Dentalium exaratum Yokoyama
1959. | Dentalium exaratum Yokoyama Syntype Makiyama, J. 1959 pl. 62, fig. 14 |
1927. | Dentalium exaratum Yokoyama, 1927 Syntype |
Condition: | Missing |
Taxonomy: | Mollusca: Scaphopoda: Dentaliidae: |
Geologic Time: | Cenozoic: |
Horizon: | Lower or Upper Chikubets formation: |
Makiyama, J., 1959: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 3. Palaeontological Society of Japan, Special Papers, no. 5, pp. 1–4, pls. 58–86. (Reference No. 0369) |
Yokoyama, M., 1927e: Tertiary shells from the coal-field of Haboro, Teshio. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 4, pp. 191–204, pls. 51–52. (Reference No. 0492) |
Ichikawa, T., 1983, no. 9, p. 63. |
Ichikawa, T., 1983, no. 9, p. 368. |