Ovulidae Fleming, 1822
Hiatavolva bruniterma
Hiatavolva brunneiterma (Cate, 1969)
Hiatavolva coarctata (G.B. Sowerby II in A. Adams & Reeve, 1848)
Hiatavolva depressa (G.B. Sowerby Iii, 1889)
Hiatavolva gracillimus Schilder, 1927
Hiatavolva praenominata Iredale, 1935
Hiatavolva rugosa Cate & Azuma in Cate, 1973