Category:Early Devonian first appearances
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Here is a list of articles in the category Early Devonian first appearances of the Biology portal. Biological taxa that first appeared during the Early Devonian epoch, the geologic time between 419.2 and 393.3 million years ago, during the Devonian Period.
Pages in category "Early Devonian first appearances"
The following 80 pages are in this category, out of 80 total.
