Pleurotoma may refer to: Pleurotoma Lamarck, 1799, a genus of gastropods in the family Turridae, synonym of Turris Pleurotoma Mörch, 1869, a genus of gastropods in the family Mangeliidae, synonym of Oenopota Pleurotoma, a fossil genus of sponges in the order Lychniscosida, family unknown, synonym of Jima