Jerarquía taxonómica:
Cochliopidae → Tryonia Stimpson, 1865

Familia:
Cochliopidae

Autor:
Stimpson, 1865

Sinónimos:
Durangonella Morrison, 1945

Especies válidas/aceptadas:
Tryonia allendae
Tryonia angosturae
Tryonia chuviscarae
Tryonia contrerasi
Tryonia dugesiana
Tryonia hertleini
Tryonia julimesensis
Tryonia mariae
Tryonia minckleyi
Tryonia molinae
Tryonia ovata
Tryonia peregrina
Tryonia pilsbryi
Tryonia porrecta
Tryonia santarosae
Tryonia seemani
Tryonia shikueii
Tryonia taylori
Tryonia zaragozae