Bathyacteon valdesi Helwerda, 2015 † accepted as
Metactaeon valdesi (Halwerda, 2015) † (original description)
Bullina virgoides Helwerda, 2015 † (original description)
Crenilabium pacificum (Kuroda & Habe, 1961) (additional source)
Japonactaeon sieboldii (Reeve, 1842) accepted as
Acteon sieboldii (Reeve, 1842) (additional source)
Microglyphis angulata Helwerda, 2015 † (original description)
Obrussena bracteata (Iredale, 1925) (additional source)
Pupa reticulata (K. Martin, 1884) † (new combination reference)
Pupa sekii Habe, 1958 (additional source)
Ringicula bella Helwerda, 2015 † (original description)
Ringicula caelestis Helwerda, 2015 † (original description)
Ringicula caron Hinds, 1844 (basis of record)
Ringicula circumscripta Helwerda, 2015 † (original description)
Ringicula opima Helwerda, 2015 † (original description)
Ringicula prismatica de Folin, 1868 (basis of record)