Sassia is a genus of sea snails, marine gastropod molluscs in the family Cymatiidae.
Apiotoma is a genus of sea snails, marine gastropod mollusks in the family Cochlespiridae.
Crassispira margaritula is an extinct species of sea snail, a marine gastropod mollusc in the family Pseudomelatomidae, the turrids and allies. Fossils of this extinct marine species were found in Eocene strata of the Paris Basin, France.
Knefastia decipiens is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Knefastia polygona is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Hemiconus is an extinct genus of sea snails, marine gastropod mollusks, in the family Conidae the cone snails and their allies.
Hemiconus disjunctus is an extinct species of sea snail, a marine gastropod mollusk, in the family Conidae, the cone snails and their allies.
Hemiconus granatinus is an extinct species of sea snail, a marine gastropod mollusk, in the family Conidae, the cone snails and their allies.
Hemiconus turbinopsis is an extinct species of sea snail, a marine gastropod mollusk, in the family Conidae, the cone snails and their allies.
Eocithara is an extinct genus of sea snails, marine gastropod mollusks, in the family Harpidae.
Pleurotomella fragilis is an extinct species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Amblyacrum is a genus of extinct minute sea snails, marine gastropod mollusks or micromollusks in the family Mangeliidae.
Raphitoma boutillieri is an extinct species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
Raphitoma costellata is an extinct species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
Amblyacrum dameriacense is an extinct species of sea snail, a marine gastropod mollusc in the family Mangeliidae.
Raphitoma gougeroti is an extinct species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
Eopleurotoma is an extinct genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.
Epalxis is an extinct genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.
Urosalpinx baudoni is an extinct species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Trophonopsis bonneti is an extinct species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
