Category:Early Ordovician first appearances

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Handwiki book24.pngBiology portal

Here is a list of articles in the category Early Ordovician first appearances of the Biology portal. Biological taxa that first appeared during the Early Ordovician epoch of geologic time, between 485.4 and 470 million years ago. Template:Geological category see also

Pages in category "Early Ordovician first appearances"

This category contains only the following page.