Megasurcula rara is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.Worldwide Mollusc Species Data Base: Megasurcula rara
Distribution Fossils of this marine species have been found in Neogene strata in Japan.
References
Nomura, S. and H. Onisi, 1940, Neogene Mollusca from the Sennan District, Miyagi Prefecture, Japan; Jap. Jour. Geol. Geogr:, vol. XVII, nos. 3--4, pp. 181–194, pls XVII-XIX.