Acteon articulatus Marwick, 1931 † (original description)
Acteon infulatus Marwick, 1931 † (original description)
Alcithoe concisa Marwick, 1931 † (original description)
Alcithoe strongi Marwick, 1931 † accepted as Mauithoe strongi (Marwick, 1931) † (original description)
Anapepta finlayi Marwick, 1931 † accepted as Brocchinia finlayi (Marwick, 1931) † (original description)
Anapepta nucleosa Marwick, 1931 † accepted as Brocchinia nucleosa (Marwick, 1931) † (original description)
Antisolarium castigatum Marwick, 1931 † accepted as Zetela castigata (Marwick, 1931) † (original description)
Architectonica (Discotectonica) Marwick, 1931 † accepted as Discotectonica Marwick, 1931 (original description)
Architectonica (Discotectonica) seniscula Marwick, 1931 † accepted as Architectonica seniscula Marwick, 1931 † accepted as Discotectonica seniscula (Marwick, 1931) † (original description)
Astele boileaui Marwick, 1931 † (original description)
Atys improcerus Marwick, 1931 † accepted as Pyrunculus improcerus (Marwick, 1931) † (original description)
Atys maorinus Marwick, 1931 † (original description)
Austrodrillia afflicta Marwick, 1931 † accepted as Splendrillia afflicta (Marwick, 1931) † (original description)
Austrodrillia bijuga Marwick, 1931 † accepted as Hauturua bijuga (Marwick, 1931) † (original description)
Austrodrillia exiguescens Marwick, 1931 † accepted as Hauturua exiguescens (Marwick, 1931) † (original description)
Austrodrillia filiculosa Marwick, 1931 † accepted as Splendrillia filiculosa (Marwick, 1931) † (original description)
Austrodrillia laevella Marwick, 1931 † accepted as Hauturua laevella (Marwick, 1931) † (original description)
Austrodrillia tersa Marwick, 1931 † accepted as Rugobela tersa (Marwick, 1931) † (original description)
Austrofusus (Nassicola) cingulifer Marwick, 1931 † accepted as Nassicola cingulifera (Marwick, 1931) † (original description)
Austrofusus (Neocola) demissus Marwick, 1931 † represented as Austrofusus demissus Marwick, 1931 † (original description)
Austrofusus tuberculatus Marwick, 1931 † accepted as Austrofusus coerulescens (H. J. Finlay, 1930) † (original description)
Austromitra caudata Marwick, 1931 † accepted as Costellaria caudata (Marwick, 1931) † accepted as Vexillum caudatum (Marwick, 1931) † (original description)
Austrotoma deducta Marwick, 1931 † (original description)
Austrotoma molinei Marwick, 1931 † (original description)
Austrotriton morgani Marwick, 1931 † accepted as Sassia tortirostris (Tate, 1888) † accepted as Austrosassia tortirostris (Tate, 1888) † (original description)
Awateria karakaensis Marwick, 1931 † (original description)
Baryspira brevicula Marwick, 1931 † accepted as Amalda brevicula (Marwick, 1931) † (original description)
Baryspira tholiculus Marwick, 1931 † accepted as Amalda tholiculus (Marwick, 1931) † (original description)
Bonellitia fundata Marwick, 1931 † (original description)
Borsonella sinelirata Marwick, 1931 † (original description)
Brookesena quadricincta Marwick, 1931 † accepted as Veterator quadricinctus (Marwick, 1931) † (original description)
Buccinulum ectypum Marwick, 1931 † accepted as Gemmocolus ectypa (Marwick, 1931) † (original description)
Cadulus (Gadilopsis) prosperus Marwick, 1931 † accepted as Striocadulus prosperus (Marwick, 1931) † (original description)
Chlamys (Phialopecten) tolagaensis Marwick, 1931 † accepted as Phialopecten tolagaensis (Marwick, 1931) † (original description)
Cominella (Acominia) crassinodosa Marwick, 1931 † accepted as Cominella crassinodosa Marwick, 1931 † (original description)
Cominella (Paracominia) macphersoni Marwick, 1931 accepted as Paracominia macphersoni (Marwick, 1931) † (original description)
Comitas bilix Marwick, 1931 † (original description)
Conjectura proava Marwick, 1931 † accepted as Cirsonella proava (Marwick, 1931) † (original description)
Conospirus oliveri Marwick, 1931 † accepted as Conilithes oliveri (Marwick, 1931) † (original description)
Conus (Lithoconus) hendersoni Marwick, 1931 accepted as Conus hendersoni Marwick, 1931 † (original description)
Cosmasyrinx Marwick, 1931 † (original description)
Cosmasyrinx ardua Marwick, 1931 † (original description)
Cosmasyrinx latior Marwick, 1931 † (original description)
Cosmasyrinx monilifera Marwick, 1931 † (original description)
Cosmasyrinx tereumera Marwick, 1931 † (original description)
Cratis ovata Marwick, 1931 † (original description)
Crenostrea Marwick, 1931 † (original description)
Ctenamussium vafer Marwick, 1931 † accepted as Parvamussium vafer (Marwick, 1931) † (original description)
Cuna tuta Marwick, 1931 † (original description)
Cuspidaria (Cardiomya) stenhousei Marwick, 1931 † accepted as Cardiomya stenhousei (Marwick, 1931) † (original description)
Cuspidaria beneansata Marwick, 1931 † (original description)
Cylichnania Marwick, 1931 † (original description)
Cylichnania bartrumi Marwick, 1931 † (original description)
Cylichnania circumscripta Marwick, 1931 † (original description)
Cylichnania clatrellata Marwick, 1931 † accepted as Taita clatrellata (Marwick, 1931) † (original description)
Dentalium (Laevidentalium) filum Marwick, 1931 accepted as Laevidentalium waihoraense W. K. Emerson, 1954 † (original description)
Dentalium ihungia Marwick, 1931 † (original description)
Elachorbis edomita Marwick, 1931 † accepted as Circulus edomitus (Marwick, 1931) † (original description)
Ellicea conformata Marwick, 1931 † accepted as Aeneator conformatus (Marwick, 1931) † (original description)
Epideira filaris Marwick, 1931 † accepted as Bathytoma filaris (Marwick, 1931) † (original description)
Epideira fortinodosa Marwick, 1931 † accepted as Bathytoma fortinodosa (Marwick, 1931) † (original description)
Epideira media Marwick, 1931 † accepted as Bathytoma media (Marwick, 1931) † (original description)
Epideira ngatapa Marwick, 1931 † accepted as Bathytoma ngatapa (Marwick, 1931) † (original description)
Epideira pergracilis Marwick, 1931 † accepted as Bathytoma pergracilis (Marwick, 1931) † (original description)
Epideira praecisa Marwick, 1931 † accepted as Bathytoma praecisa (Marwick, 1931) † (original description)
Epideira tenuineta Marwick, 1931 † accepted as Bathytoma tenuineta (Marwick, 1931) † (original description)
Eubela monile Marwick, 1931 † (original description)
Eulima incondita Marwick, 1931 † (original description)
Eulopia (Notomyrtea) supraflexa Marwick, 1931 † accepted as Myrtea supraflexa (Marwick, 1931) † (original description)
Falsicolus orientalis Marwick, 1931 † (original description)
Filodrillia rupta Marwick, 1931 † accepted as Drilliola rupta (Marwick, 1931) † (original description)
Filodrillia torquatella Marwick, 1931 † accepted as Maoritomella torquatella (Marwick, 1931) † (original description)
Friginatica marshalli Marwick, 1931 † (original description)
Galeodea wylliei Marwick, 1931 † (original description)
Gemmula orba Marwick, 1931 † (original description)
Gemmula peraspera Marwick, 1931 † (original description)
Glycymeris mahiana Marwick, 1931 † (original description)
Glycymeris rectidorsalis Marwick, 1931 † accepted as Glycymerita rectidorsalis (Marwick, 1931) † (original description)
Glycymeris reevei Marwick, 1931 † accepted as Glycymerita marwicki (Matsukuma & Grant-Mackie, 1979) † (original description)
Haurakia buccella Marwick, 1931 † (original description)
Heterocithara laterculus Marwick, 1931 † (original description)
Hipponix centrifugalis Marwick, 1931 † accepted as Antisabia centrifugalis (Marwick, 1931) † (original description)
Ihungia Marwick, 1931 † (original description)
Ihungia amberleya Marwick, 1931 † (original description)
Ihungia bicarina Marwick, 1931 † (original description)
Ihungia luteophila Marwick, 1931 † (original description)
Inquisitor exigua Marwick, 1931 † accepted as Aoteadrillia exigua (Marwick, 1931) † (original description)
Inquisitor hebes Marwick, 1931 † (original description)
Inquisitor ihungia Marwick, 1931 † accepted as Aoteadrillia ihungia (Marwick, 1931) † (original description)
Inquisitor waihoraensis Marwick, 1931 † (original description)
Insolentia famelica Marwick, 1931 † accepted as Austroclavus famelicus (Marwick, 1931) † (original description)
Insolentia inaequalis Marwick, 1931 † (original description)
Itia Marwick, 1931 † (original description)
Itia clatrata Marwick, 1931 † (original description)
Kaitoa Marwick, 1931 (original description)
Kaitoa haroldi Marwick, 1931 † (original description)
Kaitoa islandica Marwick, 1931 † (original description)
Katelysia lunulata Marwick, 1931 † (original description)
Kaweka Marwick, 1931 † (original description)
Kaweka exilis Marwick, 1931 † (original description)