Biandanshan Formation
15 distinct taxa, from 17 fossil occurrences the Paleobiology Database records under this name, spanning 249–247 Mya.
Anhui · CN
15 taxa · 17 fossils · 249–247 MyaLoading coastlines…
1 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
- Claraia
- Arnautoceltites subglobosus
- Aspenites chaoxianensis
- Columbites
- Juvenites
- Nordophiceras chaoxianense
- Promyalina putiatinensis
- Sibirites crassicostatus
- Sibirites eichwaldi
- Subcolumbites
- Subcolumbites chaohuensis
- Subcolumbites chaoxianensis
- Subcolumbites perrinismithi
- Tirolites jiangsuensis
- Tirolites latiumbilicatus
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.