Category:Early Devonian first appearances
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.
Subcategories
This category has the following 3 subcategories, out of 3 total.
Pages in category "Early Devonian first appearances"
The following 77 pages are in this category, out of 77 total. This list may not reflect recent changes.