Costasiella
Animalia | Mollusca | Gastropoda | Costasiellidae | Costasiella
Costasiella
Biota | Animalia | Mollusca | Gastropoda | Heterobranchia | Euthyneura | Tectipleura | Sacoglossa | Plakobranchoidea | Costasiellidae | Costasiella
|  |  | Cuvier, 1795 | Burmeister, 1837 |  |  |  | Gray, 1840 | K. B. Clark, 1984 | Pruvot-Fol, 1951