Tapered cavesnail
Fontigens holsingeri
Greenbrier cavesnail
Fontigens turritella
Fontigens morrisoni
Fontigens binneyana
Fontigens antroecetes
Missouri cavesnail
Fontigens aldrichi
Fontigens weberi
Fontigens nickliniana
Fontigens cryptica
Fontigens proserpina
Fontigens orolibas
Blue ridge springsnail
Fontigens bottimeri
Fontigens tartarea
Fontigens oxybeles