Category:Early Ordovician extinctions
From HandWiki
Here is a list of articles in the category Early Ordovician extinctions of the Biology portal. Biological taxa that went extinct during the Early Ordovician epoch of geologic time, between 485.4 and 470 million years ago.
Subcategories
This category has only the following subcategory.
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Pages in category "Early Ordovician extinctions"
The following 16 pages are in this category, out of 16 total.
