(geology) The late epoch of the Cretaceous period of geologic time, beginning about 90 million years ago.
Upper Cretaceous
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(′əp·ər kri′tā·shəs)
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 | Campanian (geology) |
| Ammanian (geology) |
| Cenomanian (geology) |
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 | What is a duck-billed dinosaur of the upper cretaceous era? |
| What is a Bipedal dinosaur of upper cretaceous era? |
| What is a Bipedal dinosaur of the upper cretaceous era? |
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Mentioned in
- Campanian (geology)
- Ammanian (geology)
- Cenomanian (geology)
- Coloradoan (geology)
- Dakotan (geology)
- Angoumian (geology)
- turonian
- Ceratopsia (paleontology)
- senonian
- Comanchean (geology)
- Gulfian (geology)
- Maestrichtian (geology)
- Navarroan (paleontology)
- Santonian (geology)
