Amphidesma (Taria) porrectum Marwick, 1928 † accepted as Paphies (Taria) subtriangulata (W. Wood, 1828) represented as Paphies subtriangulata (W. Wood, 1828) (original description)
Arca pittensis Marwick, 1928 † (original description)
Argalista arta Marwick, 1928 † (original description)
Argalista effusa Marwick, 1928 † (original description)
Ascitellina Marwick, 1928 accepted as Elliptotellina Cossmann, 1886 (original description)
Ascitellina donaciformis Marwick, 1928 † accepted as Elliptotellina donaciformis (Marwick, 1928) † (original description)
Atalacmea elata Marwick, 1928 † (original description)
Ataxocerithium simplex Marwick, 1928 † (original description)
Austromitra plicifera Marwick, 1928 † accepted as Peculator pliciferus (Marwick, 1928) † (original description)
Austrosipho (Verconella) asper Marwick, 1928 † accepted as Penion asper (Marwick, 1928) † (original description)
Barbatia (Acar) whangaensis Marwick, 1928 † accepted as Acar whangaensis (Marwick, 1928) † (original description)
Barbatia (Pugilarca) Marwick, 1928 † accepted as Pugilarca Marwick, 1928 † (original description)
Barbatia (Pugilarca) barneaformis Marwick, 1928 † accepted as Pugilarca barneaformis (Marwick, 1928) † (original description)
Bassinaria Marwick, 1928 † accepted as Circomphalus Mörch, 1853 (original description)
Bassinaria macclurgi Marwick, 1928 † accepted as Circomphalus yatei (J. E. Gray, 1835) accepted as Bassina (Callanaitis) yatei (J. E. Gray, 1835) represented as Bassina yatei (J. E. Gray, 1835) (original description)
Camptonectes selwynensis H. J. Finlay, 1927 † (new combination reference)
Cardita northcrofti Marwick, 1928 † (original description)
Chama pittensis Marwick, 1928 † accepted as Chama ruderalis Lamarck, 1819 (original description)
Chlamys mercuria Marwick, 1928 † (original description)
Chlamys seymouri Marwick, 1928 † accepted as Zygochlamys seymouri (Marwick, 1928) † (original description)
Chlamys titirangiensis Marwick, 1928 † accepted as Zygochlamys delicatula (F. W. Hutton, 1873) (original description)
Cirsotrema (Tioria) Marwick, 1928 † represented as Cirsotrema Mörch, 1852 (original description)
Cirsotrema (Tioria) youngi Marwick, 1928 † represented as Cirsotrema youngi Marwick, 1928 † (original description)
Cirsotrema chathamense Marwick, 1928 † (original description)
Cirsotrema parvulum Marwick, 1928 † (original description)
Cirsotrema propelyratum Marwick, 1928 † (original description)
Cochlis pittensis Marwick, 1928 † accepted as Tanea pittensis (Marwick, 1928) † (original description)
Cominella (Eucominia) bauckei Marwick, 1928 † represented as Cominella bauckei Marwick, 1928 † (original description)
Cominella (Eucominia) ellisoni Marwick, 1928 † represented as Cominella ellisoni Marwick, 1928 † (original description)
Condylocardia torquata Marwick, 1928 accepted as Condylocuna torquata (Marwick, 1928) (original description)
Corbula howesi Marwick, 1928 † (original description)
Corbula tophina Marwick, 1928 † (original description)
Ctenoides naufragus Marwick, 1928 † (original description)
Cuna antiqua Marwick, 1928 † (original description)
Cuna firma Marwick, 1928 † (original description)
Dosinia (Kereia) chathamensis Marwick, 1928 † represented as Dosinia chathamensis Marwick, 1928 † (original description)
Ellicea H. J. Finlay, 1928 † accepted as Aeneator (Ellicea) H. J. Finlay, 1928 accepted as Aeneator H. J. Finlay, 1926 (original description)
Ellicea (Pittella) Marwick, 1928 † accepted as Aeneator H. J. Finlay, 1926 (original description)
Ellicea (Pittella) valida Marwick, 1928 † accepted as Aeneator validus (Marwick, 1928) † (original description)
Emarginula galeriformis Marwick, 1928 † (original description)
Emarginula pittensis Marwick, 1928 † (original description)
Estea insulana Marwick, 1928 † accepted as Pisinna insulana (Marwick, 1928) (original description)
Estea subtilicosta Marwick, 1928 † accepted as Pisinna subtilicosta (Marwick, 1928) † (original description)
Globisinum mucronatum Marwick, 1928 † accepted as Globisinum drewi (Murdoch, 1899) (original description)
Glycymeris hunti Marwick, 1928 † (original description)
Guraleus lineatus Marwick, 1928 † accepted as Neoguraleus lineatus (Marwick, 1928) † (original description)
Imperator anthropophagus Marwick, 1928 † accepted as Astraea heliotropium (Martyn, 1784) (original description)
Inquisitor acutus Marwick, 1928 † accepted as Mauidrillia acuta (Marwick, 1928) † (original description)
Korovina accelerans Marwick, 1928 † accepted as Vanikoro accelerans (Marwick, 1928) † (original description)
Lentipecten Marwick, 1928 † (original description)
Lentipecten (Duplipecten) Marwick, 1928 † accepted as Duplipecten Marwick, 1928 † (original description)
Lentipecten (Duplipecten) imperfectus Marwick, 1928 † accepted as Eburneopecten imperfectus (Marwick, 1928) † (original description)
Leptomya concentrica Marwick, 1928 † (original description)
Lima vasis Marwick, 1928 † (original description)
Limatula morioria Marwick, 1928 † (original description)
Limea chathamensis Marwick, 1928 † (original description)
Limopsis invalida Marwick, 1928 † (original description)
Liracraea titirangiensis Marwick, 1928 † (original description)
Lissarca fossilis Marwick, 1928 † (original description)
Margarella runcinata Marwick, 1928 † (original description)
Marginella coxi Marwick, 1928 † accepted as Mesoginella coxi (Marwick, 1928) † (original description)
Marginella floralis Marwick, 1928 † accepted as Dentimargo floralis (Marwick, 1928) † (original description)
Maurea finlayi Marwick, 1928 † (original description)
Merelina avita Marwick, 1928 † (original description)
Mitrithara granum Marwick, 1928 † accepted as Mitromorpha granum (Marwick, 1928) † (original description)
Mixtipecten Marwick, 1928 † (original description)
Monia furcilla Marwick, 1928 † accepted as Monia zelandica (J. E. Gray, 1843) (original description)
Myllitella pinguis Marwick, 1928 accepted as Myllita pinguis (Marwick, 1928) (original description)
Mytilus (Aulacomya) willetsi Marwick, 1928 † accepted as Brachidontes willetsi (Marwick, 1928) † (original description)
Nemocardium diversum Marwick, 1928 † accepted as Pratulum marwicki (Beu & P. A. Maxwell, 1990) † (original description)
Neogaimardia elegantula Marwick, 1928 † accepted as Gaimardia (Neogaimardia) elegantula (Marwick, 1928) † represented as Gaimardia elegantula (Marwick, 1928) † (original description)
Notosinister insertus Marwick, 1928 † accepted as Monophorus insertus (Marwick, 1928) † (original description)
Notostrea H. J. Finlay, 1928 † accepted as Pycnodonte (Notostrea) H. J. Finlay, 1928 † represented as Pycnodonte Fischer von Waldheim, 1835 (original description)
Notostrea lubra H. J. Finlay, 1928 † accepted as Pycnodonte lubra (H. J. Finlay, 1928) † (original description)
Odostomia pittensis Marwick, 1928 † accepted as Agatha pittensis (Marwick, 1928) † (original description)
Ostrea arcula Marwick, 1928 † (original description)
Ostrea cannoni Marwick, 1928 † accepted as Crenostrea cannoni (Marwick, 1928) † (original description)
Ostrea waitangiensis Marwick, 1928 † (original description)
Perotrochus allani Marwick, 1928 † (original description)
Perrierina ovata Marwick, 1928 † (original description)
Phalium (Kahua) Marwick, 1928 † accepted as Semicassis (Kahua) Marwick, 1928 † represented as Semicassis Mörch, 1852 (original description)
Phalium (Kahua) skinneri Marwick, 1928 † accepted as Semicassis (Kahua) skinneri (Marwick, 1928) † represented as Semicassis skinneri (Marwick, 1928) † (original description)
Phenatoma decessor Marwick, 1928 † (original description)
Phialopecten Marwick, 1928 † (original description)
Philobrya galerita Marwick, 1928 † (original description)
Pittella Marwick, 1928 † accepted as Aeneator H. J. Finlay, 1926 (original description)
Rangimata Marwick, 1928 † (original description)
Rangimata pervia Marwick, 1928 † (original description)
Retusa pressa Marwick, 1928 † (original description)
Scalpomactra H. J. Finlay, 1928 (original description)
Sectipecten Marwick, 1928 † (original description)
Sectipecten (Athlopecten) Marwick, 1928 † accepted as Athlopecten Marwick, 1928 † (original description)
Sectipecten allani Marwick, 1928 † (original description)
Sectipecten toaensis Marwick, 1928 † accepted as Mesopeplum (Borehamia) toaense (Marwick, 1928) † represented as Mesopeplum toaense (Marwick, 1928) † (original description)
Serripecten Marwick, 1928 † (original description)
Serripecten (Janupecten) Marwick, 1928 † accepted as Janupecten Marwick, 1928 † (original description)
Serripecten (Janupecten) polemicus Marwick, 1928 † accepted as Janupecten polemicus (Marwick, 1928) † (original description)
Serripecten tiorioriensis Marwick, 1928 † (original description)
Tawera marthae Marwick, 1928 † (original description)
Trivia flora Marwick, 1928 accepted as Trivia zealandica T. W. Kirk, 1882 accepted as Ellatrivia zealandica (T. W. Kirk, 1882) † (original description)