Thurmanniceras isokusensis (Kobayashi & Fukada)
| 1958. | Thurmanniceras isokusensis (Kobayashi & Fukada) Holotype Sato, T. 1958b p. 592, pl. 28, fig. 12 |
| 1947. | Perisphinctes (Discosphinctes) isokusense Kobayashi & Fukada Syntype Kobayashi, T. & Fukada, A. 1947c p. 55, pl. 13, fig. 3 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Kobayashi, T. and Fukada, A., 1947c: On the occurrence of Discosphinctes in the Kitakami mountains in Nippon. Japanese Journal of Geology and Geography, vol. 20, nos. 2–4, pp. 55–57, pl. 13. (Reference No. 0175) |
 PDF in prep. |
| Sato, T., 1958b: Présence du Berriasien dans la stratigraphie du plateau de Kitakami (Japon septentrional). Bulletin de la Société Géologique de France, Série 6, vol. 8, pp. 585–599, pl. 28. (Reference No. 0271) |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 251. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 177. |
