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Berriasian
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Berriasian".
In the geologic timescale, Berriasian is a stage of the Early Cretaceous epoch, and the first of the entire Cretaceous period. It spanned between 145.5 ± 4.0 Ma and 140.2 ± 3.0 Ma (million years ago). The Berriasian stage succeeds the Tithonian stage of the Late Jurassic epoch and precedes the Valanginian stage of the Early Cretaceous epoch.
Fauna
Birds
| Birds of the Berriasian |
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Crocodylomorphs
| Crocodylomorphs of the Berriasian |
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Ornithopods
| Ornithopods of the Berriasian |
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Pterosaurs
| Pterosaurs of the Berriasian |
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Sauropods
| Sauropods of the Berriasian |
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Theropods (non-avian)
Footnotes
- ^ a b Only known from this stage.
- ^ a b c d e f g Dating uncertain.
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