Category:Norian first appearances
This category includes biological taxa of rank more inclusive than genus that evolved during the Norian age of geologic time, between 228 and 208.5 million years ago, as well as genera and species that evolved during this time and persisted across multiple geological ages.
Subcategories
This category has only the following subcategory.
G
Pages in category "Norian first appearances"
The following 23 pages are in this category, out of 23 total. This list may not reflect recent changes.