Nehenta Formation
65 distinct taxa, from 87 fossil occurrences the Paleobiology Database records under this name, spanning 227–215 Mya.
Alaska · US
65 taxa · 87 fossils · 227–215 MyaMacrostrat places this rock in the Hyd Group, and dates it 237–201 Ma. Macrostrat’s own record
Loading coastlines…
4 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
- Palaeastraea
- Spongiomorpha (Heptastylopsis) gibbosa
- Anthozoa
- Ceriostella parva
- Elysastraea profunda
- Gastropoda
- Halobia
- Meandrostylis vancouverensis
- Myophoria
- Paracuifia smithi
- Pecten
- Pectinoidea
- Purpurina gravinaensis
- Retiophyllia delicatula
- Retiophyllia fenestrata
- Spiriferida
- Terebratulida
- Ampakabastraea cowichanensis
- Arcestes
- Areaseris
- Astarte
- Astraeomorpha confusa
- Astraeomorpha crassisepta
- Bivalvia
- Brachiopoda
- Bryozoa
- Carditacea
- Cassianella
- Cassianella gravinaensis
- Ceriostella martini
- Crassistella juvavica
- Crinoidea
- Cuifia marmorea
- Curtoseris dunlapcanyonae
- Distichophyllia norica
- Echinoidea
- Elysastraea
- Eocomoseris ramosa
- Gablonzeria grandiosa
- Kuhnastraea incrassata
The 40 most often recorded, of 65.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.