Aclyvolva Cate, 1973 (original description)
Adamantia Cate, 1973 accepted as Diminovula Iredale, 1930 (original description)
Aperiovula Cate, 1973 accepted as Pseudosimnia Schilder, 1927 (original description)
Calcaria Cate, 1973 accepted as Calcarovula Cate, 1973 (original description)
Carpiscula Cate, 1973 (original description)
Crenavolva Cate, 1973 (original description)
Cuspivolva Cate, 1973 (original description)
Cymbula Cate, 1973 accepted as Cymbovula Cate, 1973 (original description)
Delonovolva Cate, 1973 accepted as Cuspivolva Cate, 1973 (original description)
Galera Cate, 1973 accepted as Habuprionovolva Azuma, 1970 (original description)
Globovula Cate, 1973 (original description)
Hiata Cate, 1973 accepted as Hiatavolva Cate, 1973 (original description)
Inflatovula Cate, 1973 † accepted as Diminovula Iredale, 1930 (original description)
Labiovolva Cate, 1973 accepted as Prionovolva Iredale, 1930 (original description)
Lacrima Cate, 1973 accepted as Margovula Iredale, 1935 (original description)
Pseudocyphoma Cate, 1973 accepted as Cyphoma Röding, 1798 (original description)
Sandalia Cate, 1973 (original description)
Serratovolva Cate, 1973 (original description)
Simnialena Cate, 1973 (original description)
Spiculata Cate, 1973 accepted as Simnia Risso, 1826 (original description)
Stohleroma Cate, 1973 accepted as Cuspivolva Cate, 1973 (original description)
Subsimnia Cate, 1973 accepted as Simnia Risso, 1826 (original description)
Testudovolva Cate, 1973 (original description)
Turbovula Cate, 1973 † accepted as Phenacovolva Iredale, 1930 (original description)
Xandarovula Cate, 1973 accepted as Simnia Risso, 1826 (original description)