Isocyamus Gervais & Van Beneden, 1859

Isocyamus antarcticensis Vlasova in Berzin & Vlasova, 1982

Isocyamus dellphinii (Guérin-Méneville, 1837)

Isocyamus delphini (Guérin-Méneville, 1836)

Isocyamus delphinii (Guérin-Méneville, 1836)

Isocyamus deltabrachium Sedlak-Weinstein, 1992

Isocyamus deltobranchium Sedlak-Weinstein, 1992