Calyptraea sp.
1926. | Calyptraea sp. |
Condition: | Missing |
Taxonomy: | Mollusca: Gastropoda: Crepidulidae: |
Geologic Time: | Cenozoic: |
Yokoyama, M., 1926j: Fossil Mollusca from the oil-fields of Akita. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 1, pt. 9, pp. 377–389, pls. 44–45. (Reference No. 0487) |
Ichikawa, T., 1983, no. 9, p. 344. |