Kuwajima Formation

Kuwajima Formation Stratigraphic range: Barremian-Aptian
Unit of	Tetori Group
Location
Country	Japan

The Kuwajima Formation is an Early Cretaceous geologic formation. Dinosaur remains are among the fossils that have been recovered from the formation, including Albalophosaurus yamaguchiorum.

The multituberculate mammals Hakusanobaatar matsuoi and Tedoribaatar reini are known from the Kuwajima Formation. A member of Tritylodontidae, Montirictus kuwajimaensis, has also been recovered from the unit.