Harpoceras chrysanthemum (Yokoyama)
| 1984. | Harpoceras chrysanthemum (Yokoyama) Tanabe, K. et al. 1984 p. 333, fig. 2A,B |
| Condition: | Present |
| Taxonomy: | Mollusca: |
| Geologic Time: | Mesozoic: |
| Tanabe, K., Inazumi, A., Tamahama, K. and Katsuta, T., 1984: Taphonomy of half and compressed ammonites from the Lower Jurassic black shales of the Toyora area, west Japan. Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 47, pp. 329–346. (Reference No. 0765) |
| Ito, Y. et al., 2008, no. 74, p. 77. |
