Acervulina (Ladoronia) Hanzawa, 1957 † accepted as Ladoronia Hanzawa, 1957 † (original description)
Acervulina (Ladoronia) vermicularis Hanzawa, 1957 † accepted as Ladoronia vermicularis (Hanzawa, 1957) † (original description)
Biplanispira inflata Hanzawa, 1957 † (original description)
Biplanispira mirabilis f. depressa Hanzawa, 1957 † (original description)
Biplanispira mirabilis f. elliptica Hanzawa, 1957 † (original description)
Discocyclina (Discocyclina) indopacifica Hanzawa, 1957 † accepted as Discocyclina dispansa subsp. umbilicata (Deprat, 1905) † (original description)
Gypsina marianensis Hanzawa, 1957 † accepted as Tayamaia marianensis (Hanzawa, 1957) † (original description)
Gypsina saipanensis Hanzawa, 1957 † (original description)
Kanakaia Hanzawa, 1957 † (original description)
Kanakaia marianensis Hanzawa, 1957 † (original description)
Lepidocyclina (Eulepidina) rotaensis Hanzawa, 1957 † (original description)
Miogypsinoides saipanensis Hanzawa, 1957 † (original description)