Cooper Canyon Formation
75 distinct taxa, from 120 fossil occurrences the Paleobiology Database records under this name, spanning 227–206 Mya.
Texas · US
75 taxa · 120 fossils · 227–206 MyaFiled under the Dockum Group. Members recorded: 12-13.
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7 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Phytosauria
- Metoposauridae
- Shuvosauridae
- Typothorax coccinarum
- Drepanosauridae
- Neotheropoda
- Saurischia
- Theropoda
- Trilophosaurus
- Archosauriformes
- Archosauromorpha
- Dicynodontia
- Dinosauriformes
- Dromomeron
- Herrerasauridae
- Machaeroprosopus
- Malerisaurus
- Paratypothoracisini
- Rileymillerus cosgriffi
- Shuvosaurus inexpectatus
- Sphenodontia
- Trilophosaurus buettneri
- Trilophosaurus jacobsi
- Actinopterygii
- Aetosauria
- Aetosaurinae
- Apachesaurus gregorii
- Argodicynodon boreni
- Bivalvia
- Calyptosuchus wellesi
- Clevosauridae
- Coelophysis
- Desmatosuchinae
- Desmatosuchus smalli
- Dinosauria
- Dinosauromorpha
- Doswellia
- Dromomeron gregorii
- Dromomeron romeri
- Garzapelta muelleri
The 40 most often recorded, of 75.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.