Yokoyamaoceras ishikawai (Jimbo)
| 1993. | Yokoyamaoceras ishikawai (Jimbo) Lectotype Maeda, H. 1993 p. 105, fig. 6-5,6 |
| 1981. | Kitchinites (Neopuzosia) ishikawai (Jimbo) Lectotype Matsumoto, T. 1981c pl. Cr-66, fig. 4 |
| 1963. | Neopuzosia ishikawai (Jimbo) Lectotype Matsumoto, T. 1963 p. 43, pl. 60, fig. 5, 5a PreviousNo: I-95 |
| 1954. | Neopuzosia ishikawai (Jimbo) Lectotype Matsumoto, T. 1954b p. 94, pl. 19, fig. 1a, b PreviousNo: I-95a, b |
| 1894. | Desmoceras Ishikawai Jimbo Lectotype Jimbo, K. 1894 p. 174, pl. 1, fig. 5, 5a PreviousNo: I-95 |
| Condition: | Present |
| Material: | Macroconch |
| Taxonomy: | Mollusca: Cephalopoda: Ammonitida: Ammonitina: Desmoceratoidea: Kossmaticeratidae: |
| Geologic Time: | Mesozoic: Cretaceous: Late Cretaceous: Santonian: |
| Horizon: | Upper Yezo Group: |
| Locality: | Japan: Hokkaido: Obira: Tappu: Obirashibe River: |
| Jimbo, K., 1894: Beiträge zur Kenntniss der Fauna der Kreideformation von Hokkaido. Palaeontologische Abhandlungen, Neue Folge, Bd. 2, H. 3, pp. 149–194, pls. 1–9. (Reference No. 0062) |
 |
| Maeda, H., 1993: Dimorphism of Late Cretaceous false-Puzosiine ammonites, Yokoyamaoceras Wright and Matsumoto, 1954 and Neopuzosia Matsumoto, 1954. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 169, pp. 97–128. (Reference No. 0659) |
 |
| Matsumoto, T., 1954b: Family Puzosiidae from Hokkaido and Saghalien. Studies on the Cretaceous Ammonoidea from Hokkaido and Saghalien 5. Memoirs of the Faculty of Science, Kyushu University, Series D, vol. 5, no. 2, pp. 69–118, pls. 9–23. (Reference No. 0220) |
| Matsumoto, T., 1963: A survey of the fossils from Japan illustrated in classical monographs. Part 10. Kotora Jimbo (1894): Beiträge zur Kenntniss der Fauna der Kreideformation von Hokkaido. Palaeontological Society of Japan, 25th Anniversary Volume, pp. 41–48, pls. 60–68. (Reference No. 0226) |
| Matsumoto, T., 1981c: Ammonoids from Japan, 9 (Upper Cretaceous ammonites, 15) Atlas of Japanese fossils, no. 52-309, 4 pp., pl. Cr-66. Tsukiji Shokan Publishing Co., Ltd., Tokyo. (in Japanese) (Reference No. 0586) |
| 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) |
| |
| Ichikawa, T., 1995, no. 33, p. 30. |
| Ichikawa, T., 1988, no. 15, p. 114. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 220. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 214. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 53. |
| Tanabe et al., 2000, no. 37, p. 490. |
| Tanabe et al., 2000, no. 37, p. 147. |
| Tanabe et al., 2000, no. 37, p. 43. |
| Tanabe et al., 2000, no. 37, p. 147. |
