3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan

Scientific name Heteroceras (?) oshimai
Author Yabe, 1904
Reference Jour. Coll. Sci., Imp. Univ., Tokyo, Vol. 20, No. 2, p. 12, pl. 3, fig. 5.
Type specimen Holotype: UMUT MM7553 (= GT. I - 241)
Type locality Ikushumbets, Province of Ishikari (now Sorachi), central Hokkaido
Formation name Upper Ammonite - beds (= Upper Yezo Group)
Age Senonian (Santonian), Upper Cretaceous
Remarks (=Hyphantoceras oshimai (Yabe, 1904)) / Remarks: The generic position of this species was transferred to Hyphantoceras by Shimizu (1935, p. 193). / Reference: Shimizu, S., 1935. Jour. Shanghai Sci. Inst., Sec. 2, Vol. 1, 159 - 226.
(C)Yasuyuki Tsujino (Tokushima Prefectural Museum) All Rights Reserved.