This category includes biological taxa of rank more inclusive than genus that went extinct 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.
See also
editPages in category "Norian extinctions"
The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes.