Sebayashi Formation
30 distinct taxa, from 37 fossil occurrences the Paleobiology Database records under this name, spanning 133–101 Mya.
Gunma, Honshu, Gumma · JP
30 taxa · 37 fossils · 133–101 MyaFiled under the Sanchu Group. Members recorded: Lower, lower.
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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
- Costocyrena
- Nippononaia
- Protocyprina
- Astarte
- Belemnitina
- Bivalvia
- Carcharias
- Cassiope
- Dinosauria
- Fukuiraptor kitadaniensis
- Gastropoda
- Heteroptychodus steinmanni
- Homomya
- Hybodontiformes
- Isognomon
- Isognomon (Isognomon)
- Lamniformes
- Ornithomimidae
- Osteichthyes
- Ostrea
- Panopea
- Protolamna
- Pulsidis
- Reptilia
- Scapanorhynchus
- Spinosauridae
- Testudines
- Tetoria
- Titanosauriformes
- Tylostoma
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.