Monostiolum

Monostiolum is a genus of sea snails, marine gastropod mollusks in the family Pisaniidae.

==Species== Species within the genus Monostiolum include: Monostiolum atlanticum (Coelho, Matthews & Cardoso, 1970) Monostiolum auratum Watters & Finlay, 1989 Monostiolum crebristriatus (Carpenter, 1856) Monostiolum fumosum Watters, 2009 Monostiolum harryleei Garcia, 2006 Monostiolum nigricostatum (Reeve, 1846) Monostiolum nocturnum Watters, 2009 Monostiolum pictum (Reeve, 1844) Monostiolum rosewateri Watters & Finlay, 1989 Monostiolum simonei Watters, 2016 Monostiolum tessellatum (Reeve, 1844) Species brought into synonymy: Monostiolum weberi (Watters, 1983): synonym of Bailya weberi (Watters, 1983)