Cyrtonybyoceras curvatum (Grabau)
1937. | Cyrtonybyoceras curvatum (Grabau) Kobayashi, T. 1937d p. 2, pl. 2, fig. 8 |
1928. | Actinoceras curvatum Grabau Kobayashi, T. 1928 p. 197, pl. 20, fig. 14 |
Condition: | Present |
Taxonomy: | Mollusca: Cephalopoda: |
Geologic Time: | Paleozoic: |
Kobayashi, T., 1928: Ordovician fossils from Corea and south Manchuria. Japanese Journal of Geology and Geography, vol. 5, no. 4, pp. 173–212, pls. 18–22. (Reference No. 0073) |
PDF in prep. |
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. |
Ichikawa, T. and Hayami, I., 1978, no. 2, p. 60. |