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

Scientific name	Madagascarites ryu
Author	Matsumoto and Muramoto, 1967
Reference	Mem. Fac. Sci., Kyushu Univ., Ser. D (Geol.), Vol. 18, No. 2, p. 362, pl. 19, fig. 3; pl. 22, fig. 1; pl. 23, fig. 3
Type specimen	Holotype: No. 9100A, Tatsuo Muramoto's private collection (pl. 22, fig. 1; pl. 23, fig. 3) / Paratypes: GK. H5449a, b (= Tatsuo Muramoto Coll. No. 9100c)(pl. 19, fig. 3), No. 9100B, Tatsuo Muramoto's private collection (pl. 23, fig. 1)
Type locality	Loc. Ik967, an outcrop along the main stream of the Ikushumbets River, Mikasa City, central Hokkaido (142^00'39" E, 43^14'14" N)
Formation name	Zone of Reesidites minimus, Upper Yezo Group
Age	Uppermost Turonian, Upper Cretaceous
Remarks	(= Ryuella ryu (Matsumoto and Muramoto, 1967)) / Remarks: The generic position of this species was transferred to Ryuella by Klinger and Kennedy (1997, p. 238). / Reference: Klinger, H. C. and Kennedy, W. J., 1997. Ann. South African Mus., Vol. 105, No. 3, 227 - 247, 17 figs.