Gaudryceras subcostatum Matsumoto, 1995
| 1995. | Gaudryceras subcostatum Matsumoto, 1995 Holotype Matsumoto, T. 1995 p. 75, fig. 38A–C PreviousNo: I-3268a |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: Ammonitida: Lytoceratina: Tetragonitoidea: Gaudryceratidae: |
| Geologic Time: | Mesozoic: Cretaceous: Late Cretaceous: Cenomanian: |
| Horizon: | Middle Yezo Group: Member IIb: |
| Locality: | Japan: Hokkaido: Kamikawa: Nakagawa: Teshio: T 881b, Shibunnai, River Abeshinai, River Teshio, Teshio Mountains: |
| Matsumoto, T., 1995: Notes on gaudryceratid ammonites from Hokkaido and Sakhalin. Palaeontological Society of Japan, Special Papers, no. 35, pp. i–vi + 1–152. (Reference No. 0731) |
| Tanabe, K., Ito, Y., Moriya, K. and Sasaki, T., 2000: Database of Cretaceous ammonite specimens registered in the Department of Historical Geology and Paleontology of the University Museum, University of Tokyo. The University Museum, The University of Tokyo, Material Reports, no. 37, pp. i–iv + 1–509. (Reference No. 0879) |
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| Ito, Y. et al., 2008, no. 74, p. 15. |
| Tanabe et al., 2000, no. 37, p. 95. |
