| Citation | Yokoyama, M., 1920 Fossils from the Miura Peninsula and its immediate north. Journal of the College of Science, Imperial University of Tokyo 44:1-200 + plates 1-17. |
| Ref. | 77672 Yokoyama, M., 1920 |
| Page | |
| Named Used as Valid | Semelangulus miyatensis |
| Locality | |
| Distribution | Japan. |