Ancilla cincta P. Marshall, 1918 † accepted as Amalda cincta (P. Marshall, 1918) † (original description)
Ancilla spinigera P. Marshall, 1918 † accepted as Amalda spinigera (P. Marshall, 1918) † (original description)
Anomia poculifera P. Marshall, 1918 † accepted as Anomia trigonopsis F. W. Hutton, 1877 (original description)
Borsonia (Cordieria) ovalis P. Marshall, 1918 † accepted as Bonellitia ovalis (P. Marshall, 1918) † (original description)
Calliostoma gracilis P. Marshall, 1918 † accepted as Maurea gracilis (P. Marshall, 1918) † (original description)
Cardium (Glans) kaiparaensis P. Marshall, 1918 † accepted as Glyptoactis subintermedia (Suter, 1917) † (original description)
Conus (Leptoconus) lyratus P. Marshall, 1918 † accepted as Conilithes lyratus (P. Marshall, 1918) † (original description)
Conus (Lithoconus) abruptus P. Marshall, 1918 † accepted as Conus abruptus P. Marshall, 1918 † (original description)
Conus convexus P. Marshall, 1918 † accepted as Conus thorae H. J. Finlay, 1927 † (original description)
Coptochetus zelandicus P. Marshall, 1918 † accepted as Exilia zelandica (P. Marshall, 1918) † (original description)
Corbula nitens P. Marshall, 1918 † (original description)
Crenilabium zelandicum P. Marshall, 1918 † (original description)
Cymbiola calcar P. Marshall, 1918 † accepted as Clifdenia calcar (P. Marshall, 1918) † (original description)
Cymbiola masefieldi P. Marshall, 1918 † accepted as Eumitra nitens (P. Marshall, 1918) † (original description)
Cymbiola nitens P. Marshall, 1918 † accepted as Eumitra nitens (P. Marshall, 1918) † (original description)
Dolicholatirus (Pseudolatirus) ornatus P. Marshall, 1918 † accepted as Latirogona ornata (P. Marshall, 1918) † (original description)
Dosinia tumida P. Marshall, 1918 † accepted as Marama tumida (P. Marshall, 1918) † (original description)
Drillia tenuispiralis P. Marshall, 1918 † accepted as Austroclavus tenuispiralis (P. Marshall, 1918) † (original description)
Epitonium tricinctum P. Marshall, 1918 † accepted as Clathroscala tricincta (P. Marshall, 1918) † (original description)
Fusinus corrugatus P. Marshall, 1918 † accepted as Lepidocolus corrugata (P. Marshall, 1918) † (original description)
Heliacus aucklandicus P. Marshall, 1918 † accepted as Wangaloa aucklandica (P. Marshall, 1918) † (original description)
Macrocallista sculpturata P. Marshall, 1918 † accepted as Pitar (Hyphantosoma) sculpturata (P. Marshall, 1918) † accepted as Hyphantosoma sculpturata (P. Marshall, 1918) † (original description)
Mangilia axialis P. Marshall, 1918 † accepted as Anacithara axialis (P. Marshall, 1918) † (original description)
Mitrella inconspicua P. Marshall, 1918 † (original description)
Mytilus torquatus P. Marshall, 1918 † accepted as Septifer torquatus (P. Marshall, 1918) † (original description)
Pecten costatostriatus P. Marshall, 1918 † accepted as Mesopeplum costatostriatum (P. Marshall, 1918) † (original description)
Pecten subconvexus P. Marshall, 1918 † accepted as Mesopeplum kaiparaense (H. J. Finlay, 1924) † (original description)
Phos kaiparaensis P. Marshall, 1918 † accepted as Coralliophila kaiparaensis (P. Marshall, 1918) † (original description)
Phos spiralis P. Marshall, 1918 † accepted as Pisanianura spiralis (P. Marshall, 1918) † (original description)
Sarepta aucklandica P. Marshall, 1918 † (original description)
Siphonalia flexuosa P. Marshall, 1918 † accepted as Austrofusus flexuosus (P. Marshall, 1918) † (original description)
Spondylus aucklandicus P. Marshall, 1918 † (original description)
Surcula latiaxialis P. Marshall, 1918 † accepted as Comitas latiaxialis (P. Marshall, 1918) † (original description)
Surcula nitens P. Marshall, 1918 † accepted as Austroclavus nitens (P. Marshall, 1918) † (original description)
Surcula ordinaria P. Marshall, 1918 † accepted as Zemacies ordinaria (P. Marshall, 1918) † (original description)
Tellina (Arcopagia) inconspicua P. Marshall, 1918 † accepted as Abra marshalli (H. J. Finlay, 1927) † (original description)
Turris kaiparaensis P. Marshall, 1918 † accepted as Gemmula kaiparaensis (P. Marshall, 1918) † (original description)
Turris ornatus P. Marshall, 1918 † accepted as Gemmula ornata (P. Marshall, 1918) † (original description)
Vaginella torpedo P. Marshall, 1918 † accepted as Cuvierina torpedo (P. Marshall, 1918) † (original description)