Animalia | Mollusca | Gastropoda | Basommatophora | Ancylidae | Laevapex
Biota | Animalia | Mollusca | Gastropoda | Heterobranchia | Euthyneura | Tectipleura | Hygrophila | Lymnaeoidea | Planorbidae | Ancylinae | Laevapicini | Laevapex | Laevapex fuscus
|  |  | Cuvier, 1795 | Burmeister, 1837 |  |  | A. Férussac, 1822 | Rafinesque, 1815 | Rafinesque, 1815 | Rafinesque, 1815 | Hannibal, 1912 | B. Walker, 1903 | (C. B. Adams, 1840)