Sakamotozawa Formation
48 distinct taxa, from 67 fossil occurrences the Paleobiology Database records under this name, spanning 294–274 Mya.
Iwate, Honshu · JP
48 taxa · 67 fossils · 294–274 MyaMembers recorded: Shiraishi, Shiratorizawa, Motoiwazawa, Sa.
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5 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
- Pseudofusulina
- Schubertella
- Chalaroschwagerina
- Chalaroschwagerina vulgaris
- Minojapanella elongata
- Nankinella
- Nipponitella explicata
- Pseudofusulina dzamantalensis
- Taeniopteris
- Toriyamaia laxiseptata
- Akasakiella yabei
- Bellerophon (Bellerophon) kitakamiensis
- Chalaroschwagerina kushlini
- Chusenella
- Darvasella
- Darvasites minatoi
- Derbyia buchi
- Derbyia yukisawensis
- Dutkevitchia hindukushiensis
- Echinoconchus
- Eoparafusulina
- Eoparafusulina perplexa
- Hustedia indica
- Knightites (Retispira) hanzawai
- Kubergandella
- Micraphelia
- Misellina
- Nipponitella
- Orthothetina
- Orthothetina curvata
- Permoperna trapezoidalis
- Praeskinnerella fragilis
- Pseudoactinodontophora yabei
- Pseudochusenella cushmani
- Pseudofusulina blochini
- Pseudofusulina callosa
- Pseudofusulina fukasensis
- Pseudofusulina gundaraensis
- Pseudofusulina kraffti
- Pseudoreichelina nevadaensis
The 40 most often recorded, of 48.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.