Yokoyama Formation
23 distinct taxa, from 51 fossil occurrences the Paleobiology Database records under this name, spanning 264–260 Mya.
Recorded under country code JP
23 taxa · 51 fossils · 264–260 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
- Hemigordius
- Nankinella
- Tetrataxis
- Kahlerina ussurica
- Lantschichites cuniculata
- Lepidolina maizurensis
- Pachyphloia
- Pachyphloia ovata
- Palaeotextulariidae
- Chusenella
- Climacammina valvulinoides
- Geinitzina
- Nankinella inflata
- Parafusulina
- Sichotenella
- Abadehella coniformis
- Agathammina
- Baisalina
- Dunbarula
- Ichthyolariidae
- Lasiodiscus
- Pseudoglomospira
- Yabeina higoensis
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.