Cornwallis Formation
36 distinct taxa, from 51 fossil occurrences the Paleobiology Database records under this name, spanning 227–206 Mya.
Alaska · US
36 taxa · 51 fossils · 227–206 MyaLoading coastlines…
5 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
- Pseudospondylospira perplexa
- Ampakabastraea cowichanensis
- Crassistella juvavica
- Distichophyllia norica
- Gablonzeria profunda
- Kuhnastraea decussata
- Pamiroseris meriani
- Spiriferina
- Spondylospira lewesensis
- Amblysiphonella
- Astraeomorpha crassisepta
- Bivalvia
- Crassistella
- Dagyspirifer fascicostata
- Distichomeandra
- Distichomeandra austriaca
- Distichomeandra minor
- Gastropoda
- Kompsasteria oligocystis
- Margarosmilia richthofeni
- Meandrostylis grandiseptus
- Nevadathalamia cylindrica
- Nevadathalamia minima
- Ostrea
- Pamiroseris borealis
- Paracuifia jennieae
- Parauvanella ferdowsensis
- Plantae
- Porifera
- Pteria
- Retiophyllia frechi
- Retiophyllia norica
- Retiophyllia robusta
- Stellispongia subsphaerica
- Stylophyllum pygmaeum
- Terebratula
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.