| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Tryonia adamantina Taylor, 1987 |
Diamond tryonia | North America | |
| Tryonia aequicostata (Pilsbry, 1889) |
Smooth-rib hydrobe | North America | |
| Tryonia alamosae Taylor, 1987 |
Caliente tryonia | North America | |
| Tryonia angulata Hershler & Sada, 1987 |
Sportinggoods tryonia | North America | |
| Tryonia brevissima (Pilsbry, 1890) |
Regal hydrobe | North America | |
| Tryonia cheatumi (Pilsbry, 1935) |
Phantom tryonia | North America | |
| Tryonia clathrata Stimpson, 1865 |
Grated tryonia | North America | |
| Tryonia diaboli (Pilsbry & Ferriss, 1906) |
Devil tryonia | North America | |
| Tryonia elata Hershler & Sada, 1987 |
Point of rocks tryonia | North America | |
| Tryonia ericae Hershler & Sada, 1987 |
Minute tryonia | North America | |
| Tryonia gilae Taylor, 1987 |
Gila tryonia | North America | |
| Tryonia imitator (Pilsbry, 1899) |
Mimic tryonia | North America | |
| Tryonia kosteri Taylor, 1987 |
Sago tryonia | North America | |
| Tryonia margae Hershler, 1989 |
Grapevine springs elongate tryonia | North America | |
| Tryonia protea (Gould, 1855) |
Desert tryonia | North America | |
| Tryonia quitobaquitae Hershler, 1988 |
Quitobaquito tryonia | North America | |
| Tryonia robusta Hershler, 1989 |
Robust tryonia | North America | |
| Tryonia rowlandsi Hershler, 1989 |
Grapevine springs squat tryonia | North America | |
| Tryonia salina Hershler, 1989 |
Cottonball marsh tryonia | North America | |
| Tryonia variegata Hershler & Sada, 1987 |
Amargosa tryonia | North America |