Category:Chattian first appearances
From Infogalactic: the planetary knowledge core
This category includes biological taxa of rank more inclusive than genus that evolved during the Chattian age of geologic time, between 28.1 and 23 million years ago, as well as genera and species that evolved during this time and persisted across multiple geological ages.
| Preceded by Proterozoic Eon | Phanerozoic Eon | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paleozoic Era | Mesozoic Era | Cenozoic Era | ||||||||||
| Cambrian | Ordovician | Silurian | Devonian | Carboniferous | Permian | Triassic | Jurassic | Cretaceous | Paleogene | Neogene | 4ry | |
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See also
Pages in category "Chattian first appearances"
The following 20 pages are in this category, out of 20 total.
