SATO & TANABE, 1998, SATO & STORRS, 2000
Locality: A riverside cliff of Obirashibe River, 142’01”E, 44’06”E, Obira Area, Hokkaido Island, Japan.
Horizon: Middle Yezo Group.
Biostratigraphy: Biostrina nipponica Zone.
Age: Cenomanian Stage, Upper Middle Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.
Material:
UMUT MV 19965: Right half of the pectoral girdle, nearly complete right forelimb, several disarticulated vertebrae, gastralia and a portion of the right pubis.
Note: Large amount of isolated ammonoid jaws in the stomach area; possibly used as gastroliths?
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