Bassina (Callanaitis) katherinae Marwick, 1948 † represented as Bassina katherinae Marwick, 1948 † (original description)
Crassula Marwick, 1948 (original description)
Dilora Marwick, 1948 † (original description)
Dilora lorea Marwick, 1948 † (original description)
Dosinia (Raina) powelli Marwick, 1948 † represented as Dosinia powelli Marwick, 1948 † (original description)
Gari aucklandica Marwick, 1948 † (original description)
Mactra (Cyclomactra) williamsi Marwick, 1948 † accepted as Cyclomactra williamsi (Marwick, 1948) † (original description)
Neothais lassa Marwick, 1948 † (original description)
Pachydontella Marwick, 1948 † (original description)
Pachydontella etiampicta Marwick, 1948 † (original description)
Spisula (Spisulona) Marwick, 1948 represented as Spisula J. E. Gray, 1837 (original description)
Spisula (Spisulona) couttsi Marwick, 1948 † represented as Spisula couttsi Marwick, 1948 † (original description)
Spisulona Marwick, 1948 † accepted as Spisula (Spisulona) Marwick, 1948 represented as Spisula J. E. Gray, 1837 (original description)
Struthiolaria firthi Marwick, 1948 † (original description)
Tawera duobrunnea Marwick, 1948 † (original description)
Taxonia tesserata Marwick, 1948 † (original description)
Xymene coctor Marwick, 1948 † (original description)
Zefallacia lawsi Marwick, 1948 † (original description)
Zenatia flemingi Marwick, 1948 † (original description)
Zethalia coronata Marwick, 1948 † (original description)