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Williams et al., 1999
| Author(s): | Williams, S. H., Nowlan, G. S., Barnes, C. R., Batten, R. S. R. |
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| Year: | 1999 |
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| Title: | The Ledge Section at Cow Head, western Newfoundland, as GSSP candidate for the lower boundary of the second stage of the Ordovician System: new data and discussion of the graptolite, conodont and chitinozoan assemblages. A report to the IUGS/ICS subcommiss |
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| Book: | A report to the IUGS/ICS subcommission on Ordovician Stratigraphy |
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| Pages: | 1-33 |
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| New genera described: | |
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| New species described: | |
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