Acominia adspersa nimia H. J. Finlay, 1928 accepted as Cominella adspersa (Bruguière, 1789) (original description)
Austrofusus chathamensis H. J. Finlay, 1928 (original description)
Austronoba martini H. J. Finlay, 1928 accepted as Fictonoba carnosa martini (H. J. Finlay, 1928) (original description)
Bembiciidae H. J. Finlay, 1928 accepted as Lacuninae Gray, 1857 (original description)
Buccinulidae H. J. Finlay, 1928 accepted as Tudiclidae Cossmann, 1901 (original description)
Buccinulinae H. J. Finlay, 1928 accepted as Tudiclidae Cossmann, 1901 (original description)
Buccinulum (Chathamina) H. J. Finlay, 1928 accepted as Buccinulum Deshayes, 1830 (original description)
Buccinulum (Chathamina) characteristica H. J. Finlay, 1928 accepted as Buccinulum linea (Martyn, 1784) (original description)
Buccinulum pallidum H. J. Finlay, 1928 (original description)
Chlamys celator H. J. Finlay, 1928 accepted as Talochlamys zelandiae (J. E. Gray, 1843) (original description)
Chlamys suprasilis H. J. Finlay, 1928 accepted as Talochlamys zelandiae (J. E. Gray, 1843) (original description)
Emarginula striatula valentior Finlay, 1928 accepted as Emarginula striatula Quoy & Gaimard, 1834 (original description)
Eucominia iredalei H. J. Finlay, 1928 accepted as Cominella (Eucominia) nassoides iredalei (H. J. Finlay, 1928) represented as Cominella nassoides iredalei (H. J. Finlay, 1928) (original description)
Eulima archeyi H. J. Finlay, 1928 accepted as Melanella archeyi (H. J. Finlay, 1928) (original description)
Evarnula marwicki H. J. Finlay, 1928 accepted as Buccinulum pertinax (E. von Martens, 1878) (original description)
Gumina H. J. Finlay, 1928 (original description)
Lasaea hinemoa H. J. Finlay, 1928 (original description)
Lasaea rossiana H. J. Finlay, 1928 accepted as Lasaea hinemoa H. J. Finlay, 1928 (original description)
Lasaea rossiana vexata H. J. Finlay, 1928 accepted as Lasaea hinemoa H. J. Finlay, 1928 (original description)
Lepsithais H. J. Finlay, 1928 accepted as Haustrum G. Perry, 1811 (original description)
Lepsithais youngi H. J. Finlay, 1928 accepted as Haustrum lacunosum (Bruguière, 1789) (original description)
Longimactra H. J. Finlay, 1928 accepted as Oxyperas Mörch, 1853 (original description)
Lopha pahiensis Finlay, 1928 † accepted as Cubitostrea gudexi (Suter, 1917) † (original description)
Lyroseila H. J. Finlay, 1928 accepted as Seila (Lyroseila) H. J. Finlay, 1928 represented as Seila A. Adams, 1861 (original description)
Maorimactra H. J. Finlay, 1928 (original description)
Marinula chathamensis Finlay, 1928 accepted as Marinula filholi F. W. Hutton, 1878 (original description)
Monodilepas skinneri H. J. Finlay, 1928 (original description)
Montfortula chathamensis Finlay, 1928 (original description)
Nepotilla (Zenepos) Finlay, 1928 accepted as Zenepos H. J. Finlay, 1928 (original description)
Notirus Finlay, 1928 accepted as Irus (Notirus) Finlay, 1928 represented as Irus F. C. Schmidt, 1818 (original description)
Nucula dunedinensis H. J. Finlay, 1928 (original description)
Ostrea charlottae H. J. Finlay, 1928 accepted as Ostrea chilensis Küster, 1844 (original description)
Ostrea fococarens Finlay, 1928 accepted as Ostrea chilensis Küster, 1844 (original description)
Ostrea hefferdi Finlay, 1928 accepted as Ostrea chilensis Küster, 1844 (original description)
Paphiinae Finlay, 1928 accepted as Tapetinae J. E. Gray, 1851 (original description)
Paxula allani H. J. Finlay, 1928 (original description)
Siphonaliinae Finlay, 1928 (original description)
Talopiidae Finlay, 1928 accepted as Umboniinae H. Adams & A. Adams, 1854 (1840) (original description)
Talopiini Finlay, 1928 accepted as Umboniinae H. Adams & A. Adams, 1854 (1840) (original description)
Tawera marionae H. J. Finlay, 1928 (original description)
Trichosirius inornatus chathamensis Finlay, 1928 accepted as Trichosirius inornatus (F. W. Hutton, 1873) (original description)
Uberella H. J. Finlay, 1928 (original description)
Xenogalea collactea H. J. Finlay, 1928 accepted as Semicassis labiata (G. Perry, 1811) (original description)
Xenogalea powelli H. J. Finlay, 1928 accepted as Semicassis pyrum (Lamarck, 1822) (original description)