Category:Berriasian first appearances
Biological taxa that first appeared during the Berriasian Age, the geologic time between 145 and 139.8 million years ago during the Early Cretaceous era of the Cretaceous Period in the Mesozoic Era.
Subcategories
This category has the following 2 subcategories, out of 2 total.
Pages in category "Berriasian first appearances"
The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes.