Aeneator H. J. Finlay, 1926 (original description)
Alipta H. J. Finlay, 1926 (original description)
Amphidesma forsteriana H. J. Finlay, 1926 accepted as Paphies donacina (Spengler, 1793) (original description)
Ancilla (Pinguispira) H. J. Finlay, 1926 accepted as Amalda (Baryspira) P. Fischer, 1883 represented as Amalda H. Adams & A. Adams, 1853 (original description)
Anisodiloma H. J. Finlay, 1926 accepted as Diloma R. A. Philippi, 1845 (original description)
Anisodiloma lugubre lenior H. J. Finlay, 1926 accepted as Diloma bicanaliculatum (Dunker, 1845) (original description)
Antisolarium H. J. Finlay, 1926 (original description)
Antisolarium egenum (A. Gould, 1849) (new combination reference)
Antizafra H. J. Finlay, 1926 † (original description)
Arthritica H. J. Finlay, 1926 (original description)
Ataxocerithium nodicingulatum H. J. Finlay, 1924 † accepted as Ataxocerithium pyramidale H. J. Finlay, 1924 † (source of synonymy)
Ataxocerithium pyramidale robustum H. J. Finlay, 1924 † accepted as Ataxocerithium robustum H. J. Finlay, 1924 † (source of synonymy)
Ataxocerithium quadricingulatum H. J. Finlay, 1924 † accepted as Ataxocerithium robustum H. J. Finlay, 1924 † (source of synonymy)
Austromitra H. J. Finlay, 1926 (original description)
Austromitra rubiradix H. J. Finlay, 1926 accepted as Austromitra rubiginosa (F. W. Hutton, 1873) (original description)
Austrovenus H. J. Finlay, 1926 (original description)
Axymene H. J. Finlay, 1926 (original description)
Axymene (Lenitrophon) H. J. Finlay, 1926 accepted as Lenitrophon H. J. Finlay, 1926 (original description)
Axymene turbator H. J. Finlay, 1926 accepted as Axymene aucklandicus (E. A. Smith, 1902) (original description)
Baryspira (Pinguispira) H. J. Finlay, 1926 accepted as Amalda (Baryspira) P. Fischer, 1883 represented as Amalda H. Adams & A. Adams, 1853 (original description)
Benhamina H. J. Finlay, 1926 accepted as Siphonaria G. B. Sowerby I, 1823 (original description)
Brookesena H. J. Finlay, 1926 (original description)
Brookula prognata H. J. Finlay, 1926 (original description)
Buccinulum (Evarnula) H. J. Finlay, 1926 accepted as Buccinulum Deshayes, 1830 (original description)
Buccinulum sufflatum H. J. Finlay, 1926 accepted as Buccinulum linea (Martyn, 1784) (original description)
Cadulus teliger H. J. Finlay, 1926 (original description)
Cantharidus (Plumbelenchus) H. J. Finlay, 1926 accepted as Plumbelenchus H. J. Finlay, 1926 accepted as Cantharidus Montfort, 1810 (original description)
Cardita aoteana H. J. Finlay, 1926 accepted as Cardita distorta Reeve, 1843 (original description)
Cardita brookesi H. J. Finlay, 1926 accepted as Powellina brookesi (Finlay, 1926) (original description)
Cavodiloma H. J. Finlay, 1926 accepted as Diloma R. A. Philippi, 1845 (original description)
Charonia capax H. J. Finlay, 1926 accepted as Charonia lampas (Linnaeus, 1758) (original description)
Charonia capax euclioides H. J. Finlay, 1926 accepted as Charonia lampas (Linnaeus, 1758) (original description)
Cleidothaerus maorianus H. J. Finlay, 1926 accepted as Cleidothaerus albidus (Lamarck, 1819) (original description)
Colpospira J. Donald, 1900 (additional source)
Colpospira cordismei (R. B. Watson, 1881) (new combination reference)
Colpospira platyspira (Tenison Woods, 1879) † (new combination reference)
Colpospira sinuata (Reeve, 1849) (new combination reference)
Coluzea H. J. Finlay, 1926 accepted as Coluzea H. J. Finlay [in Allan], 1926 (original description)
Comptella H. J. Finlay, 1926 (original description)
Conjectura H. J. Finlay, 1926 (original description)
Conominolia H. J. Finlay, 1926 † (original description)
Cosa H. J. Finlay, 1926 (original description)
Costokidderia H. J. Finlay, 1926 accepted as Kidderia (Costokidderia) Finlay, 1926 represented as Kidderia Dall, 1876 (original description)
Costokidderia lyallensis H. J. Finlay, 1926 accepted as Kidderia costata Odhner, 1924 (original description)
Costokidderia pedica H. J. Finlay, 1926 accepted as Kidderia costata Odhner, 1924 (original description)
Crosseola errata Finlay, 1926 (original description)
Ctenocolpus warburtoni (Tenison Woods, 1877) † accepted as Turritella warburtonii Tenison Woods, 1877 † (new combination reference)
Cuna laqueus H. J. Finlay, 1926 (original description)
Cyclochlamys H. J. Finlay, 1926 (original description)
Cyclochlamys secundus H. J. Finlay, 1926 accepted as Cyclopecten secundus (H. J. Finlay, 1926) (original description)
Cylichnina opima H. J. Finlay, 1926 accepted as Retusa opima (H. J. Finlay, 1926) (original description)
Diplomitra Finlay, 1926 † accepted as Eumitra Tate, 1889 (original description)
Dolicheolis H. J. Finlay, 1926 accepted as Fiona Alder & Hancock, 1853 (original description)
Dolicrossea vesca H. J. Finlay, 1926 (original description)
Dosinula H. J. Finlay, 1926 accepted as Dosina J. E. Gray, 1835 (original description)
Egestas Finlay, 1926 (original description)
Fusitriton laudandus H. J. Finlay, 1926 (original description)
Gaimardia aucklandica Finlay, 1926 accepted as Gaimardia forsteriana aucklandica H. J. Finlay, 1926 (original description)
Gaimardia forsteriana H. J. Finlay, 1926 (original description)
Gazameda Iredale, 1924 (additional source)
Gazameda gunnii (Reeve, 1849) (additional source)
Gazameda tasmanica (Reeve, 1849) (new combination reference)
Gibbula nitida A. Adams & Angas, 1864 accepted as Micrelenchus tessellatus (A. Adams, 1853) (source of synonymy)
Glaphyrina H. J. Finlay, 1926 (original description)
Glaphyrina vulpicolor progenitor H. J. Finlay, 1926 † accepted as Glaphyrina caudata (Quoy & Gaimard, 1833) (original description)
Gondwanula Finlay, 1926 accepted as Argobuccinum Herrmannsen, 1846 (original description)
Hebeseila H. J. Finlay, 1926 accepted as Seila (Hebeseila) H. J. Finlay, 1926 represented as Seila A. Adams, 1861 (original description)
Incilaster H. J. Finlay, 1926 accepted as Bolma Risso, 1826 (original description)
Irona Finlay, 1926 accepted as Irus (Notirus) Finlay, 1928 represented as Irus F. C. Schmidt, 1818 (original description)
Kidderia hamiltoni H. J. Finlay, 1926 accepted as Kidderia bicolor (E. von Martens, 1885) (original description)
Laevilitorina (Macquariella) H. J. Finlay, 1926 represented as Laevilitorina Pfeffer, 1886 (original description)
Lilax Finlay, 1926 accepted as Stephopoma Mörch, 1860 (original description)
Limatula maoria H. J. Finlay, 1926 (original description)
Liotella indigens H. J. Finlay, 1926 (original description)
Liratilia H. J. Finlay, 1926 (original description)
Lissotesta errata H. J. Finlay, 1926 (original description)
Macomona H. J. Finlay, 1926 (original description)
Macrozafra H. J. Finlay, 1926 (original description)
Maoricolpus H. J. Finlay, 1926 (original description)
Maoricolpus roseus (Quoy & Gaimard, 1834) (new combination reference)
Maoricrypta H. J. Finlay, 1926 (original description)
Maoricrypta (Zeacrypta) Finlay, 1926 accepted as Maoricrypta H. J. Finlay, 1926 (original description)
Maoritellina Finlay, 1926 accepted as Serratina Pallary, 1920 (original description)
Maoritellina charlottae (E. A. Smith, 1885) accepted as Serratina charlottae (E. A. Smith, 1885) (basis of record)
Marshallena Finlay, 1926 (original description)
Mayena zelandica H. J. Finlay, 1926 accepted as Ranella australasia (G. Perry, 1811) (original description)
Melarhaphe zelandiae Finlay, 1926 accepted as Austrolittorina cincta (Quoy & Gaimard, 1833) (original description)
Merelina plaga H. J. Finlay, 1926 (original description)
Micrelenchus H. J. Finlay, 1926 (original description)
Mitra maoria H. J. Finlay, 1926 accepted as Isara carbonaria (Swainson, 1822) (original description)
Monodilepas H. J. Finlay, 1926 (original description)
Munditia H. J. Finlay, 1926 (original description)
Murdochella H. J. Finlay, 1926 (original description)
Murdochella alacer H. J. Finlay, 1926 (original description)
Myllitella H. J. Finlay, 1926 accepted as Myllita (Myllitella) H. J. Finlay, 1926 represented as Myllita A. d'Orbigny & Récluz, 1850 (original description)
Myllitella vivens H. J. Finlay, 1926 accepted as Myllita vivens (Finlay, 1926) (original description)
Nacella macquariensis Finlay, 1926 (original description)
Nannoscrobs H. J. Finlay, 1926 accepted as Anabathron (Scrobs) R. B. Watson, 1886 represented as Anabathron Frauenfeld, 1867 (original description)
Nassarius aoteanus H. J. Finlay, 1926 (original description)
Nilsia Finlay, 1926 (original description)

Macquarie Island Exclusive Economic Zone for Nacella macquariensis Finlay, 1926 

 Grammatical gender

 for Notocrater Finlay, 1926

masculine, as terminated with classical Latin word crater, -eris (a kind of vase) [details]

 Nomenclature

 for Seila chathamensis Suter, 1908

Has priority over Seila cochleata Suter, 1908 by first reviser's choice of Finlay (1927: 382). [details]