Echinarachnius mirabilis Agassiz
| 1937. | Echinarachnius mirabilis Agassiz |
| Condition: | Present |
| Taxonomy: | Echinodermata: |
| Geologic Time: | Cenozoic: |
| Oinomikado, T. and Ikebe, N., 1937: The shell beds at Takinokuchi, Chiba Prefecture. Chikyu [The Globe], vol. 27, no. 3, pp. 159–172. (in Japanese) (Reference No. 0600) |
| Ichikawa, T., 1988, no. 15, p. 118. |
