Niranohama Formation
25 distinct taxa, from 39 fossil occurrences the Paleobiology Database records under this name, spanning 201–200 Mya.
Miyagi · JP
25 taxa · 39 fossils · 201–200 MyaFiled under the Shizukawa Group. Members recorded: Upper.
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
- Eomiodon
- Geratrigonia hosourensis
- Yokoyamaina hayamii
- Bakevellia trigona
- Cosmetodon
- Cuspidaria
- Pteria kitakamiensis
- Vaugonia (Vaugonia)
- Vaugonia niranohamensis
- Asteracanthus
- Burmesia
- Camptonectes (Camptonectes)
- Coelastarte
- Cucullaea (Idonearca)
- Geratrigonia
- Gervillia (Cultriopsis)
- Grammatodon (Indogrammatodon)
- Isognomon (Isognomon)
- Modiolus
- Orthotrigonia
- Thracia
- Trigonia
- Vaugonia (Hijitrigonia)
- Volsella bakevelloides
- Yebisites onoderai
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.