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 the following 2 subcategories, out of 2 total.
M
- Massospondylidae (10 P)
S
Pages in category "Norian first appearances"
The following 27 pages are in this category, out of 27 total. This list may not reflect recent changes.
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 the following 2 subcategories, out of 2 total.
M
- Massospondylidae (10 P)
S
Pages in category "Norian first appearances"
The following 27 pages are in this category, out of 27 total. This list may not reflect recent changes.