Tryonia Stimpson, 1865

Tryonia adamantina Taylor, 1987

Tryonia aequicostata (Pilsbry, 1889)

Tryonia alamosae Taylor, 1987

Tryonia angulata Hershler & Sada, 1987

Tryonia brevissima (Pilsbry, 1890)

Tryonia brunei Taylor, 1987

Tryonia cheatumi (Pilsbry, 1935)

Tryonia circumstriata (Leonard & Ho, 1960)

Tryonia clathrata Stimpson, 1865

Tryonia diaboli (Pilsbry & Ferriss, 1906)

Tryonia elata Hershler & Sada, 1987

Tryonia ericae Hershler & Sada, 1987

Tryonia gilae Taylor, 1987

Tryonia imitator (Pilsbry, 1899)

Tryonia kosteri Taylor, 1987

Tryonia margae Hershler, 1989

Tryonia protea (Gould, 1855)

Tryonia quitobaquitae Hershler, 1988

Tryonia robusta Hershler, 1989

Tryonia rowlandsi Hershler, 1989

Tryonia salina Hershler, 1989