Spirifer cf. speciosus (Achlotheim)
| 1956. | Spirifer cf. speciosus (Achlotheim) Okubo, M. 1956 p. 42, pl. 3, fig. 9a,b |
| Condition: | Missing |
| Taxonomy: | Brachiopoda: |
| Geologic Time: | Paleozoic: |
| Okubo, M., 1956: Some Devonian brachiopods and trilobites of the southern Kitakami mountainland. Japanese Journal of Geology and Geography, vol. 27, no. 1, pp. 37–45, pl. 3. (Reference No. 0604) |
| Ichikawa, T., 1988, no. 15, p. 121. |
