Entemnotrochus
Entemnotrochus is a genus of large to very large deepwater sea snails with gills and an operculum, marine gastropod mollusks in the family Pleurotomariidae, the slit snails.
Extant Species
According to the World Register of Marine Species, the following species with valid names are included within the genus Entemnotrochus :Entemnotrochus adansonianus Entemnotrochus rumphii;Species brought into synonymy :Entemnotrochus urashima Shikama & Oishi in Shikama, 1977 : synonym of '' Entemnotrochus rumphii''