Stenoplax Dall, 1879

Stenoplax alata (Sowerby, 1841)

Stenoplax bahamensis Kaas & Van Belle, 1987

Stenoplax boogii (Haddon, 1886)

Stenoplax circumsenta Berry, 1956

Stenoplax conspicua (Carpenter MS, Pilsbry, 1892)

Stenoplax corrugata (Carpenter in Pilsbry, 1892)

Stenoplax erythronota

Stenoplax fallax (Carpenter in Pilsbry, 1892)

Stenoplax floridana (Pilsbry, 1892)

Stenoplax heathiana Berry, 1946

Stenoplax kempfi Righi, 1971

Stenoplax limaciformis (Sowerby, 1832)

Stenoplax lindholmii (von Schrenck, 1862)

Stenoplax madagassica (Thiele, 1917)

Stenoplax magdalenensis (Hinds, 1845)

Stenoplax marcusi (Righi, 1971)

Stenoplax mariposa (Bartsch MS, Dall, 1919)

Stenoplax petaloides (Gould, 1846)

Stenoplax purpurascens (C.B. Adams, 1845)

Stenoplax rugulata (Sowerby, 1832)

Stenoplax sonorana Berry, 1956