Category:Maastrichtian first appearances
Biological taxa that first appeared during the Maastrichtian age of geologic time, between 72.1 and 66 million years ago during the Late Cretaceous period.
Subcategories
This category has the following 3 subcategories, out of 3 total.
Pages in category "Maastrichtian first appearances"
The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes.