Biological taxa that first appeared during the Cisuralian epoch of geologic time, between 298.9 and 272.3 million years ago during the Early/Lower Permian period.
This category has the following 3 subcategories, out of 3 total.
The following 27 pages are in this category, out of 27 total. This list may not reflect recent changes.
Biological taxa that first appeared during the Cisuralian epoch of geologic time, between 298.9 and 272.3 million years ago during the Early/Lower Permian period.
This category has the following 3 subcategories, out of 3 total.
The following 27 pages are in this category, out of 27 total. This list may not reflect recent changes.