| 13869 | Genus | Alienites | Kozur, 1967 | Eunicida Incertae Familiae | | |
| 13975 | Species | Alienites cuneatus | Kozur, 1967 | Alienites | | |
| 13976 | Species | Alienites longidentatus | Kozur, 1967 | Alienites | | |
| 15433 | Genus | Andiprion | Hints, Tonarova et Eriksson, 2017 | Eunicida | Dapingian | Dapingian |
| 15434 | Species | Andiprion paxtonae | Hints, Tonarova et Eriksson, 2017 | Andiprion | Dapingian | Dapingian |
| 13870 | Genus | Anisocerasites | Eller, 1955 | Eunicida Incertae Familiae | | |
| 13977 | Species | Anisocerasites acanthophorus | Eller, 1955 | Anisocerasites | | |
| 13978 | Species | Anisocerasites acicularis | Eller, 1955 | Anisocerasites | | |
| 13979 | Species | Anisocerasites aciedentatus | Eller, 1955 | Anisocerasites | | |
| 13980 | Species | Anisocerasites amplimarginatus | Eller, 1955 | Anisocerasites | | |
| 13981 | Species | Anisocerasites aspidosus | Eller, 1955 | Anisocerasites | | |
| 13982 | Species | Anisocerasites caudacallus | Eller, 1961 | Anisocerasites | | |
| 13983 | Species | Anisocerasites conjunctus | Eller, 1961 | Anisocerasites | | |
| 13984 | Species | Anisocerasites convexus | Eller, 1961 | Anisocerasites | | |
| 13985 | Species | Anisocerasites cultidaclylus | Eller, 1961 | Anisocerasites | | |
| 13986 | Species | Anisocerasites feroculus | Eller, 1964 | Anisocerasites | | |
| 13987 | Species | Anisocerasites gigas | Eller, 1964 | Anisocerasites | | |
| 13988 | Species | Anisocerasites globosus | Eller, 1964 | Anisocerasites | | |
| 13989 | Species | Anisocerasites guttulatus | Taugourdeau, 1970 | Anisocerasites | | |
| 13990 | Species | Anisocerasites insignis | Eller, 1964 | Anisocerasites | | |
| 13991 | Species | Anisocerasites longidactylus | Eller, 1964 | Anisocerasites | | |
| 13992 | Species | Anisocerasites regularis | Taugourdeau, 1970 | Anisocerasites | | |
| 13993 | Species | Anisocerasites tanaodus | Eller, 1938 | Anisocerasites | | |
| 13994 | Species | Anisocerasites triangularis | Taugourdeau, 1970 | Anisocerasites | | |
| 13995 | Species | Anisocerasites validus | Eller, 1938 | Anisocerasites | | |
| 13871 | Genus | Arabellites | Hinde, 1879 | Eunicida Incertae Familiae | | |
| 14086 | Species | Arabellites acerbus | Stauffer, 1933 | Arabellites | | |
| 14087 | Species | Arabellites aciculatus | James, 1884 | Arabellites | | |
| 14088 | Species | Arabellites acutidentatus | Stauffer, 1933 | Arabellites | | |
| 14089 | Species | Arabellites adamsi | Stauffer, 1939 | Arabellites | | |
| 14090 | Species | Arabellites alfredensis | Eller, 1934a | Arabellites | | |
| 14091 | Species | Arabellites americanus | Jansonius & Craig, 1971 | Arabellites | | |
| 14092 | Species | Arabellites anatinus | Stauffer, 1939 | Arabellites | | |
| 14093 | Species | Arabellites anglicus | Hinde, 1880 | Arabellites | | |
| 14094 | Species | Arabellites angustidens | Zebera, 1935 | Arabellites | | |
| 14096 | Species | Arabellites arcuatus | Hinde, 1882 | Arabellites | | |
| 14098 | Species | Arabellites armillaris | Stauffer, 1933 | Arabellites | | |
| 14099 | Species | Arabellites arrectus | Eller, 1955 | Arabellites | | |
| 14100 | Species | Arabellites ascialis | Hinde, 1879 | Arabellites | | |
| 14101 | Species | Arabellites ausablensis | Stauffer, 1939 | Arabellites | | |
| 14103 | Species | Arabellites bipennis | Eller, 1934a | Arabellites | | |
| 14104 | Species | Arabellites brevidentatus | Stauffer, 1933 | Arabellites | | |
| 14105 | Species | Arabellites cervicornis | Hinde, 1879 | Arabellites | | |
| 14106 | Species | Arabellites clarkei | Eller, 1934b | Arabellites | | |
| 14108 | Species | Arabellites comis | Eller, 1938 | Arabellites | | |
| 14109 | Species | Arabellites commendabilis | Eller, 1961 | Arabellites | | |
| 14111 | Species | Arabellites concinnus | Hinde, 1882 | Arabellites | | |
| 14112 | Species | Arabellites conspicuus | Eller, 1961 | Arabellites | | |
| 14113 | Species | Arabellites contractus | Hinde, 1880 | Arabellites | | |
| 14114 | Species | Arabellites contritus | Stauffer, 1933 | Arabellites | | |
| 14116 | Species | Arabellites cornutus | Hinde, 1879 | Arabellites | | |
| 14117 | Species | Arabellites crenulatus | Hinde, 1879 | Arabellites | | |
| 14118 | Species | Arabellites crescentus | Cleland, 1911 | Arabellites | | |
| 14119 | Species | Arabellites cristatus | Hinde, 1879 | Arabellites | | |
| 14120 | Species | Arabellites cultriformis | Stauffer, 1939 | Arabellites | | |
| 14121 | Species | Arabellites cushingi | Stauffer, 1940 | Arabellites | | |
| 14122 | Species | Arabellites cuspidatus | Hinde, 1879 | Arabellites | | |
| 14123 | Species | Arabellites dauphinensis | Stauffer, 1939 | Arabellites | | |
| 14124 | Species | Arabellites demissicius | Eller, 1963a | Arabellites | | |
| 14125 | Species | Arabellites digonus | Stauffer, 1933 | Arabellites | | |
| 14126 | Species | Arabellites divaricatus | Eller, 1963a | Arabellites | | |
| 14128 | Species | Arabellites duplicostatus | Eller, 1963a | Arabellites | | |
| 14129 | Species | Arabellites eccentricus | Stauffer, 1933 | Arabellites | | |
| 14130 | Species | Arabellites exiguus | Stauffer, 1933 | Arabellites | | |
| 14131 | Species | Arabellites extensus | Hinde, 1880 | Arabellites | | |
| 13996 | Species | Arabellites falcatus | Seidel, 1959 | Arabellites | | |
| 13997 | Species | Arabellites falciformis | Stauffer, 1939 | Arabellites | | |
| 13998 | Species | Arabellites fastigiatus | Hinde, 1882 | Arabellites | | |
| 13999 | Species | Arabellites ferox | Hinde, 1882 | Arabellites | | |
| 14000 | Species | Arabellites germanicus | Jansonius & Craig, 1971 | Arabellites | | |
| 14001 | Species | Arabellites gibbosus | Hinde, 1879 | Arabellites | | |
| 14002 | Species | Arabellites giganteus | Stauffer, 1933 | Arabellites | | |
| 14003 | Species | Arabellites goniocercus | Eller, 1964 | Arabellites | | |
| 14004 | Species | Arabellites gregalis | Stauffer, 1933 | Arabellites | | |
| 14005 | Species | Arabellites hamatus | Hinde, 1879 | Arabellites | | |
| 14006 | Species | Arabellites hamiltonensis | Stauffer, 1939 | Arabellites | | |
| 14007 | Species | Arabellites hindei | James, 1884 | Arabellites | | |
| 14008 | Species | Arabellites ignotus | Stauffer, 1933 | Arabellites | | |
| 14009 | Species | Arabellites innaequidens | Zebera, 1935 | Arabellites | | |
| 14010 | Species | Arabellites inusitatus | Eller, 1967a | Arabellites | | |
| 14011 | Species | Arabellites jubatus | Stauffer, 1939 | Arabellites | | |
| 14012 | Species | Arabellites kettneri | Zebera, 1935 | Arabellites | | |
| 14013 | Species | Arabellites laeodemissicius | Jansonius & Craig, 1971 | Arabellites | | |
| 14014 | Species | Arabellites latus | Eller, 1934a | Arabellites | | |
| 14015 | Species | Arabellites lautus | Stauffer, 1939 | Arabellites | | |
| 14016 | Species | Arabellites longiformis | Eller, 1934b | Arabellites | | |
| 14017 | Species | Arabellites lunatus | Hinde, 1879 | Arabellites | | |
| 14019 | Species | Arabellites magnificus | Stauffer, 1939 | Arabellites | | |
| 14020 | Species | Arabellites magnisulcatus | Stauffer, 1939 | Arabellites | | |
| 14021 | Species | Arabellites marcellusensis | Eller, 1934b | Arabellites | | |
| 14022 | Species | Arabellites milleri | Stauffer, 1940 | Arabellites | | |
| 14023 | Species | Arabellites minutus | Stauffer, 1933 | Arabellites | | |
| 14024 | Species | Arabellites minutus (sic) | Stauffer, 1939 | Arabellites | | |
| 14025 | Species | Arabellites modestus | Stauffer, 1933 | Arabellites | | |
| 14026 | Species | Arabellites modestus (sic) | Stauffer, 1939 | Arabellites | | |
| 14027 | Species | Arabellites neoperpensus | Tasch & Stude, 1966 | Arabellites | | |
| 14028 | Species | Arabellites oblatus | Stauffer, 1939 | Arabellites | | |
| 14031 | Species | Arabellites obtusus | Hinde, 1880 | Arabellites | | |
| 14032 | Species | Arabellites ovalis | Hinde, 1879 | Arabellites | | |
| 14033 | Species | Arabellites oviformis | Eller, 1940 | Arabellites | | |
| 14034 | Species | Arabellites pectinatus | Hinde, 1879 | Arabellites | | |
| 14035 | Species | Arabellites pectinellus | Stauffer, 1939 | Arabellites | | |
| 14036 | Species | Arabellites perneri | Zebera, 1935 | Arabellites | | |
| 14037 | Species | Arabellites perpensus | Eller, 1942 | Arabellites | | |
| 14038 | Species | Arabellites plenidens | Eller, 1940 | Arabellites | | |
| 14039 | Species | Arabellites plesiocomis | Tasch & Stude, 1966 | Arabellites | | |
| 14040 | Species | Arabellites politus | Hinde, 1879 | Arabellites | | |
| 14041 | Species | Arabellites priscus | Stauffer, 1933 | Arabellites | | |
| 14042 | Species | Arabellites priscus (sic) | Stauffer, 1939 | Arabellites | | |
| 14043 | Species | Arabellites procursus | Foerste, 1888 | Arabellites | | |
| 14044 | Species | Arabellites productus | Stauffer, 1939 | Arabellites | | |
| 14045 | Species | Arabellites prosseri | Stauffer, 1940 | Arabellites | | |
| 14046 | Species | Arabellites quadratus | Hinde, 1879 | Arabellites | | |
| 14047 | Species | Arabellites rectidens | Eller, 1940 | Arabellites | | |
| 14048 | Species | Arabellites rectus | Hinde, 1879 | Arabellites | | |
| 14052 | Species | Arabellites scoticus | Hinde, 1879 | Arabellites | | |
| 14053 | Species | Arabellites scutellatus | Hinde, 1879 | Arabellites | | |
| 14054 | Species | Arabellites seidelae | Jansonius & Craig, 1971 | Arabellites | | |
| 14055 | Species | Arabellites similis | Hinde, 1879 | Arabellites | | |
| 14056 | Species | Arabellites similis var. arcuatus | Hinde, 1879 | Arabellites | | |
| 14057 | Species | Arabellites sinuatus | Walliser, 1960 | Arabellites | | |
| 14058 | Species | Arabellites southworthi | Stauffer, 1940 | Arabellites | | |
| 14059 | Species | Arabellites spatiosioris | Eller, 1934a | Arabellites | | |
| 14060 | Species | Arabellites spicatus | Hinde, 1880 | Arabellites | | |
| 14061 | Species | Arabellites spicatus contractus | Hinde, 1880 | Arabellites spicatus | | |
| 14062 | Species | Arabellites spinosus | Stauffer, 1939 | Arabellites | | |
| 14064 | Species | Arabellites tantus | Stauffer, 1933 | Arabellites | | |
| 14065 | Species | Arabellites tenuidentatus | Stauffer, 1933 | Arabellites | | |
| 14066 | Species | Arabellites tumidus | Stauffer, 1933 | Arabellites | | |
| 14067 | Species | Arabellites uncinatus | Hinde, 1882 | Arabellites | | |
| 14068 | Species | Arabellites wiefeli | Kozur, 1967 | Arabellites | | |
| 14951 | Species | Arabellites? angustus | Hinde, 1882 | Arabellites | | |
| 14102 | Species | Arabellites? biconvexus | Seidel, 1959 | Arabellites | | |
| 14107 | Species | Arabellites? claytonae | Eller, 1945 | Arabellites | | |
| 14110 | Species | Arabellites? compressus | Seidel, 1959 | Arabellites | | |
| 14115 | Species | Arabellites? conus | Eller, 1938 | Arabellites | | |
| 14127 | Species | Arabellites? doutti | Eller, 1945 | Arabellites | | |
| 14018 | Species | Arabellites? magnidentatus | Seidel, 1959 | Arabellites | | |
| 14029 | Species | Arabellites? obliquus | Hinde, 1879 | Arabellites | | |
| 14030 | Species | Arabellites? oblongus | Seidel, 1959 | Arabellites | | |
| 14049 | Species | Arabellites? robustus | Eller, 1934b | Arabellites | | |
| 14063 | Species | Arabellites? spinosus | Seidel, 1959 | Arabellites | | |
| 13872 | Genus | Arites | Kozur, 1967 | Eunicida Incertae Familiae | | |
| 14069 | Species | Arites keperinianus | Kozur, 1967 | Arites | | |
| 15046 | Species | Arites sibiricus | Zaslavskaya, 1989 | Arites | Triassic | Triassic |
| 14070 | Species | Arites vulgaris | Kozur, 1967 | Arites | | |
| 1104 | Genus | Atraktoprion | Kielan-Jaworowska, 1962 | Atraktoprionidae | | |
| 2152 | Species | Atraktoprion cornutus | Kielan-Jaworowska, 1962 | Atraktoprion | | |
| 14072 | Species | Atraktoprion eudoxus | Szaniawski, 1968 | Atraktoprion | | |
| 2153 | Species | Atraktoprion major | Kielan-Jaworowska, 1966 | Atraktoprion | | |
| 2154 | Species | Atraktoprion mirabilis | Kielan-Jaworowska, 1966 | Atraktoprion | | |
| 14075 | Species | Atraktoprion robustus | Kielan-Jaworowska, 1966 | Atraktoprion | | |
| 13874 | Genus | Basogenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14943 | Species | Basogenys castigata | Eller, 1945 | Basogenys | | |
| 13875 | Genus | Belegenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14076 | Species | Belegenys geisacantha | Eller, 1945 | Belegenys | | |
| 13876 | Genus | Cheiridogenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14077 | Species | Cheiridogenys borealis | Jansonius & Craig, 1971 | Cheiridogenys | | |
| 13877 | Genus | Colpogenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14078 | Species | Colpogenys kopfii | Eller, 1945 | Colpogenys | | |
| 1089 | Genus | Conjungaspis | Hints, 1999 | Conjungaspidae | Ordovician | Ordovician |
| 2112 | Species | Conjungaspis minutus | Hints, 1999 | Conjungaspis | Ordovician | Silurian |
| 13878 | Genus | Cornugenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14079 | Species | Cornugenys decora | Eller, 1963a | Cornugenys | | |
| 13879 | Genus | Croneisigenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14080 | Species | Croneisigenys beckeri | Walliser, 1960 | Croneisigenys | | |
| 13880 | Genus | Delosites | Kozur, 1967 | Eunicida Incertae Familiae | | |
| 14081 | Species | Delosites falcatus | Seidel, 1959 | Delosites | | |
| 14082 | Species | Delosites raridentatus | Kozur, 1967 | Delosites | | |
| 13881 | Genus | Dentinella | Lochman, 1966 | Eunicida Incertae Familiae | | |
| 14083 | Species | Dentinella primaeva | Lochman, 1966 | Dentinella | | |
| 13882 | Genus | Dinoscolites | Stauffer, 1933 | Eunicida Incertae Familiae | | |
| 14084 | Species | Dinoscolites mirabilis | Stauffer, 1933 | Dinoscolites | | |
| 13883 | Genus | Diopatraites | Eller, 1938 | Eunicida Incertae Familiae | | |
| 14085 | Species | Diopatraites abruptus | Eller, 1955 | Diopatraites | | |
| 14132 | Species | Diopatraites accomodus | Eller, 1955 | Diopatraites | | |
| 14133 | Species | Diopatraites aequilateratus | Eller, 1955 | Diopatraites | | |
| 14134 | Species | Diopatraites alveatus | Eller, 1955 | Diopatraites | | |
| 14135 | Species | Diopatraites arcostriatus | Eller, 1955 | Diopatraites | | |
| 14136 | Species | Diopatraites asper | Eller, 1955 | Diopatraites | | |
| 14137 | Species | Diopatraites aversus | Eller, 1955 | Diopatraites | | |
| 14138 | Species | Diopatraites conformis | Eller, 1938 | Diopatraites | | |
| 14139 | Species | Diopatraites connexus | Eller, 1961 | Diopatraites | | |
| 14140 | Species | Diopatraites corrugatus | Eller, 1961 | Diopatraites | | |
| 14141 | Species | Diopatraites cultellus | Eller, 1961 | Diopatraites | | |
| 14142 | Species | Diopatraites deplexus | Eller, 1946 | Diopatraites | | |
| 14143 | Species | Diopatraites dichotomus | Eller, 1963a | Diopatraites | | |
| 14144 | Species | Diopatraites digonus | Eller, 1963a | Diopatraites | | |
| 14145 | Species | Diopatraites fustis | Eller, 1942 | Diopatraites | | |
| 14146 | Species | Diopatraites iscyphus | Eller, 1964 | Diopatraites | | |
| 14147 | Species | Diopatraites liratus | Eller, 1964 | Diopatraites | | |
| 14148 | Species | Diopatraites sulcatus | Stauffer, 1939 | Diopatraites | | |
| 14149 | Species | Diopatraites tricuspis | Eller, 1945 | Diopatraites | | |
| 13884 | Genus | Drilonereisites | Eller, 1964 | Eunicida Incertae Familiae | | |
| 14150 | Species | Drilonereisites gracillimus | Eller, 1964 | Drilonereisites | | |
| 14151 | Species | Drilonereisites longicusculus | Eller, 1964 | Drilonereisites | | |
| 14153 | Species | Drilonereisites paucidentatus calciculus | Taugourdeau, 1968 | Drilonereisites | | |
| 14154 | Species | Drilonereisites paucidentatus inermis | Taugourdeau, 1968 | Drilonereisites | | |
| 14155 | Species | Drilonereisites paucidentatus microdentatus | Taugourdeau, 1968 | Drilonereisites | | |
| 14156 | Species | Drilonereisites paucidentatus paucidentatus | Taugourdeau, 1968 | Drilonereisites | | |
| 14152 | Species | Drilonereisites? mediodentatus | Taugourdeau, 1968 | Drilonereisites | | |
| 14157 | Species | Drilonereisites? triangularis | Taugourdeau, 1968 | Drilonereisites | | |
| 13969 | Genus | Dubichaetaspis | Eriksson, 1998 | Polychaetaspidae | | |
| 14980 | Species | Dubichaetaspis bergmani | Eriksson, 1998 | Dubichaetaspis | | |
| 13885 | Genus | Ebetallites | Zebera, 1935 | Eunicida Incertae Familiae | | |
| 14158 | Species | Ebetallites ancoraeformis | Zebera, 1935 | Ebetallites | | |
| 13886 | Genus | Eldoradites | Tasch & Stude, 1966 | Eunicida Incertae Familiae | | |
| 14159 | Species | Eldoradites augustianus | Tasch & Stude, 1966 | Eldoradites | | |
| 14160 | Species | Eldoradites triangularis | Tasch & Stude, 1966 | Eldoradites | | |
| 13887 | Genus | Elleriprion | Kozur, 1970 | Eunicida Incertae Familiae | | |
| 14161 | Species | Elleriprion comis | Eller, 1938 | Elleriprion | | |
| 14162 | Species | Elleriprion demisiccius | Eller, 1963a | Elleriprion | | |
| 18189 | Species | Elleriprion kozuri | Zawidzka, 1975 | Elleriprion | Triassic | Triassic |
| 1087 | Genus | Estonioprion | Hints, 1998 | Atraktoprionidae | | |
| 2110 | Species | Estonioprion maennili | Hints, 1998 | Estonioprion | Haljala Stage | Keila Stage |
| 13888 | Genus | Eunicites | Ehlers, 1868a | Eunicida Incertae Familiae | | |
| 14163 | Species | Eunicites absonus | Eller, 1955 | Eunicites | | |
| 14164 | Species | Eunicites acicularis | Taugourdeau, 1970 | Eunicites | | |
| 14165 | Species | Eunicites acidaspis | Eller, 1955 | Eunicites | | |
| 14166 | Species | Eunicites acidus | Eller, 1955 | Eunicites | | |
| 14167 | Species | Eunicites acinaciformis | Eller, 1955 | Eunicites | | |
| 14168 | Species | Eunicites acis | Eller, 1945 | Eunicites | | |
| 14169 | Species | Eunicites aculeus | Eller, 1945 | Eunicites | | |
| 14170 | Species | Eunicites acuminatus | Eller, 1934b | Eunicites | | |
| 14171 | Species | Eunicites acus | Eller, 1945 | Eunicites | | |
| 14172 | Species | Eunicites acutirostris | Eller, 1955 | Eunicites | | |
| 14173 | Species | Eunicites acutulus | Eller, 1955 | Eunicites | | |
| 14174 | Species | Eunicites admirandus | Eller, 1955 | Eunicites | | |
| 14175 | Species | Eunicites affinis | Hinde, 1879 | Eunicites | | |
| 14986 | Species | Eunicites ala | Öpik, 1927 | Eunicites | Kukruse Stage | Kukruse Stage |
| 14177 | Species | Eunicites altidorsalis | Eller, 1955 | Eunicites | | |
| 14178 | Species | Eunicites altinsculus | Eller, 1955 | Eunicites | | |
| 14179 | Species | Eunicites alveolaris | Eller, 1955 | Eunicites | | |
| 14181 | Species | Eunicites ambocoelius | Eller, 1955 | Eunicites | | |
| 14182 | Species | Eunicites anchoralis | Eller, 1934a | Eunicites | | |
| 14183 | Species | Eunicites angulatus | Eller, 1938 | Eunicites | | |
| 14184 | Species | Eunicites anquisitus | Eller, 1955 | Eunicites | | |
| 14185 | Species | Eunicites ansatus | Eller, 1945 | Eunicites | | |
| 14186 | Species | Eunicites apicalis | Eller, 1955 | Eunicites | | |
| 14187 | Species | Eunicites apiculatus | Eller, 1955 | Eunicites | | |
| 14188 | Species | Eunicites apidosus | Eller, 1955 | Eunicites | | |
| 14189 | Species | Eunicites articulosus | Eller, 1955 | Eunicites | | |
| 14190 | Species | Eunicites asaphus | Eller, 1955 | Eunicites | | |
| 14191 | Species | Eunicites atavus | Ehlers, 1868b | Eunicites | | |
| 14192 | Species | Eunicites avitus | Ehlers, 1868a | Eunicites | | |
| 14193 | Species | Eunicites axinus | Eller, 1955 | Eunicites | | |
| 14194 | Species | Eunicites barbaricus | Eller, 1945 | Eunicites | | |
| 14985 | Species | Eunicites bekkeri | Öpik, 1927 | Eunicites | Kukruse Stage | Kukruse Stage |
| 14195 | Species | Eunicites capax | Eller, 1961 | Eunicites | | |
| 14196 | Species | Eunicites capricornus | Seidel, 1959 | Eunicites | | |
| 14197 | Species | Eunicites catastomus | Eller, 1961 | Eunicites | | |
| 14198 | Species | Eunicites caulis | Eller, 1934a | Eunicites | | |
| 14199 | Species | Eunicites cavus | Eller, 1945 | Eunicites | | |
| 14200 | Species | Eunicites chiromorphus | Hinde, 1879 | Eunicites | | |
| 14202 | Species | Eunicites clarus | Eller, 1961 | Eunicites | | |
| 14203 | Species | Eunicites clintonensis | Hinde, 1879 | Eunicites | | |
| 14204 | Species | Eunicites colussus | Eller, 1945 | Eunicites | | |
| 14205 | Species | Eunicites compressus | Eller, 1945 | Eunicites | | |
| 14206 | Species | Eunicites confinis | Foerste, 1888 | Eunicites | | |
| 14207 | Species | Eunicites confirmatus | Eller, 1961 | Eunicites | | |
| 14208 | Species | Eunicites conicus | Eller, 1961 | Eunicites | | |
| 14209 | Species | Eunicites conjectus | Eller, 1945 | Eunicites | | |
| 14210 | Species | Eunicites conoideus | Eller, 1961 | Eunicites | | |
| 14211 | Species | Eunicites consimilis | Eller, 1961 | Eunicites | | |
| 14212 | Species | Eunicites contortus | Hinde, 1879 | Eunicites | | |
| 14213 | Species | Eunicites conus | Eller, 1938 | Eunicites | | |
| 14214 | Species | Eunicites cornuformis | Eller, 1938 | Eunicites | | |
| 14215 | Species | Eunicites coronatus | Hinde, 1879 | Eunicites | | |
| 14217 | Species | Eunicites curtus | Hinde, 1880 | Eunicites | | |
| 14219 | Species | Eunicites dentatus | Ehlers, 1868b | Eunicites | | |
| 14220 | Species | Eunicites denticulatus | Eller, 1942 | Eunicites | | |
| 14221 | Species | Eunicites dextriseamani | Jansonius et Craig, 1970 | Eunicites | | |
| 14223 | Species | Eunicites divergens | Eller, 1938 | Eunicites | | |
| 14224 | Species | Eunicites effusus | Eller, 1963b | Eunicites | | |
| 14225 | Species | Eunicites euconus | Eller, 1963b | Eunicites | | |
| 14226 | Species | Eunicites eximius | Stauffer, 1933 | Eunicites | | |
| 14227 | Species | Eunicites extensus | Eller, 1963b | Eunicites | | |
| 14228 | Species | Eunicites falcatus | Foerste, 1888 | Eunicites | | |
| 14229 | Species | Eunicites fimbriatus | Eller, 1964 | Eunicites | | |
| 14230 | Species | Eunicites florealis | Eller, 1964 | Eunicites | | |
| 14231 | Species | Eunicites gazolae | Massalongo, 1855 | Eunicites | | |
| 14232 | Species | Eunicites geisacanthus | Eller, 1945 | Eunicites | | |
| 14233 | Species | Eunicites gracilis | Hinde, 1879 | Eunicites | | |
| 14234 | Species | Eunicites grandis | Stauffer, 1939 | Eunicites | | |
| 14235 | Species | Eunicites gravieri | Patte, 1921 | Eunicites | | |
| 14236 | Species | Eunicites hebes | Hinde, 1882 | Eunicites | | |
| 14237 | Species | Eunicites heerii | Massalongo, 1855 | Eunicites | | |
| 14238 | Species | Eunicites hemicyclus | Eller, 1964 | Eunicites | | |
| 14240 | Species | Eunicites jani | Massalongo, 1855 | Eunicites | | |
| 14241 | Species | Eunicites kirkfieldensis | Eller, 1945 | Eunicites | | |
| 14242 | Species | Eunicites lanceolatus | Eller, 1964 | Eunicites | | |
| 14243 | Species | Eunicites limbatus | Eller, 1964 | Eunicites | | |
| 14244 | Species | Eunicites major | Hinde, 1879 | Eunicites | | |
| 14987 | Species | Eunicites maximus | Metzger, 1922 | Eunicites | | |
| 14245 | Species | Eunicites mutabilis | Eller, 1934a | Eunicites | | |
| 14246 | Species | Eunicites nanus | Hinde, 1879 | Eunicites | | |
| 14247 | Species | Eunicites obtusus | Taugourdeau, 1968 | Eunicites | | |
| 14248 | Species | Eunicites palmatus | Hinde, 1879 | Eunicites | | |
| 14249 | Species | Eunicites paranaensis | Lange, 1947 | Eunicites | | |
| 14250 | Species | Eunicites paululus | Foerste, 1888 | Eunicites | | |
| 14251 | Species | Eunicites perdentatus | Hinde, 1879 | Eunicites | | |
| 14252 | Species | Eunicites perplanus | Stauffer, 1939 | Eunicites | | |
| 14253 | Species | Eunicites petasus | Eller, 1940 | Eunicites | | |
| 14254 | Species | Eunicites placidus | Stauffer, 1939 | Eunicites | | |
| 14255 | Species | Eunicites plackae | Eller, 1945 | Eunicites | | |
| 14256 | Species | Eunicites planoconvexus | Eller, 1945 | Eunicites | | |
| 14257 | Species | Eunicites proavus | Germar, ???? | Eunicites | | |
| 14258 | Species | Eunicites purus | Eller, 1942 | Eunicites | | |
| 14259 | Species | Eunicites pusillus | Hinde, 1882 | Eunicites | | |
| 14260 | Species | Eunicites reidiae | Hinde, 1896 | Eunicites | | |
| 14261 | Species | Eunicites scolatus | Sylvester, 1959 | Eunicites | | |
| 14262 | Species | Eunicites seamani | Eller, 1941b | Eunicites | | |
| 14263 | Species | Eunicites serratus | Stauffer, 1939 | Eunicites | | |
| 14264 | Species | Eunicites serrula | Hinde, 1880 | Eunicites | | |
| 14265 | Species | Eunicites simplex | Hinde, 1879 | Eunicites | | |
| 14267 | Species | Eunicites sweadneri | Eller, 1945 | Eunicites | | |
| 14268 | Species | Eunicites tanaodus | Eller, 1938 | Eunicites | | |
| 14269 | Species | Eunicites toddi | Eller, 1945 | Eunicites | | |
| 14270 | Species | Eunicites tolmachoffi | Eller, 1945 | Eunicites | | |
| 14272 | Species | Eunicites triasicus | Gall & Grauvogel, 1967 | Eunicites | | |
| 14273 | Species | Eunicites tumidus | Hinde, 1879 | Eunicites | | |
| 14274 | Species | Eunicites turgidus | Eller, 1941b | Eunicites | | |
| 14275 | Species | Eunicites twomeyi | Eller, 1945 | Eunicites | | |
| 14276 | Species | Eunicites unguiculus | Hinde, 1880 | Eunicites | | |
| 14277 | Species | Eunicites validus | Eller, 1938 | Eunicites | | |
| 14278 | Species | Eunicites varians | Grinnell, 1877 | Eunicites | | |
| 14279 | Species | Eunicites vertex | Eller, 1940 | Eunicites | | |
| 14280 | Species | Eunicites whiteae | Eller, 1945 | Eunicites | | |
| 14176 | Species | Eunicites? alienus | Eller, 1955 | Eunicites | | |
| 14180 | Species | Eunicites? alveolatus | Hinde, 1879 | Eunicites | | |
| 14216 | Species | Eunicites? cuneus | Taugourdeau, 1968 | Eunicites | | |
| 14218 | Species | Eunicites? delicatulus | Stauffer, 1939 | Eunicites | | |
| 14222 | Species | Eunicites? digitatus | Hinde, 1879 | Eunicites | | |
| 14239 | Species | Eunicites? index | Eller, 1944 | Eunicites | | |
| 14266 | Species | Eunicites? sublamellosus | Stauffer, 1939 | Eunicites | | |
| 14271 | Species | Eunicites? triangularis | Taugourdeau, 1968 | Eunicites | | |
| 1101 | Genus | Euryprion | Kielan-Jaworowska, 1966 | Kalloprionidae | | |
| 2361 | Species | Euryprion rarus | Kielan-Jaworowska, 1966 | Euryprion | | |
| 13890 | Genus | Falkosites | Kozur, 1970 | Eunicida Incertae Familiae | | |
| 14283 | Species | Falkosites alfredensis | Eller, 1934a | Falkosites | | |
| 13891 | Genus | Glycerites | Hinde, 1879 | Eunicida Incertae Familiae | | |
| 14284 | Species | Glycerites calceolus | Hinde, 1879 | Glycerites | | |
| 14285 | Species | Glycerites devonicus | Stauffer, 1939 | Glycerites | | |
| 14286 | Species | Glycerites sulcatus | Hinde, 1879 | Glycerites | | |
| 14287 | Species | Glycerites sulcatus var. excavatus | Hinde, 1879 | Glycerites | | |
| 1168 | Genus | Gotlandites | Bergman, 1987 | Paulinitidae | | |
| 3674 | Species | Gotlandites slitensis | Bergman, 1987 | Gotlandites | Wenlock | Wenlock |
| 1198 | Genus | Hadoprion | Eriksson et Bergman, 1998 | Hadoprionidae | | |
| 2382 | Species | Hadoprion cervicornis | (Hinde, 1879) | Hadoprion | | |
| 1165 | Genus | Hindenites | Bergman, 1987 | Paulinitidae | Silurian | Devonian |
| 2357 | Species | Hindenites angustus | (Hinde, 1882) | Hindenites | Wenlock | Wenlock |
| 14947 | Species | Hindenites gladiatus | (Kielan-Jaworowska, 1966) | Hindenites | | |
| 14948 | Species | Hindenites naerensis | Bergman, 1987 | Hindenites | | |
| 13892 | Genus | Homaphrodite | Gall et Grauvogel, 1967 | Eunicida Incertae Familiae | | |
| 14288 | Species | Homaphrodite speciosa | Gall & Grauvogel, 1967 | Homaphrodite | | |
| 13893 | Genus | Hyalinaecites | Stauffer, 1933 | Eunicida Incertae Familiae | | |
| 14289 | Species | Hyalinaecites aequidentatus | Stauffer, 1933 | Hyalinaecites | | |
| 14290 | Species | Hyalinaecites aureatus | Stauffer, 1933 | Hyalinaecites | | |
| 14291 | Species | Hyalinaecites delectus | Stauffer, 1933 | Hyalinaecites | | |
| 14292 | Species | Hyalinaecites parvus | Stauffer, 1933 | Hyalinaecites | | |
| 14293 | Species | Hyalinaecites plenus | Stauffer, 1933 | Hyalinaecites | | |
| 14294 | Species | Hyalinaecites subsulatus | Stauffer, 1933 | Hyalinaecites | | |
| 14295 | Species | Hyalinaecites typicalis | Stauffer, 1933 | Hyalinaecites | | |
| 13894 | Genus | Ildraites | Eller, 1936 | Eunicida Incertae Familiae | | |
| 14296 | Species | Ildraites anatinus | Stauffer, 1939 | Ildraites | | |
| 14297 | Species | Ildraites anomalus | Eller, 1941b | Ildraites | | |
| 14298 | Species | Ildraites appressus | Eller, 1955 | Ildraites | | |
| 14299 | Species | Ildraites beckeri | Walliser, 1960 | Ildraites | | |
| 14300 | Species | Ildraites bifurcatus | Tasch & Stude, 1966 | Ildraites | | |
| 14301 | Species | Ildraites bipennis | Eller, 1934a | Ildraites | | |
| 14302 | Species | Ildraites bowenensis | Eller, 1941b | Ildraites | | |
| 14304 | Species | Ildraites camurus | Eller, 1945 | Ildraites | | |
| 14973 | Species | Ildraites cervicornis | Hinde, 1879 | Ildraites | | |
| 14305 | Species | Ildraites compactus | Kozur, 1967 | Ildraites | | |
| 14306 | Species | Ildraites cyclus | Eller, 1969 | Ildraites | | |
| 14307 | Species | Ildraites dauphinensis | Stauffer, 1939 | Ildraites | | |
| 14308 | Species | Ildraites decorus | Eller, 1963a | Ildraites | | |
| 14309 | Species | Ildraites demarchus | Eller, 1963a | Ildraites | | |
| 14310 | Species | Ildraites dentalousis | Tasch & Stude, 1966 | Ildraites | | |
| 14311 | Species | Ildraites duplex | Eller, 1940 | Ildraites | | |
| 14312 | Species | Ildraites eldoradus | Tasch & Stude, 1966 | Ildraites | | |
| 14313 | Species | Ildraites eminulus | Eller, 1963b | Ildraites | | |
| 14314 | Species | Ildraites exquisitus | Eller, 1942 | Ildraites | | |
| 14315 | Species | Ildraites florencus | Tasch & Stude, 1966 | Ildraites | | |
| 14316 | Species | Ildraites fritzae | Eller, 1942 | Ildraites | | |
| 14317 | Species | Ildraites fuehreri | Eller, 1945 | Ildraites | | |
| 14318 | Species | Ildraites gallica | Taugourdeau, 1970 | Ildraites | | |
| 14319 | Species | Ildraites geminus | Eller, 1940 | Ildraites | | |
| 14320 | Species | Ildraites hamatus | Kozur, 1967 | Ildraites | | |
| 14321 | Species | Ildraites horridus | Eller, 1940 | Ildraites | | |
| 14322 | Species | Ildraites howelli | Eller, 1941b | Ildraites | | |
| 14323 | Species | Ildraites incrediblis | Eller, 1964 | Ildraites | | |
| 14324 | Species | Ildraites infractus | Eller, 1969 | Ildraites | | |
| 14325 | Species | Ildraites insignis | Eller, 1964 | Ildraites | | |
| 14327 | Species | Ildraites invalidus | Eller, 1964 | Ildraites | | |
| 14328 | Species | Ildraites jubatus | Stauffer, 1939 | Ildraites | | |
| 14329 | Species | Ildraites laeohorridus | Jansonius & Craig, 1971 | Ildraites | | |
| 14330 | Species | Ildraites limatus | Eller, 1969 | Ildraites | | |
| 14331 | Species | Ildraites longiramus | Kozur, 1967 | Ildraites | | |
| 14332 | Species | Ildraites oblongus | Taugourdeau, 1970 | Ildraites | | |
| 14333 | Species | Ildraites patulus | Eller, 1942 | Ildraites | | |
| 14334 | Species | Ildraites peramplus | Eller, 1940 | Ildraites | | |
| 14335 | Species | Ildraites pooseri | Eller, 1969 | Ildraites | | |
| 14336 | Species | Ildraites pseoudobifurcatus | Tasch & Stude, 1966 | Ildraites | | |
| 14337 | Species | Ildraites rarus | Eller, 1945 | Ildraites | | |
| 14338 | Species | Ildraites serratus | Kozur, 1967 | Ildraites | | |
| 14339 | Species | Ildraites spiculatus | Tasch & Stude, 1966 | Ildraites | | |
| 14341 | Species | Ildraites undulatus | Tasch & Stude, 1966 | Ildraites | | |
| 14342 | Species | Ildraites unelli | Taugourdeau, 1967 | Ildraites | | |
| 14343 | Species | Ildraites unexpectatus | Eller, 1964 | Ildraites | | |
| 14303 | Species | Ildraites? budnanensis | Snajdr, 1951 | Ildraites | | |
| 14326 | Species | Ildraites? insignis | Kozur, 1967 | Ildraites | | |
| 14340 | Species | Ildraites? thuringensis | Kozur, 1967 | Ildraites | | |
| 1085 | Genus | Incisiprion | Hints, 1998 | Polychaetaspidae | | |
| 2108 | Species | Incisiprion edentulus | Hints, 1998 | Incisiprion | Keila Stage | Keila Stage |
| 2123 | Species | Incisiprion incisus | (Kielan-Jaworowska, 1966) | Incisiprion | Kukruse Stage | Keila Stage |
| 1082 | Genus | Kadriorgaspis | Hints, 2006 | Conjungaspidae | | |
| 2105 | Species | Kadriorgaspis kaisae | Hints et Nõlvak, 2006 | Kadriorgaspis | Tremadocian | Tremadocian |
| 1081 | Genus | Kaljoprion | Hints, 2008 | Eunicida Incertae Familiae | Nabala Stage | Nabala Stage |
| 2104 | Species | Kaljoprion laevaensis | Hints, 2008 | Kaljoprion | Nabala Stage | Nabala Stage |
| 1099 | Genus | Kalloprion | Kielan-Jaworowska, 1962 | Kalloprionidae | | |
| 14990 | Species | Kalloprion kilmisteri | Eriksson, 2006 | Kalloprion | | |
| 14344 | Species | Kalloprion ovalis | Kielan-Jaworowska, 1962 | Kalloprion | | |
| 2149 | Species | Kalloprion sp. A | Hints, 1998 | Kalloprion | | |
| 2148 | Species | Kalloprion triangularis | Kielan-Jaworowska, 1966 | Kalloprion | | |
| 1167 | Genus | Kettnerites | Zebera, 1935 | Paulinitidae | | |
| 11186 | Species | Kettnerites abraham | Bergman, 1987 | Kettnerites | Llandovery | Wenlock |
| 11188 | Species | Kettnerites bankvaetensis | Bergman, 1987 | Kettnerites | Wenlock | Ludlow |
| 11189 | Species | Kettnerites burgensis | (Martinsson, 1960) | Kettnerites | Ludlow | Ludlow |
| 14346 | Species | Kettnerites depressus | Zebera, 1935 | Kettnerites | | |
| 11196 | Species | Kettnerites fjaelensis | Bergman, 1987 | Kettnerites | Wenlock | Ludlow |
| 11190 | Species | Kettnerites huberti | Bergman, 1987 | Kettnerites | Wenlock | Ludlow |
| 14982 | Species | Kettnerites invisibilis | Eller, 1940 | Kettnerites | | |
| 11187 | Species | Kettnerites jacobi | Bergman, 1987 | Kettnerites | Wenlock | Wenlock |
| 14348 | Species | Kettnerites kosoviensis | Zebera, 1935 | Kettnerites | | |
| 14349 | Species | Kettnerites langei | Snajdr, 1951 | Kettnerites | | |
| 11191 | Species | Kettnerites martinssonii | Bergman, 1987 | Kettnerites | Llandovery | Ludlow |
| 11194 | Species | Kettnerites microdentatus | Bergman, 1987 | Kettnerites | Llandovery | Ludlow |
| 11192 | Species | Kettnerites polonensis | (Kielan-Jaworowska, 1966) | Kettnerites | Wenlock | Ludlow |
| 11195 | Species | Kettnerites siaelsoeensis | Bergman, 1987 | Kettnerites | Llandovery | Llandovery |
| 2358 | Species | Kettnerites sisyphi | Bergman, 1987 | Kettnerites | Llandovery | Ludlow |
| 11193 | Species | Kettnerites versabilis | Bergman, 1987 | Kettnerites | Llandovery | Llandovery |
| 14347 | Species | Kettnerites? hebes | Snajdr, 1951 | Kettnerites | | |
| 14983 | Species | Kettnerites? plenidens | Eller, 1940 | Kettnerites | | |
| 13962 | Genus | Kielanaegenys | Jansonius & Craig, 1971 | Eunicida Incertae Familiae | | |
| 13510 | Genus | Kielanoprion | Szaniawski, 1968 | Kielanoprionidae | Devonian | Triassic |
| 13512 | Species | Kielanoprion elleri | Szaniawski et Wrona, 1973 | Kielanoprion | Devonian | Devonian |
| 18188 | Species | Kielanoprion longidentatus | Zawidzka, 1975 | Kielanoprion | | |
| 13511 | Species | Kielanoprion pomeranensis | Szaniawski, 1968 | Kielanoprion | Devonian | Devonian |
| 1879 | Genus | Kingnites | Eriksson, Hints et Bergman, 2012 | Paulinitidae | | |
| 3937 | Species | Kingnites diamondi | Eriksson, Hints et Bergman, 2012 | Kingnites | Wenlock | Ludlow |
| 1098 | Genus | Kozlowskiprion | Kielan-Jaworowska, 1966 | Polychaetaspidae | | |
| 2139 | Species | Kozlowskiprion brevialatus | Kielan-Jaworowska, 1966 | Kozlowskiprion | | |
| 2188 | Species | Kozlowskiprion longicavernosus | Kielan-Jaworowska, 1966 | Kozlowskiprion | | |
| 1166 | Genus | Lanceolatites | Bergman, 1987 | Paulinitidae | | |
| 2356 | Species | Lanceolatites gracilis | Bergman, 1987 | Lanceolatites | Llandovery | Ludlow |
| 1103 | Genus | Langeites | Kielan-Jaworowska, 1966 | Paulinitidae | | |
| 2355 | Species | Langeites glaber | Kielan-Jaworowska, 1966 | Langeites | | |
| 13900 | Genus | Leodicites | Eller, 1940 | Eunicida Incertae Familiae | | |
| 14354 | Species | Leodicites abbreviatus | Eller, 1955 | Leodicites | | |
| 14355 | Species | Leodicites absolutus | Eller, 1945 | Leodicites | | |
| 14356 | Species | Leodicites acclivis | Eller, 1942 | Leodicites | | |
| 14357 | Species | Leodicites agostini | Eller, 1945 | Leodicites | | |
| 14358 | Species | Leodicites alatus | Walliser, 1960 | Leodicites | | |
| 14359 | Species | Leodicites altilis | Eller, 1955 | Leodicites | | |
| 14360 | Species | Leodicites ambiguus | Eller, 1955 | Leodicites | | |
| 14361 | Species | Leodicites amplicameratus | Eller, 1955 | Leodicites | | |
| 14362 | Species | Leodicites angiformis | Eller, 1955 | Leodicites | | |
| 14363 | Species | Leodicites angularis | Loranger, 1963 | Leodicites | | |
| 14364 | Species | Leodicites angulus | Eller, 1945 | Leodicites | | |
| 14365 | Species | Leodicites angusticameratus | Eller, 1955 | Leodicites | | |
| 14366 | Species | Leodicites angustisulcus | Eller, 1945 | Leodicites | | |
| 14367 | Species | Leodicites antefixus | Eller, 1945 | Leodicites | | |
| 14368 | Species | Leodicites anticus | Eller, 1945 | Leodicites | | |
| 14369 | Species | Leodicites arcuatus | Hinde, 1879 | Leodicites | | |
| 14370 | Species | Leodicites armatus | Hinde, 1879 | Leodicites | | |
| 14371 | Species | Leodicites arquatus | Eller, 1945 | Leodicites | | |
| 14372 | Species | Leodicites artus | Eller, 1945 | Leodicites | | |
| 14373 | Species | Leodicites barbatus | Eller, 1942 | Leodicites | | |
| 14374 | Species | Leodicites biformis | Eller, 1945 | Leodicites | | |
| 14375 | Species | Leodicites bisculus | Eller, 1945 | Leodicites | | |
| 14376 | Species | Leodicites breviculus | Eller, 1945 | Leodicites | | |
| 14377 | Species | Leodicites brevis | Jansonius et Craig, 1971 | Leodicites | | |
| 14378 | Species | Leodicites brooksi | Eller, 1945 | Leodicites | | |
| 14379 | Species | Leodicites buris | Eller, 1945 | Leodicites | | |
| 14380 | Species | Leodicites caleyi | Eller, 1944 | Leodicites | | |
| 14381 | Species | Leodicites clementi | Eller, 1945 | Leodicites | | |
| 14382 | Species | Leodicites collatus | Eller, 1945 | Leodicites | | |
| 14383 | Species | Leodicites compactus | Hinde, 1879 | Leodicites | | |
| 14384 | Species | Leodicites compactus (duplicate name) | Taugourdeau, 1968 | Leodicites | | |
| 14385 | Species | Leodicites confragosus | Eller, 1961 | Leodicites | | |
| 14387 | Species | Leodicites convallis | Eller, 1945 | Leodicites | | |
| 14388 | Species | Leodicites corbis | Eller, 1945 | Leodicites | | |
| 14389 | Species | Leodicites cotentinensis | Taugourdeau, 1967 | Leodicites | | |
| 14390 | Species | Leodicites crassimarginatus | Walliser, 1960 | Leodicites | | |
| 14391 | Species | Leodicites creditensis | Eller, 1942 | Leodicites | | |
| 14393 | Species | Leodicites cultriformis | Stauffer, 1939 | Leodicites | | |
| 14394 | Species | Leodicites cuneiformis | Taugourdeau, 1968 | Leodicites | | |
| 14395 | Species | Leodicites declivis | Eller, 1963a | Leodicites | | |
| 14396 | Species | Leodicites demissus | Eller, 1963a | Leodicites | | |
| 14397 | Species | Leodicites densus | Eller, 1942 | Leodicites | | |
| 14398 | Species | Leodicites descriptus | Eller, 1963a | Leodicites | | |
| 14399 | Species | Leodicites diffusus | Eller, 1946 | Leodicites | | |
| 14400 | Species | Leodicites divexus | Eller, 1963a | Leodicites | | |
| 14401 | Species | Leodicites exilis | Eller, 1945 | Leodicites | | |
| 14403 | Species | Leodicites falciformis | Stauffer, 1939 | Leodicites | | |
| 14404 | Species | Leodicites finitimus | Eller, 1964 | Leodicites | | |
| 14405 | Species | Leodicites fluctuosus | Eller, 1964 | Leodicites | | |
| 14407 | Species | Leodicites heteropsis | Eller, 1964 | Leodicites | | |
| 14408 | Species | Leodicites imparilis | Sylvester, 1959 | Leodicites | | |
| 14409 | Species | Leodicites incertus | Eller, 1964 | Leodicites | | |
| 14410 | Species | Leodicites indecorus | Eller, 1964 | Leodicites | | |
| 14411 | Species | Leodicites inflatus | Eller, 1964 | Leodicites | | |
| 14412 | Species | Leodicites inordinatus | Eller, 1964 | Leodicites | | |
| 14413 | Species | Leodicites interstrictus | Eller, 1969 | Leodicites | | |
| 14414 | Species | Leodicites irregularidentatus | Taugourdeau, 1968 | Leodicites | | |
| 14415 | Species | Leodicites lacunosus | Eller, 1964 | Leodicites | | |
| 14416 | Species | Leodicites lamellosus | Eller, 1964 | Leodicites | | |
| 14417 | Species | Leodicites magnificus | Stauffer, 1939 | Leodicites | | |
| 14418 | Species | Leodicites monstratus | Eller, 1967a | Leodicites | | |
| 14419 | Species | Leodicites obtusidentatus | Taugourdeau, 1968 | Leodicites | | |
| 14420 | Species | Leodicites politus | Hinde, 1879 | Leodicites | | |
| 14421 | Species | Leodicites reimanni | Eller, 1941b | Leodicites | | |
| 14422 | Species | Leodicites scitulus | Eller, 1941b | Leodicites | | |
| 14423 | Species | Leodicites scoticus | Hinde, 1879 | Leodicites | | |
| 14424 | Species | Leodicites semiquadratus | Eller, 1945 | Leodicites | | |
| 14425 | Species | Leodicites senilis | Taugourdeau, 1968 | Leodicites | | |
| 14426 | Species | Leodicites similis | Hinde, 1879 | Leodicites | | |
| 14427 | Species | Leodicites streetsvillensis | Eller, 1942 | Leodicites | | |
| 14428 | Species | Leodicites sublunatus | Walliser, 1960 | Leodicites | | |
| 14429 | Species | Leodicites summus | Eller, 1942 | Leodicites | | |
| 14430 | Species | Leodicites variedentatus | Eller, 1940 | Leodicites | | |
| 14386 | Species | Leodicites? continuus | Eller, 1945 | Leodicites | | |
| 14392 | Species | Leodicites? cristatus | Seidel, 1959 | Leodicites | | |
| 14402 | Species | Leodicites? falcarius | Seidel, 1959 | Leodicites | | |
| 14406 | Species | Leodicites? hamatus | Seidel, 1959 | Leodicites | | |
| 13901 | Genus | Leogenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14431 | Species | Leogenys altilis | Eller, 1955 | Leogenys | | |
| 14432 | Species | Leogenys prosseri | Stauffer, 1940 | Leogenys | | |
| 1100 | Genus | Leptoprion | Kielan-Jaworowska, 1966 | Kalloprionidae | | |
| 2150 | Species | Leptoprion artus | Kielan-Jaworowska, 1966 | Leptoprion | | |
| 14434 | Species | Leptoprion polonicus | Kielan-Jaworowska, 1966 | Leptoprion | | |
| 2151 | Species | Leptoprion sp. A | Hints, 1998 | Leptoprion | | |
| 13903 | Genus | Lobogenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14435 | Species | Lobogenys hibbardi | Eller, 1940 | Lobogenys | | |
| 13904 | Genus | Lumbriconereites | Ehlers, 1868b | Eunicida Incertae Familiae | | |
| 14436 | Species | Lumbriconereites affinis | Stauffer, 1933 | Lumbriconereites | | |
| 14437 | Species | Lumbriconereites angustifossus | Eller, 1945 | Lumbriconereites | | |
| 14438 | Species | Lumbriconereites arcuatus | Stauffer, 1933 | Lumbriconereites | | |
| 14439 | Species | Lumbriconereites armatus | Hinde, 1879 | Lumbriconereites | | |
| 14440 | Species | Lumbriconereites assimilis | Eller, 1945 | Lumbriconereites | | |
| 14441 | Species | Lumbriconereites attactus | Eller, 1969 | Lumbriconereites | | |
| 14442 | Species | Lumbriconereites austini | Foerste, 1888 | Lumbriconereites | | |
| 14443 | Species | Lumbriconereites basalis | Hinde, 1879 | Lumbriconereites | | |
| 14444 | Species | Lumbriconereites bicornis | Eller, 1945 | Lumbriconereites | | |
| 14445 | Species | Lumbriconereites butleri | Tasch & Stude, 1966 | Lumbriconereites | | |
| 14446 | Species | Lumbriconereites cameratus | Stauffer, 1933 | Lumbriconereites | | |
| 14447 | Species | Lumbriconereites celsus | Eller, 1961 | Lumbriconereites | | |
| 14448 | Species | Lumbriconereites chasensis | Tasch & Stude, 1966 | Lumbriconereites | | |
| 14449 | Species | Lumbriconereites clavatus | Eller, 1941b | Lumbriconereites | | |
| 14450 | Species | Lumbriconereites claviformis | Eller, 1961 | Lumbriconereites | | |
| 14451 | Species | Lumbriconereites cognitus | Stauffer, 1933 | Lumbriconereites | | |
| 14452 | Species | Lumbriconereites compactilis | Eller, 1961 | Lumbriconereites | | |
| 14453 | Species | Lumbriconereites concertatorius | Eller, 1945 | Lumbriconereites | | |
| 14454 | Species | Lumbriconereites conformis | Sylvester, 1959 | Lumbriconereites | | |
| 14455 | Species | Lumbriconereites contiguus | Eller, 1961 | Lumbriconereites | | |
| 14456 | Species | Lumbriconereites cooperi | Eller, 1938 | Lumbriconereites | | |
| 14457 | Species | Lumbriconereites copiosus | Eller, 1942 | Lumbriconereites | | |
| 14458 | Species | Lumbriconereites cowleyensis | Tasch & Stude, 1966 | Lumbriconereites | | |
| 14459 | Species | Lumbriconereites crassus | Eller, 1945 | Lumbriconereites | | |
| 14460 | Species | Lumbriconereites crenatus | Stauffer, 1933 | Lumbriconereites | | |
| 14461 | Species | Lumbriconereites crispus | Eller, 1961 | Lumbriconereites | | |
| 14462 | Species | Lumbriconereites cruciatus | Eller, 1961 | Lumbriconereites | | |
| 14463 | Species | Lumbriconereites curvus | Eller, 1945 | Lumbriconereites | | |
| 14464 | Species | Lumbriconereites dactylodus | Hinde, 1879 | Lumbriconereites | | |
| 14465 | Species | Lumbriconereites definitus | Eller, 1946 | Lumbriconereites | | |
| 14466 | Species | Lumbriconereites deflexus | Eller, 1942 | Lumbriconereites | | |
| 14467 | Species | Lumbriconereites deperditus | Ehlers, 1868b | Lumbriconereites | | |
| 14469 | Species | Lumbriconereites dissimilaris | Eller, 1969 | Lumbriconereites | | |
| 14468 | Species | Lumbriconereites dissimilis | Eller, 1945 | Lumbriconereites | | |
| 14470 | Species | Lumbriconereites expansus | Stauffer, 1939 | Lumbriconereites | | |
| 14471 | Species | Lumbriconereites falciformis | Hinde, 1882 | Lumbriconereites | | |
| 14472 | Species | Lumbriconereites flexuosus | Eller, 1964 | Lumbriconereites | | |
| 14473 | Species | Lumbriconereites florencellus | Tasch & Stude, 1966 | Lumbriconereites | | |
| 14474 | Species | Lumbriconereites hibbardi | Eller, 1940 | Lumbriconereites | | |
| 14475 | Species | Lumbriconereites inconditus | Eller, 1969 | Lumbriconereites | | |
| 14476 | Species | Lumbriconereites inflexus | Stauffer, 1933 | Lumbriconereites | | |
| 14477 | Species | Lumbriconereites irregularis | Eller, 1945 | Lumbriconereites | | |
| 14478 | Species | Lumbriconereites jenningsi | Eller, 1945 | Lumbriconereites | | |
| 14479 | Species | Lumbriconereites johnsoni | Eller, 1945 | Lumbriconereites | | |
| 14480 | Species | Lumbriconereites jugosus | Eller, 1964 | Lumbriconereites | | |
| 14481 | Species | Lumbriconereites kosinskii | Eller, 1945 | Lumbriconereites | | |
| 14482 | Species | Lumbriconereites labiosus | Eller, 1964 | Lumbriconereites | | |
| 14483 | Species | Lumbriconereites laeocooperi | Jansonius & Craig, 1971 | Lumbriconereites | | |
| 14484 | Species | Lumbriconereites laeojugosus | Jansonius & Craig, 1971 | Lumbriconereites | | |
| 14485 | Species | Lumbriconereites laeospatiosus | Jansonius & Craig, 1971 | Lumbriconereites | | |
| 14486 | Species | Lumbriconereites langae | Eller, 1945 | Lumbriconereites | | |
| 14487 | Species | Lumbriconereites latifrons | Eller, 1964 | Lumbriconereites | | |
| 14488 | Species | Lumbriconereites linki | Eller, 1945 | Lumbriconereites | | |
| 14489 | Species | Lumbriconereites longae | Eller, 1945 | Lumbriconereites | | |
| 14490 | Species | Lumbriconereites machinosus | Eller, 1969 | Lumbriconereites | | |
| 14491 | Species | Lumbriconereites macmillani | Eller, 1945 | Lumbriconereites | | |
| 14492 | Species | Lumbriconereites marlenediesae | Eller, 1942 | Lumbriconereites | | |
| 14493 | Species | Lumbriconereites modestus | Stauffer, 1933 | Lumbriconereites | | |
| 14494 | Species | Lumbriconereites obliquus | (Eichwald, 1854) | Lumbriconereites | | |
| 14496 | Species | Lumbriconereites perfectus | Stauffer, 1933 | Lumbriconereites | | |
| 14497 | Species | Lumbriconereites permianensis | Tasch & Stude, 1966 | Lumbriconereites | | |
| 14498 | Species | Lumbriconereites permospectabilis | Tasch & Stude, 1966 | Lumbriconereites | | |
| 14499 | Species | Lumbriconereites plattevillensis | Stauffer, 1933 | Lumbriconereites | | |
| 14500 | Species | Lumbriconereites potensus | Stauffer, 1933 | Lumbriconereites | | |
| 14501 | Species | Lumbriconereites proclivis | Eller, 1942 | Lumbriconereites | | |
| 14502 | Species | Lumbriconereites projectus | Eller, 1945 | Lumbriconereites | | |
| 14503 | Species | Lumbriconereites scrobiculus | Eller, 1944 | Lumbriconereites | | |
| 14506 | Species | Lumbriconereites siluricus | Jansonius & Craig, 1971 | Lumbriconereites | | |
| 14507 | Species | Lumbriconereites similis | Stauffer, 1933 | Lumbriconereites | | |
| 14508 | Species | Lumbriconereites spatiosus | Hinde, 1882 | Lumbriconereites | | |
| 14509 | Species | Lumbriconereites speciosus | Stauffer, 1933 | Lumbriconereites | | |
| 14510 | Species | Lumbriconereites spectabilis | Stauffer, 1939 | Lumbriconereites | | |
| 14511 | Species | Lumbriconereites superbus | Stauffer, 1933 | Lumbriconereites | | |
| 14512 | Species | Lumbriconereites triangularis | Hinde, 1879 | Lumbriconereites | | |
| 14513 | Species | Lumbriconereites triquetrus | Eller, 1945 | Lumbriconereites | | |
| 14514 | Species | Lumbriconereites tuberosus | Eller, 1945 | Lumbriconereites | | |
| 14515 | Species | Lumbriconereites webbi | Stauffer, 1933 | Lumbriconereites | | |
| 14505 | Species | Lumbriconereites(?) serratus | Taugourdeau, 1968 | Lumbriconereites | | |
| 14495 | Species | Lumbriconereites? okulitchi | Eller, 1945 | Lumbriconereites | | |
| 14504 | Species | Lumbriconereites? serratus | Seidel, 1959 | Lumbriconereites | | |
| 1111 | Genus | Lunoprionella | Eisenack, 1975 | Eunicida Incertae Familiae | | |
| 2155 | Species | Lunoprionella symmetrica | Eisenack, 1975 | Lunoprionella | | |
| 13905 | Genus | Lysaretides | Kozur, 1970 | Eunicida Incertae Familiae | | |
| 14516 | Species | Lysaretides hartmanni | Kozur, 1970 | Lysaretides | | |
| 14517 | Species | Lysaretides lata | Kozur, 1970 | Lysaretides | | |
| 13906 | Genus | Marleneites | Eller, 1945 | Eunicida Incertae Familiae | | |
| 14518 | Species | Marleneites arduus | Eller, 1945 | Marleneites | | |
| 14519 | Species | Marleneites aureus | Eller, 1945 | Marleneites | | |
| 14520 | Species | Marleneites constrictus | Eller, 1961 | Marleneites | | |
| 14521 | Species | Marleneites elatus | Eller, 1963b | Marleneites | | |
| 14522 | Species | Marleneites excavatus | Eller, 1941b | Marleneites | | |
| 14523 | Species | Marleneites explicatus | Eller, 1963b | Marleneites | | |
| 14524 | Species | Marleneites farrari | Eller, 1945 | Marleneites | | |
| 14525 | Species | Marleneites lysi | Taugourdeau, 1970 | Marleneites | | |
| 14526 | Species | Marleneites marginatus | Eller, 1944 | Marleneites | | |
| 14527 | Species | Marleneites millerae | Eller, 1945 | Marleneites | | |
| 14528 | Species | Marleneites? rectus | Taugourdeau, 1968 | Marleneites | | |
| 13907 | Genus | Marphysaites | Eller, 1945 | Eunicida Incertae Familiae | | |
| 14529 | Species | Marphysaites aptus | Eller, 1945 | Marphysaites | | |
| 14530 | Species | Marphysaites claviger | Eller, 1969 | Marphysaites | | |
| 14531 | Species | Marphysaites deliguus | Eller, 1963a | Marphysaites | | |
| 14532 | Species | Marphysaites gomphoidites | Eller, 1964 | Marphysaites | | |
| 14533 | Species | Marphysaites junctus | Eller, 1964 | Marphysaites | | |
| 14534 | Species | Marphysaites liratus | Sylvester, 1959 | Marphysaites | | |
| 14535 | Species | Marphysaites multiformis | Eller, 1969 | Marphysaites | | |
| 14536 | Species | Marphysaites pistillus | Taugourdeau, 1968 | Marphysaites | | |
| 1749 | Genus | Megaramphoprion | Eriksson, 2001 | Ramphoprionidae | | |
| 3554 | Species | Megaramphoprion magnus | Eriksson, 2001 | Megaramphoprion | Telychian | Ludfordian |
| 13908 | Genus | Menogenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14537 | Species | Menogenys summa | Eller, 1942 | Menogenys | | |
| 13909 | Genus | Microdactylophora | Eisenack, 1970 | Eunicida Incertae Familiae | | |
| 14538 | Species | Microdactylophora pediforma | Eisenack, 1970 | Microdactylophora | | |
| 1107 | Genus | Mochtyella | Kielan-Jaworowska, 1961 | Mochtyellidae | | |
| 14997 | Species | Mochtyella angelini | Mierzejewski, 1978 | Mochtyella | | |
| 2115 | Species | Mochtyella cristata | Kielan-Jaworowska, 1961 | Mochtyella | Upper Ordovician | lower Silurian |
| 2127 | Species | Mochtyella duplicidentata | Szaniawski, 1970 | Mochtyella | | |
| 2126 | Species | Mochtyella fragilis | Szaniawski, 1970 | Mochtyella | | |
| 14998 | Species | Mochtyella grazynae | Mierzejewski, 1978 | Mochtyella | | |
| 14542 | Species | Mochtyella multilamellata | Szaniawski, 1970 | Mochtyella | | |
| 2118 | Species | Mochtyella polonica | Kielan-Jaworowska, 1966 | Mochtyella | Upper Ordovician | lower Silurian |
| 11440 | Species | Mochtyella pragensis | Tonarova, Eriksson et Hints, 2012 | Mochtyella | | |
| 14544 | Species | Mochtyella trapezoidea | Kielan-Jaworowska, 1966 | Mochtyella | | |
| 13911 | Genus | Monothrites | Eisenack, 1968 | Eunicida Incertae Familiae | | |
| 14545 | Species | Monothrites acutus | Eisenack, 1968 | Monothrites | Upper Triassic | Upper Ordovician |
| 13912 | Genus | Muelleriprion | Kozur, 1967 | Eunicida Incertae Familiae | | |
| 14547 | Species | Muelleriprion angulatus | Kozur, 1967 | Muelleriprion | | |
| 14548 | Species | Muelleriprion biconvexus | Seidel, 1959 | Muelleriprion | | |
| 14555 | Species | Muelleriprion inflexus | Kozur, 1967 | Muelleriprion | | |
| 14556 | Species | Muelleriprion jordani | Kozur, 1967 | Muelleriprion | | |
| 14557 | Species | Muelleriprion magnidentatus | Seidel, 1959 | Muelleriprion | | |
| 14558 | Species | Muelleriprion multidentatus | Kozur, 1967 | Muelleriprion | | |
| 14560 | Species | Muelleriprion robustus | Seidel, 1959 | Muelleriprion | | |
| 14546 | Species | Muelleriprion? angiformis | Eller, 1955 | Muelleriprion | | |
| 14549 | Species | Muelleriprion? comis | Eller, 1938 | Muelleriprion | | |
| 14550 | Species | Muelleriprion? compressus | Seidel, 1959 | Muelleriprion | | |
| 14551 | Species | Muelleriprion? cristatus | Seidel, 1959 | Muelleriprion | | |
| 14552 | Species | Muelleriprion? delicatulus | Stauffer, 1939 | Muelleriprion | | |
| 14553 | Species | Muelleriprion? falcarius | Seidel, 1959 | Muelleriprion | | |
| 14554 | Species | Muelleriprion? hamatus | Seidel, 1959 | Muelleriprion | | |
| 14559 | Species | Muelleriprion? oblongus | Seidel, 1959 | Muelleriprion | | |
| 14561 | Species | Muelleriprion? spinosus | Seidel, 1959 | Muelleriprion | | |
| 14562 | Species | Muelleriprion? thuringensis | Kozur, 1967 | Muelleriprion | | |
| 13913 | Genus | Nereidavus | Grinnell, 1877 | Eunicida Incertae Familiae | | |
| 14564 | Species | Nereidavus alatus | Eller, 1945 | Nereidavus | | |
| 14565 | Species | Nereidavus angulatus | Eller, 1938 | Nereidavus | | |
| 14566 | Species | Nereidavus angulosus | Eller, 1945 | Nereidavus | | |
| 14567 | Species | Nereidavus antiquus | Hinde, 1880 | Nereidavus | | |
| 14568 | Species | Nereidavus artatus | Eller, 1945 | Nereidavus | | |
| 14569 | Species | Nereidavus avinoffi | Eller, 1945 | Nereidavus | | |
| 14570 | Species | Nereidavus calciferus | Taugourdeau, 1968 | Nereidavus | | |
| 14571 | Species | Nereidavus canandiaguaensis | Eller, 1934b | Nereidavus | | |
| 14572 | Species | Nereidavus concavibasus | Taugourdeau, 1970 | Nereidavus | | |
| 14573 | Species | Nereidavus curtidentatus | Eller, 1961 | Nereidavus | | |
| 14574 | Species | Nereidavus decoctus | Eller, 1963a | Nereidavus | | |
| 14575 | Species | Nereidavus difficilis | Eller, 1963a | Nereidavus | | |
| 14576 | Species | Nereidavus digitus | Eller, 1963a | Nereidavus | | |
| 14577 | Species | Nereidavus disjunctus | Eller, 1963a | Nereidavus | | |
| 14578 | Species | Nereidavus distinctus | Eller, 1963a | Nereidavus | | |
| 14579 | Species | Nereidavus diversus | Eller, 1963a | Nereidavus | | |
| 14580 | Species | Nereidavus elleri | Taugourdeau, 1968 | Nereidavus | | |
| 14581 | Species | Nereidavus exploratus | Eller, 1963b | Nereidavus | | |
| 14582 | Species | Nereidavus forcicarinatus | Eller, 1964 | Nereidavus | | |
| 14583 | Species | Nereidavus giganteus | Sylvester, 1959 | Nereidavus | | |
| 14584 | Species | Nereidavus hamulus | Eller, 1941b | Nereidavus | | |
| 14585 | Species | Nereidavus hamus | Eller, 1942 | Nereidavus | | |
| 14586 | Species | Nereidavus harbisonae | Eller, 1941b | Nereidavus | | |
| 14587 | Species | Nereidavus hastatus | Eller, 1964 | Nereidavus | | |
| 14588 | Species | Nereidavus incomptus | Eller, 1964 | Nereidavus | | |
| 14589 | Species | Nereidavus incrassatus | Eller, 1964 | Nereidavus | | |
| 14590 | Species | Nereidavus ineptus | Eller, 1942 | Nereidavus | | |
| 14591 | Species | Nereidavus infrequens | Hinde, 1879 | Nereidavus | | |
| 14592 | Species | Nereidavus inornatus | Stauffer, 1939 | Nereidavus | | |
| 14593 | Species | Nereidavus invisibilis | Eller, 1940 | Nereidavus | | |
| 14594 | Species | Nereidavus laeoharbisonae | Jansonius & Craig, 1971 | Nereidavus | | |
| 14595 | Species | Nereidavus laeoinvisibilis | Jansonius & Craig, 1971 | Nereidavus | | |
| 14596 | Species | Nereidavus muelleri | Eller, 1963a | Nereidavus | | |
| 14597 | Species | Nereidavus novenus | Eller, 1969 | Nereidavus | | |
| 14598 | Species | Nereidavus nudus | Taugourdeau, 1968 | Nereidavus | | |
| 14599 | Species | Nereidavus ontarioensis | Stauffer, 1939 | Nereidavus | | |
| 14600 | Species | Nereidavus orbiculoides | Tasch & Stude, 1966 | Nereidavus | | |
| 14601 | Species | Nereidavus perlongus | Eller, 1934a | Nereidavus | | |
| 14602 | Species | Nereidavus planus | Stauffer, 1939 | Nereidavus | | |
| 14603 | Species | Nereidavus platibasus | Taugourdeau, 1970 | Nereidavus | | |
| 14604 | Species | Nereidavus procurvus | Eller, 1942 | Nereidavus | | |
| 14605 | Species | Nereidavus solitarius | Hinde, 1879 | Nereidavus | | |
| 14606 | Species | Nereidavus undulatus | Taugourdeau, 1970 | Nereidavus | | |
| 14607 | Species | Nereidavus varians | Grinnell, 1877 | Nereidavus | | |
| 14608 | Species | Nereidavus wolfcampis | Tasch & Stude, 1966 | Nereidavus | | |
| 14563 | Species | Nereidavus? admixtus | Eller, 1955 | Nereidavus | | |
| 13914 | Genus | Nereigenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14609 | Species | Nereigenys disjuncta | Eller, 1963a | Nereigenys | | |
| 13915 | Genus | Nereites | Massalongo, 1855 | Eunicida Incertae Familiae | | |
| 14610 | Species | Nereites affinis | Massalongo, 1855 | Nereites | | |
| 14611 | Species | Nereites dasiaeformis | Massalongo, 1855 | Nereites | | |
| 14612 | Species | Nereites gazolae | Massalongo, 1855 | Nereites | | |
| 14613 | Species | Nereites heerii | Massalongo, 1855 | Nereites | | |
| 14614 | Species | Nereites hesionoides | Massalongo, 1855 | Nereites | | |
| 14615 | Species | Nereites intermedius | Massalongo, 1855 | Nereites | | |
| 14616 | Species | Nereites jani | Massalongo, 1855 | Nereites | | |
| 14617 | Species | Nereites thoraeformis | Massalongo, 1855 | Nereites | | |
| 13916 | Genus | Nothrites | Stauffer, 1933 | Eunicida Incertae Familiae | | |
| 14618 | Species | Nothrites elegans | Stauffer, 1933 | Nothrites | | |
| 14619 | Species | Nothrites gratus | Stauffer, 1933 | Nothrites | | |
| 14620 | Species | Nothrites multidentatus | Eisenack, 1970 | Nothrites | | |
| 14621 | Species | Nothrites robardeti | Taugourdeau, 1970 | Nothrites | | |
| 14622 | Species | Nothrites sulcatus | Stauffer, 1939 | Nothrites | | |
| 1108 | Genus | Oenonites | Hinde, 1879 | Polychaetaspidae | | |
| 14623 | Species | Oenonites abnormis | Eller, 1938 | Oenonites | | |
| 14624 | Species | Oenonites abscissus | Eller, 1955 | Oenonites | | |
| 14625 | Species | Oenonites acinaces | Eller, 1940 | Oenonites | | |
| 14626 | Species | Oenonites adversus | Eller, 1945 | Oenonites | | |
| 14627 | Species | Oenonites aequibranchiatus | Eller, 1955 | Oenonites | | |
| 14628 | Species | Oenonites albionensis | Eller, 1940 | Oenonites | | |
| 14629 | Species | Oenonites alpenaensis | Eller, 1938 | Oenonites | | |
| 14631 | Species | Oenonites amplus | Hinde, 1879 | Oenonites | | |
| 14632 | Species | Oenonites aspersus | Hinde, 1880 | Oenonites | | |
| 14633 | Species | Oenonites bidens | Eller, 1940 | Oenonites | | |
| 14634 | Species | Oenonites bidwelli | Eller, 1945 | Oenonites | | |
| 14635 | Species | Oenonites bittingsae | Eller, 1945 | Oenonites | | |
| 14636 | Species | Oenonites caducus | Eller, 1942 | Oenonites | | |
| 14637 | Species | Oenonites cadwaladeri | Eller, 1941b | Oenonites | | |
| 14638 | Species | Oenonites canaliculatus | Eller, 1961 | Oenonites | | |
| 14640 | Species | Oenonites coalescens | Eller, 1940 | Oenonites | | |
| 14641 | Species | Oenonites coggeshalli | Eller, 1945 | Oenonites | | |
| 14642 | Species | Oenonites compactus | Hinde, 1879 | Oenonites | | |
| 14643 | Species | Oenonites conterminus | Eller, 1942 | Oenonites | | |
| 14644 | Species | Oenonites crepitus | Eller, 1942 | Oenonites | | |
| 14645 | Species | Oenonites cuneatus | Hinde, 1879 | Oenonites | | |
| 14646 | Species | Oenonites cuneatus var. humilis | Hinde, 1880 | Oenonites | | |
| 14647 | Species | Oenonites curvidens | Hinde, 1879 | Oenonites | | |
| 14648 | Species | Oenonites decipiens | Foerste, 1888 | Oenonites | | |
| 14649 | Species | Oenonites dignus | Stauffer, 1933 | Oenonites | | |
| 14975 | Species | Oenonites eichwaldi | Eriksson, 1997 | Oenonites | | |
| 14651 | Species | Oenonites exactus | Eller, 1940 | Oenonites | | |
| 14652 | Species | Oenonites excavatus | Eller, 1941b | Oenonites | | |
| 14653 | Species | Oenonites excelsus | Stauffer, 1933 | Oenonites | | |
| 14654 | Species | Oenonites fissilis | Eller, 1945 | Oenonites | | |
| 14655 | Species | Oenonites flexus | Eller, 1940 | Oenonites | | |
| 14656 | Species | Oenonites fornicatus | Eller, 1940 | Oenonites | | |
| 14657 | Species | Oenonites fossulus | Eller, 1940 | Oenonites | | |
| 14659 | Species | Oenonites fragilis | Hinde, 1879 | Oenonites | | |
| 2133 | Species | Oenonites gadomskae | (Kielan-Jaworowska, 1966) | Oenonites | Ordovician | Silurian |
| 14660 | Species | Oenonites grandidentatus | Eller, 1934a | Oenonites | | |
| 14661 | Species | Oenonites impardentatus | Eller, 1945 | Oenonites | | |
| 14662 | Species | Oenonites inaequalis | Hinde, 1879 | Oenonites | | |
| 14664 | Species | Oenonites inornatus | Stauffer, 1933 | Oenonites | | |
| 14665 | Species | Oenonites insignificans | Hinde, 1880 | Oenonites | | |
| 2121 | Species | Oenonites jennyensis | Eriksson, 1997 | Oenonites | Silurian | Silurian |
| 14667 | Species | Oenonites kopfi | Eller, 1940 | Oenonites | | |
| 14668 | Species | Oenonites laeocogeshalli | Jansonius & Craig, 1971 | Oenonites | | |
| 14669 | Species | Oenonites laeoflexus | Jansonius & Craig, 1971 | Oenonites | | |
| 2136 | Species | Oenonites latus | (Kielan-Jaworowska, 1966) | Oenonites | Upper Ordovician | Silurian |
| 14671 | Species | Oenonites levis | Eller, 1940 | Oenonites | | |
| 14672 | Species | Oenonites lewistonensis | Eller, 1940 | Oenonites | | |
| 14673 | Species | Oenonites magnificus | Stauffer, 1933 | Oenonites | | |
| 14674 | Species | Oenonites major | Hinde, 1879 | Oenonites | | |
| 14675 | Species | Oenonites marginatus | Eller, 1944 | Oenonites | | |
| 14676 | Species | Oenonites naviformis | Hinde, 1880 | Oenonites | | |
| 14977 | Species | Oenonites olavi | Eriksson, 1997 | Oenonites | | |
| 14677 | Species | Oenonites orthodontus | Eller, 1938 | Oenonites | | |
| 14678 | Species | Oenonites paratus | Stauffer, 1933 | Oenonites | | |
| 14679 | Species | Oenonites parvidentatus | Eller, 1940 | Oenonites | | |
| 14680 | Species | Oenonites parvulus | Hinde, 1882 | Oenonites | | |
| 14681 | Species | Oenonites peracutus | Eller, 1940 | Oenonites | | |
| 14682 | Species | Oenonites permistus | Eller, 1940 | Oenonites | | |
| 14683 | Species | Oenonites praeacutus | Hinde, 1880 | Oenonites | | |
| 14684 | Species | Oenonites propinquus | Stauffer, 1933 | Oenonites | | |
| 14685 | Species | Oenonites radula | Hinde, 1882 | Oenonites | | |
| 14686 | Species | Oenonites radula var.cristula | Hinde, 1882 | Oenonites | | |
| 14687 | Species | Oenonites recurvis | Stauffer, 1933 | Oenonites | | |
| 14688 | Species | Oenonites regularis | Hinde, 1880 | Oenonites | | |
| 14689 | Species | Oenonites rostratus | Hinde, 1879 | Oenonites | | |
| 14690 | Species | Oenonites scelesteus | Stauffer, 1933 | Oenonites | | |
| 14691 | Species | Oenonites securis | Hinde, 1882 | Oenonites | | |
| 14692 | Species | Oenonites securis var. basalis | Hinde, 1882 | Oenonites | | |
| 14693 | Species | Oenonites serratus | Hinde, 1879 | Oenonites | | |
| 14694 | Species | Oenonites sinuatus | Eller, 1942 | Oenonites | | |
| 2137 | Species | Oenonites sp. A | Hints, 1998 | Oenonites | | |
| 2138 | Species | Oenonites sp. B | Hints, 1998 | Oenonites | | |
| 14695 | Species | Oenonites spiculatus | Stauffer, 1933 | Oenonites | | |
| 14697 | Species | Oenonites straufferi | Eller, 1940 | Oenonites | | |
| 14698 | Species | Oenonites subquadratus | Stauffer, 1933 | Oenonites | | |
| 14699 | Species | Oenonites tacitus | Stauffer, 1933 | Oenonites | | |
| 14700 | Species | Oenonites tenuis | Eller, 1941b | Oenonites | | |
| 2134 | Species | Oenonites tuberculatus | (Kielan-Jaworowska, 1966) | Oenonites | Upper Ordovician | Upper Ordovician |
| 14701 | Species | Oenonites tubulatus | Hinde, 1880 | Oenonites | | |
| 2135 | Species | Oenonites varsoviensis | (Kielan-Jaworowska, 1966) | Oenonites | Ordovician | Silurian |
| 14978 | Species | Oenonites wejstorpi | Eriksson, 1997 | Oenonites | | |
| 2132 | Species | Oenonites wyszogrodensis | (Kozłowski, 1956) | Oenonites | Ordovician | Silurian |
| 14979 | Species | Oenonites zappae | Eriksson, 1997 | Oenonites | | |
| 14630 | Species | Oenonites? alternidentatus | Taugourdeau, 1968 | Oenonites | | |
| 14639 | Species | Oenonites? carinatus | Hinde, 1879 | Oenonites | | |
| 14650 | Species | Oenonites? dubius | Eller, 1945 | Oenonites | | |
| 14658 | Species | Oenonites? franci | Eller, 1940 | Oenonites | | |
| 14984 | Species | Oenonites? honki | Eriksson, 2000 | Oenonites | | |
| 14663 | Species | Oenonites? infrequens | Hinde, 1879 | Oenonites | | |
| 14666 | Species | Oenonites? intrinsecus | Eller, 1945 | Oenonites | | |
| 14670 | Species | Oenonites? latidentatus | Taugourdeau, 1968 | Oenonites | | |
| 14696 | Species | Oenonites? spiniger | Hinde, 1882 | Oenonites | | |
| 13918 | Genus | Orthopelta | Eisenack, 1939 | Eunicida Incertae Familiae | | |
| 14703 | Species | Orthopelta bipennis | Eisenack, 1939 | Orthopelta | | |
| 14704 | Species | Orthopelta clavicula | Eisenack, 1939 | Orthopelta | | |
| 14705 | Species | Orthopelta erratica | Eisenack, 1939 | Orthopelta | | |
| 14707 | Species | Orthopelta humeri | Eisenack, 1939 | Orthopelta | | |
| 14709 | Species | Orthopelta lyra | Taugourdeau, 1970 | Orthopelta | | |
| 14710 | Species | Orthopelta mucronata | Eisenack, 1939 | Orthopelta | | |
| 14711 | Species | Orthopelta navis | Eisenack, 1939 | Orthopelta | | |
| 14712 | Species | Orthopelta synclinalis | Eisenack, 1939 | Orthopelta | | |
| 14702 | Species | Orthopelta? bifida | Eller, 1945 | Orthopelta | | |
| 14706 | Species | Orthopelta? femuralis | Eller, 1945 | Orthopelta | | |
| 14708 | Species | Orthopelta? humerus | Eller, 1964 | Orthopelta | | |
| 13919 | Genus | Otogenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14713 | Species | Otogenys cotentinensis | Taugourdeau, 1967 | Otogenys | | |
| 13920 | Genus | Ottawella | Wilson, 1948 | Eunicida Incertae Familiae | | |
| 14714 | Species | Ottawella sinclairi | Wilson, 1948 | Ottawella | | |
| 13921 | Genus | Ottawina | Wilson, 1948 | Eunicida Incertae Familiae | | |
| 14715 | Species | Ottawina trentonensis | Wilson, 1948 | Ottawina | | |
| 13922 | Genus | Oxyprion | Szaniawski, 1968 | Mochtyellidae | | |
| 14716 | Species | Oxyprion compressus | Szaniawski, 1968 | Oxyprion | | |
| 13923 | Genus | Palaeodactylophora | Eisenack, 1970 | Eunicida Incertae Familiae | | |
| 14717 | Species | Palaeodactylophora robusta | Eisenack, 1970 | Palaeodactylophora | | |
| 13924 | Genus | Palaeopelyx | Eisenack, 1970 | Eunicida Incertae Familiae | | |
| 14718 | Species | Palaeopelyx ohesaaricus | Eisenack, 1970 | Palaeopelyx | Ohesaare Stage | Ohesaare Stage |
| 13925 | Genus | Palaeosigma | Eisenack, 1939 | Eunicida Incertae Familiae | | |
| 14719 | Species | Palaeosigma silurica | Eisenack, 1939 | Palaeosigma | | |
| 14720 | Species | Palaeosigma undulosa | Eisenack, 1970 | Palaeosigma | Paadla Stage | Paadla Stage |
| 13926 | Genus | Paleoenonites | Eller, 1942 | Eunicida Incertae Familiae | | |
| 14721 | Species | Paleoenonites accuratus | Eller, 1942 | Paleoenonites | | |
| 14722 | Species | Paleoenonites acutus | Eller, 1945 | Paleoenonites | | |
| 14723 | Species | Paleoenonites alpenaensis | Eller, 1938 | Paleoenonites | | |
| 14724 | Species | Paleoenonites andaculus | Eller, 1955 | Paleoenonites | | |
| 14725 | Species | Paleoenonites angiportus | Eller, 1955 | Paleoenonites | | |
| 14726 | Species | Paleoenonites arcuatellus | Eller, 1945 | Paleoenonites | | |
| 14727 | Species | Paleoenonites armigerus | Eller, 1955 | Paleoenonites | | |
| 14728 | Species | Paleoenonites auctificus | Eller, 1955 | Paleoenonites | | |
| 14729 | Species | Paleoenonites castigatus | Eller, 1945 | Paleoenonites | | |
| 14730 | Species | Paleoenonites cippus | Eller, 1961 | Paleoenonites | | |
| 14731 | Species | Paleoenonites circulus | Eller, 1961 | Paleoenonites | | |
| 14732 | Species | Paleoenonites circumscriptus | Eller, 1945 | Paleoenonites | | |
| 14733 | Species | Paleoenonites clinatus | Eller, 1945 | Paleoenonites | | |
| 14734 | Species | Paleoenonites commodus | Eller, 1961 | Paleoenonites | | |
| 14735 | Species | Paleoenonites comptus | Eller, 1945 | Paleoenonites | | |
| 14736 | Species | Paleoenonites curtilobus | Eller, 1961 | Paleoenonites | | |
| 14737 | Species | Paleoenonites curvilineatus | Eller, 1961 | Paleoenonites | | |
| 14738 | Species | Paleoenonites davisae | Eller, 1945 | Paleoenonites | | |
| 14739 | Species | Paleoenonites decrescens | Taugourdeau, 1968 | Paleoenonites | | |
| 14740 | Species | Paleoenonites deltoides | Eller, 1963a | Paleoenonites | | |
| 14741 | Species | Paleoenonites dillae | Eller, 1945 | Paleoenonites | | |
| 14742 | Species | Paleoenonites discrepans | Eller, 1969 | Paleoenonites | | |
| 14743 | Species | Paleoenonites dubius | Sylvester, 1959 | Paleoenonites | | |
| 14744 | Species | Paleoenonites edentulus | Eller, 1942 | Paleoenonites | | |
| 14745 | Species | Paleoenonites editus | Eller, 1963b | Paleoenonites | | |
| 14746 | Species | Paleoenonites exsertus | Eller, 1963b | Paleoenonites | | |
| 14747 | Species | Paleoenonites flaccidus | Eller, 1964 | Paleoenonites | | |
| 14748 | Species | Paleoenonites flexuosus | Eller, 1964 | Paleoenonites | | |
| 14749 | Species | Paleoenonites formosus | Eller, 1964 | Paleoenonites | | |
| 14750 | Species | Paleoenonites frickei | Eller, 1945 | Paleoenonites | | |
| 14751 | Species | Paleoenonites geometricus | Eller, 1964 | Paleoenonites | | |
| 14752 | Species | Paleoenonites henryi | Eller, 1945 | Paleoenonites | | |
| 14753 | Species | Paleoenonites hexadactylus | Eller, 1964 | Paleoenonites | | |
| 14754 | Species | Paleoenonites hiulcus | Eller, 1964 | Paleoenonites | | |
| 14755 | Species | Paleoenonites incurvus | Eller, 1964 | Paleoenonites | | |
| 14756 | Species | Paleoenonites indentus | Eller, 1964 | Paleoenonites | | |
| 14757 | Species | Paleoenonites informis | Eller, 1964 | Paleoenonites | | |
| 14758 | Species | Paleoenonites infundibulus | Eller, 1969 | Paleoenonites | | |
| 14759 | Species | Paleoenonites inops | Eller, 1964 | Paleoenonites | | |
| 14760 | Species | Paleoenonites insperatus | Eller, 1964 | Paleoenonites | | |
| 14761 | Species | Paleoenonites jansonii | Jansonius & Craig, 1971 | Paleoenonites | | |
| 14764 | Species | Paleoenonites lacertosus | Eller, 1964 | Paleoenonites | | |
| 14765 | Species | Paleoenonites lacinatus | Eller, 1964 | Paleoenonites | | |
| 14762 | Species | Paleoenonites laeoarmigerus | Jansonius & Craig, 1971 | Paleoenonites | | |
| 14766 | Species | Paleoenonites langi | Taugourdeau, 1968 | Paleoenonites | | |
| 14767 | Species | Paleoenonites latidorsatus | Eller, 1964 | Paleoenonites | | |
| 14768 | Species | Paleoenonites latimarginatus | Eller, 1964 | Paleoenonites | | |
| 14769 | Species | Paleoenonites latissimus | Eller, 1942 | Paleoenonites | | |
| 14770 | Species | Paleoenonites latissimus (sic) | Eller, 1964 | Paleoenonites | | |
| 14771 | Species | Paleoenonites limulurus | Eller, 1964 | Paleoenonites | | |
| 14772 | Species | Paleoenonites lituus | Eller, 1964 | Paleoenonites | | |
| 14773 | Species | Paleoenonites parallelus | Eller, 1944 | Paleoenonites | | |
| 14775 | Species | Paleoenonites pennatus | Eller, 1945 | Paleoenonites | | |
| 14776 | Species | Paleoenonites semicircularis | Taugourdeau, 1970 | Paleoenonites | | |
| 14777 | Species | Paleoenonites sylvesteri | Taugourdeau, 1970 | Paleoenonites | | |
| 14778 | Species | Paleoenonites triangularis | Taugourdeau, 1970 | Paleoenonites | | |
| 14763 | Species | Paleoenonites? jekhowskyi | Taugourdeau, 1968 | Paleoenonites | | |
| 14774 | Species | Paleoenonites? pecten | Taugourdeau, 1968 | Paleoenonites | | |
| 13927 | Genus | Paleonereites | Stauffer, 1933 | Eunicida Incertae Familiae | | |
| 14779 | Species | Paleonereites aequidentatus | Kozur, 1967 | Paleonereites | | |
| 14780 | Species | Paleonereites cervicornis | Stauffer, 1933 | Paleonereites | | |
| 13928 | Genus | Palurites | Kozur, 1967 | Eunicida Incertae Familiae | | |
| 14781 | Species | Palurites separatus | Kozur, 1967 | Palurites | | |
| 13929 | Genus | Paraglycerites | Eisenack, 1939 | Eunicida Incertae Familiae | | |
| 14782 | Species | Paraglycerites antedentatus | Eisenack, 1939 | Paraglycerites | | |
| 14783 | Species | Paraglycerites necans | Eisenack, 1939 | Paraglycerites | | |
| 13930 | Genus | Paranereites | Eisenack, 1939 | Eunicida Incertae Familiae | | |
| 14784 | Species | Paranereites balticus | Eisenack, 1939 | Paranereites | | |
| 1090 | Genus | Pararamphoprion | Männil et Zaslavskaya, 1985 | Ramphoprionidae | | |
| 2113 | Species | Pararamphoprion matusevichi | Hints, 1998 | Pararamphoprion | | |
| 2145 | Species | Pararamphoprion urbaneki | (Kielan-Jaworowska, 1966) | Pararamphoprion | | |
| 1102 | Genus | Paulinites | Lange, 1947 | Paulinitidae | | |
| 14786 | Species | Paulinites caniuensis | Lange, 1950 | Paulinites | | |
| 14787 | Species | Paulinites gladiatus | Kielan-Jaworowska, 1966 | Paulinites | | |
| 14788 | Species | Paulinites paranaensis | Lange, 1947 | Paulinites | | |
| 14789 | Species | Paulinites polonesis | Kielan-Jaworowska, 1966 | Paulinites | | |
| 13932 | Genus | Pernerites | Zebera, 1935 | Eunicida Incertae Familiae | | |
| 14790 | Species | Pernerites giganteus | Zebera, 1935 | Pernerites | | |
| 1092 | Genus | Pistoprion | Kielan-Jaworowska, 1966 | Mochtyellidae | Ordovician | Silurian |
| 2116 | Species | Pistoprion transitans | Kielan-Jaworowska, 1966 | Pistoprion | Haljala Stage | Silurian |
| 13934 | Genus | Pollagenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14792 | Species | Pollagenys aequilateralis | Eller, 1955 | Pollagenys | | |
| 14793 | Species | Polychaetaspis aequilateralis | Kielan-Jaworowska, 1966 | Polychaetaspis | | |
| 14794 | Species | Polychaetaspis gadomskae | Kielan-Jaworowska, 1966 | Polychaetaspis | | |
| 14795 | Species | Polychaetaspis incisus | Kielan-Jaworowska, 1966 | Polychaetaspis | | |
| 14796 | Species | Polychaetaspis inconstans | Kielan-Jaworowska, 1966 | Polychaetaspis | | |
| 14798 | Species | Polychaetaspis latus | Kielan-Jaworowska, 1966 | Polychaetaspis | | |
| 14799 | Species | Polychaetaspis oklahomensis | Taugourdeau, 1969 | Polychaetaspis | | |
| 14800 | Species | Polychaetaspis tuberculatus | Kielan-Jaworowska, 1966 | Polychaetaspis | | |
| 14801 | Species | Polychaetaspis varsoviensis | Kielan-Jaworowska, 1966 | Polychaetaspis | | |
| 14802 | Species | Polychaetaspis warkae | Kozłowski, 1956 | Polychaetaspis | | |
| 14797 | Species | Polychaetaspis? kozlowskii | Walliser, 1960 | Polychaetaspis | | |
| 1086 | Genus | Polychaetura | Kozłowski, 1956 | Polychaeturidae | | |
| 14965 | Species | Polychaetura kielanae | Hints, 1998 | Polychaetura | | |
| 13937 | Genus | Porrhogenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14805 | Species | Porrhogenys indenta | Eller, 1964 | Porrhogenys | | |
| 13938 | Genus | Potterigenys | Jansonius et Craig, 1971 | Eunicida Incertae Familiae | | |
| 14806 | Species | Potterigenys scrobicula | Eller, 1944 | Potterigenys | | |
| 13939 | Genus | Praeglycera | Kozur, 1970 | Eunicida Incertae Familiae | | |
| 14807 | Species | Praeglycera troegeri | Kozur, 1970 | Praeglycera | | |
| 13940 | Genus | Pronereites | Stauffer, 1933 | Eunicida Incertae Familiae | | |
| 14808 | Species | Pronereites naviculiformis | Zebera, 1935 | Pronereites | | |
| 14809 | Species | Pronereites primus | Stauffer, 1933 | Pronereites | | |
| 1710 | Genus | Protarabellites | Stauffer, 1933 | Ramphoprionidae | | |
| 14810 | Species | Protarabellites augustus | Tasch & Stude, 1966 | Protarabellites | | |
| 14811 | Species | Protarabellites canadensis | Stauffer, 1939 | Protarabellites | | |
| 14812 | Species | Protarabellites concavus | Stauffer, 1933 | Protarabellites | | |
| 14813 | Species | Protarabellites delectus | Stauffer, 1933 | Protarabellites | | |
| 14814 | Species | Protarabellites diminutus | Stauffer, 1939 | Protarabellites | | |
| 14815 | Species | Protarabellites dubius | Stauffer, 1933 | Protarabellites | | |
| 14816 | Species | Protarabellites excelsus | Stauffer, 1939 | Protarabellites | | |
| 14817 | Species | Protarabellites fidelis | Stauffer, 1933 | Protarabellites | | |
| 14818 | Species | Protarabellites giganteus | Stauffer, 1939 | Protarabellites | | |
| 14819 | Species | Protarabellites glenwoodensis | Stauffer, 1933 | Protarabellites | | |
| 14820 | Species | Protarabellites grandis | Stauffer, 1933 | Protarabellites | | |
| 14821 | Species | Protarabellites hamiltonensis | Stauffer, 1939 | Protarabellites | | |
| 14822 | Species | Protarabellites humilis | Stauffer, 1933 | Protarabellites | | |
| 14823 | Species | Protarabellites intermedius | Stauffer, 1933 | Protarabellites | | |
| 14824 | Species | Protarabellites maturensis | Stauffer, 1933 | Protarabellites | | |
| 14825 | Species | Protarabellites productus | Stauffer, 1933 | Protarabellites | | |
| 3460 | Species | Protarabellites rectangularis | Eriksson, 2001 | Protarabellites | Sheinwoodian | Ludfordian |
| 3461 | Species | Protarabellites staufferi | Eriksson, 2001 | Protarabellites | Telychian | Ludfordian |
| 14826 | Species | Protarabellites tortilis | Kozur, 1967 | Protarabellites | | |
| 3462 | Species | Protarabellites triangularis | Eriksson, 2001 | Protarabellites | Sheinwoodian | Ludfordian |
| 1091 | Genus | Pteropelta | Eisenack, 1939 | Polychaeturidae | Volkhov Stage | Llandovery |
| 2120 | Species | Pteropelta gladiata | Eisenack, 1939 | Pteropelta | Volkhov Stage | Juuru Stage |
| 14828 | Species | Pteropelta glossa | Eisenack, 1939 | Pteropelta | | |
| 2659 | Species | Pteropelta huberti | Hints et Eriksson, 2010 | Pteropelta | Kukruse Stage | Pirgu Stage |
| 2114 | Species | Pteropelta kielanae | (Hints, 1998) | Pteropelta | Haljala Stage | Keila Stage |
| 2140 | Species | Pteropelta sp. A | Hints, 1998 | Pteropelta | | |
| 14829 | Species | Pteropelta thomsoni | Eisenack, 1939 | Pteropelta | | |
| 1494 | Genus | Rakvereprion | Mierzejewski, 1978 | Eunicida Incertae Familiae | | |
| 2871 | Species | Rakvereprion balticus | (Eisenack, 1975) | Rakvereprion | Upper Ordovician | Upper Ordovician |
| 1084 | Genus | Ramphoprion | Kielan-Jaworowska, 1962 | Ramphoprionidae | | |
| 2107 | Species | Ramphoprion bialatus | Hints, 1998 | Ramphoprion | Upper Ordovician | Upper Ordovician |
| 2141 | Species | Ramphoprion elongatus | Kielan-Jaworowska, 1962 | Ramphoprion | | |
| 20844 | Species | Ramphoprion gotlandensis | Eriksson, 2001 | Ramphoprion | | |
| 2109 | Species | Ramphoprion peterburgensis | Hints, 1998 | Ramphoprion | | |
| 13943 | Genus | Rhamphegenys | Jansonius & Craig, 1971 | Eunicida Incertae Familiae | | |
| 14830 | Species | Rhamphegenys whiteae | Eller, 1945 | Rhamphegenys | | |
| 1094 | Genus | Rhytiprion | Kielan-Jaworowska, 1966 | Rhytiprionidae | | |
| 2119 | Species | Rhytiprion magnus | Kielan-Jaworowska, 1966 | Rhytiprion | Middle Ordovician | Silurian |
| 15044 | Genus | Sciotoprion | Boyer, 1975 | Sciotoprionidae | Devonian | Carboniferous |
| 15045 | Species | Sciotoprion klondikensis | Boyer, 1975 | Sciotoprion | Devonian | Devonian |
| 13946 | Genus | Siluropelta | Eisenack, 1939 | Eunicida Incertae Familiae | | |
| 14834 | Species | Siluropelta accomoda | Eller, 1955 | Siluropelta | | |
| 14835 | Species | Siluropelta asymmetrica | Eisenack, 1939 | Siluropelta | | |
| 14836 | Species | Siluropelta baltica | Eisenack, 1939 | Siluropelta | | |
| 14837 | Species | Siluropelta calcarata | Eisenack, 1945 | Siluropelta | | |
| 14838 | Species | Siluropelta crassecaulis | Eller, 1969 | Siluropelta | | |
| 14839 | Species | Siluropelta dejecta | Eller, 1963a | Siluropelta | | |
| 14840 | Species | Siluropelta elongata | Eisenack, 1970 | Siluropelta | | |
| 14841 | Species | Siluropelta incurvata | Eisenack, 1939 | Siluropelta | | |
| 14842 | Species | Siluropelta jacula | Eller, 1964 | Siluropelta | | |
| 14843 | Species | Siluropelta laevicula | Eller, 1964 | Siluropelta | | |
| 14844 | Species | Siluropelta lata | Eisenack, 1939 | Siluropelta | | |
| 14845 | Species | Siluropelta regalis | Eisenack, 1939 | Siluropelta | | |
| 14846 | Species | Siluropelta regalis f. rhombica | Eisenack, 1939 | Siluropelta | | |
| 14847 | Species | Siluropelta triangula | Eisenack, 1939 | Siluropelta | | |
| 1106 | Genus | Skalenoprion | Kielan-Jaworowska, 1962 | Skalenoprionidae | | |
| 2363 | Species | Skalenoprion alatus | Kielan-Jaworowska, 1962 | Skalenoprion | | |
| 2362 | Species | Skalenoprion bugensis | Szaniawski, 1970 | Skalenoprion | | |
| 2365 | Species | Skalenoprion denticulatus | Männil et Zaslavskaya, 1985 | Skalenoprion | | |
| 20815 | Genus | Spitiprion | Tonarová, Suttner et Hints, 2024 | Ramphoprionidae | Ordovician | Ordovician |
| 20816 | Genus | Spitiprion khannai | Tonarová, Suttner et Hints, 2024 | Spitiprion | Ordovician | Ordovician |
| 13948 | Genus | Staurocephalites | Hinde, 1879 | Eunicida Incertae Familiae | | |
| 14851 | Species | Staurocephalites absis | Eller, 1945 | Staurocephalites | | |
| 14852 | Species | Staurocephalites acutidentatus | Stauffer, 1933 | Staurocephalites | | |
| 14853 | Species | Staurocephalites admirabilis | Eller, 1945 | Staurocephalites | | |
| 14854 | Species | Staurocephalites aduncus | Eller, 1945 | Staurocephalites | | |
| 14855 | Species | Staurocephalites aequemarginalis | Eller, 1955 | Staurocephalites | | |
| 14856 | Species | Staurocephalites aequilateralis | Eller, 1955 | Staurocephalites | | |
| 14857 | Species | Staurocephalites agriodos | Eller, 1945 | Staurocephalites | | |
| 14858 | Species | Staurocephalites alterostris | Eller, 1955 | Staurocephalites | | |
| 14859 | Species | Staurocephalites antiquus | Stauffer, 1933 | Staurocephalites | | |
| 14860 | Species | Staurocephalites apicatus | Eller, 1969 | Staurocephalites | | |
| 14861 | Species | Staurocephalites appositus | Eller, 1945 | Staurocephalites | | |
| 14862 | Species | Staurocephalites arcuatus | Taugourdeau, 1968 | Staurocephalites | | |
| 14864 | Species | Staurocephalites articulatus | Eller, 1955 | Staurocephalites | | |
| 14865 | Species | Staurocephalites bijugus | Eller, 1945 | Staurocephalites | | |
| 14866 | Species | Staurocephalites calcaratus | Taugourdeau, 1968 | Staurocephalites | | |
| 14867 | Species | Staurocephalites caniniferus | Taugourdeau, 1970 | Staurocephalites | | |
| 14868 | Species | Staurocephalites clivus | Eller, 1961 | Staurocephalites | | |
| 14869 | Species | Staurocephalites concavus | Taugourdeau, 1970 | Staurocephalites | | |
| 14870 | Species | Staurocephalites condensus | Eller, 1961 | Staurocephalites | | |
| 14871 | Species | Staurocephalites cucullus | Eller, 1961 | Staurocephalites | | |
| 14872 | Species | Staurocephalites cultensis | Eller, 1967a | Staurocephalites | | |
| 14873 | Species | Staurocephalites cuneiformis | Eller, 1945 | Staurocephalites | | |
| 14874 | Species | Staurocephalites cuspis | Eller, 1942 | Staurocephalites | | |
| 14875 | Species | Staurocephalites dentatus | Stauffer, 1933 | Staurocephalites | | |
| 14876 | Species | Staurocephalites devinctus | Eller, 1946 | Staurocephalites | | |
| 14877 | Species | Staurocephalites ejectus | Eller, 1963b | Staurocephalites | | |
| 14878 | Species | Staurocephalites ellsworthensis | Eller, 1969 | Staurocephalites | | |
| 14879 | Species | Staurocephalites eucharis | Eller, 1963b | Staurocephalites | | |
| 14880 | Species | Staurocephalites externus | Eller, 1944 | Staurocephalites | | |
| 14881 | Species | Staurocephalites fortrileyensis | Tasch & Stude, 1966 | Staurocephalites | | |
| 14882 | Species | Staurocephalites fractus | Eller, 1964 | Staurocephalites | | |
| 14883 | Species | Staurocephalites fraternus | Eller, 1964 | Staurocephalites | | |
| 14884 | Species | Staurocephalites heppenstallae | Eller, 1945 | Staurocephalites | | |
| 14885 | Species | Staurocephalites icosidactylus | Eller, 1964 | Staurocephalites | | |
| 14886 | Species | Staurocephalites inclinatus | Eller, 1964 | Staurocephalites | | |
| 14887 | Species | Staurocephalites insolens | Eller, 1964 | Staurocephalites | | |
| 14888 | Species | Staurocephalites invisitatus | Eller, 1969 | Staurocephalites | | |
| 14889 | Species | Staurocephalites kayi | Eller, 1945 | Staurocephalites | | |
| 14890 | Species | Staurocephalites kielanae | Taugourdeau, 1968 | Staurocephalites | | |
| 14892 | Species | Staurocephalites laeodevinctus | Jansonius & Craig, 1971 | Staurocephalites | | |
| 14891 | Species | Staurocephalites latibranchiatus | Eller, 1964 | Staurocephalites | | |
| 14893 | Species | Staurocephalites liratus | Eller, 1964 | Staurocephalites | | |
| 14894 | Species | Staurocephalites longirostris | Eller, 1964 | Staurocephalites | | |
| 14895 | Species | Staurocephalites longus | Eller, 1964 | Staurocephalites | | |
| 14896 | Species | Staurocephalites mccallae | Eller, 1945 | Staurocephalites | | |
| 14897 | Species | Staurocephalites mierowae | Eller, 1945 | Staurocephalites | | |
| 14898 | Species | Staurocephalites nettingi | Eller, 1945 | Staurocephalites | | |
| 14899 | Species | Staurocephalites niagarensis | Hinde, 1879 | Staurocephalites | | |
| 14900 | Species | Staurocephalites paquettensis | Eller, 1945 | Staurocephalites | | |
| 14901 | Species | Staurocephalites potoniei | Taugourdeau, 1970 | Staurocephalites | | |
| 14902 | Species | Staurocephalites pyramis | Eller, 1944 | Staurocephalites | | |
| 14903 | Species | Staurocephalites serrula | Hinde, 1880 | Staurocephalites | | |
| 14905 | Species | Staurocephalites truncatus | Eller, 1941b | Staurocephalites | | |
| 14850 | Species | Staurocephalites? absimilis | Eller, 1945 | Staurocephalites | | |
| 14863 | Species | Staurocephalites? arcus | Eller, 1945 | Staurocephalites | | |
| 14904 | Species | Staurocephalites? triplus | Eller, 1945 | Staurocephalites | | |
| 13949 | Genus | Stauronereisites | Eller, 1955 | Eunicida Incertae Familiae | | |
| 14906 | Species | Stauronereisites abditivus | Eller, 1955 | Stauronereisites | | |
| 14907 | Species | Stauronereisites adversarius | Eller, 1955 | Stauronereisites | | |
| 14908 | Species | Stauronereisites aequalis | Eller, 1955 | Stauronereisites | | |
| 14909 | Species | Stauronereisites auriculatus | Eller, 1955 | Stauronereisites | | |
| 1096 | Genus | Symmetroprion | Kielan-Jaworowska, 1966 | Symmetroprionidae | | |
| 14910 | Species | Symmetroprion reduplicatus | Kielan-Jaworowska, 1966 | Symmetroprion | | |
| 2360 | Species | Symmetroprion spatiosus | (Hinde, 1882) | Symmetroprion | | |
| 13974 | Genus | Synaptogenys | Whittle et al., 2008 | Mochtyellidae | | |
| 15000 | Species | Synaptogenys rietvleiensis | Whittle et al., 2008 | Synaptogenys | | |
| 1095 | Genus | Tetraprion | Kielan-Jaworowska, 1966 | Tetraprionidae | | |
| 2131 | Species | Tetraprion pozaryskae | Kielan-Jaworowska, 1966 | Tetraprion | | |
| 13952 | Genus | Thalenessites | Stauffer, 1933 | Eunicida Incertae Familiae | | |
| 14912 | Species | Thalenessites lobatus | Stauffer, 1933 | Thalenessites | | |
| 13953 | Genus | Thoreites | Massalongo, 1850 | Eunicida Incertae Familiae | | |
| 14913 | Species | Thoreites jani | Massalongo, 1850 | Thoreites | | |
| 1088 | Genus | Tretoprion | Hints, 1999 | Tretoprionidae | | |
| 2111 | Species | Tretoprion astae | Hints, 1999 | Tretoprion | | |
| 13954 | Genus | Ungulites | Stauffer, 1933 | Eunicida Incertae Familiae | | |
| 14914 | Species | Ungulites aculeatus | Stauffer, 1933 | Ungulites | | |
| 14915 | Species | Ungulites acutidactylus | Eller, 1955 | Ungulites | | |
| 14916 | Species | Ungulites agglomeratus | Eller, 1955 | Ungulites | | |
| 14917 | Species | Ungulites alcicornis | Eller, 1955 | Ungulites | | |
| 14918 | Species | Ungulites arquatus | Eller, 1955 | Ungulites | | |
| 14919 | Species | Ungulites astrictus | Eller, 1955 | Ungulites | | |
| 14920 | Species | Ungulites attenuatus | Eller, 1955 | Ungulites | | |
| 14921 | Species | Ungulites auctus | Eller, 1955 | Ungulites | | |
| 14922 | Species | Ungulites bicuspidatus | Stauffer, 1933 | Ungulites | | |
| 14923 | Species | Ungulites bifurcus | Eller, 1945 | Ungulites | | |
| 14924 | Species | Ungulites bourdoni | Taugourdeau, 1970 | Ungulites | | |
| 14926 | Species | Ungulites confertus | Eller, 1945 | Ungulites | | |
| 14927 | Species | Ungulites dactyliformis | Eller, 1963a | Ungulites | | |
| 14928 | Species | Ungulites fusus | Eller, 1964 | Ungulites | | |
| 14929 | Species | Ungulites glyptus | Eller, 1964 | Ungulites | | |
| 14930 | Species | Ungulites hystricosus | Stauffer, 1933 | Ungulites | | |
| 14931 | Species | Ungulites indigestus | Eller, 1964 | Ungulites | | |
| 14932 | Species | Ungulites longidentatus | Eller, 1945 | Ungulites | | |
| 14933 | Species | Ungulites lupatus | Eller, 1964 | Ungulites | | |
| 14934 | Species | Ungulites pyramydalis | Taugourdeau, 1970 | Ungulites | | |
| 14935 | Species | Ungulites spicatus | Sylvester, 1959 | Ungulites | | |
| 14936 | Species | Ungulites sumnerae | Eller, 1945 | Ungulites | | |
| 14937 | Species | Ungulites tridens | Taugourdeau, 1968 | Ungulites | | |
| 14938 | Species | Ungulites tridentatus | Stauffer, 1933 | Ungulites | | |
| 14925 | Species | Ungulites? chilalloeus | Eller, 1961 | Ungulites | | |
| 1093 | Genus | Vistulella | Kielan-Jaworowska, 1961 | Mochtyellidae | | |
| 2117 | Species | Vistulella kozlowskii | Kielan-Jaworowska, 1961 | Vistulella | | |
| 15098 | Genus | Websteroprion | Eriksson, Parry et Rudkin, 2017 | Eunicida Incertae Familiae | Devonian | Devonian |
| 15099 | Species | Websteroprion armstrongi | Eriksson, Parry et Rudkin, 2017 | Websteroprion | Emsian | Eifelian |
| 1083 | Genus | Xanioprion | Kielan-Jaworowska, 1966 | Xanioprionidae | | |
| 2128 | Species | Xanioprion borealis | Kielan-Jaworowska, 1962 | Xanioprion | | |
| 2129 | Species | Xanioprion sp. A | Hints, 1998 | Xanioprion | | |
| 2130 | Species | Xanioprion sp. B | Hints, 1998 | Xanioprion | | |
| 2106 | Species | Xanioprion viivei | Hints, 2006 | Xanioprion | Hunneberg Stage | Hunneberg Stage |
| 1105 | Genus | Xanthoprion | Kielan-Jaworowska, 1966 | Atraktoprionidae | | |
| 14941 | Species | Xanthoprion erraticus | Kielan-Jaworowska, 1966 | Xanthoprion | | |