Meioceras is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Caecidae. Species Species within the genus Meioceras include: Meioceras cornucopiae Carpenter, 1858 Meioceras cubitatum Folin, 1868 † Meioceras mateldae Selli, 1974 Meioceras nitidum (Stimpson, 1851) Meioceras tumidissimum de Folin, 1869 Species brought into synonymy Meioceras bermudezi Pilsbry & Aguayo, 1934: synonym of Meioceras cornucopiae Carpenter, 1859 Meioceras bitumidum de Folin, 1869: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras boucheti Pizzini & Raines, 2011: synonym of Mauroceras boucheti (Pizzini & Raines, 2011) (original combination) Meioceras carpenteri de Folin, 1869: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras cingulatum Dall, 1892: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras constrictum Pilsbry & Aguayo, 1933: synonym of Meioceras cornucopiae Carpenter, 1859 Meioceras contractum de Folin, 1874: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras cornubovis Carpenter, 1859: synonym of Meioceras cornucopiae Carpenter, 1859 Meioceras coxi de Folin, 1869: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras crossei de Folin, 1869: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras deshayesi de Folin, 1869: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras fischeri de Folin, 1870: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras imiklis de Folin, 1870: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras kajiyamai Habe, 1963: synonym of Mauroceras kajiyamai (Habe, 1963) (original combination) Meioceras legumen (Hedley, 1899): synonym of Mauroceras legumen (Hedley, 1899) Meioceras leoni Bérillon, 1874: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras mariae de Folin, 1881: synonym of Meioceras cornucopiae Carpenter, 1859 Meioceras moreleti de Folin, 1869: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras rhinoceros Pizzini, Raines & Vannozzi, 2013: synonym of Mauroceras rhinoceros (Pizzini, Raines & Vannozzi, 2013) (original combination) Meioceras sandwichense de Folin, 1881: synonym of Mauroceras sandwichense (de Folin, 1881) (original combination) Meioceras subinflexum de Folin, 1869: synonym of Meioceras nitidum (Stimpson, 1851) Meioceras tenerum de Folin, 1869: synonym of Meioceras cubitatum de Folin, 1868 Meioceras undulosum de Folin, 1869: synonym of Meioceras nitidum (Stimpson, 1851) References External links Pizzini M., Raines B. & Vannozzi A. (2013) The family Caecidae in the South-West Pacific (Gastropoda: Rissooidea). Bollettino Malacologico, 49 (suppl. 10): 1-78 Caecidae