Schizostoma castanea
Gyrotoma excisa
Biota | Animalia | Mollusca | Gastropoda | Caenogastropoda | Caenogastropoda incertae sedis | Cerithioidea | Pleuroceridae | Gyrotoma | Gyrotoma excisa
|  |  | Cuvier, 1795 | L. R. Cox, 1960 |  | J. Fleming, 1822 | P. Fischer, 1885 (1863) | Shuttleworth, 1845 | (I. Lea, 1843)