- Biological taxa that first appeared during the Guadalupian epoch of geologic time — between 272.3 and 259.8 million years ago, during the Middle Permian Period.
Subcategories
This category has the following 3 subcategories, out of 3 total.
C
G
W
Pages in category "Guadalupian first appearances"
The following 50 pages are in this category, out of 50 total. This list may not reflect recent changes.