Testacella
Animalia | Mollusca | Gastropoda | Stylommatophora | Testacellidae | Testacella
Testacella
Biota | Animalia | Mollusca | Gastropoda | Heterobranchia | Euthyneura | Tectipleura | Eupulmonata | Stylommatophora | Helicina | Helicina incertae sedis | Testacelloidea | Testacellidae | Testacella
|  |  | Cuvier, 1795 | Burmeister, 1837 |  |  | Haszprunar & Huber, 1990 | A. Schmidt, 1855 | Rafinesque, 1815 |  | Gray, 1840 | Gray, 1840 | Lamarck, 1801