Atamarcia Marwick, 1927 † (original description)
Bassina parva Marwick, 1927 † (original description)
Callistina (Tikia) Marwick, 1927 † accepted as Aphrodina (Tikia) Marwick, 1927 † represented as Aphrodina Conrad, 1869 † (original description)
Chione (Hinemoana) Marwick, 1927 † accepted as Hinemoana Marwick, 1927 † (original description)
Cyclorismina Marwick, 1927 † (original description)
Cyclorismina woodsi Marwick, 1927 † (original description)
Dosinia (Austrodosinia) horrida Marwick, 1927 † accepted as Dosinia anus (R. A. Philippi, 1847) (original description)
Dosinia (Austrodosinia) kaawaensis Marwick, 1927 † represented as Dosinia kaawaensis Marwick, 1927 † (original description)
Dosinia (Austrodosinia) waitakiensis Marwick, 1927 † represented as Dosinia waitakiensis Marwick, 1927 † (original description)
Dosinia (Kakahuia) Marwick, 1927 † accepted as Kakahuia Marwick, 1927 † (original description)
Dosinia (Kakahuia) suteri Marwick, 1927 † accepted as Kakahuia suteri (Marwick, 1927) † (original description)
Dosinia (Kereia) Marwick, 1927 represented as Dosinia Scopoli, 1777 (original description)
Dosinia (Kereia) cottoni Marwick, 1927 † represented as Dosinia cottoni Marwick, 1927 † (original description)
Dosinia (Kereia) densicosta Marwick, 1927 † represented as Dosinia densicosta Marwick, 1927 † (original description)
Dosinia (Kereia) mackayi Marwick, 1927 † represented as Dosinia mackayi Marwick, 1927 † (original description)
Dosinia (Kereia) ongleyi Marwick, 1927 † accepted as Dosinia ongleyi Marwick, 1927 † accepted as Dosinobia ongleyi (Marwick, 1927) † (original description)
Dosinia (Kereia) perplexa Marwick, 1927 † accepted as Dosinobia perplexa (Marwick, 1927) † (original description)
Dosinia (Kereia) waiparaensis Marwick, 1927 † represented as Dosinia waiparaensis Marwick, 1927 † (original description)
Dosinia (Phacosoma) wanganuiensis Marwick, 1927 † accepted as Dosinia (Phacosoma) subrosea (Gray, 1835) represented as Dosinia subrosea (J. E. Gray, 1835) (original description)
Dosinia (Raina) Marwick, 1927 represented as Dosinia Scopoli, 1777 (original description)
Dosinia (Raina) bensoni Marwick, 1927 † represented as Dosinia bensoni Marwick, 1927 † (original description)
Dosinia (Raina) nukumaruensis Marwick, 1927 † represented as Dosinia nukumaruensis Marwick, 1927 † (original description)
Dosinia (Raina) paparoaensis Marwick, 1927 † represented as Dosinia paparoaensis Marwick, 1927 † (original description)
Dosinia (Raina) waipipiensis Marwick, 1927 † represented as Dosinia waipipiensis Marwick, 1927 † (original description)
Dosinula firmocosta Marwick, 1927 † accepted as Dosina firmocosta (Marwick, 1927) † (original description)
Dosinula suboblonga Marwick, 1927 † accepted as Dosina suboblonga (Marwick, 1927) † (original description)
Dosinula uttleyi Marwick, 1927 † accepted as Dosina uttleyi (Marwick, 1927) † (original description)
Eumarcia (Atamarcia) Marwick, 1927 † accepted as Atamarcia Marwick, 1927 † (original description)
Eumarcia (Atamarcia) benhami Marwick, 1927 † accepted as Atamarcia benhami (Marwick, 1927) † (original description)
Eumarcia (Atamarcia) crassa Marwick, 1927 † accepted as Atamarcia crassa (Marwick, 1927) † (original description)
Eumarcia (Atamarcia) crassatelliformis Marwick, 1927 † accepted as Atamarcia crassatelliformis (Marwick, 1927) † (original description)
Eumarcia (Atamarcia) sulcifera Marwick, 1927 † accepted as Atamarcia sulcifera (Marwick, 1927) † (original description)
Eumarcia (Atamarcia) thomsoni Marwick, 1927 † accepted as Atamarcia thomsoni (Marwick, 1927) † (original description)
Eumarcia (Eumarcia) plana Marwick, 1927 † accepted as Eumarcia plana Marwick, 1927 † (original description)
Eumarcia altilunula Marwick, 1927 † accepted as Cyclomactra altilunula (Marwick, 1927) † (original description)
Eumarcia kaawaensis Marwick, 1927 † (original description)
Finlaya Marwick, 1927 † accepted as Marwickia Finlay, 1930 † (original description)
Finlaya parthiana Marwick, 1927 † accepted as Marwickia parthiana (Marwick, 1927) † (original description)
Gomphina (Gomphinella) Marwick, 1927 accepted as Gomphina Mörch, 1853 (original description)
Gomphinella Marwick, 1927 accepted as Gomphina Mörch, 1853 (original description)
Kuia Marwick, 1927 † (original description)
Kuia macdowelli Marwick, 1927 † (original description)
Kuia singularis Marwick, 1927 † accepted as Marama (Hina) singularis (Marwick, 1927) † represented as Marama singularis (Marwick, 1927) † (original description)
Marama Marwick, 1927 † (original description)
Marama (Hina) Marwick, 1927 represented as Marama Marwick, 1927 † (original description)
Marama (Hina) hendersoni Marwick, 1927 † represented as Marama hendersoni Marwick, 1927 † (original description)
Marama (Hina) mackenziei Marwick, 1927 † represented as Marama mackenziei Marwick, 1927 † (original description)
Marama (Hina) pinguis Marwick, 1927 † represented as Marama pinguis Marwick, 1927 † (original description)
Marama (Hina) vaga Marwick, 1927 † represented as Marama vaga Marwick, 1927 † (original description)
Marama (Hina) williamsi Marwick, 1927 † represented as Marama williamsi Marwick, 1927 † (original description)
Marama (Marama) murdochi Marwick, 1927 † represented as Marama murdochi Marwick, 1927 † (original description)
Marama (Marama) ovata Marwick, 1927 † represented as Marama ovata Marwick, 1927 † (original description)
Marama (Marama) pristina Marwick, 1927 † represented as Marama pristina Marwick, 1927 † (original description)
Marama hurupiensis Marwick, 1927 † (original description)
Paphia (Callistotapes) Sacco, 1900 accepted as Polititapes Chiamenti, 1900 (basis of record)
Paphia (Callistotapes) finlayi Marwick, 1927 † represented as Paphia finlayi Marwick, 1927 † (original description)
Paradione (Notocallista) parki Marwick, 1927 † accepted as Notocallista (Fossacallista) parki (Marwick, 1927) † represented as Notocallista parki (Marwick, 1927) † (original description)
Paradione (Notocallista) trigonalis Marwick, 1927 † accepted as Rohea trigonalis (Marwick, 1927) † (original description)
Protothaca (Tuangia) Marwick, 1927 accepted as Leukoma E. Römer, 1857 (original description)
Tawera Marwick, 1927 (original description)
Tawera bartrumi Marwick, 1927 † (original description)
Tawera carri Marwick, 1927 † (original description)
Tawera errans Marwick, 1927 † (original description)
Tawera marshalli Marwick, 1927 † (original description)
Tawera wanganuiensis Marwick, 1927 † (original description)
Turia Marwick, 1927 † (original description)
Turia bortonensis Marwick, 1927 † (original description)
Turia chattonensis Marwick, 1927 † (original description)
Turia pukeuriensis Marwick, 1927 † (original description)
Turia waiauensis Marwick, 1927 † (original description)