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The Canadian System (Period) as proposed by Flower (1957)
Source info:
| Author: | Kevin |
|---|---|
| Date: | 2021-12-05 21:57:00 |
| Blog: | Ammonoidea  |
| URL: | http://ammonoidea.blogspot.com/2021/12/the-canadian-system-period-as-proposed.html |
Summary:
Because the Cephalopods were so different, Rousseau H. Flower wrote proposing the Canadian System with four divisions of unspecified rank (Flower 1957 p. 17). Quoting from Flower:"Faunally, the Canadian is relatively isolated from the Ordovician above and is characterized by stocks of its own. In the cephalopods..., the Canadian-Ordovician boundary involves changes never lower than of genericContent analysis:
Keywords:
Biostratigraphy
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