Armenoceras ventrosiphonatum Kobayashi
| 1937. | Armenoceras ventrosiphonatum Kobayashi Syntype Kobayashi, T. 1937d p. 5, pl. 1, fig. 3c |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Paleozoic: |
| Kobayashi, T., 1937d: Contribution to the study of the apical end of the Ordovician nautiloid. Japanese Journal of Geology and Geography, vol. 14, nos. 1–2, pp. 1–21, pls. 1–2. (Reference No. 0103) |
PDF in prep. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 122. |

PDF in prep.