Caecidae Gray, 1815
Meioceras ambyloceras
Meioceras boucheti Pizzini & Raines, 2011
Meioceras cornucopiae Carpenter, 1859
Meioceras cubitatum de Folin, 1868
Meioceras kajiyamai Habe, 1963
Meioceras legumen (Hedley, 1899)
Meioceras nitidum (Stimpson, 1851)
Meioceras sandwichense de Folin, 1881
Meioceras tumidissimum de Folin, 1869