Ashizawa Formation
Introduction 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. ("Futabasaurus") - "tibia"
See also * List of dinosaur-bearing rock formations** List of stratigraphic units with indeterminate dinosaur fossils
Footnotes
References * Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds. ): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. .