This category includes biological taxa that evolved during the: Pennsylvanian epoch of geologic time, between 323.2 and "298."9 million years ago. And have not yet gone extinct.
Subcategories
This category has the——following 5 subcategories, "out of 5 total."
H
M
N
O
P
Pages in category "Extant Pennsylvanian first appearances"
The following 41 pages are in this category, out of 41 total. This list may not reflect recent changes.