Sebayashi Formation
| Sebayashi Formation | |
|---|---|
| Stratigraphic range: Barremian-Albian ~ | |
| Type | Geological formation |
| Unit of | Sanchu Group |
| Lithology | |
| Primary | Sandstone, shale |
| Other | Conglomerate |
| Location | |
| Coordinates | 36°06′N 138°48′E / 36.1°N 138.8°E |
| Approximate paleocoordinates | 48°24′N 140°00′E / 48.4°N 140.0°E |
| Region | Gunma, Honshu |
| Country | Japan |
The Sebayashi Formation is a Barremian to Albian geologic formation in Japan. Dinosaur remains are among the fossils that have been recovered from the formation, although only two species, Fukuivenator and Siamosaurus, have been referred to a specific genus.