Biological taxa that first appeared during the Anisian Age, the geologic time, between 247.2 and 242 million years ago, during the Middle Triassic Epoch.
Subcategories
This category has the following 2 subcategories, out of 2 total.
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Pages in category "Anisian first appearances"
The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes.