Sebayashi Formation Explained

Sebayashi Formation
Type:	Geological formation
Period:	Aptian
Age:	Barremian-Albian ~
Prilithology:	Sandstone, shale
Otherlithology:	Conglomerate
Region:	Gunma, Honshu
Country:	Japan
Coordinates:	36.1°N 138.8°W
Paleocoordinates:	48.4°N 140°W
Unitof:	Sanchu Group

The Sebayashi Formation is a Barremian to Albian geologic formation in Japan.^[1] 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.^[2]

Paleofauna

• Bivalvia indet.
• Dinosauria indet. - "Footprints"
• Ornithopoda indet. - "Footprints"
• Siamosaurus? - "Tooth (GMNH-PV-999)"^[3]
• Spinosauridae indet. "Tooth (KDC-PV-0003)"
• aff. Fukuiraptor kitadaniensis - "Tooth"^[4]
• Theropoda indet. - "Footprints"

See also

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with indeterminate dinosaur fossils

References

Bibliography

Notes and References

1. http://www.fossilworks.org/cgi-bin/bridge.pl?action=displayStrata&geological_group=&formation=Sebayashi&group_formation_member=Sebayashi Sebayashi Formation
2. Weishampel et al., 2004, pp.517-607
3. Hasegawa et al., 2003
4. Web site: A tooth of Fukuiraptor aff. F. kitadaniensis from the Lower Cretaceous Sebayashi Formation, Sanchu Cretaceous, Japan: 東京学芸大学リポジトリ. 2020-10-09. ir.u-gakugei.ac.jp.