Semicassis Mörch, 1852
Phalium bisulcatum bisulcatum (Schubert & Wagner, 1829)
Phalium bisulcatum booleyi (Sowerby, 1900)
Phalium bisulcatum japonica (Reeve, 1848)
Phalium bisulcatum pila (Reeve, 1848)
Semicassis bisulcata subsp. bisulcata (Schubert & Wagner, 1829)
Semicassis bisulcata diuturna (Iredale, 1927)
