Megasurcula yokoyamai

Megasurcula yokoyamai is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.^[1]

Megasurcula yokoyamai
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Pseudomelatomidae
Genus:	Megasurcula
Species:	†M. yokoyamai
Binomial name
†Megasurcula yokoyamai (Otuka, 1934)
Synonyms
†Surculites yokoyamai Otuka, 1934

Distribution

Fossils of this marine species have been found in Middle Miocene strata in Japan.