Columbella ( Atilia ) masakadoi Yokoyama, 1922
| 1922. | Columbella (Atilia) masakadoi Yokoyama, 1922 Syntype |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Columbellidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1922a: Fossils from the upper Musashino of Kazusa and Shimosa. Journal of the College of Science, Imperial University of Tokyo, vol. 44, art. 1, pp. 1–200 + i–viii, pls. 1–17. (Reference No. 0465) |
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| Ichikawa, T., 1983, no. 9, p. 282. |
