| Balconorbis uvaldensis
Hershler & Longley, 1986 |
Balcones ghostsnail |
Stygobiont |
G1G2 |
TX |
Edwards Plateau and Balcones |
| Phreatoceras taylori
(Hershler & Longley, 1986) |
Nymph trumpet |
Stygobiont |
G1G2 DD |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia bulla
Perez & Castañeda, 2023 |
|
Stygobiont |
|
TX |
Edwards Plateau and Balcones |
| Phreatodrobia conica
Hershler & Longley, 1986 |
Hueco Cavesnail |
Stygobiont |
G1 |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia coronae
Hershler, 1987 |
|
Stygobiont |
G1G2 DD |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia imitata
Hershler & Longley, 1986 |
Mimic cavesnail |
Stygobiont |
G1 VU |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia micra
(Pilsbry & Ferriss, 1906) |
Flattened Cavesnail |
Stygobiont |
G2G3 |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia nugax
(Pilsbry & Ferriss, 1906) |
Domed Cavesnail |
Stygobiont |
G1G2 DD |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia plana
Hershler & Longley, 1986 |
Disc cavesnail |
Stygobiont |
G2 |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia punctata
Hershler & Longley, 1986 |
High-hat cavesnail |
Stygobiont |
G2 |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia rotunda
Hershler & Longley, 1986 |
Beaked cavesnail |
Stygobiont |
G1G2 DD |
TX |
Edwards Plateau and Balcones |
| Phreatodrobia spica
Perez & Alvear, 2020 |
Spiky Cavesnail |
Stygobiont |
GNR |
TX |
Edwards Plateau and Balcones |
| Vitropyrgus lillianae
Perez & Castañeda, 2023 |
|
Stygobiont |
|
TX |
Edwards Plateau and Balcones |