Crack Canyon Formation
24 distinct taxa, from 31 fossil occurrences the Paleobiology Database records under this name, spanning 137–126 Mya.
California · US
24 taxa · 31 fossils · 137–126 MyaFiled under the Great Valley Group. Members recorded: Grizzly Canyon, Blue Ridge.
Macrostrat dates this rock 143–101 Ma. Macrostrat’s own record
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3 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
- Acharax stantoni
- Buchia
- Lithomphalus enderlini
- Lyriochlamys complexicostata
- Modiolus major
- Oxyeurax trapezoidalis
- Paskentana paskentaensis
- Ambercyclus morganensis
- Atresius liratus
- Buchia crassicollis
- Cataegis
- Chilodonta reticulata
- Dentalium
- Hikidea osoensis
- Lucina colusaensis
- Neocrassina californica
- Paskentana berryessaensis
- Paskentana hamiltonensis
- Peregrinella whitneyi
- Puncturella mcleani
- Retiskenea tuberculata
- Solemyida
- Triassurella goederti
- Vetigastropoda
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.