Category:Maastrichtian first appearances
From Infogalactic: the planetary knowledge core
- Biological taxa that first appeared during the Maastrichtian age of geologic time — between 72.1 and 66 million years ago during the Late Cretaceous period.
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| Preceded by Proterozoic Eon | Phanerozoic Eon | |||||||||||
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| Paleozoic Era | Mesozoic Era | Cenozoic Era | ||||||||||
| Cambrian | Ordovician | Silurian | Devonian | Carboniferous | Permian | Triassic | Jurassic | Cretaceous | Paleogene | Neogene | 4ry | |
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Pages in category "Maastrichtian first appearances"
The following 4 pages are in this category, out of 4 total.
