- ausavense, Lobotornoceras ausavense (Steininger, 1849 †) - (TORNOCERATIDAE) (FOSSIL)
- ausavense crassum, Tornoceras ausavense crassum Matern, 1931 † - syn of: Crassotornoceras crassum (Matern, 1931 †) - (TORNOCERATIDAE) (FOSSIL)
- ausavensis, Goniatites ausavensis Steininger, 1849 † - syn of: Lobotornoceras ausavense (Steininger, 1849 †) - (GONIATITIDAE) (FOSSIL)
- auscitanica, Cernuella auscitanica M.M. Gourdon, 1889 - syn of: Cernuella neglecta (J.P.R. Draparnaud, 1805) - (HYGROMIIDAE)
- Auseria, Genus Auseria Fucini, 1895 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- ausiensis, Mactromeris ausiensis L. Krishtofovich, 1994 † - (MACTRIDAE) (FOSSIL)
- ausiensis, Modiolus ausiensis Ilyina, 1957 † - (MYTILIDAE) (FOSSIL)
- ausiensis, Kaneharaia ausiensis Ilyina, 1957 † - (VENERIDAE) (FOSSIL)
- Ausoba, syn of: Genus Cymbiola W.J. Swainson, 1831 (VOLUTIDAE)
- ausonia, Omalogyra ausonia S. Palazzi, 1988 - syn of: Palazzia ausonia (S. Palazzi, 1988) - (OMALOGYRIDAE)
- ausonia, Palazzia ausonia (S. Palazzi, 1988) - (SEGUENZIOIDEA (UNASSIGNED))
- ausonia, Vertigo ausonia C. De Stefani, 1883 - syn of: Isthmia pygmaea (J.P.R. Draparnaud, 1801) - (VERTIGINIDAE)
- ausonicum, Reynesoceras ausonicum (Fucini 1900 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- ausoniformis, Anatropites ausoniformis Tozer, 1994 † - (TROPITIDAE) (FOSSIL)
- auspicum, Metacalycoceras auspicum Anderson, 1958 † - syn of: Calycoceras naviculare (Mantell, 1822 †) - (ACANTHOCERATIDAE) (FOSSIL)
- ausseanus, Proarcestes ausseanus (J. Von Hauer, 1847 †) - (ARCESTIDAE) (FOSSIL)
- ausseeanus, Proarcestes ausseeanus (J. Von Hauer, 1847 †) - (ARCESTIDAE) (FOSSIL)
- ausseeanus, Atractites ausseeanus Mojsisovics, 1871 † - (XIPHOTEUTHIDIDAE) (FOSSIL)
- aussiorum, Austrotrivia aussiorum (C.N. Cate, 1979) - (TRIVIIDAE)
- aussiorum, Proterato aussiorum (C.N. Cate, 1979) - syn of: Austrotrivia aussiorum (C.N. Cate, 1979) - (TRIVIIDAE)
- Aussites, Genus Aussites (AULACOCERIDA (UNASSIGNED)) (FOSSIL)
- austeni, Ammonites austeni Sharpe, 1855 † - syn of: Austiniceras austeni (Sharpe, 1855 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- austeni, Scaphula austeni (E. Forbes, 1845 †) - (ARCIDAE) (FOSSIL)
- austeni, Khasiella austeni (W.T. Blanford, 1870) - (ARIOPHANTIDAE)
- austeni, Microparmarion austeni H.R. Simroth, 1893 - (ARIOPHANTIDAE)
- austeni, Clausilia austeni W.T. Blanford - (CLAUSILIIDAE)
- austeni, Austiniceras austeni (Sharpe, 1855 †) - (DESMOCERATIDAE) (FOSSIL)
- austeni, Diplommatina austeni W.T. Blanford, 1868 - (DIPLOMMATINIDAE)
- austeni, Opisthostoma austeni E.A. Smith, 1894 - (DIPLOMMATINIDAE)
- austeni, Camptoceras austeni W.T. Blanford, 1871 - (PLANORBIDAE)
- austeni, Chersaecia austeni (G.P.L.K. Gude, 1899) - (PLECTOPYLIDAE)
- austeni, Sphaerium austeni B. Prashad, 1921 - (SPHAERIIDAE)
- Austenia, Genus Austenia G. Nevill, 1878 (ARIOPHANTIDAE)
- Austenia, syn of: Genus Ruthvenia G.P.L.K. Gude, 1911 (CHAROPIDAE)
- austeniana, Parakaliella austeniana (H.A. Pilsbry & Y. Hirase, 1901) - (HELICARIONIDAE)
- austeniana, Mactra austeniana C.J. Maury, 1912 † - (MACTRIDAE) (FOSSIL)
- austeniana, Pagodulina austeniana G. Nevill, 1880 - (ORCULIDAE)
- austeniana, Tortulosa austeniana T. Kira, 1955 - (PUPINIDAE)
- austeniana, Tivela austeniana C.J. Maury, 1912 † - (VENERIDAE) (FOSSIL)
- austeniana adamii, Pagodulina austeniana adamii (C.A. Westerlund, 1887) - (ORCULIDAE)
- austeniana marginans, Pagodulina austeniana marginans M. Klemm, 1939 - (ORCULIDAE)
- austenianus, Subzebrinus coelocentrus austenianus (C.M.F. Ancey, 1893) - (ENIDAE)
- austera, Chauvetia austera P.G. Oliver & E. Rolán, 2009 - (BUCCINIDAE)
- austera, Gyrocochlea austera (C. Hedley, 1912) - (CHAROPIDAE)
- austera, Helix austera C.A. Westerlund, 1889 - syn of: Marmorana serpentina isarae (M. Paulucci, 1882) - (HELICIDAE)
- austerocallosa, Antarctodarwinella austerocallosa J.D. Stilwell & al., 2004 † - (STRUTHIOLARIIDAE) (FOSSIL)
- Austerum, Genus Austerum Heidecker, 1959 (EUOMPHALIDAE) (FOSSIL)
- austinclarki, Gadila austinclarki (W.K. Emerson, 1951) - (GADILIDAE)
- austinense, Goodhallites austinense (F.A. Roemer, 1852 †) - (BRANCOCERATIDAE) (FOSSIL)
- austinense, Cerithium austinense F.A. Roemer, 1888 † - (CERITHIIDAE) (FOSSIL)
- austinense, Epitonium austinense Stanton, 1947 † - (EPITONIIDAE) (FOSSIL)
- austinense, Teinostoma austinense Stanton, 1947 † - (TORNIDAE) (FOSSIL)
- austinensis, Nerinea austinensis F.A. Roemer, 1888 † - (NERINEIDAE) (FOSSIL)
- austinensis, Pachymya austinensis Shumard, 1860 † - (PHOLADOMYIDAE) (FOSSIL)
- austinensis, Leptomaria austinensis Shumard, 1861 † - (PLEUROTOMARIIDAE) (FOSSIL)
- austini, Conus austini H.A. Rehder & R.T. Abbott, 1951 - syn of: Conasprelloides cancellatus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- austini, Dentalium austini K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- austini, Discosorus austini Foerste, 1934 † - (DISCOSORIDAE) (FOSSIL)
- austini, Eurydesma austini Sahni & Srivastava, 1956 † - (EURYDESMATIDAE) (FOSSIL)
- austini, Spisula austini (K.L. Lamprell & T. Whitehead, 1990) - (MACTRIDAE)
- austini, Notospistula austini K.L. Lamprell & T. Whitehead, 1990 - syn of: Spisula austini (K.L. Lamprell & T. Whitehead, 1990) - (MACTRIDAE)
- austini, Mandaloceras austini Foerste † - (MANDALOCERATIDAE) (FOSSIL)
- austini, Prosphingitoides austini (A. Hyatt & Smith, 1905 †) - (MELAGATHICERATIDAE) (FOSSIL)
- austini, Nuculana austini I.M. Oldroyd, 1935 - syn of: Nuculana navisa (W.H. Dall, 1916) - (NUCULANIDAE)
- austini, Teredo austini T. Iredale, 1932 - syn of: Teredo navalis C. Linnaeus, 1758 - (TEREDINIDAE)
- austinianus, Liguus fasciatus austinianus R.P. Guitart, 1945 - (ORTHALICIDAE)
- Austiniceras, Genus Austiniceras Spath , 1922 (DESMOCERATIDAE) (FOSSIL)
- Austinoceras, Genus Austinoceras Foerste, 1934 (ACLEISTOCERATIDAE) (FOSSIL)
- Austraeolis, Genus Austraeolis R.F. Burn, 1962 (FACELINIDAE)
- austrafricana, Triviella austrafricana C.N. Cate, 1979 - (TRIVIIDAE)
- austrafricanum, Caecum austrafricanum A. Vannozzi, M. Pizzini & B.K. Raines, 2015 - (CAECIDAE)
- Australaba, syn of: Genus Alaba H. Adams & A. Adams, 1853 (LITIOPIDAE)
- australanum, Parvamussium australanum H.H. Dijkstra & P. Maestrati, 2010 - (PROPEAMUSSIIDAE)
- Australaria, Genus Australaria M.A. Snyder, G.J. Vermeij & W.G. Lyons, 2012 (FASCIOLARIIDAE)
- australasia, Australaria australasia (G. Perry, 1811) - (FASCIOLARIIDAE)
- australasia, Ficus australasia G. Perry, 1811 - syn of: Australaria australasia (G. Perry, 1811) - (FICIDAE)
- australasia, Ranella australasia (G. Perry, 1811) - (RANELLIDAE)
- australasia bakeri, Australaria australasia bakeri (J.H. Gatliff & C.J. Gabriel, 1912) - syn of: Australaria bakeri (J.H. Gatliff & C.J. Gabriel, 1912) - (FASCIOLARIIDAE)
- australasia benthicola, Ranella australasia benthicola T. Iredale, 1929 - (RANELLIDAE)
- australasia blacki, Ranella australasia blacki A.W.B. Powell, 1954 - syn of: Ranella australasia (G. Perry, 1811) - (RANELLIDAE)
- australasia coronata, Australaria australasia coronata (J.B.P.A. Lamarck, 1822) - syn of: Australaria coronata (J.B.P.A. Lamarck, 1822) - (FASCIOLARIIDAE)
- australasia gemmifera, Ranella australasia gemmifera (F.M. Euthyme, 1889) - syn of: Ranella gemmifera F.M. Euthyme, 1889 - (RANELLIDAE)
- australasia vossi, Ranella australasia vossi A.W.B. Powell, 1924 - syn of: Ranella australasia (G. Perry, 1811) - (RANELLIDAE)
- australasiaca, Eulima australasiaca J.C. Melvill & R. Standen, 1899 - (EULIMIDAE)
- australasiae, Siphonodentalium australasiae M. Boissevain, 1906 - (GADILIDAE)
- australasiae, Barnea australasiae (G.B. II Sowerby, 1849) - (PHOLADIDAE)
- australasiae, Monoplex australasiae G. Perry, 1811 - syn of: Monoplex parthenopeus (C.U.A. von Salis-Marschlins, 1793) - (RANELLIDAE)
- australasiatica, Crittendenia australasiatica (Krumbeck, 1924 †) - (CLARAIIDAE) (FOSSIL)
- australasiatica, Teredo australasiatica G.F. Roch, 1935 - syn of: Teredo furcifera E.C. Von Martens, 1894 - (TEREDINIDAE)
- australasica, Eulima australasica J.C. Melvill & R. Standen, 1899 - syn of: Eulima australasiaca J.C. Melvill & R. Standen, 1899 - (EULIMIDAE)
- Australbinula, Subgenus Gastrocopta (Australbinula) H.A. Pilsbry, 1916 (GASTROCOPTIDAE)
- Australdonta, Genus Australdonta G.A. Solem, 1976 (ENDODONTIDAE)
- australe, Sharpeiceras australe J. Kennedy, 2014 † - (ACANTHOCERATIDAE) (FOSSIL)
- australe, Pseudoaustraliceras australe (L. Waagen, 1875 †) - (ANCYLOCERATIDAE) (FOSSIL)
- australe, Tropaeum australe Moore, 1870 † - (ANCYLOCERATIDAE) (FOSSIL)
- australe, Solarium australe R.A. Philippi, 1849 - syn of: Architectonica perspectiva (C. Linnaeus, 1767) - (ARCHITECTONICIDAE)
- australe, Armenoceras australe Flower, 1957 † - (ARMENOCERATIDAE) (FOSSIL)
- australe, Bathmoceras australe Teichert, 1939 † - (BATHMOCERATIDAE) (FOSSIL)
- australe, Bransonia australe (F. McCoy, 1847 †) - (BRANSONIIDAE) (FOSSIL)
- australe, Buccinum australe K.T. Menke, 1843 - syn of: Nassarius pauperatus (J.B.P.A. Lamarck, 1822) - (BUCCINIDAE)
- australe, Caecum australe M. Pizzini & B.K. Raines, 2011 - (CAECIDAE)
- australe, Laevicardium australe G.B. II Sowerby, 1834 - syn of: Fulvia australis (Sowerby, 1834) - (CARDIIDAE)
- australe, Conocardium australe F. McCoy, 1847 † - syn of: Bransonia australe (F. McCoy, 1847 †) - (CONOCARDIIDAE) (FOSSIL)
- australe, Crioceras australe Moore, 1870 † - syn of: Tropaeum australe Moore, 1870 † - (CRIOCERATITIDAE) (FOSSIL)
- australe, Ellobium australe P.F. Röding, 1798 - syn of: Placostylus fibratus (T. Martyn, 1784) - (ELLOBIIDAE)
- australe, Onychoceras australe Ulrich & al., 1944 † - (HAMMATOCERATIDAE) (FOSSIL)
- australe, Intoceras australe Kuzina, 1983 † - (INTOCERATIDAE) (FOSSIL)
- australe, Bamyaniceras australe (Teichert, 1942 †) - (MEDLICOTTIIDAE) (FOSSIL)
- australe, Metalegoceras australe (Smith, 1927 †) - (METALEGOCERATIDAE) (FOSSIL)
- australe, Mysterioceras australe Teichert, 1954 † - (MYSTERIOCERATIDAE) (FOSSIL)
- australe, Proxiuber australe (F.W. Hutton, 1878) - (NATICIDAE)
- australe, Wadeoceras australe Teichert, 1939 † - (POLYELASMOCERATIDAE) (FOSSIL)
- australe, Cerithidea bicarinata australe J.K.E. Dieffenbach in W. Kobelt, 1898 - (POTAMIDIDAE)
- australe, Claviderma australe (A.H. Scheltema, 1989) - (PROCHAETODERMATIDAE)
- australe, Charonia australe J.B.P.A. Lamarck, 1822 - syn of: Charonia lampas (C. Linnaeus, 1758) - (RANELLIDAE)
- australe, Macrogrammites australe Hillebrandt 2000 † - (SCHLOTHEIMIIDAE) (FOSSIL)
- australe, Decorochilina australe (Tassell, 1982 †) - (SOLENISCIDAE) (FOSSIL)
- australe, Pisidium australe R.A. Philippi, 1836 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- australe, Tonna australe O.A.L. Mörch, 1853 - syn of: Tonna chinensis (L.W. Dillwyn, 1817) - (TONNIDAE)
- australe, Umbraculum australe G.F. Harris, 1897 † - (UMBRACULIDAE) (FOSSIL)
- australe, Gafrarium australe (G.B. II Sowerby, 1851) - (VENERIDAE)
- australe otaheitense, Buccinum australe otaheitense J.H. Chemnitz, 1788 - syn of: Bullia othaeitensis (J.G. Bruguière, 1789) - (BUCCINIDAE)
- australense, Batillariella australense K.H.J. Thiele, 1930 - syn of: Cerithidium australiense K.H.J. Thiele, 1930 - (BATILLARIIDAE)
- australense, Cyclochlamys australense H.H. Dijkstra & P. Maestrati, 2010 - syn of: Cyclochlamys australensis H.H. Dijkstra & P. Maestrati, 2010 - (CYCLOCHLAMYDIDAE)
- australensis, Zafra australensis K. Monsecour & D. Monsecour, 2015 - (COLUMBELLIDAE)
- australensis, Cyclochlamys australensis H.H. Dijkstra & P. Maestrati, 2010 - (CYCLOCHLAMYDIDAE)
- Australgibba, syn of: Genus Planispira H.H. Beck, 1837 (CAMAENIDAE)
- australiae, Microdryas australiae G.R. von Frauenfeld, 1867 - syn of: Onoba australiae (G.R. von Frauenfeld, 1867) - (ANABATHRIDAE)
- australiae, Amusium pleuronectes australiae (C. Linnaeus, 1758) - (PECTINIDAE)
- australiae, Onoba australiae (G.R. von Frauenfeld, 1867) - (RISSOIDAE)
- australiae, Voluta australiae J.C. Cox, 1872 - syn of: Amoria undulata (J.B.P.A. Lamarck,, 1804) - (VOLUTIDAE)
- australiae, Amoria australiae J.C. Cox, 1872 - syn of: Amoria undulata (J.B.P.A. Lamarck,, 1804) - (VOLUTIDAE)
- australiana, Aplysia australiana S. Clessin, 1899 - syn of: Aplysia parvula O.A.L. Mörch, 1863 - (APLYSIIDAE)
- australiana, Ellobium australiana C.M. Tapparone-Canefri, 1874 - syn of: Ellobium aurisjudae (C. Linnaeus, 1758) - (ELLOBIIDAE)
- australiana, Euryentmena australiana T. Shuto, 1983 - (MANGELIIDAE)
- australiana, Myophorella australiana Skwarko, 1963 † - (MYOPHORELLIDAE) (FOSSIL)
- australiana, Tawera australiana M. Huber, 2010 - (VENERIDAE)
- australianus, Bulinus australianus T.A. Conrad - (PLANORBIDAE)
- australica, Placunanomia australica L.A. Reeve, 1859 - syn of: Monia zelandica (J.E. Gray, 1843) - (ANOMIIDAE)
- australica, Witchellia australica (Arkell, 1954 †) - (HAMMATOCERATIDAE) (FOSSIL)
- australica, Marocella australica Parkhaev, 2001 † - (MAROCELLIDAE) (FOSSIL)
- australica, Hunkydora australica (L.A. Reeve, 1859) - (MYOCHAMIDAE)
- australica, Perna australica L.A. Reeve, 1858 - syn of: Isognomon australica (L.A. Reeve, 1858) - (MYTILIDAE)
- australica, Isognomon australica (L.A. Reeve, 1858) - (PTERIIDAE)
- australica, Thracia australica L.A. Reeve, 1859 - syn of: Hunkydora australica (L.A. Reeve, 1859) - (THRACIIDAE)
- australica, Hysteroconcha australica L.A. Reeve, 1863 - syn of: Pitar pellucidus (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- australica novozelandica, Hunkydora australica novozelandica L.A. Reeve, 1859 - syn of: Hunkydora novozelandica (L.A. Reeve, 1859) - (MYOCHAMIDAE)
- Australiceras, Genus Australiceras Whitehouse , 1926 (ANCYLOCERATIDAE) (FOSSIL)
- australicus, Monophorus australicus B.A. Marshall, 1983 - (TRIPHORIDAE)
- Australiella, Subgenus Menabites (Australiella) Collignon, 1938 (COLLIGNONICERATIDAE) (FOSSIL)
- australiense, Cerithidium australiense K.H.J. Thiele, 1930 - (CERITHIIDAE)
- australiense, Pisidium australiense A. Korniushin, 2000 - (SPHAERIIDAE)
- australiensis, Nomgoliella australiensis Parkhaev, 2001 † - (ALDANELLIDAE) (FOSSIL)
- australiensis, Bufonaria rana australiensis T. Cossignani, 1994 - (BURSIDAE)
- australiensis, Conotheca australiensis Bengtson & al., 1990 † - (CIRCOTHECIDAE) (FOSSIL)
- australiensis, Cribrarula cribraria australiensis F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- australiensis, Dendrodoris australiensis F.D. Abraham, 1877 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (DENDRODORIDIDAE)
- australiensis, Eatoniella australiensis (K.H.J. Thiele, 1930) - (EATONIELLIDAE)
- australiensis, Parvioris australiensis A. Warén, 1981 - (EULIMIDAE)
- australiensis, Sticteulima australiensis (K.H.J. Thiele, 1930) - (EULIMIDAE)
- australiensis, Peristernia australiensis (L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- australiensis, Latirus australiensis L.A. Reeve, 1847 - syn of: Peristernia australiensis (L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- australiensis, Paratya australiensis Kemp, 1917 † - (HAMINOEIDAE) (FOSSIL)
- australiensis, Hemidonax australiensis (L.A. Reeve, 1844) - (HEMIDONACIDAE)
- australiensis, Quadratonucula australiensis Dickins, 1963 † - (MALLETIIDAE) (FOSSIL)
- australiensis, Murex australiensis A. Adams, 1854 - syn of: Triplex brunneus (J.H.F. Link, 1807) - (MURICIDAE)
- australiensis, Cyrenopsis australiensis R.B. Newton, 1915 † - (NEOMIODONTIDAE) (FOSSIL)
- australiensis, Austronucula australiensis (K.H.J. Thiele, 1930) - (NUCULIDAE)
- australiensis, Helicorbis australiensis E.A. Smith, 1882 - (PLANORBIDAE)
- australiensis, Cerithideopsis australiensis D.G. Reid & M. Claremont, 2014 - (POTAMIDIDAE)
- australiensis, Rinetrigonia australiensis (Cox, 1961 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- australiensis, Ribeiria australiensis Pojeta & Runnegar, 1976 † - (RIBEIRIIDAE) (FOSSIL)
- australiensis, Nitidotellina australiensis M. Huber, A. Langleit & K. Kreipl, 2015 - (TELLINIDAE)
- australiensis, Tellina australiensis K.H.J. Thiele, 1930 - syn of: Tellina margaritina (J.B.P.A. Lamarck, 1818) - (TELLINIDAE)
- australiensis, Turbinella australiensis L.A. Reeve, 1847 - syn of: Peristernia australiensis (L.A. Reeve, 1847) - (TURBINELLIDAE)
- australiensis, Verticordia australiensis E.A. Smith, 1885 - (VERTICORDIIDAE)
- Australima, syn of: Genus Lima J.G. Bruguiθre, 1789 (LIMIDAE)
- australis, Actaeon australis J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Elysia australis (J.R.C. Quoy & J.P. Gaimard, 1832) - (ACTEONIDAE)
- australis, Baeolidia australis (W.B. Rudman, 1982) - (AEOLIDIIDAE)
- australis, Amphibola australis H.C.F. Schumacher, 1817 - syn of: Amphibola crenata (J.F. Gmelin, 1791) - (AMPHIBOLIDAE)
- australis, Pomacea australis D'Orbigny, 1835 - syn of: Pomacea canaliculata (J.B.P.A. Lamarck, 1822) - (AMPULLARIIDAE)
- australis, Anatoma australis (C. Hedley, 1903) - (ANATOMIDAE)
- australis, Anatoma australis C. Hedley, 1903 - syn of: Anatoma australis (C. Hedley, 1903) - (ANATOMIDAE)
- australis, Amalda australis (G.B. I Sowerby, 1830) - (ANCILLARIIDAE)
- australis, Eburna australis G.B. I Sowerby, 1833 - syn of: Zemira australis (G.B. I Sowerby, 1833) - (ANCILLARIIDAE)
- australis, Lithancylus australis Day, 1967 † - (ANCYLOCERATIDAE) (FOSSIL)
- australis, Patro australis (J.E. Gray in J.B. Jukes, 1847) - (ANOMIIDAE)
- australis, Metassiminea australis K.H.J. Thiele, 1927 - (ASSIMINEIDAE)
- australis, Assiminea australis W.F. Petterd, 1889 - syn of: Cryptassiminea buccinoides (J.R.C. Quoy & J.P. Gaimard, 1834) - (ASSIMINEIDAE)
- australis, Aturia australis McCoy, 1867 † - syn of: Aturia cubaensis (Lea, 1841 †) - (ATURIIDAE) (FOSSIL)
- australis, Batillaria australis (J.R.C. Quoy & J.P. Gaimard, 1834) - (BATILLARIIDAE)
- australis, Gabbia australis G.W. Tryon, 1865 - (BITHYNIIDAE)
- australis, Engina australis (W.H. Pease, 1871) - (BUCCINIDAE)
- australis, Odontobasis australis B. Wade, 1926 † - (BUCCINIDAE) (FOSSIL)
- australis, Pollia australis W.H. Pease, 1871 - syn of: Engina australis (W.H. Pease, 1871) - (BUCCINIDAE)
- australis, Chauvetia australis E.C. Von Martens & K.H.J. Thiele, 1904 - syn of: Falsimohnia albozonata (R.B. Watson, 1886) - (BUCCINIDAE)
- australis, Bulla australis A.E.J. Férussac, 1822 - (BULLIDAE)
- australis, Bulla australis J.E. Gray, 1825 - syn of: Bulla quoyii J.E. Gray, 1843 - (BULLIDAE)
- australis, Bulla australis J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Bulla quoyii J.E. Gray, 1843 - (BULLIDAE)
- australis, Calliostoma australis W.J. Broderip, 1835 - syn of: Astele rubiginosa (A. Valenciennes, 1846) - (CALLIOSTOMATIDAE)
- australis, Ordtrachia australis G.A. Solem, 1984 - (CAMAENIDAE)
- australis, Ningbingia australis G.A. Solem, 1981 - (CAMAENIDAE)
- australis, Sydaphera australis (G.B. I Sowerby, 1832) - (CANCELLARIIDAE)
- australis, Cancellaria australis R.A. Philippi, 1855 - syn of: Admete philippii H.F.A. von Ihering, 1907 - (CANCELLARIIDAE)
- australis, Admete australis R.A. Philippi, 1855 - syn of: Admete philippii H.F.A. von Ihering, 1907 - (CANCELLARIIDAE)
- australis, Sechurina australis Olsson 1944 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- australis, Fulvia australis (Sowerby, 1834) - (CARDIIDAE)
- australis, Cardites australis W. Wood, 1828 - syn of: Cardiocardita tankervillii (W. Wood, 1828) - (CARDITIDAE)
- australis, Venericardia australis J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Purpurocardia purpurata (G.P. Deshayes, 1854) - (CARDITIDAE)
- australis, Cardita australis R.A. Philippi, 1858 - syn of: Carditella naviformis (L.A. Reeve, 1843) - (CARDITIDAE)
- australis, Carinaria australis J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Carinaria lamarcki F. Péron & C.A. Lesueur, 1810 - (CARINARIIDAE)
- australis, Cavolinia australis F. Péron & C.A. Lesueur, 1807 - syn of: Cavolinia tridentata (P. Forsskål in C. Niebuhr, 1775) - (CAVOLINIIDAE)
- australis, Zefallacia australis (H.H. Suter, 1919 †) - (CERITHIIDAE) (FOSSIL)
- australis, Cerithium australis J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Batillaria australis (J.R.C. Quoy & J.P. Gaimard, 1834) - (CERITHIIDAE)
- australis, Chama australis W. Wood, 1828 - syn of: Cardiocardita tankervillii (W. Wood, 1828) - (CHAMIDAE)
- australis, Cheeneetnukia australis Blodgett & Cook, 2002 † - (CHEENEETNUKIIDAE) (FOSSIL)
- australis, Chiton australis G.B. II Sowerby, 1833 - syn of: Ischnochiton australis (G.B. II Sowerby, 1833) - (CHITONIDAE)
- australis, Thorunna australis (J.J. Risbec, 1928) - (CHROMODORIDIDAE)
- australis, Actinodoris australis G.F. Angas, 1864 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (CHROMODORIDIDAE)
- australis, Glossodoris australis J.J. Risbec, 1928 - syn of: Thorunna australis (J.J. Risbec, 1928) - (CHROMODORIDIDAE)
- australis, Balea australis E. Forbes, 1851 - syn of: Coelocion australis (E. Forbes, 1851) - (CLAUSILIIDAE)
- australis, Dacosta australis (G.B. I Sowerby, 1829) - (CLAVAGELLIDAE)
- australis, Surcula australis A.F.P.M. de Roissy, 1805 - syn of: Nihonia australis (A.F.P.M. de Roissy, 1805) - (CLAVATULIDAE)
- australis, Clione australis J.G. Bruguière, 1792 - syn of: Clione limacina australis (J.G. Bruguière, 1792) - (CLIONIDAE)
- australis, Clione limacina australis (J.G. Bruguière, 1792) - (CLIONIDAE)
- australis, Nihonia australis (A.F.P.M. de Roissy, 1805) - (COCHLESPIRIDAE)
- australis, Cochliopina australis J.P.E. Morrison, 1946 - (COCHLIOPIDAE)
- australis, Heleobia australis (A.V.M.D. D'Orbigny, 1837) - (COCHLIOPIDAE)
- australis, Coelocion australis (E. Forbes, 1851) - (COELOCIONTIDAE)
- australis, Aesopus australis (G.F. Angas, 1877) - (COLUMBELLIDAE)
- australis, Mitrella australis (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- australis, Condylocardia australis E.C. Munier-Chalmas, 1897 - (CONDYLOCARDIIDAE)
- australis, Carditella australis R.A. Philippi, 1858 - syn of: Carditella semen (L.A. Reeve, 1843) - (CONDYLOCARDIIDAE)
- australis, Graphiconus australis (H.S. Holten, 1802) - (CONIDAE)
- australis, Conus australis J.B.P.A. Lamarck, 1810 - syn of: Graphiconus australis (H.S. Holten, 1802) - (CONIDAE)
- australis, Conus australis J.S. Schröter, 1803 - syn of: Rhizoconus mustelinus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- australis, Turriplicifer australis (W.J. Swainson, 1820) - (COSTELLARIIDAE)
- australis, Spissatella australis (F.W. Hutton, 1873 †) - (CRASSATELLIDAE) (FOSSIL)
- australis, Crioceratites australis Klinger & J. Kennedy, 1992 † - (CRIOCERATITIDAE) (FOSSIL)
- australis, Cucullaea australis (F.W. Hutton, 1885 †) - (CUCULLAEIDAE) (FOSSIL)
- australis, Cypraea australis J.B.P.A. Lamarck, 1822 - syn of: Ellatrivia merces (T. Iredale, 1924) - (CYPRAEIDAE)
- australis, Erosaria australis J.S. Schröter, 1804 - syn of: Erosaria helvola (C. Linnaeus, 1758) - (CYPRAEIDAE)
- australis, Corbiculina australis (G.P. Deshayes, 1830) - (CYRENIDAE)
- australis, Pachydiscus australis Henderson & McNamara, 1985 † - (DESMOCERATIDAE) (FOSSIL)
- australis, Rostanga australis W.B. Rudman & G.J. Avern, 1989 - syn of: Rostanga crawfordi (R.F. Burn, 1969) - (DISCODORIDIDAE)
- australis, Austrodoris australis L.S.R. Bergh, 1884 - syn of: Doris kerguelenensis (L.S.R. Bergh, 1884) - (DORIDIDAE)
- australis, Kimina australis E.K. Yoo, 1994 † - (ELASMONEMATIDAE) (FOSSIL)
- australis, Ophicardelus australis H.H. Beck, 1838 - (ELLOBIIDAE)
- australis, Auricula australis J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Ophicardelus ornatus (A.E.J. Férussac, 1821) - (ELLOBIIDAE)
- australis, Epimenia australis (K.H.J. Thiele, 1897) - (EPIMENIIDAE)
- australis, Opalia australis (J.B.P.A. Lamarck, 1822) - (EPITONIIDAE)
- australis, Epitonium australis J.B.P.A. Lamarck, 1822 - syn of: Opalia australis (J.B.P.A. Lamarck, 1822) - (EPITONIIDAE)
- australis, Eucochlis australis E.K. Yoo, 1988 † - (EUCOCHLIDAE) (FOSSIL)
- australis, Straparollus australis P.A. Maxwell, 1961 † - (EUOMPHALIDAE) (FOSSIL)
- australis, Caloria australis J.J. Risbec, 1937 - (FACELINIDAE)
- australis, Austraeolis australis L.S.R. Bergh, 1884 - syn of: Austraeolis ornata (G.F. Angas, 1864) - (FACELINIDAE)
- australis, Fusinus australis (J.R.C. Quoy & J.P. Gaimard, 1833) - (FASCIOLARIIDAE)
- australis, Diodora australis (C.F.F. von Krauss, 1848) - (FISSURELLIDAE)
- australis, Montfortia australis J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Montfortia subemarginata (H.M.D. de Blainville, 1819) - (FISSURELLIDAE)
- australis, Scutus australis J.B.P.A. Lamarck, 1822 - syn of: Scutus anatinus (E. Donovan, 1820) - (FISSURELLIDAE)
- australis, Fissurella australis R.A. Philippi, 1845 - syn of: Fissurella oriens G.B. I Sowerby, 1834 - (FISSURELLIDAE)
- australis, Scioberetia australis F. Bernard, 1895 - (GALEOMMATIDAE)
- australis, Glaucus australis F. Péron, 1810 - syn of: Glaucus atlanticus F. Forster, 1777 - (GLAUCIDAE)
- australis, Glycymeris australis J.R.C. Quoy & J.P. Gaimard, 1832 - (GLYCYMERIDIDAE)
- australis, Tasselliana australis Cook, Blodgett & Becker, 2003 † - (GOSSELETINIDAE) (FOSSIL)
- australis, Peruvispira australis Sabattini & Noirat, 1969 † - (GOSSELETINIDAE) (FOSSIL)
- australis, Gosseletina australis R. Etheridge jr., 1917 † - (GOSSELETINIDAE) (FOSSIL)
- australis, Haliotis australis J.F. Gmelin, 1791 - (HALIOTIDAE)
- australis, Martelites vulanensis australis (Klinger, Kakabadze & J. Kennedy, 1984 †) - (HETEROCERATIDAE) (FOSSIL)
- australis, Hiatella australis J.B.P.A. Lamarck, 1818 - (HIATELLIDAE)
- australis, Panopea australis (G.B. I Sowerby, 1833) - (HIATELLIDAE)
- australis, Pleurorhynchus australis F. McCoy, 1847 † - syn of: Bransonia australe (F. McCoy, 1847 †) - (HIPPOCARDIIDAE) (FOSSIL)
- australis, Sabia australis (J.B.P.A. Lamarck, 1819) - (HIPPONICIDAE)
- australis, Hipponix australis J.B.P.A. Lamarck, 1819 - syn of: Sabia australis (J.B.P.A. Lamarck, 1819) - (HIPPONICIDAE)
- australis, Gyliotrachela australis (N.H. Odhner, 1917) - (HYPSELOSTOMATIDAE)
- australis, Hyridella australis (J.B.P.A. Lamarck, 1819) - (HYRIIDAE)
- australis, Diplodon australis W.L. May, 1921 - syn of: Velesunio moretonicus (L.A. Reeve, 1865) - (HYRIIDAE)
- australis, Hyridunio australis T. Iredale, 1934 - syn of: Hyridella drapeta T. Iredale, 1934 - (HYRIIDAE)
- australis, Pellamora australis (C. Hedley, 1901) - (IRAVADIIDAE)
- australis, Chevallieria australis W.F. Ponder, 1984 - (IRAVADIIDAE)
- australis, Ischnochiton australis (G.B. II Sowerby, 1833) - (ISCHNOCHITONIDAE)
- australis, Ischnoradsia australis (G.B. II Sowerby, 1833) - syn of: Ischnochiton australis (G.B. II Sowerby, 1833) - (ISCHNOCHITONIDAE)
- australis, Berthelinia australis (R.F. Burn, 1960) - (JULIIDAE)
- australis, Kellyia australis É. Lamy, 1906 - syn of: Mysella charcoti É. Lamy, 1906 - (KELLIIDAE)
- australis, Lepton australis G.F. Angas, 1878 - (LASAEIDAE)
- australis, Lasaea australis (J.B.P.A. Lamarck, 1818) - (LASAEIDAE)
- australis, Erycina australis G.P. Deshayes, 1856 - (LASAEIDAE)
- australis, Rochefortia australis (C. Vélain, 1877) - (LASAEIDAE)
- australis, Limacina retroversa australis (J.F.T. Eydoux & L.F.A. Souleyet, 1840) - (LIMACINIDAE)
- australis, Limea australis (E.A. Smith, 1891) - (LIMIDAE)
- australis, Lissarcula australis K.H.J. Thiele, 1923 - syn of: Lissarca australis (K.H.J. Thiele, 1923) - (LIMOPSIDAE)
- australis, Austroliotia australis (L.C. Kiener, 1839) - (LIOTIIDAE)
- australis, Potamolithus australis W.A. Biese, 1944 - (LITHOGLYPHIDAE)
- australis, Echinolittorina australis (J.E. Gray, 1826) - (LITTORINIDAE)
- australis, Nodilittorina australis (J.R.C. Quoy, 1826 †) - (LITTORINIDAE) (FOSSIL)
- australis, Littorina australis J.E. Gray, 1839 - syn of: Bembicium nanum (J.B.P.A. Lamarck, 1822) - (LITTORINIDAE)
- australis, Littorina australis J.E. Gray, 1826 - syn of: Echinolittorina australis (J.E. Gray, 1826) - (LITTORINIDAE)
- australis, Nodilittorina australis J.E. Gray, 1826 - syn of: Echinolittorina australis (J.E. Gray, 1826) - (LITTORINIDAE)
- australis, Sepioteuthis australis J.R.C. Quoy & J.P. Gaimard, 1832 - (LOLIGINIDAE)
- australis, Loxonema australis A.C. Chapman, 1916 † - (LOXONEMATIDAE) (FOSSIL)
- australis, Playfordia australis Cook & al., 2003 † - (LUCIELLIDAE) (FOSSIL)
- australis, Pillucina australis E.A. Glover & D.W. Taylor, 2001 - (LUCINIDAE)
- australis, Radix luteola australis T.N. Annandale & Surya Rao, 1925 - (LYMNAEIDAE)
- australis, Mactra australis J.B.P.A. Lamarck, 1818 - (MACTRIDAE)
- australis, Lutraria australis G.P. Deshayes, 1855 † - (MACTRIDAE) (FOSSIL)
- australis, Lutraria australis L.A. Reeve, 1854 - syn of: Lutraria rhynchaena I.H. Jonas, 1844 - (MACTRIDAE)
- australis, Neilo australis (J.R.C. Quoy & J.P. Gaimard, 1835) - (MALLETIIDAE)
- australis, Guraleus australis (A. Adams & G.F. Angas, 1864) - (MANGELIIDAE)
- australis, Mitraguraleus australis (A. Adams & G.F. Angas, 1864) - syn of: Guraleus australis (A. Adams & G.F. Angas, 1864) - (MANGELIIDAE)
- australis, Margarites australis T. Shikama & C.K. Chang - (MARGARITIDAE)
- australis, Mesoginella australis (R.B. Hinds, 1844) - (MARGINELLIDAE)
- australis, Ceraunocochlis australis E.K. Yoo, 1994 † - (MEEKOSPIRIDAE) (FOSSIL)
- australis, Paphies australis (J.F. Gmelin, 1791) - (MESODESMATIDAE)
- australis, Mitra australis W.J. Swainson, 1820 - syn of: Turriplicifer australis (W.J. Swainson, 1820) - (MITRIDAE)
- australis, Plaxiphora australis (H.H. Suter, 1907) - (MOPALIIDAE)
- australis, Coralliophila australis M. Oliverio, 2009 - (MURICIDAE)
- australis, Trophon australis J.E. Tenison-Woods, 1876 - syn of: Bedeva paivae (J.C.H. Crosse, 1864) - (MURICIDAE)
- australis, Murex australis J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Chicoreus denudatus (G. Perry, 1811) - (MURICIDAE)
- australis, Latiaxis australis C.F. Laseron, 1955 - syn of: Babelomurex lischkeanus (R.W. Dunker, 1882) - (MURICIDAE)
- australis, Murex australis J.F. Gmelin, 1791 - syn of: Pelicaria vermis (T. Martyn, 1784) - (MURICIDAE)
- australis, Platyodon australis A.A. Olsson, 1961 - (MYIDAE)
- australis, Mya australis J.F. Gmelin, 1791 - syn of: Paphies australis (J.F. Gmelin, 1791) - (MYIDAE)
- australis, Neoschizodus australis Runnegar, 1969 † - syn of: Schizodus australis (Runnegar, 1969 †) - (MYOPHORIIDAE) (FOSSIL)
- australis, Gregariella australis (E.C. Von Martens, 1880) - (MYTILIDAE)
- australis, Lithophaga australis Johnston, 1887 † - (MYTILIDAE) (FOSSIL)
- australis, Perna australis (J.E. Gray, 1826) - (MYTILIDAE)
- australis, Brachidontes australis E.C. Von Martens, 1879 - (MYTILIDAE)
- australis, Septifer australis C.F. Laseron, 1956 - syn of: Septifer cumingii C.A. Récluz, 1849 - (MYTILIDAE)
- australis, Nassa australis A. Adams, 1853 - syn of: Nassarius clarus (F.P. Marrat, 1877) - (NASSARIIDAE)
- australis, Nassarius australis A. Adams, 1853 - syn of: Nassarius clarus (F.P. Marrat, 1877) - (NASSARIIDAE)
- australis, Cerithiella australis A. Cecalupo & I. Perugia, 2017 - (NEWTONIELLIDAE)
- australis, Nuculana australis B. Wade, 1926 † - (NUCULANIDAE) (FOSSIL)
- australis, Nucula australis J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Neilo australis (J.R.C. Quoy & J.P. Gaimard, 1835) - (NUCULIDAE)
- australis, Octopus australis W.E. Hoyle, 1885 - (OCTOPODIDAE)
- australis, Olivella australis J.E. Tenison-Woods, 1878 - syn of: Parviterebra brazieri (G.F. Angas, 1875) - (OLIVELLIDAE)
- australis, Oliva australis P.L. Duclos, 1835 - (OLIVIDAE)
- australis, Liomphalus australis A.C. Chapman, 1916 † - (OMPHALOCIRRIDAE) (FOSSIL)
- australis, Onchidina australis (C.G. Semper, 1880) - (ONCHIDIIDAE)
- australis, Australonema australis (R. Etheridge jr., 1890 †) - (ORIOSTOMATIDAE) (FOSSIL)
- australis, Pustulostrea australis (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- australis, Otoites australis (Crick, 1894 †) - (OTOITIDAE) (FOSSIL)
- australis, Pecten australis R.A. Philippi, 1845 - syn of: Zygochlamys patagonica (King & W.J. Broderip, 1832) - (PECTINIDAE)
- australis, Pecten australis G.B. II Sowerby, 1842 - syn of: Mimachlamys asperrima (J.B.P.A. Lamarck, 1819) - (PECTINIDAE)
- australis, Brechites australis J.C. Chenu, 1843 - (PENICILLIDAE)
- australis, Pyropsis australis J.D. Stilwell & al., 2004 † - (PERISSITYIDAE) (FOSSIL)
- australis, Phanerotrema australis R. Etheridge jr., 1891 † - (PHANEROTREMATIDAE) (FOSSIL)
- australis, Ensiculus australis (R.W. Dunker, 1862) - (PHARIDAE)
- australis, Phasianella australis J.B.P.A. Lamarck, 1822 - (PHASIANELLIDAE)
- australis, Lissarca australis (K.H.J. Thiele, 1923) - (PHILOBRYIDAE)
- australis, Philomycus australis L.S.R. Bergh, 1870 - syn of: Meghimatium bilineatum (W.H. Benson, 1842) - (PHILOMYCIDAE)
- australis, Martesia australis J.E. Gray, 1851 - syn of: Martesia multistriata (G.B. II Sowerby, 1849) - (PHOLADIDAE)
- australis, Elysia australis (J.R.C. Quoy & J.P. Gaimard, 1832) - (PLAKOBRANCHIDAE)
- australis, Cyclonema australis R. Etheridge jr., 1890 † - syn of: Australonema australis (R. Etheridge jr., 1890 †) - (PLATYCERATIDAE) (FOSSIL)
- australis, Plicatula australis J.B.P.A. Lamarck, 1819 - (PLICATULIDAE)
- australis, Spongiobranchaea australis (A.V.M.D. D'Orbigny, 1834) - (PNEUMODERMATIDAE)
- australis, Poromya australis E.A. Smith, 1885 - (POROMYIDAE)
- australis, Janolus australis L.S.R. Bergh, 1884 - (PROCTONOTIDAE)
- australis, Protocanites australis Delépine, 1941 † - (PROLECANITIDAE) (FOSSIL)
- australis, Proneomenia australis K.H.J. Thiele, 1897 - syn of: Epimenia australis (K.H.J. Thiele, 1897) - (PRONEOMENIIDAE)
- australis, Pseudoclymenia australis Delepine, 1935 † - syn of: Pseudoclymenia dillensis Drevermann, 1901 † - (PSEUDOCLYMENIIDAE) (FOSSIL)
- australis, Zemira australis (G.B. I Sowerby, 1833) - (PSEUDOLIVIDAE)
- australis, Mooreoceras australis C.O. Waterhouse, 1987 † - (PSEUDORTHOCERATIDAE) (FOSSIL)
- australis, Leiopteria australis R. Etheridge jr., 1898 † - (PTERINEIDAE) (FOSSIL)
- australis, Pugnellus australis P. Marshall, 1916 - syn of: Conchothyra australis (P. Marshall, 1916 ) - (PUGNELLIDAE)
- australis, Pupilla australis G.F. Angas, 1864 - (PUPILLIDAE)
- australis, Agatha australis (G.F. Angas, 1871) - (PYRAMIDELLIDAE)
- australis, Chrysallida australis K.H.J. Thiele, 1930 - (PYRAMIDELLIDAE)
- australis, Syrnola australis J.D. Stilwell & al. 2004 - (PYRAMIDELLIDAE)
- australis, Pyramidella australis C.F. Laseron, 1959 - syn of: Otopleura mitralis (Adams, 1855) - (PYRAMIDELLIDAE)
- australis, Odostomia australis J.G. Jeffreys, 1867 - syn of: Megastomia conoidea (G.B. Brocchi, 1814) - (PYRAMIDELLIDAE)
- australis, Cingulina australis J.E. Tenison-Woods, 1877 - syn of: Lironoba australis (J.E. Tenison-Woods, 1877) - (PYRAMIDELLIDAE)
- australis, Atopos australis (D.F. Heynemann, 1876) - (RATHOUISIIDAE)
- australis, Rhytida australis F.W. Hutton, 1883 - (RHYTIDIDAE)
- australis, Ringicula australis R.B. Hinds, 1844 - (RINGICULIDAE)
- australis, Lironoba australis (J.E. Tenison-Woods, 1877) - (RISSOIDAE)
- australis, Powellisetia australis (R.B. Watson, 1886) - (RISSOIDAE)
- australis, Rissoina australis Moore, 1870 † - (RISSOINIDAE) (FOSSIL)
- australis, Runcina australis R.F. Burn, 1963 - (RUNCINIDAE)
- australis, Sagda australis H.H. Beck, 1837 - syn of: Sagda cookiana (J.F. Gmelin, 1790) - (SAGDIDAE)
- australis, Yezoites australis J. Kennedy & Klinger, 2013 † - (SCAPHITIDAE) (FOSSIL)
- australis, Schizodus australis (Runnegar, 1969 †) - (SCHIZODIDAE) (FOSSIL)
- australis, Semele australis (G.B. I Sowerby, 1833) - (SEMELIDAE)
- australis, Ervilia australis G.F. Angas, 1877 - syn of: Ervilia bisculpta A.A. Gould, 1861 - (SEMELIDAE)
- australis, Sepia australis J.R.C. Quoy & J.P. Gaimard, 1832 - (SEPIIDAE)
- australis, Austrorossia australis (S.S. Berry, 1918) - (SEPIOLIDAE)
- australis, Tenagodus australis J.R.C. Quoy & J.P. Gaimard, 1834 - (SILIQUARIIDAE)
- australis, Siphonaria australis J.R.C. Quoy & J.P. Gaimard, 1833 - (SIPHONARIIDAE)
- australis, Cirsonella australis G.F. Angas, 1877 - syn of: Cirsonella weldii (J.E. Tenison-Woods, 1877) - (SKENEIDAE)
- australis, Solecurtus australis (R.W. Dunker, 1862) - (SOLECURTIDAE)
- australis, Solemya australis (J.B.P.A. Lamarck, 1818) - (SOLEMYIDAE)
- australis, Austrosolemya australis J.B.P.A. Lamarck, 1818 - syn of: Solemya australis (J.B.P.A. Lamarck, 1818) - (SOLEMYIDAE)
- australis, Spirula australis J.B.P.A. Lamarck, 1816 - syn of: Spirula spirula (C. Linnaeus, 1758) - (SPIRULIDAE)
- australis, Anabarella australis Bengtson & al., 1990 † - (STENOTHECIDAE) (FOSSIL)
- australis, Stenothyra australis C. Hedley, 1901 - (STENOTHYRIDAE)
- australis, Hannestheronia australis Vinther & al., 2012 † - (STROBILEPIDAE) (FOSSIL)
- australis, Strombus australis G.B. II Sowerby, 1842 - syn of: Euprotomus iredalei (R.T. Abbott, 1960) - (STROMBIDAE)
- australis, Doxander australis J.S. Schröter, 1805 - syn of: Doxander vittatus apicatus (L.M. Man in't Veld & J.S. Visser, 1993) - (STROMBIDAE)
- australis, Conchothyra australis (P. Marshall, 1916 ) - (STRUTHIOLARIIDAE)
- australis, Austrosuccinea australis (A.E.J. Férussac, 1821) - (SUCCINEIDAE)
- australis, Succinea australis (A.E.J. Férussac, 1821) - syn of: Austrosuccinea australis (A.E.J. Férussac, 1821) - (SUCCINEIDAE)
- australis, Tellina australis G.P. Deshayes, 1854 - (TELLINIDAE)
- australis, Strigilla australis R. Tate, 1887 † - (TELLINIDAE) (FOSSIL)
- australis, Duplicaria australis (E.A. Smith, 1873) - (TEREBRIDAE)
- australis, Terebra australis E.A. Smith, 1873 - syn of: Duplicaria australis (E.A. Smith, 1873) - (TEREBRIDAE)
- australis, Bankia australis (W.T. Calman, 1920) - (TEREDINIDAE)
- australis, Bactronophorus australis B.H. Wright, 1866 - syn of: Bactronophorus thoracites (A.A. Gould, 1856) - (TEREDINIDAE)
- australis, Melibe australis G.F. Angas, 1864 - (TETHYDIDAE)
- australis, Thiara australis (I. Lea, 1857) - (THIARIDAE)
- australis, Mastoniaeforis australis (C.F. Laseron, 1958) - (TRIPHORIDAE)
- australis, Tritonia australis (L.S.R. Bergh, 1898) - (TRITONIIDAE)
- australis, Alcyna australis (C. Hedley, 1907) - (TROCHIDAE)
- australis, Monodonta australis (J.B.P.A. Lamarck, 1822) - (TROCHIDAE)
- australis, Pleurotoma australis A.F.P.M. de Roissy, 1805 - syn of: Nihonia australis (A.F.P.M. de Roissy, 1805) - (TURRIDAE)
- australis, Colpospira australis (J.B.P.A. Lamarck, 1822) - (TURRITELLIDAE)
- australis, Ctenocolpus australis J.B.P.A. Lamarck, 1822 - syn of: Colpospira australis (J.B.P.A. Lamarck, 1822) - (TURRITELLIDAE)
- australis, Turritella australis J.B.P.A. Lamarck, 1822 - syn of: Colpospira australis (J.B.P.A. Lamarck, 1822) - (TURRITELLIDAE)
- australis, Hamiota australis (C.T. Simpson, 1900) - (UNIONIDAE)
- australis, Unio australis K.T. Menke, 1843 - syn of: Westralunio carteri T. Iredale, 1934 - (UNIONIDAE)
- australis, Unio australis H.C. Küster, 1861 - syn of: Hyridella australis (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- australis, Unio australis R.A. Philippi, 1848 - syn of: Hyridella australis (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- australis, Unio australis J.B.P.A. Lamarck, 1819 - syn of: Hyridella australis (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- australis, Oligostylus australis F.G. Thompson, 1963 - (UROCOPTIDAE)
- australis, Lamellaria australis (H. Basedow, 1905) - (VELUTINIDAE)
- australis, Gouldiopa australis (G.F. Angas, 1865) - (VENERIDAE)
- australis, Venus australis J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Dosinia histrio J.F. Gmelin, 1791 - (VENERIDAE)
- australis, Gouldia australis G.F. Angas, 1865 - syn of: Gouldiopa australis (G.F. Angas, 1865) - (VENERIDAE)
- australis, Venus australis G.B. I Sowerby, 1835 - syn of: Tawera lagopus (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- australis, Circe australis G.B. II Sowerby, 1851 - syn of: Gafrarium australe (G.B. II Sowerby, 1851) - (VENERIDAE)
- australis, Ectenagena australis (J. Stuardo & C. Valdovinos, 1988) - (VESICOMYIDAE)
- australis, Paludina australis D'Orbigny, 1835 - syn of: Heleobia australis (A.V.M.D. D'Orbigny, 1837) - (VIVIPARIDAE)
- australis, Paludina australis L.A. Reeve, 1863 - syn of: Notopala ampullaroides (L.A. Reeve, 1863) - (VIVIPARIDAE)
- australis, Microvoluta australis G.F. Angas, 1877 - (VOLUTOMITRIDAE)
- australis, Volvatella australis K.R. Jensen, 1997 - (VOLVATELLIDAE)
- australis, Xenophora australis S.M. Souverbie & R.P. Montrouzier, 1870 - syn of: Xenophora solarioides (L.A. Reeve, 1845) - (XENOPHORIDAE)
- australis angasi, Hiatella australis angasi G.F. Angas, 1865 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (HIATELLIDAE)
- australis casus, Hyridunio australis casus T. Iredale, 1943 - syn of: Hyridella drapeta T. Iredale, 1934 - (HYRIIDAE)
- australis crassa, Littoridina australis crassa J.M. Gaillard, 1974 - syn of: Heleobia australis (A.V.M.D. D'Orbigny, 1837) - (COCHLIOPIDAE)
- australis diffidens, Ctenocolpus australis diffidens T. Iredale, 1925 - syn of: Colpospira australis (J.B.P.A. Lamarck, 1822) - (TURRITELLIDAE)
- australis diffidens, Turritella australis diffidens T. Iredale, 1925 - syn of: Colpospira australis (J.B.P.A. Lamarck, 1822) - (TURRITELLIDAE)
- australis divaricata, Ischnoradsia australis divaricata A.F.B. Hull, 1923 - syn of: Ischnochiton australis (G.B. II Sowerby, 1833) - (ISCHNOCHITONIDAE)
- australis drapeta, Hyridunio australis drapeta T. Iredale, 1934 - syn of: Hyridella drapeta T. Iredale, 1934 - (HYRIIDAE)
- australis elongata, Ningbingia australis elongata G.A. Solem, 1988 - (CAMAENIDAE)
- australis indica, Strephona australis indica E.W. Vredenburg, 1925 † - syn of: Oliva indica E.W. Vredenburg, 1925 † - (OLIVIDAE) (FOSSIL)
- australis kurzi, Oliva australis kurzi E.J. Petuch & D.M. Sargent, 1986 - syn of: Oliva panniculata kurzi E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- australis nana, Littoridina australis nana Er. Marcus & Ev. Marcus, 1963 - syn of: Heleobia australis (A.V.M.D. D'Orbigny, 1837) - (COCHLIOPIDAE)
- australis napierana, Gyliotrachela australis napierana G.A. Solem, 1981 - (HYPSELOSTOMATIDAE)
- australis orion, Hyridunio australis orion T. Iredale, 1934 - syn of: Hyridella drapeta T. Iredale, 1934 - (HYRIIDAE)
- australis pallescens, Oliva australis pallescens E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- australis suspecta, Gabbia australis suspecta T. Iredale, 1944 - (BITHYNIIDAE)
- AUSTRALITEUTHIDAE Lu, 2005 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-MYOPSIDA [Order])
- Australiteuthis, Genus Australiteuthis C.C. Lu, 2005 (AUSTRALITEUTHIDAE)
- Australium, Subgenus Astraea (Australium) Lamarck, 1822 (TURBINIDAE) (FOSSIL)
- Australobuchia, Genus Australobuchia Zakharov, 1981 (BUCHIIDAE) (FOSSIL)
- australocapax, Penion australocapax J.D. Stilwell & Zinsmeister, 1992 † - (BUCCINIDAE) (FOSSIL)
- australocaudatus, Falcidens australocaudatus Passos, Corrêa & Todt, 2016 - (CHAETODERMATIDAE)
- Australocosmica, Genus Australocosmica F. Kφhler, 2011 (CAMAENIDAE)
- Australohalkieria, Genus Australohalkieria Porter, 2004 (SACHITIDA (UNASSIGNED)) (FOSSIL)
- australojaponicum, Nemocardium australojaponicum J.J. Ter Poorten, 2013 - (CARDIIDAE)
- Australolaxispira, Genus Australolaxispira Wang, 1982 (EPITONIIDAE) (FOSSIL)
- Australomya, Genus Australomya Runnegar, 1969 (VACUNELLIDAE) (FOSSIL)
- Australoneilo, Genus Australoneilo Zinsmeister, 1984 (MALLETIIDAE) (FOSSIL)
- Australonema, Genus Australonema Tassell, 1980 (ORIOSTOMATIDAE) (FOSSIL)
- australopilula, Cardiolucina australopilula D.W. Taylor & E.A. Glover, 1997 - (LUCINIDAE)
- Australoportlandia, Genus Australoportlandia Zinsmeister, 1984 (NUCULANIDAE) (FOSSIL)
- Australopsis, syn of: Genus Oparopsis A. Cecalupo & I. Perugia, 2015 (CERITHIOPSIDAE)
- Australorbis, Genus Australorbis H.A. Pilsbry, 1934 (PLANORBIDAE)
- Australoscutula, Genus Australoscutula Cook & al., 2007 (PRAGOSCUTULIDAE) (FOSSIL)
- Australotheca, Genus Australotheca Malinky , 2009 (AUSTRALOTHECIDAE) (FOSSIL)
- AUSTRALOTHECIDAE Malinky, 2009 - Family (HYOLITHA-HYOLITHIDA [Order]) (FOSSIL)
- Australotropaeum, Subgenus Tropaeum (Australotropaeum) Aguirre-Urreta, 1985 (ANCYLOCERATIDAE) (FOSSIL)
- Australoxa, Genus Australoxa Cook & Camilleri, 1997 (LOXONEMATIDAE) (FOSSIL)
- Australpera, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- austramosus, Chicoreus austramosus E.H. Vokes, 1978 - (MURICIDAE)
- austranaxa, Sarepta austranaxa Stilwell 2005 † - (SAREPTIDAE) (FOSSIL)
- Austrancilla, syn of: Genus Amalda H. Adams & A. Adams, 1853 (ANCILLARIIDAE)
- austraoceanensis, Babylonia austraoceanensis T.C. Lan, 1997 - syn of: Babylonia areolata lani E. Gittenberger & J. Goud, 2003 - (BABYLONIIDAE)
- austrasiae, Phenacolimax austrasiae A.J. Wagner, 1915 - syn of: Phenacolimax major (A.E.J. Férussac, 1807) - (VITRINIDAE)
- Austrasiatica, Genus Austrasiatica F.Jr. Lorenz, 1989 (CYPRAEIDAE)
- austriaca, Turrancilla austriaca (M. Hörnes, 1875 †) - (ANCILLARIIDAE) (FOSSIL)
- austriaca, Bythinella austriaca (G.R. von Frauenfeld, 1856) - (BYTHINELLIDAE)
- austriaca, Cardita austriaca J. Von Hauer, 1853 † - (CARDITIDAE) (FOSSIL)
- austriaca, Serrulella austriaca H. Nordsieck, 2007 † - (CLAUSILIIDAE) (FOSSIL)
- austriaca, Azeca tridentiformis austriaca Lueger, 1981 † - (COCHLICOPIDAE) (FOSSIL)
- austriaca, Cuvierina austriaca E.A.L. Kittl, 1886 † - (CUVIERINIDAE) (FOSSIL)
- austriaca, Triptychia obliquiplicata austriaca E.E. Binder, 2002 † - (FILHOLIIDAE) (FOSSIL)
- austriaca, Austriacopsis austriaca (Hornes, 1853 †) - (FISSURELLIDAE) (FOSSIL)
- austriaca, Halobia austriaca Mojsisovics, 1874 † - (HALOBIIDAE) (FOSSIL)
- austriaca, Helix austriaca K.T. Menke, 1828 - syn of: Octadenia vindobonensis (L. Pfeiffer, 1828) - (HELICIDAE)
- austriaca, Helicopsis striata austriaca E. Gittenberger, 1969 - (HYGROMIIDAE)
- austriaca, Leiostyla austriaca (Wenz, 1921) † - (LAURIIDAE) (FOSSIL)
- austriaca, Melanopsis austriaca Handmann, 1882 † - (MELANOPSIDAE) (FOSSIL)
- austriaca, Orcula austriaca S. Zimmermann, 1932 - (ORCULIDAE)
- austriaca, Oxychilus austriaca A.J. Wagner, 1907 - syn of: Oxychilus draparnaudi (H.H. Beck, 1837) - (OXYCHILIDAE)
- austriaca, Skoumalia austriaca Summesberger, 1979 † - syn of: Eulophoceras austriacum (Summesberger, 1979 †) - (SPHENODISCIDAE) (FOSSIL)
- austriaca conica, Bythinella austriaca conica S. Clessin, 1910 - (BYTHINELLIDAE)
- austriaca croatica, Melanopsis austriaca croatica Š. Brusina, 1902 † - syn of: Melanopsis haueri markusevecensis W.A. Wenz, 1930 † - (MELANOPSIDAE) (FOSSIL)
- austriaca ehrmanni, Bythinella austriaca ehrmanni F.A. Pax, 1938 - (BYTHINELLIDAE)
- austriaca faueri, Orcula austriaca faueri M. Klemm, 1967 - (ORCULIDAE)
- austriaca goelleri, Orcula austriaca goelleri E. Gittenberger, 1978 - (ORCULIDAE)
- austriaca melanostoma, Bythinella austriaca melanostoma (K. Brancsik, 1889) - (BYTHINELLIDAE)
- austriaca pavovillatica, Bythinella austriaca pavovillatica H. Canon, 1937 - (BYTHINELLIDAE)
- austriaca pseudofuchsi, Orcula austriaca pseudofuchsi M. Klemm, 1967 - (ORCULIDAE)
- austriaconoe, Chelyconus austriaconoe Sacco, 1893 † - (CONIDAE) (FOSSIL)
- Austriacopsis, Genus Austriacopsis Haber, 1932 (FISSURELLIDAE) (FOSSIL)
- austriacum, Trematoceras austriacum (Mojsisovics, 1873 †) - (ORTHOCERATIDAE) (FOSSIL)
- austriacum, Orthoceras austriacum Mojsisovics, 1873 † - syn of: Trematoceras austriacum (Mojsisovics, 1873 †) - (ORTHOCERATIDAE) (FOSSIL)
- austriacum, Eulophoceras austriacum (Summesberger, 1979 †) - (SPHENODISCIDAE) (FOSSIL)
- austriacus, Cenoceras austriacus (J. Von Hauer, 1856 †) - (CENOCERATIDAE) (FOSSIL)
- austriacus, Conus mercati austriacus R. Hoernes & M. Auinger, 1882 † - (CONIDAE) (FOSSIL)
- austriacus, Janulus austriacus Harzhauser & Binder, 2004 † - (GASTRODONTIDAE) (FOSSIL)
- austriacus, Trochulus striolatus austriacus F. Mahler, 1952 - (HYGROMIIDAE)
- austriacus, Murex austriacus R. Tournouer, 1875 † - (MURICIDAE) (FOSSIL)
- austriacus, Theodoxus cyrtocelis austriacus (Rzehak, 1893 †) - (NERITIDAE) (FOSSIL)
- austriana, Belgrandiella austriana (P. Radoman, 1975) - (HYDROBIIDAE)
- Austriella, Genus Austriella J.E. Tenison-Woods, 1881 (LUCINIDAE)
- austrina, Phallomedusa austrina R.E. Golding, W.F. Ponder & M.M. Byrne, 2007 - (AMPHIBOLIDAE)
- austrina, Cerithiopsilla austrina C. Hedley, 1911 - syn of: Cerithiella austrina (C. Hedley, 1911) - (CERITHIOPSIDAE)
- austrina, Mitrella austrina (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- austrina, Cyclochlamys austrina H.H. Dijkstra & B.A. Marshall, 2008 - (CYCLOCHLAMYDIDAE)
- austrina, Limea austrina R. Tate, 1887 - (LIMIDAE)
- austrina, Cerithiella austrina (C. Hedley, 1911) - (NEWTONIELLIDAE)
- austrina, Phyllomenia austrina K.H.J. Thiele, 1913 - (PHYLLOMENIIDAE)
- austrina, Cincinna austrina Pan, 1977 † - (VALVATIDAE) (FOSSIL)
- Austrinauta, Genus Austrinauta D.W. Taylor, 2003 (PHYSIDAE)
- austrinum, Sepiadarium austrinum S.S. Berry, 1921 - (SEPIADARIIDAE)
- austrinus, Acteon austrinus R.B. Watson, 1881 - syn of: Leucotina casta (A. Adams, 1853) - (ACTEONIDAE)
- austrinus, Leucotina austrinus R.B. Watson, 1881 - syn of: Leucotina casta (A. Adams, 1853) - (AMATHINIDAE)
- austrinus, Strepsodiscus austrinus Pinilla & al., 2008 † - (TROPIDODISCIDAE) (FOSSIL)
- austrinus, Banzarecolpus austrinus (R.B. Watson, 1881) - (TURRITELLIDAE)
- austririphaeus, Flowerites austririphaeus P.A. Zhuravleva, 1972 † - (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- Austriumphis, Genus Austriumphis Vermeij, 1997 (BUCCINIDAE) (FOSSIL)
- austroalpinus, Planorbis austroalpinus M. Harzhauser & al., 2012 † - (PLANORBIDAE) (FOSSIL)
- austroamericana, Fontannesia austroamericana Jaworski, 1926 † - (SONNINIIDAE) (FOSSIL)
- Austroaporrhais, Genus Austroaporrhais Zinsmeister & Griffin, 1995 (APORRHAIDAE) (FOSSIL)
- Austroassiminea, Genus Austroassiminea G.A. Solem & H. Girardi, 1982 (ASSIMINEIDAE)
- Austrobalea, syn of: Genus Macroptychia O. Bφttger, 1877 (CLAUSILIIDAE)
- austrobenthalis, Nucula austrobenthalis R.K. Dell, 1990 - (NUCULIDAE)
- Austroborus, Genus Austroborus J.J. Parodνz, 1949 (STROPHOCHEILIDAE)
- Austrobuccinum, Genus Austrobuccinum Stilwell & Zinsmeister, 1992 (BUCCINIDAE) (FOSSIL)
- austrocaledonicum, Epitonium austrocaledonicum (R.P. Montrouzier, 1859) - (EPITONIIDAE)
- Austrocallista, Genus Austrocallista Erdmann & Morra, 1985 (VENERIDAE) (FOSSIL)
- Austrocamaena, Genus Austrocamaena Stanisic, 2010 (CAMAENIDAE)
- Austrocardiella, Genus Austrocardiella P.U. Middelfart, 2002 (CONDYLOCARDIIDAE)
- Austrocardilanx, Genus Austrocardilanx Gardner , 2005 (VENERIDAE) (FOSSIL)
- Austrocardium, Genus Austrocardium Freneix, 1978 (CARDIIDAE) (FOSSIL)
- Austrocarina, Genus Austrocarina C.F. Laseron, 1954 (HORAICLAVIDAE)
- Austroceratites, Subgenus Ceratites (Austroceratites) Riedel, 1916 (CERATITIDAE) (FOSSIL)
- Austrochiton, Genus Austrochiton Bergenhayn, 1945 (NEOLORICATA (UNASSIGNED)) (FOSSIL)
- Austrochlamys, Genus Austrochlamys H.A. Jonkers, 2003 (PECTINIDAE)
- Austrochlea, syn of: Genus Austrocochlea P. Fischer, 1885 (TROCHIDAE)
- Austrochloritis, Genus Austrochloritis H.A. Pilsbry, 1891 (CAMAENIDAE)
- austrocingulata, Pirenella austrocingulata D.G. Reid, 2015 - (POTAMIDIDAE)
- Austroclavus, Genus Austroclavus Powell, 1942 (DRILLIIDAE) (FOSSIL)
- Austrocochlea, Genus Austrocochlea P. Fischer, 1885 (TROCHIDAE)
- Austrocochlis, Genus Austrocochlis Finlay, 1937 (NATICIDAE) (FOSSIL)
- Austrocominella, Genus Austrocominella Ihering, 1907 (BUCCINIDAE) (FOSSIL)
- austroconica, Bolma austroconica Beu & Ponder, 1979 † - (TURBINIDAE) (FOSSIL)
- Austroconus, Genus Austroconus J.K. Tucker & M.J. Tenorio, 2009 (CONIDAE)
- austrocubana, Ledella austrocubana Z.A. Filatova & A.A. Schileyko, 1984 - (NUCULANIDAE)
- Austrocucullaea, Genus Austrocucullaea Zinsmeister, 1988 (CUCULLAEIDAE) (FOSSIL)
- Austrocyclotus, Subgenus Aperostoma (Austrocyclotus) P. Bartsch, 1942 (NEOCYCLOTIDAE)
- Austrocyclus, syn of: Genus Maizania J.R. Bourguignat, 1889 (MAIZANIIDAE)
- Austrocylichna, Genus Austrocylichna R.F. Burn, 1974 (HAMINOEIDAE)
- Austrocypraea, Genus Austrocypraea A.E.M. Cossmann, 1903 (CYPRAEIDAE)
- Austrocyprina, Genus Austrocyprina Gardner, 2005 (ISOCYPRINIDAE) (FOSSIL)
- Austrodaphnella, Genus Austrodaphnella C.F. Laseron, 1954 (RAPHITOMIDAE)
- Austrodevonia, Genus Austrodevonia P.U. Middelfart & A.K. Craig, 2004 (GALEOMMATIDAE)
- Austrodiaphana, syn of: Genus Diaphana T. Brown, 1827 (DIAPHANIDAE)
- austrodigitalis, Lottia austrodigitalis C.E. Murphy, 1978 - (LOTTIIDAE)
- austrodimorphus, Allodiscus austrodimorphus R.K. Dell, 1955 - (CHAROPIDAE)
- Austrodiscus, Genus Austrodiscus Parodiz, 1957 (CHAROPIDAE) (FOSSIL)
- Austrodoris, Genus Austrodoris N.H. Odhner, 1926 (DORIDIDAE)
- Austrodosinia, Subgenus Dosinia (Austrodosinia) W.H. Dall, 1902 (VENERIDAE)
- Austrodrillia, Genus Austrodrillia C. Hedley, 1918 (HORAICLAVIDAE)
- Austroficopsis, Genus Austroficopsis Stilwell & Zinsmeister, 1992 (FICIDAE) (FOSSIL)
- austrofilia, Eocallista austrofilia Gardner, 2005 † - (CYRENIDAE) (FOSSIL)
- AustroFusinus, syn of: Genus Fusinus C.S. Rafinesque, 1815 (FASCIOLARIIDAE)
- Austrofusus, Genus Austrofusus W. Kobelt, 1879 (BUCCINIDAE)
- Austrogemmula, syn of: Genus Epidirella T. Iredale, 1931 (TURRIDAE)
- Austrogena, Genus Austrogena E.M. Krylova, 2014 (VESICOMYIDAE)
- Austroginella, Genus Austroginella C.F. Laseron, 1957 (MARGINELLIDAE)
- Austroginellini, syn of: Genus Myobarum N.F. Sohl, 1963 (MARGINELLIDAE)
- Austroglyphis, syn of: Genus Diodora J.E. Gray, 1821 (FISSURELLIDAE)
- Austroglyphis, syn of: Genus Diodora J.E. Gray, 1821 (FISSURELLIDAE)
- Austroharpa, Genus Austroharpa H.J. Finlay, 1931 (HARPIDAE)
- Austrohinnites, Genus Austrohinnites Beu & Darragh, 2001 (PECTINIDAE) (FOSSIL)
- Austroimbricaria, Genus Austroimbricaria Olivera & Camacho, 1990 (MITRIDAE) (FOSSIL)
- Austrolima, syn of: Genus Lima J.G. Bruguiθre, 1789 (LIMIDAE)
- Austroliotia, Genus Austroliotia B.C. Cotton, 1948 (LIOTIIDAE)
- austrolissa, Anatoma austrolissa D.L. Geiger & T. Sasaki, 2008 - (ANATOMIDAE)
- austrolissa, Eumarcia austrolissa J.D. Stilwell & Zinsmeister, 1992 † - (VENERIDAE) (FOSSIL)
- Austrolithes, syn of: Genus Clavilithes Swainson, 1840 (FASCIOLARIIDAE) (FOSSIL)
- Austrolittorina, Genus Austrolittorina J.P. Rosewater, 1970 (LITTORINIDAE)
- Austromacoma, Subgenus Bathytellina (Austromacoma) Olsson, 1961 (TELLINIDAE)
- Austromactra, Genus Austromactra T. Iredale, 1930 (MACTRIDAE)
- Austromarconia, Genus Austromarconia van Bruggen & de Winter, 2003 (STREPTAXIDAE)
- Austrombus, Genus Austrombus Nielsen, 2005 (STROMBIDAE) (FOSSIL)
- Austromitra, Genus Austromitra H.J. Finlay, 1927 (COSTELLARIIDAE)
- Austromyophorella, Genus Austromyophorella Cooper, 2011 (MYOPHORELLIDAE) (FOSSIL)
- Austromytilus, syn of: Genus Brachidontes W.J. Swainson, 1840 (MYTILIDAE)
- austronana, Oistotrigonia austronana J.D. Stilwell & J.L. Gallagher, 2009 † - (PTEROTRIGONIIDAE) (FOSSIL)
- Austronassaria, syn of: Genus Nassarius Dumιril, 1805 (NASSARIIDAE)
- Austroneaera, Genus Austroneaera A. Powell, 1937 (CUSPIDARIIDAE)
- Austroneilsonia, Genus Austroneilsonia Sabatini , 1975 (GOSSELETINIDAE) (FOSSIL)
- Austronema, Genus Austronema Cobb, 1914 (PALAEOSTYLIDAE) (FOSSIL)
- Austroneraea, syn of: Genus Rhinoclama A. Powell, 1937 (CUSPIDARIIDAE)
- Austronoba, syn of: Genus Onoba H. Adams & A. Adams, 1852 (RISSOIDAE)
- Austronucula, Genus Austronucula A. Powell, 1939 (NUCULIDAE)
- austropacifica, Miralda austropacifica W.R.B. Oliver, 1915 - (PYRAMIDELLIDAE)
- austropacifica, Chlorostoma austropacifica C. Nielsen & al., 2004 † - (TEGULIDAE) (FOSSIL)
- Austropeplea, Genus Austropeplea B.C. Cotton, 1942 (LYMNAEIDAE)
- Austrophaera, syn of: Genus Austrosphaera Furque & Camacho, 1949 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Austrophora, Subgenus Xenophora (Austrophora) K. Kreipl, A. Alf & G.C. Kronenberg, 1999 (XENOPHORIDAE)
- Austrophora, syn of: Genus Xenophora P. Fischer, 1807 (XENOPHORIDAE)
- Austropilula, Subgenus Assiminea (Austropilula) K.H.J. Thiele, 1927 (ASSIMINEIDAE)
- austroplata, Venericor austroplata (Gardner & E. Bowles, 1939 †) - (CARDITIDAE) (FOSSIL)
- Austroplatyodon, syn of: Genus Platyodon T.A. Conrad, 1837 (MYIDAE)
- Austropteria, syn of: Genus Pteria J.A. Scopoli, 1777 (PTERIIDAE)
- Austropteria, syn of: Genus Pteria J.A. Scopoli, 1777 (PTERIIDAE)
- Austropusilla, Genus Austropusilla C.F. Laseron, 1954 (RAPHITOMIDAE)
- Austropyrgus, Genus Austropyrgus B.C. Cotton, 1943 (HYDROBIIDAE)
- Austrorhytida, Genus Austrorhytida J. Stanisic, 2010 (RHYTIDIDAE)
- Austrorissopsis, Genus Austrorissopsis W.F. Ponder, 1965 (ACLIDIDAE)
- Austrorossia, Genus Austrorossia S.S. Berry, 1918 (SEPIOLIDAE)
- Austrosarepta, syn of: Genus Lissarca E.A. Smith, 1879 (PHILOBRYIDAE)
- Austrosassia, syn of: Genus Sassia L.M.D. Bellardi, 1873 (RANELLIDAE)
- Austroscalata, Genus Austroscalata Waterhouse, 1987 (PHYMATOPLEURIDAE) (FOSSIL)
- Austroscintilla, Genus Austroscintilla Kautsky, 1939 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Austroselenites, Genus Austroselenites W. Kobelt, 1905 (HAPLOTREMATIDAE)
- Austrosina, syn of: Genus Rissoina D'Orbigny, 1840 (RISSOINIDAE)
- Austrosipho, syn of: Genus Penion P. Fischer, 1884 (BUCCINIDAE)
- Austrosolemya, syn of: Genus Solemya J.B.P.A. Lamarck, 1818 (SOLEMYIDAE)
- Austrosphaera, Genus Austrosphaera Furque & Camacho, 1949 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Austrosportella, syn of: Genus Anisodonta G.P. Deshayes, 1858 (BASTEROTIIDAE)
- Austrosuccinea, Genus Austrosuccinea T. Iredale (SUCCINEIDAE)
- austrosulca, Thyasira austrosulca J.D. Stilwell & al., 2004 † - (THYASIRIDAE) (FOSSIL)
- Austrotachea, syn of: Genus Cepaea F. Held, 1837 (HELICIDAE)
- Austroteredo, syn of: Genus Teredo C. Linnaeus, 1758 (TEREDINIDAE)
- Austroteuthis, Genus Austroteuthis Jeletzky & Zapfe, 1967 (AULACOCERIDA (UNASSIGNED)) (FOSSIL)
- Austrotindaria, Genus Austrotindaria Fleming, 1948 (NEILONELLIDAE) (FOSSIL)
- Austrotindaria, syn of: Genus Neilonella G. Seguenza, 1877 (NEILONELLIDAE)
- Austrotoma, Genus Austrotoma Finlay, 1924 (CONOIDEA (UNASSIGNED)) (FOSSIL)
- austrotomoides, Zeatoma austrotomoides (Powell, 1931 †) - (CONOIDEA (UNASSIGNED)) (FOSSIL)
- Austrotrachyceras, Genus Austrotrachyceras Krystyn , 1978 (TRACHYCERATIDAE) (FOSSIL)
- Austrotrigonia, Genus Austrotrigonia Skwarko, 1963 (TRIGONIIDAE) (FOSSIL)
- Austrotriton, syn of: Genus Sassia L.M.D. Bellardi, 1873 (RANELLIDAE)
- Austrotrivia, syn of: Genus Trivirostra F.P. Jousseaume, 1884 (TRIVIIDAE)
- Austrotrochaclis, Genus Austrotrochaclis B.A. Marshall, 1995 (TROCHACLIDIDAE)
- austrotrochoides, Echinolittorina austrotrochoides D.G. Reid, 2007 - (LITTORINIDAE)
- Austrotrophon, Genus Austrotrophon W.H. Dall, 1902 (MURICIDAE)
- Austroturquetia, syn of: Genus Benthoquetia T. Iredale, 1930 (SPORTELLIDAE)
- Austroturris, Genus Austroturris C.F. Laseron, 1954 (BORSONIIDAE)
- Austrovenus, Subgenus Chione (Austrovenus) H.J. Finlay, 1926 (VENERIDAE)
- austroviola, Pseudohermes austroviola (D. Röckel & W. Korn, 1992) - (CONIDAE)
- Austrovoluta, syn of: Genus Voluta C. Linnaeus, 1758 (VOLUTIDAE)
- Austroworthenia, Genus Austroworthenia Maxwell, 1961 (PLEUROTOMARIIDAE) (FOSSIL)
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