Helicotoma ? costata Kobayashi
| 1959. | Helicotoma ? costata Kobayashi Holotype Kobayashi, T. 1959 p. 395, pl. 25, fig. 1a-c, text-fig. 3d |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: |
| Geologic Time: | Paleozoic: |
| Kobayashi, T., 1959: On some Ordovician fossils from northern Malaya and her adjacence. Journal of the Faculty of Science, University of Tokyo, Section 2, vol. 11, pt. 4, pp. 387–407, pls. 24–27. (Reference No. 0159) |
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| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 156. |
