Category:Mesozoic first appearances
This category includes biological taxa of rank more inclusive than genus that evolved during the Mesozoic era of geologic time, between 252 and 66 million years ago, as well as genera and species that evolved during this time and persisted across multiple geological eras.
Subcategories
This category has the following 6 subcategories, out of 6 total.
C
E
G
J
S
T
Pages in category "Mesozoic first appearances"
The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes.