3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Damesites semicostatus | |
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| Author | Matsumoto, 1955 | |
| Reference | Mem. Fac. Sci., Kyushu Univ., Ser. D, Vol. 5, No. 3, p. 126, pl. 25, fig. 1a - d | |
| Type specimen | Lectotype: UMUT MM5579 (= GT. I - 3104) | |
| Type locality | Loc. T592b, the Abeshinai Valley, Saku area, Nakagawa Town, Teshio Province, northern Hokkaido (142^02'43" E, 44^42'32" N) | |
| Formation name | Unit IIIa, Upper Yezo Group | |
| Age | Lower Santonian, Upper Cretaceous | |
| Remarks | Remarks: Lectotype was designated by Obata (1959, p. 35). / Reference: Obata, I., 1959. Mem. Fac. Sci., Kyushu Univ., Ser. D, Vol. 9, no. 1,pp. 33 - 45, pls. 4 - 5. | |