Megasurcula elongata is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.Biolib.cz: Megasurcula elongata
Distribution Fossils of this marine species have been found in Miocene strata in Japan.
References
Hatai, K. 1940. A Note on Two Miocene Gastropods. Bull. Biogeogr. Soc. of Japan, vol 10, no 8, pp. 115–117. Hatai, K. 1941. Additional Fossils from Certain Miocene Formations. Bull. Biogeogr. Soc. of Japan, vol. 11, no. 13, pp. 105–112. pl 3.