Perisphinctes ( Biplices ? ) Kochibei Yokoyama
1904. | Perisphinctes (Biplices ?) Kochibei Yokoyama Holotype Yokoyama, M. 1904b p. 7, pl. 1, fig. 5 |
Condition: | Present |
Taxonomy: | Mollusca: Cephalopoda: |
Geologic Time: | Mesozoic: |
Yokoyama, M., 1904b: Jurassic ammonites from Echizen and Nagato. Journal of the College of Science, Imperial University of Tokyo, vol. 19, art. 20, pp. 1–17, pls. 1–4. (Reference No. 0331) |
Ichikawa, T. and Hayami, I., 1978, no. 2, p. 300. |