Tryonia es un género de molusco gasterópodo de la familia Hydrobiidae en el orden Mesogastropoda.
Especies Las especies de este género son:
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 Tryonia variegata Hershler & Sada, 1987
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