| Fontigens antroecetes
Hubricht, 1972 |
Enigmatic ghostsnail |
Stygobiont |
G2 VU |
IL, MO |
Ozarks |
| Fontigens bottimeri
(Walker, 1925) |
Appalachian Springsnail |
Stygobiont |
G2G3 |
DC, MD, VA |
Appalachians, Other |
| Fontigens cryptica
Hubricht, 1963 |
Hidden springsnail |
Stygobiont |
G1 |
IN |
Interior Low Plateau |
| Fontigens morrisoni
Hershler, Holsinger & Hubricht, 1990 |
Virginia springsnail |
Stygobiont |
G2 |
VA |
Appalachians |
| Fontigens proserpina
Hubricht, 1940 |
Proserpine Springsnail |
Stygobiont |
G1 |
MO |
Ozarks |
| Fontigens tartarea
Hubtricht 1963 |
Organ cavesnail |
Stygobiont |
G2 |
VA, WV |
Appalachians |
| Fontigens turritella
Hubricht, 1976 |
Greenbrier Cavesnail |
Stygobiont |
G1 NT |
WV |
Appalachians |