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

Scientific name Desmoceras poronaicum
Author Yabe, 1904
Reference Jour. Coll. Sci., Imp. Univ. Tokyo, Vol. 20, No. 2, p. 39, pl. 6, figs. 1, 2
Type specimen Holotype: UMUT MM7456 (= GT. I - 261, 262)
Type locality Poronai, Province of Ishikari, central Hokkaido
Formation name Upper Ammonite - beds, Middle Yezo Group
Age Senonian (Cenomanian), Upper Cretaceous
Remarks (= Desmoceras (Pseudouhligella) poronaicum Yabe, 1904)
(C)Yasuyuki Tsujino (Tokushima Prefectural Museum) All Rights Reserved.