3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Gaudryceras tenuiliratum | |
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| Author | Yabe, 1903 | |
| Reference | Jour. Coll. Sci., Imp. Univ. Tokyo, Vol. 18, No. 2, p. 19 (see also Yokoyama, 1890, pl. 18, figs. 12a, b) | |
| Type specimen | Lectotype: Nr. 1889. IX. 16, Bayer Staatssammlung fuer Palaeontologie und historische Geologie, Muenchen | |
| Type locality | Iburi (= Efue), Urakawa area, Hidaka Province, southern central Hokkaido (ca. 142^44'E, 42^12'N) | |
| Formation name | Pachydiscus - beds (= Upper Yezo Group) | |
| Age | Senonian, Upper Cretaceous | |
| Remarks | Remarks: Matsumoto (1963, p. 29) designated this specimen as the lectotype. Reference: Matsumoto, T., 1963. Palaeont. Soc. Jap., 25th Anniv. Vol., 27 - 32, pls.44 - 51. [see printed matter] | |