Biological taxa that first appeared during the Aptian age, the geologic time, between 125 and 113 million years ago, in the Early Cretaceous era of the Cretaceous Period, Mesozoic Era.
Subcategories
This category has the following 4 subcategories, out of 4 total.
Pages in category "Aptian first appearances"
The following 21 pages are in this category, out of 21 total. This list may not reflect recent changes.