Ashizawa Formation
The Ashizawa Formation is a Coniacian geologic formation in northeastern Honshu, Japan. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus. A jawbone belonging to a therian mammal has also been discovered from this unit.
Palaeofauna
- Dinosauria indet.
- Squalus sp.
- Theria indet.
- Theropoda indet. - "tibia"