Anatina tasmanica Reeve, 1863 sensu Hutton, 1873 accepted as Offadesma angasi (Crosse & P. Fischer, 1864) (status source)
Bassina katherinae Marwick, 1948 † (original description)
Chione (Austrovenus) tamakiensis Marwick, 1948 † accepted as Austrovenus tamakiensis (Marwick, 1948) † (original description)
Chione tamakiensis Marwick, 1948 † accepted as Austrovenus tamakiensis (Marwick, 1948) † (original description)
Cominella (Acominia) dingleyi Marwick, 1948 accepted as Cominella dingleyi Marwick, 1948 † (original description)
Cominella (Cominista) altispira Marwick, 1948 accepted as Cominella altispira 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)
Eumarcia (Opimarcia) Marwick, 1948 † accepted as Atamarcia Marwick, 1927 † (original description)
Eumarcia (Opimarcia) healyi Marwick, 1948 † accepted as Atamarcia healyi (Marwick, 1948) † (original description)
Gari aucklandica Marwick, 1948 † (original description)
Laternula synthetica Marwick, 1948 † accepted as Laternula laterna (Lamarck, 1818) (original description)
Mactra (Cyclomactra) williamsi Marwick, 1948 † accepted as Cyclomactra williamsi (Marwick, 1948) † (original description)
Mactra (Mactrula) Marwick, 1948 accepted as Pseudocardium Gabb, 1866 † (original description)
Mactra mula Marwick, 1948 † accepted as Mactrula mula (Marwick, 1948) † accepted as Pseudocardium mula (Marwick, 1948) † (original description)
Neothais lassa Marwick, 1948 † (original description)
Otahua Marwick, 1948 accepted as Bedeva Iredale, 1924 (original description)
Otahua bartrumi Marwick, 1948 † accepted as Bedeva bartrumi (Marwick, 1948) † (original description)
Pachydontella Marwick, 1948 † (original description)
Pachydontella etiampicta Marwick, 1948 † (original description)
Patro (Prismatro) Marwick, 1948 accepted as Patro Gray, 1850 (original description)
Polinices stanleyi Marwick, 1948 † accepted as Polinices waipipiensis (Marwick, 1924) † (original description)
Soletellina waitemata Marwick, 1948 † accepted as Hiatula waitemata (Marwick, 1948) † (original description)
Spisula (Crassula) Marwick, 1948 accepted as Crassula Marwick, 1948 (original description)
Spisula (Spisulona) couttsi Marwick, 1948 † represented as Spisula couttsi Marwick, 1948 † (original description)
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)
Verconella gauli Marwick, 1948 † accepted as Penion gauli (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)

New Zealand for Mactra (Cyclomactra) williamsi Marwick, 1948 †