Akasaka Formation
192 distinct taxa, from 886 fossil occurrences the Paleobiology Database records under this name, spanning 283–254 Mya.
Recorded under country code JP
192 taxa · 886 fossils · 283–254 MyaMembers recorded: Middle.
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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
- Dunbarula oviformis
- Parafusulina japonica
- Neofusulinella phairayensis
- Neoschwagerina craticulifera
- Parafusulina yoshiakiozawai
- Pseudodoliolina ozawai
- Chusenella schwagerinaeformis
- Codonofusiella ashioensis
- Yabeina globosa
- Yangchienia compressa
- Cancellina postnipponica
- Toriyamaia laxiseptata
- Armenina akasakensis
- Nankinella
- Cancellina nipponica
- Nankinella kawadai
- Neofusulinella giraudi
- Schubertella ovalis
- Dunbarula cascadensis
- Parafusulina gifuensis
- Neoschwagerina colaniae
- Neoschwagerina simplex
- Rauserella
- Chusenella atlinensis
- Pseudodoliolina oliviformis
- Sichotenella ovoidea
- Verbeekina verbeeki
- Yangchienia
- Kahlerina nautiloidea
- Parafusulina tochigiensis
- Pseudoreichelina slovenica
- Parafusulina kinosakii
- Neofusulinella praecursor
- Pseudoreichelina
- Yabeina katoi
- Armenina sphaera
- Gifuella amicula
- Neoschwagerina
- Neoschwagerina minoensis
- Parafusulina tomeganensis
The 40 most often recorded, of 192.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.