- anubis, Gyrostrea anubis N. Malchus, 1990 † - (GRYPHAEIDAE) (FOSSIL)
- anubis, Trituba anubis M.R. Fernandes, R. Garofalo & A. Pimenta, 2015 - (NEWTONIELLIDAE)
- anudeorum, Armodoris anudeorum Á. Valdés, A.L. Moran & H.A. Woods, 2011 - (AKIODORIDIDAE)
- Anuites, Genus Anuites Andrianov , 1985 (SPIROLEGOCERATIDAE) (FOSSIL)
- Anula, syn of: Genus Ovula J.G. Bruguiθre, 1789 (OVULIDAE)
- anularia, Turbonilla anularia A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- Anularya, Genus Anularya L.J. Zhang & S.C. Chen, 2015 (VIVIPARIDAE)
- anulata, Circotheca anulata Syssoiev, 1959 † - syn of: Turcutheca rugata (A.V. Sysoev, 1959 †) - (CIRCOTHECIDAE) (FOSSIL)
- anulata, Cuthona anulata (K. Baba, 1949) - (FIONIDAE)
- anulata, Margovula anulata (D. Fehse, 2001) - (OVULIDAE)
- anulata, Claraia anulata Yin & Gan, 1978 † - (PTERINOPECTINIDAE) (FOSSIL)
- anulata, Trinchesia anulata K. Baba, 1949 - syn of: Cuthona anulata (K. Baba, 1949) - (TRINCHESIIDAE)
- anulatus, Janolus anulatus Y. Camacho-García & T.M. Gosliner, 2006 - (PROCTONOTIDAE)
- Anuliconus, Genus Anuliconus Parkhaev , 2001 (HELCIONELLIDAE) (FOSSIL)
- ANULIDENTALIIDAE Chistikov, 1975 - Family (SCAPHOPODA-DENTALIIDA [Order])
- Anulidentalium, Genus Anulidentalium S.D. Chistikov, 1975 (ANULIDENTALIIDAE)
- anulifera, Phidiana anulifera (K. Baba, 1949) - (FACELINIDAE)
- Anulifera, Genus Anulifera Zapfe, 1962 (PROTORCULIDAE) (FOSSIL)
- Anulipecten, Genus Anulipecten Ruzicka & al., 1959 (PTERINOPECTINIDAE) (FOSSIL)
- anulosa, Omniglypta anulosa J.W. Brazier, 1877 - syn of: Episiphon subtorquatum (P. Fischer, 1871) - (OMNIGLYPTIDAE)
- Anulostrea, Genus Anulostrea Vialov, 1936 (OSTREIDAE) (FOSSIL)
- anulosum, Dentalium anulosum J.W. Brazier, 1877 - syn of: Episiphon subtorquatum (P. Fischer, 1871) - (DENTALIIDAE)
- Anulotaia, Genus Anulotaia R.A.M. Brandt, 1968 (VIVIPARIDAE)
- anumbilicatum, Puncticeras anumbilicatum (Schindewolf, 1923 †) - (CHEILOCERATIDAE) (FOSSIL)
- Anunio, Genus Anunio Lebedev, 1959 (PSEUDOHYRIIDAE) (FOSSIL)
- Anura, syn of: Genus Pisanianura G. Rovereto, 1899 (PISANIANURIDAE)
- anura, Anodonta anura C.A. Westerlund, 1898 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- anurus, Mesomphix anurus L.R. Hubricht, 1962 - (ZONITIDAE)
- anus, Murex anus C. Linnaeus, 1758 - syn of: Distorsio anus (C. Linnaeus, 1758) - (MURICIDAE)
- anus, Distorsio anus (C. Linnaeus, 1758) - (PERSONIDAE)
- anus, Dosinia anus (R.A. Philippi, 1848) - (VENERIDAE)
- Anusium, syn of: Genus Amusium P.F. Rφding, 1798 (PECTINIDAE)
- anwari, Cassis anwari Abbass, 1967 † - (CASSIDAE) (FOSSIL)
- anxia, Mangelia anxia C. Hedley, 1909 - syn of: Exomilus edychrous (R.P.J. Hervier, 1897) - (MANGELIIDAE)
- anxia, Granulina anxia (C. Hedley, 1909) - (MARGINELLIDAE)
- anxia, Odostomia anxia C. Hedley, 1909 - (PYRAMIDELLIDAE)
- anxia, Kermia anxia C. Hedley, 1909 - syn of: Exomilus edychrous (R.P.J. Hervier, 1897) - (RAPHITOMIDAE)
- anxia, Liotella anxia (C. Hedley, 1909) - (SKENEIDAE)
- anxianensis, Euryalox anxianensis Pan, 1982 † - (PHYMATOPLEURIDAE) (FOSSIL)
- Anxietas, Genus Anxietas T. Iredale, 1917 (SEGUENZIIDAE)
- anxifer, Sydaphera anxifer (T. Iredale, 1925) - (CANCELLARIIDAE)
- anxius, Kermia anxius C. Hedley, 1909 - syn of: Exomilus edychrous (R.P.J. Hervier, 1897) - (RAPHITOMIDAE)
- anxius, Exomilus anxius C. Hedley, 1909 - syn of: Exomilus edychrous (R.P.J. Hervier, 1897) - (RAPHITOMIDAE)
- anxius, Cyclostremiscus anxius (C. Hedley, 1910) - (TORNIDAE)
- anxurensis, Anodonta anxurensis H. Drouët, 1883 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- anzeianum, Paladilhiopsis grobbeni anzeianum (R. Slapnik, 1995) - (MOITESSIERIIDAE)
- anzobica, Pupilla anzobica Z.I. Izzatullaev, 1970 - (PUPILLIDAE)
- aojii, Lophospira aojii Endo, 1932 † - syn of: Lophospira perangulata (J.W. Hall, 1847 †) - (LOPHOSPIRIDAE) (FOSSIL)
- aola, Turbonilla aola A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- aomori, Odostomia aomori S. Nomura, 1938 - (PYRAMIDELLIDAE)
- aomoriensis, Astarte aomoriensis S. Nomura & K.M. Hatai, 1935 - syn of: Astarte vernicosa W.H. Dall, 1903 - (ASTARTIDAE)
- aomoriensis, Astarte aomoriensis S. Nomura & K.M. Hatai, 1935 - syn of: Astarte vernicosa W.H. Dall, 1903 - (ASTARTIDAE)
- aomoriensis, Euhadra senckenbergiana aomoriensis J.T. Gulick & H.A. Pilsbry, 1900 - (BRADYBAENIDAE)
- aomoriensis, Euhadra herklotsi aomoriensis J.T. Gulick & H.A. Pilsbry, 1900 - (BRADYBAENIDAE)
- aomoriensis, Cyclocardia aomoriensis K. Chinzei, 1968 † - (CARDITIDAE) (FOSSIL)
- aomoriensis, Splendrillia aomoriensis (S. Nomura & K.M. Hatai, 1940) - (DRILLIIDAE)
- aomoriensis, Boreotrophon aomoriensis (S. Nomura & K.M. Hatai, 1940) - (MURICIDAE)
- aomoriensis, Rhizorus aomoriensis S. Nomura, 1939 - syn of: Volvulella radiola (A. Adams, 1862) - (RHIZORIDAE)
- aon, Ammonites aon Münster, 1834 † - syn of: Trachyceras aon (Münster, 1834 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- aon, Trachyceras aon (Münster, 1834 †) - (TRACHYCERATIDAE) (FOSSIL)
- aonis, Pseudomelania aonis E.A.L. Kittl, 1894 † - (PSEUDOMELANIIDAE) (FOSSIL)
- aonis, Monophyllites aonis Mojsisovics, 1882 † - (USSURITIDAE) (FOSSIL)
- aonoides, Trachyceras aonoides Mojsisovics, 1882 † - (TRACHYCERATIDAE) (FOSSIL)
- aontzyense, Menuthiocrioceras aontzyense M. Collignon, 1962 † - (CRIOCERATITIDAE) (FOSSIL)
- aoos, Carinigera buresi aoos (H. Nordsieck, 2015) - (CLAUSILIIDAE)
- aora, Astraea aora W.P. Woodring, 1928 † - (TURBINIDAE) (FOSSIL)
- aorangi, Huonodon aorangi (H.H. Suter, 1890) - (CHAROPIDAE)
- aorangi, Sypharochiton aorangi (R.G. Creese & H.B. O'Neill, 1987) - (CHITONIDAE)
- aoreensis, Joculator aoreensis A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- Aorotrema, Genus Aorotrema J.S. Schwengel & J.T.L. McGinty, 1942 (TORNIDAE)
- aorus, Choanomphalus aorus J.R. Bourguignat, 1860 - (PLANORBIDAE)
- aostana, Andraea aostana C.A. Westerlund, 1901 - syn of: Andraea dubia J.P.R. Draparnaud, 1805 - (CLAUSILIIDAE)
- aotea, Hemilepton aotea P.A. Maxwell, 1992 † - (LASAEIDAE) (FOSSIL)
- Aoteadrillia, Genus Aoteadrillia A. Powell, 1942 (HORAICLAVIDAE)
- aoteaensis, Eulima aoteaensis P. Marshall & R. Murdoch, 1921 † - (EULIMIDAE) (FOSSIL)
- aoteaensis, Inella aoteaensis (P. Marshall & R. Murdoch, 1920 †) - (TRIPHORIDAE) (FOSSIL)
- aoteana, Armina aoteana M.C. Miller & R.C. Willan, 1986 - (ARMINIDAE)
- aoteana, Belomitra aoteana (R.K. Dell, 1956) - (BELOMITRIDAE)
- aoteana, Dellina aoteana R.K. Dell, 1956 - syn of: Belomitra climacella (W.H. Dall, 1895) - (BUCCINIDAE)
- aoteana, Waipaoa aoteana R.K. Dell, 1956 - syn of: Belomitra aoteana (R.K. Dell, 1956) - (CANCELLARIIDAE)
- aoteana, Cardita distorta aoteana H.J. Finlay, 1927 - (CARDITIDAE)
- aoteana, Antizafra aoteana R.K. Dell, 1956 - syn of: Belomitra aoteana (R.K. Dell, 1956) - (COLUMBELLIDAE)
- aoteana, Splendrillia aoteana H.J. Finlay, 1930 - (DRILLIIDAE)
- aoteana, Hermaea aoteana A.W.B. Powell, 1937 - syn of: Placida dendritica (J. Alder & A. Hancock, 1843) - (HERMAEIDAE)
- aoteana, Placida aoteana A.W.B. Powell, 1937 - syn of: Placida dendritica (J. Alder & A. Hancock, 1843) - (LIMAPONTIIDAE)
- aoteana, Limopsis aoteana (P. Vella, 1954 †) - (LIMOPSIDAE) (FOSSIL)
- aoteana, Malletia aoteana (B.A. Marshall, 1978) - (MALLETIIDAE)
- aoteana, Neilo aoteana B.A. Marshall, 1978 - syn of: Malletia aoteana (B.A. Marshall, 1978) - (MALLETIIDAE)
- aoteana, Turbonilla aoteana A.W.B. Powell, 1930 - (PYRAMIDELLIDAE)
- aoteana, Putilla aoteana (A.W.B. Powell, 1937) - (SEGUENZIOIDEA (UNASSIGNED))
- aoteanum, Eudolium aoteanum A.G. Beu, 1970 † - (TONNIDAE) (FOSSIL)
- aoteanus, Hirtotyphis aoteanus (P. Vella, 1961 †) - (MURICIDAE) (FOSSIL)
- aoteanus, Mytilus edulis aoteanus A.W.B. Powell, 1958 - (MYTILIDAE)
- aoteanus, Nassarius aoteanus H.J. Finlay, 1926 - (NASSARIIDAE)
- aotearoa, Lyonsiella aotearoa R.K. Dell, 1995 - (LYONSIELLIDAE)
- aotearoa, Hortia aotearoa Y.I. Kantor, P. Lozouet, N. Puillandre & P. Bouchet, 2014 - (PYRAMIMITRIDAE)
- aotearoicus, Thylacodes aotearoicus (J.E. Morton, 1951) - (VERMETIDAE)
- Aoteatilia, Genus Aoteatilia A. Powell, 1939 (COLUMBELLIDAE)
- aotii, Bellerophon aotii Kobayashi, 1958 † - syn of: Bucania aotii (Kobayashi, 1958 †) - (BELLEROPHONTIDAE) (FOSSIL)
- aotii, Bucania aotii (Kobayashi, 1958 †) - (BUCANIIDAE) (FOSSIL)
- aotii, Halobia aotii Kobayashi & M. Ichikawa, 1949 † - (HALOBIIDAE) (FOSSIL)
- aotus, Pecten aotus Verrill & K.J. Bush, 1897 - syn of: Similipecten nanus (A.E. Verrill & K.J. Bush, 1897) - (PECTINIDAE)
- aotus, Cyclopecten aotus A.A. Olsson, 1922 - syn of: Similipecten nanus (A.E. Verrill & K.J. Bush, 1897) - (PROPEAMUSSIIDAE)
- apaca, Goniobasis apaca Unknown - (PLEUROCERIDAE)
- apache, Sonorella apache H.A. Pilsbry & J.H. Ferriss, 1915 - (HELMINTHOGLYPTIDAE)
- Apachecoccus, syn of: Genus Pyrgulopsis R.E. Call & H.A. Pilsbry, 1886 (HYDROBIIDAE)
- Apachecorbula, Genus Apachecorbula Oliver & Vestheim, 2015 (CORBULIDAE)
- Apachella, Genus Apachella Winters , 1956 (GOSSELETINIDAE) (FOSSIL)
- apachensis, Littoridina apachensis W.A. Biese, 1947 - (COCHLIOPIDAE)
- apachensis, Naticopsis apachensis Winters, 1963 † - (DELPHINULOPSIDAE) (FOSSIL)
- apachesi, Myalina apachesi Marcou, 1858 † - syn of: Septimyalina burmai Newell, 1942 † - (MYALINIDAE) (FOSSIL)
- apachiensis, Turbonopsis apachiensis Day & Beus, 1982 † - (PALAEOTROCHIDAE) (FOSSIL)
- apakadikike, Petaloconchus apakadikike D.P. Kelly, 2007 - (VERMETIDAE)
- apala, Anodonta apala É.A.A. Locard, 1899 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- apalachee, Microspira apalachee J. Gardner, 1937 † - (MARGINELLIDAE) (FOSSIL)
- apalachee, Conomitra apalachee J. Gardner, 1937 † - (VOLUTOMITRIDAE) (FOSSIL)
- apalachicolae, Loxacypraea apalachicolae W.M. Ingram, 1948 † - (CYPRAEIDAE) (FOSSIL)
- apalisti, Vitrea apalisti M. Couturier, 1903 - syn of: Vitrea subrimata (O.W.H. Reinhardt, 1871) - (PRISTILOMATIDAE)
- apalistus, Vitrea apalistus J.R. Bourguignat, 1864 - syn of: Vitrea subrimata (O.W.H. Reinhardt, 1871) - (PRISTILOMATIDAE)
- apalolena, Otala apalolena J.R. Bourguignat, 1867 - syn of: Otala punctata (O.F. Müller, 1774) - (HELICIDAE)
- apama, Sepia apama J.E. Gray, 1849 - (SEPIIDAE)
- apameae, Apameaus apameae N. Sivan, J. Heller & D. Van Damme, 2006 - (VIVIPARIDAE)
- Apameaus, Genus Apameaus N. Sivan, J. Heller & D. Van Damme, 2006 (VIVIPARIDAE)
- apanium, Meioceras apanium W.P. Woodring, 1928 † - (CAECIDAE) (FOSSIL)
- Apanthausa, syn of: Genus Rissoa M. Freminville in A.G. Desmarest, 1814 (RISSOIDAE)
- Aparcthyria, syn of: Genus Cucumerunio T. Iredale, 1934 (HYRIIDAE)
- aparima, Murihikua aparima Begg & J. Grant-Mackie, 2003 † - (PLEUROTOMARIIDAE) (FOSSIL)
- Aparimella, Genus Aparimella Campbell, 1994 (HALOBIIDAE) (FOSSIL)
- aparrii, Pterynotus aparrii (D'Attilio & H.W. Bertsch, 1980) - (MURICIDAE)
- aparrii, Pterymarchia aparrii D'Attilio & H.W. Bertsch, 1980 - syn of: Pterynotus aparrii (D'Attilio & H.W. Bertsch, 1980) - (MURICIDAE)
- Apataxia, Subgenus Rissoina (Apataxia) C.F. Laseron, 1956 (RISSOINIDAE)
- Apataxis, syn of: Subgenus Rissoina (Apataxia) C.F. Laseron, 1956 (RISSOINIDAE)
- apate, Catazone apate J. Perner, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- apatelus, Oligolimax apatelus (L. Soós, 1924) - (VITRINIDAE)
- Apatetes, Genus Apatetes G.P.L.K. Gude, 1914 (CAMAENIDAE)
- apatetica, Fragum apatetica W.H. Dall, 1900 † - syn of: Apiocardia simrothi (W.H. Dall, 1900 †) - (CARDIIDAE) (FOSSIL)
- apaturia, Marcia apaturia (A. Römer, 1864) - (VENERIDAE)
- Apaturris, Genus Apaturris T. Iredale, 1917 (BORSONIIDAE)
- apedalensis, Euomphalopterus apedalensis Pitcher, 1939 † - (EUOMPHALIDAE) (FOSSIL)
- Apedogyria, syn of: Genus Brasilia Buckman, 1898 (GRAPHOCERATIDAE) (FOSSIL)
- apefae, Hallaxa apefae Er. Marcus, 1957 - (ACTINOCYCLIDAE)
- apelina, Syndosmya apelina C.A. Récluz, 1843 - syn of: Abra alba (Wood, 1802) - (SEMELIDAE)
- apeliota, Neptunea aurigena apeliota K. Fraussen & Y. Terryn, 2007 - (BUCCINIDAE)
- Apella, syn of: Genus Gyrotoma R.J. Shuttleworth, 1845 (PLEUROCERIDAE)
- apendiculata, Nototeredo apendiculata P.B. Sivickis, 1928 - syn of: Nototeredo edax (C. Hedley, 1895) - (TEREDINIDAE)
- apennina, Kobeltia apennina C. Pollonera, 1889 - syn of: Arion intermedius N.A.J. Normand, 1852 - (ARIONIDAE)
- apennina, Granaria apennina H.C. Küster, 1845 - syn of: Abida illyrica (E.A. Rossmässler, 1837) - (CHONDRINIDAE)
- apennina, Pyrostoma plicatula apennina (C. Gentiluomo, 1868) - (CLAUSILIIDAE)
- apennina, Pomatias apennina W. Kobelt, 1903 - syn of: Pomatias elegans (O.F. Müller, 1774) - (POMATIIDAE)
- apenninica, Pietteia apenninica L.F. Conti & Fischer, 1982 † - (APORRHAIDAE) (FOSSIL)
- apenninica, Ceritella apenninica Fischer & al., 2002 † - (CERITELLIDAE) (FOSSIL)
- apenninica, Pseudolillia apenninica Sassaroli & Venturi, 2005 † - (HILDOCERATIDAE) (FOSSIL)
- apenninica, Adipicola apenninica Danise, Bertolaso & Dominici, 2016 † - (MYTILIDAE) (FOSSIL)
- apenninica, Psilotissotia apenninica Cecca & al., 1998 † - (PULCHELLIIDAE) (FOSSIL)
- apenninica, Sassia apenninica (M. Sassi, 1827 †) - (RANELLIDAE) (FOSSIL)
- apenninica, Archivesica apenninica S. Kiel & M. Taviani, 2017 † - (VESICOMYIDAE) (FOSSIL)
- apenninica nassariformis, Sassia apenninica nassariformis G.B. III Sowerby, 1902 - syn of: Sassia nassariformis (G.B. III Sowerby, 1902) - (RANELLIDAE)
- apenninica nassariformis semitorta, Sassia apenninica nassariformis semitorta J.T. Kuroda & T. Habe, 1961 - syn of: Sassia semitorta J.T. Kuroda & T. Habe, 1961 - (RANELLIDAE)
- apenninicum, Cerithium apenninicum (C. Mayer, 1886 †) - (CERITHIIDAE) (FOSSIL)
- apenninicum dertosulcatum, Cerithium apenninicum dertosulcatum F. Sacco, 1895 † - (CERITHIIDAE) (FOSSIL)
- apenninicus, Conus apenninicus Bronn, 1838 † - (CONIDAE) (FOSSIL)
- Apera, syn of: Genus Chlamydephorus W.G. Binney, 1879 (CHLAMYDEPHORIDAE)
- aperanta, Syrnola aperanta J.C. Melvill, 1906 - (PYRAMIDELLIDAE)
- aperiens, Stenoloron aperiens J. Perner, 1907 † - (GOSSELETINIDAE) (FOSSIL)
- Aperiovula, syn of: Genus Pseudosimnia F.A. Schilder, 1927 (OVULIDAE)
- Aperiploma, Genus Aperiploma Habe, 1952 (PERIPLOMATIDAE) (FOSSIL)
- Aperiploma, syn of: Genus Cochlodesma J.P.Y. Couthouy, 1839 (PERIPLOMATIDAE)
- aperittus, Donax aperittus J.C. Melvill, 1897 - (DONACIDAE)
- Aperostoma, Genus Aperostoma F.H. Troschel, 1847 (NEOCYCLOTIDAE)
- aperta, Tornatellina aperta N.H. Odhner, 1921 - (ACHATINELLIDAE)
- aperta, Tornatellina aperta C.M.F. Ancey - syn of: Elasmias luakahaense H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- aperta, Pupa aperta E.C. Von Martens, 1863 - syn of: Apoecus apertus (E.C. Von Martens, 1863) - (ACTEONIDAE)
- aperta, Turbincola aperta (B. Prashad, 1925) - (AMPULLARIIDAE)
- aperta, Anolacia aperta (G.B. I Sowerby, 1825) - (ANCILLARIIDAE)
- aperta, Ancillaria aperta Vasseur, 1882 † - syn of: Amalda auberi A.L. Chavan, 1965 † - (ANCILLARIIDAE) (FOSSIL)
- aperta, Aegista friedeliana aperta H.A. Pilsbry, 1900 - (BRADYBAENIDAE)
- aperta, Bulla aperta C. Linnaeus, 1767 - syn of: Philine aperta (C. Linnaeus, 1767) - (BULLIDAE)
- aperta, Trochita aperta (D.C. Solander, 1766 †) - (CALYPTRAEIDAE) (FOSSIL)
- aperta, Dreissenomya aperta G.P. Deshayes, 1838 † - syn of: Congeria aperta (G.P. Deshayes, 1838 †) - (CARDIIDA (unassigned)) (FOSSIL)
- aperta, Fulvia aperta (J.G. Bruguière, 1789) - (CARDIIDAE)
- aperta, Discocharopa aperta (O.F. von Möllendorff, 1888) - (CHAROPIDAE)
- aperta, Isabellaria saxicola aperta (H.C. Küster, 1861) - (CLAUSILIIDAE)
- aperta, Bryopa aperta (G.B. I Sowerby, 1823) - (CLAVAGELLIDAE)
- aperta, Littoridina aperta (H. Hass, 1955) - (COCHLIOPIDAE)
- aperta, Latouchella aperta Orlowski, 1968 † - syn of: Dorispira aperta (Orlowski, 1968 †) - (COREOSPIRIDAE) (FOSSIL)
- aperta, Eucrassatella aperta Devjatilova, 1981 † - (CRASSATELLIDAE) (FOSSIL)
- aperta, Cyclochlamys aperta H.H. Dijkstra & P. Maestrati, 2012 - (CYCLOCHLAMYDIDAE)
- aperta, Gibberula aperta T. McCleery, 2008 - (CYSTISCIDAE)
- aperta, Patula aperta O.F. von Möllendorff, 1888 - syn of: Discocharopa aperta (O.F. von Möllendorff, 1888) - (DISCIDAE)
- aperta, Congeria aperta (G.P. Deshayes, 1838 †) - (DREISSENIDAE) (FOSSIL)
- aperta, Geostilba aperta (W.J. Swainson, 1840) - (FERUSSACIIDAE)
- aperta, Pupillaea aperta (G.B. I Sowerby, 1825) - (FISSURELLIDAE)
- aperta, Imisia aperta Š. Brusina, 1870 - syn of: Galeomma turtoni W. Turton, 1825 - (GALEOMMATIDAE)
- aperta, Striatura aperta (H.A. Pilsbry & Y. Hirase, 1904) - (GASTRODONTIDAE)
- aperta, Haminoea aperta W.H. Pease, 1860 - (HAMINOEIDAE)
- aperta, Haminoea aperta H.A. Pilsbry, 1917 - syn of: Haminoea cymbalum (J.R.C. Quoy & J.P. Gaimard, 1832) - (HAMINOEIDAE)
- aperta, Raphistomina aperta (Salter, 1859 †) - (HOLOPEIDAE) (FOSSIL)
- aperta, Hydrobia obtusa aperta W.A. Wenz, 1930 † - (HYDROBIIDAE) (FOSSIL)
- aperta, Recluzia aperta Auct. non S.L. Lovén, 1846 - syn of: Torellia delicata (R.A. Philippi, 1844) - (JANTHINIDAE)
- aperta, Limaria aperta G.B. Sowerby, 1843 - syn of: Limaria hians (J.F. Gmelin, 1792) - (LIMIDAE)
- aperta, Lithoglyphopsis aperta P. Temcharoen, 1971 - syn of: Neotricula aperta (P. Temcharoen, 1971) - (LITHOGLYPHIDAE)
- aperta, Melanopsis aperta J. Gassies, 1863 - syn of: Melanopsis frustulum P.M.A. Morelet, 1857 - (MELANOPSIDAE)
- aperta, Mitra aperta G.B. III Sowerby, 1874 - syn of: Pusia mediomaculatum (G.B. III Sowerby, 1870) - (MITRIDAE)
- aperta, Drupa aperta (H.M.D. de Blainville, 1832) - (MURICIDAE)
- aperta, Natica aperta R.P. Whitfield, 1865 † - (NATICIDAE) (FOSSIL)
- aperta, Natica aperta S.L. Lovén, 1846 - syn of: Bulbus smithii J. Brown in Smith, 1839 - (NATICIDAE)
- aperta, Natica aperta S.L. Lovén, 1847 - syn of: Bulbus smithii J. Brown in Smith, 1839 - (NATICIDAE)
- aperta, Omalogyra aperta E.R. Sykes, 1925 - syn of: Eudaronia aperta (E.R. Sykes, 1925) - (OMALOGYRIDAE)
- aperta, Simnia aperta (G.B. II Sowerby, 1849) - (OVULIDAE)
- aperta, Philine aperta (C. Linnaeus, 1767) - (PHILINIDAE)
- aperta, Martesia aperta G.P. Deshayes, 1824 † - (PHOLADIDAE) (FOSSIL)
- aperta, Physastra aperta (G.B. Sowerby, 1874) - (PLANORBIDAE)
- aperta, Neotricula aperta (P. Temcharoen, 1971) - (POMATIOPSIDAE)
- aperta, Teretia aperta W.H. Dall, 1927 - syn of: Teretiopsis thaumastopsis (P. Dautzenberg & H. Fischer, 1896) - (RAPHITOMIDAE)
- aperta, Rissoa ventricosa aperta F. Nordsieck, 1972 - (RISSOIDAE)
- aperta, Dorispira aperta (Orlowski, 1968 †) - (RUGAECONIDAE) (FOSSIL)
- aperta, Eudaronia aperta (E.R. Sykes, 1925) - (SEGUENZIOIDEA (UNASSIGNED))
- aperta, Sphenoclymenia aperta (G. Richter, 1848 †) - (SPHENOCLYMENIIDAE) (FOSSIL)
- aperta, Triviella aperta (W.J. Swainson, 1822) - (TRIVIIDAE)
- aperta, Vanikoro aperta (P.P. Carpenter, 1864) - (VANIKORIDAE)
- aperta, Paludina aperta H.C. Küster, 1852 - syn of: Lithoglyphus apertus H.C. Küster, 1852 - (VIVIPARIDAE)
- aperta, Wocklumeria sphaeroides aperta Schindewolf, 1937 † - (WOCKLUMERIIDAE) (FOSSIL)
- aperta, Perpolita aperta (H.A. Pilsbry & Y. Hirase, 1904) - (ZONITIDAE)
- aperta ampla, Raphistomina aperta ampla Wilson, 1951 † - (HOLOPEIDAE) (FOSSIL)
- aperta guineensis, Philine aperta guineensis Er. Marcus & Ev. Marcus, 1966 - syn of: Philine aperta (C. Linnaeus, 1767) - (PHILINIDAE)
- aperta guiniensis, Philine aperta guiniensis Er. Marcus & Ev. Marcus, 1966 - syn of: Philine aperta (C. Linnaeus, 1767) - (PHILINIDAE)
- aperta neglecta, Triviella aperta neglecta F.A. Schilder, 1930 - syn of: Triviella neglecta F.A. Schilder, 1930 - (TRIVIIDAE)
- aperta normalis, Natica aperta normalis A.T. von Middendorff, 1851 - syn of: Bulbus normalis (A.T. von Middendorff, 1851) - (NATICIDAE)
- aperta patula, Philine aperta patula J.G. Jeffreys, 1867 - syn of: Philine quadripartita P. Ascanius, 1772 - (PHILINIDAE)
- Apertaxis, Subgenus Coelostemma (Apertaxis) H.A. Pilsbry, 1953 (UROCOPTIDAE)
- apertissima, Spenglerichaena apertissima (G.P. Deshayes, 1855 †) - (GASTROCHAENIDAE) (FOSSIL)
- apertissima, Spengleria apertissima (G.P. Deshayes, 1855 †) - syn of: Spenglerichaena apertissima (G.P. Deshayes, 1855 †) - (GASTROCHAENIDAE) (FOSSIL)
- apertissima, Natica apertissima E.A. Smith, 1906 - (NATICIDAE)
- apertissima, Philine apertissima E.A. Smith, 1902 - (PHILINIDAE)
- apertissima, Philine apertissima L. de Folin, 1893 - syn of: Philine quadripartita P. Ascanius, 1772 - (PHILINIDAE)
- apertum, Elasmias apertum (W.H. Pease, 1864) - (ACHATINELLIDAE)
- apertum, Elasmias apertum H.A. Pilsbry, 1910 - syn of: Elasmias apertum (W.H. Pease, 1864) - (ACHATINELLIDAE)
- apertum, Trigonostoma apertum (A.H.E. Beyrich, 1856 †) - (CANCELLARIIDAE) (FOSSIL)
- apertum, Metaderoceras apertum Hariri & al., 1996 † - (EODEROCERATIDAE) (FOSSIL)
- apertum, Pycnoceras apertum A. Hyatt, 1894 † - (ESTONIOCERATIDAE) (FOSSIL)
- apertum, Graphoceras apertum (Buckman) † - (GRAPHOCERATIDAE) (FOSSIL)
- apertum, Arieticeras apertum Monestier, 1934 † - (HILDOCERATIDAE) (FOSSIL)
- apertum, Hildoceras apertum Gabilly, 1976 † - (HILDOCERATIDAE) (FOSSIL)
- apertum, Alocolytoceras apertum (D. Geyer 1893 †) - (LYTOCERATIDAE) (FOSSIL)
- apertum, Opisthosiphon apertum C. de la Torre & J. Henderson, 1920 - (POMATIIDAE)
- apertum, Poterioceras apertum J.J.F. Whiteaves † - (POTERIOCERATIDAE) (FOSSIL)
- apertum, Punctum apertum H.A. Pilsbry & Y. Hirase, 1904 - syn of: Striatura aperta (H.A. Pilsbry & Y. Hirase, 1904) - (PUNCTIDAE)
- apertum, Raphistoma apertum Salter, 1859 † - (RAPHISTOMATIDAE) (FOSSIL)
- apertum escalerasensis, Opisthosiphon apertum escalerasensis C. de la Torre & J. Henderson, 1920 - syn of: Opisthosiphon apertum escalerense C. de la Torre & J. Henderson, 1920 - (POMATIIDAE)
- apertum escalerense, Opisthosiphon apertum escalerense C. de la Torre & J. Henderson, 1920 - (POMATIIDAE)
- apertura, Diodora apertura G. Montagu, 1803 - syn of: Diodora graeca apertura (G. Montagu, 1803) - (FISSURELLIDAE)
- apertura, Diodora graeca apertura (G. Montagu, 1803) - (FISSURELLIDAE)
- apertura, Patella apertura G. Montagu, 1803 - syn of: Diodora gibberula J.B.P.A. Lamarck, 1822 - (PATELLIDAE)
- apertura, Opisthosiphon apertura C. de la Torre & J. Henderson, 1920 - syn of: Opisthosiphon apertum C. de la Torre & J. Henderson, 1920 - (POMATIIDAE)
- aperturale, Eutritonium aperturale A.E.M. Cossmann & M.A. Peyrot, 1924 † - syn of: Charonia lampas ventricosa (J.P.S. Grateloup, 1833 †) - (RANELLIDAE) (FOSSIL)
- apertus, Naesiotus apertus L. Pfeiffer, 1855 - syn of: Naesiotus orbignyi (L. Pfeiffer, 1846) - (BULIMULIDAE)
- apertus, Bostryx stelzneri apertus M.I. Hylton-Scott, 1948 - (BULIMULIDAE)
- apertus, Apoecus apertus (E.C. Von Martens, 1863) - (CERASTUIDAE)
- apertus, Pseudonapaeus apertus E.C. Von Martens, 1863 - syn of: Apoecus apertus (E.C. Von Martens, 1863) - (ENIDAE)
- apertus, Euphemites apertus (L. Waagen, 1880 †) - (EUPHEMITIDAE) (FOSSIL)
- apertus, Fusus apertus P.P. Carpenter, 1857 - syn of: Pisania bilirata (L.A. Reeve, 1846) - (FASCIOLARIIDAE)
- apertus, Cecilioides apertus W.J. Swainson, 1840 - syn of: Geostilba aperta (W.J. Swainson, 1840) - (FERUSSACIIDAE)
- apertus, Goniatites apertus G. Richter, 1848 † - syn of: Sphenoclymenia aperta (G. Richter, 1848 †) - (GONIATITIDAE) (FOSSIL)
- apertus, Cantareus apertus (I. von Born, 1780) - (HELICIDAE)
- apertus, Durangites apertus Tavera, 1985 † - syn of: Protacanthodiscus andreaei Kilian, 1889 † - (HIMALAYITIDAE) (FOSSIL)
- apertus, Lithoglyphus apertus H.C. Küster, 1852 - (LITHOGLYPHIDAE)
- apertus, Bensaidites apertus (Foord & Crick, 1897 †) - (MAENIOCERATIDAE) (FOSSIL)
- apertus, Synartinskia apertus Leonova 1992 † - (MEDLICOTTIIDAE) (FOSSIL)
- apertus, Gyraulus apertus E.C. Von Martens, 1897 - (PLANORBIDAE)
- apertus, Phaulostephanus apertus Galácz, 2012 † - (STEPHANOCERATIDAE) (FOSSIL)
- apertus, Streptaxis apertus (E.C. Von Martens, 1868) - (STREPTAXIDAE)
- apertus, Discopsis apertus E. Rolán & F. Rubio, 2002 - (TORNIDAE)
- apertus, Frankites apertus (Mojsisovics, 1893 †) - (TRACHYCERATIDAE) (FOSSIL)
- Apex, syn of: Genus Achatinella W.J. Swainson, 1828 (ACHATINELLIDAE)
- apex, Helicodiscus apex (C.B. Adams, 1849) - (HELICODISCIDAE)
- apex fulva, Helix apex fulva G. Dixon, 1789 - syn of: Achatinella apexfulva (G. Dixon, 1789) - (HELICIDAE)
- apexbilirata, Inella apexbilirata E. Rolán & R. Fernández-Garcés, 2008 - (TRIPHORIDAE)
- apexclarus, Dizoniopsis apexclarus E. Rolán, 2007 - (CERITHIOPSIDAE)
- apexcostata, Cerithiopsis apexcostata E. Rolán, J. Espinosa & R. Fernández-Garcés, 2007 - (CERITHIOPSIDAE)
- apexcrassum, Cheirodonta apexcrassum E. Rolán & R. Fernández-Garcés, 1994 - (TRIPHORIDAE)
- apexdemissus, Odostomia apexdemissus A. Peñas, E. Rolán & F. Swinnen, 2014 - (PYRAMIDELLIDAE)
- apexdiversus, Marshallora apexdiversus E. Rolán & H.G. Lee, 2008 - (TRIPHORIDAE)
- apexfortis, Reticulapex apexfortis K.C. Emberton & T.A. Pearce, 2000 - (CHAROPIDAE)
- apexfulva, Achatinella apexfulva (G. Dixon, 1789) - (ACHATINELLIDAE)
- apexfulva, Helix apexfulva G. Dixon, 1789 - syn of: Achatinella apexfulva (G. Dixon, 1789) - (HELICIDAE)
- apexfulva alba, Achatinella apexfulva alba E.R. Sykes, 1900 - (ACHATINELLIDAE)
- apexfulva albipraetexta, Achatinella apexfulva albipraetexta D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva albofasciata, Achatinella apexfulva albofasciata E.A. Smith, 1873 - (ACHATINELLIDAE)
- apexfulva aloha, Achatinella apexfulva aloha H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva apicata, Achatinella apexfulva apicata L. Pfeiffer, 1855 - (ACHATINELLIDAE)
- apexfulva aureola, Achatinella apexfulva aureola D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva bakeri, Achatinella apexfulva bakeri D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva beata, Achatinella apexfulva beata H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva bruneola, Achatinella apexfulva bruneola D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva brunosa, Achatinella apexfulva brunosa D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva buena, Achatinella apexfulva buena D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva cervixnivea, Achatinella apexfulva cervixnivea H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva cestus, Achatinella apexfulva cestus W. Newcomb, 1854 - (ACHATINELLIDAE)
- apexfulva chromatacme, Achatinella apexfulva chromatacme H.A. Pilsbry & C.M. Cooke, 1914 - syn of: Achatinella swiftii chromatacme H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva cinerea, Achatinella apexfulva cinerea E.R. Sykes, 1900 - syn of: Achatinella vittata cinerea E.R. Sykes, 1900 - (ACHATINELLIDAE)
- apexfulva cookei, Achatinella apexfulva cookei D.D. Baldwin, 1895 - syn of: Achatinella turgida cookei D.D. Baldwin, 1895 - (ACHATINELLIDAE)
- apexfulva duplocincta, Achatinella apexfulva duplocincta H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva ewaensis, Achatinella apexfulva ewaensis D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva flavitincta, Achatinella apexfulva flavitincta D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva forbesiana, Achatinella apexfulva forbesiana L. Pfeiffer, 1855 - (ACHATINELLIDAE)
- apexfulva fumositincta, Achatinella apexfulva fumositincta D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva fuscostriata, Achatinella apexfulva fuscostriata D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva glaucopicta, Achatinella apexfulva glaucopicta D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva globosa, Achatinella apexfulva globosa L. Pfeiffer, 1855 - syn of: Achatinella vittata L.A. Reeve, 1850 - (ACHATINELLIDAE)
- apexfulva griseibasis, Achatinella apexfulva griseibasis D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva gulickii, Achatinella apexfulva gulickii E.A. Smith, 1873 - (ACHATINELLIDAE)
- apexfulva hanleyana, Achatinella apexfulva hanleyana L. Pfeiffer, 1856 - (ACHATINELLIDAE)
- apexfulva ihiihiensis, Achatinella apexfulva ihiihiensis D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva inotabilis, Achatinella apexfulva inotabilis E.A. Smith, 1873 - (ACHATINELLIDAE)
- apexfulva irwini, Achatinella apexfulva irwini H.A. Pilsbry & C.M. Cooke, 1914 - syn of: Achatinella leucorraphe irwini H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva kahukuensis, Achatinella apexfulva kahukuensis H.A. Pilsbry & C.M. Cooke, 1914 - syn of: Achatinella valida kahukuensis H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva kawaiiki, Achatinella apexfulva kawaiiki D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva laurani, Achatinella apexfulva laurani D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva lemkei, Achatinella apexfulva lemkei D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva leucorrhaphe, Achatinella apexfulva leucorrhaphe J.T. Gulick, 1873 - (ACHATINELLIDAE)
- apexfulva leucozona, Achatinella apexfulva leucozona J.T. Gulick, 1873 - (ACHATINELLIDAE)
- apexfulva lilacea, Achatinella apexfulva lilacea J.T. Gulick, 1873 - syn of: Achatinella fulgens W. Newcomb, 1853 - (ACHATINELLIDAE)
- apexfulva lineipicta, Achatinella apexfulva lineipicta D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva meadowsi, Achatinella apexfulva meadowsi D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva muricolor, Achatinella apexfulva muricolor D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva napus, Achatinella apexfulva napus L. Pfeiffer, 1855 - (ACHATINELLIDAE)
- apexfulva nigripicta, Achatinella apexfulva nigripicta D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva oioensis, Achatinella apexfulva oioensis D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva oliveri, Achatinella apexfulva oliveri D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva ovum, Achatinella apexfulva ovum L. Pfeiffer, 1857 - syn of: Achatinella turgida ovum L. Pfeiffer, 1857 - (ACHATINELLIDAE)
- apexfulva paalensis, Achatinella apexfulva paalensis D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva parvicolor, Achatinella apexfulva parvicolor D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva paumaluensis, Achatinella apexfulva paumaluensis D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva perplexa, Achatinella apexfulva perplexa H.A. Pilsbry - syn of: Achatinella turgida perplexa H.A. Pilsbry - (ACHATINELLIDAE)
- apexfulva pilsbryi, Achatinella apexfulva pilsbryi D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva poamohoensis, Achatinella apexfulva poamohoensis D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva polymorpha, Achatinella apexfulva polymorpha J.T. Gulick, 1873 - syn of: Achatinella swiftii W. Newcomb - (ACHATINELLIDAE)
- apexfulva punicea, Achatinella apexfulva punicea D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva roseata, Achatinella apexfulva roseata D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva roseipicta, Achatinella apexfulva roseipicta D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva rubidilinea, Achatinella apexfulva rubidilinea D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva rubidipicta, Achatinella apexfulva rubidipicta D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva simulacrum, Achatinella apexfulva simulacrum H.A. Pilsbry & C.M. Cooke, 1914 - syn of: Achatinella turgida simulacrum H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva simulans, Achatinella apexfulva simulans L.A. Reeve, 1850 - syn of: Achatinella vittata simulans L.A. Reeve, 1850 - (ACHATINELLIDAE)
- apexfulva simulator, Achatinella apexfulva simulator H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- apexfulva steeli, Achatinella apexfulva steeli D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva suturafusca, Achatinella apexfulva suturafusca D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva suturalba, Achatinella apexfulva suturalba D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva tuberans, Achatinella apexfulva tuberans J.T. Gulick, 1873 - syn of: Achatinella swiftii W. Newcomb - (ACHATINELLIDAE)
- apexfulva turgida, Achatinella apexfulva turgida W. Newcomb, 1853 - syn of: Achatinella turgida W. Newcomb, 1853 - (ACHATINELLIDAE)
- apexfulva versicolor, Achatinella apexfulva versicolor J.T. Gulick, 1873 - syn of: Achatinella swiftii W. Newcomb - (ACHATINELLIDAE)
- apexfulva vespertina, Achatinella apexfulva vespertina D.D. Baldwin, 1895 - (ACHATINELLIDAE)
- apexfulva virgatifulva, Achatinella apexfulva virgatifulva D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva vittata, Achatinella apexfulva vittata L.A. Reeve, 1850 - syn of: Achatinella vittata L.A. Reeve, 1850 - (ACHATINELLIDAE)
- apexfulva wahiawa, Achatinella apexfulva wahiawa D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexfulva waialaeensis, Achatinella apexfulva waialaeensis D.A. Welch, 1942 - (ACHATINELLIDAE)
- apexlevis, Clathropsis apexlevis Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- apexplanum, Macromphalina apexplanum E. Rolán & F. Rubio, 1998 - (VANIKORIDAE)
- apexroseus, Amaea apexroseus E.F. Garcia, 2003 - (EPITONIIDAE)
- apextruncata, Tomura apextruncata F. Rubio, E. Rolán & R. Fernández-Garcés, 2013 - (CORNIROSTRIDAE)
- Apexvon, syn of: Genus Achatinella W.J. Swainson, 1828 (ACHATINELLIDAE)
- apfelbecki, Montenegrina apfelbecki (R. Sturany, 1907) - (CLAUSILIIDAE)
- apfelbecki, Cattania apfelbecki (R. Sturany, 1901) - (HELICIDAE)
- apfelbecki, Josephinella apfelbecki R. Sturany, 1901 - syn of: Cattania apfelbecki (R. Sturany, 1901) - (HELICIDAE)
- apfelbecki, Sarajana apfelbecki (K. Brancsik, 1888) - (HYDROBIIDAE)
- apfelbecki bindzaensis, Cattania apfelbecki bindzaensis (R. Sturany, 1909) - (HELICIDAE)
- apfelbecki driniana, Sarajana apfelbecki driniana P. Radoman, 1975 - (HYDROBIIDAE)
- apfelbecki travnicensis, Sarajana apfelbecki travnicensis P. Radoman, 1975 - (HYDROBIIDAE)
- apfelbecki wagneri, Montenegrina apfelbecki wagneri M. Szekeres, 2006 - syn of: Montenegrina dofleini wagneri M. Szekeres, 2006 - (CLAUSILIIDAE)
- aphaea, Mytilarca aphaea (J.W. Hall, 1865 †) - (AMBONYCHIIDAE) (FOSSIL)
- aphaea, Ambonychia aphaea J.J.F. Whiteaves, 1905 † - syn of: Mytilarca aphaea (J.W. Hall, 1865 †) - (AMBONYCHIIDAE) (FOSSIL)
- Aphaea, Genus Aphaea Dailey & Popenoe, 1966 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Aphalista, syn of: Genus Otopleura P. Fischer, 1885 (PYRAMIDELLIDAE)
- Aphallarion, syn of: Genus Ariolimax O.A.L. Mφrch, 1859 (ARIOLIMACIDAE)
- aphallica, Aplexa aphallica Y.I. Starobogatov, 1992 - (PHYSIDAE)
- Aphalogona, Subgenus Mesodon (Aphalogona) G.R. Webb, 1954 (POLYGYRIDAE)
- aphamilla, Notocorbula aphamilla (R. Tate, 1885 †) - (CORBULIDAE) (FOSSIL)
- aphanacme, Cystiscus aphanacme (J.R. le B. Tomlin, 1918) - (CYSTISCIDAE)
- Aphanaia, Genus Aphanaia Koninck, 1877 (ATOMODESMATIDAE) (FOSSIL)
- aphanes, Neophysema aphanes D.W. Taylor & E.A. Glover, 2005 - (LUCINIDAE)
- aphanes, Scutellastra aphanes (G.C. Robson, 1986) - (PATELLIDAE)
- aphanes, Patella aphanes G.C. Robson, 1986 - syn of: Scutellastra aphanes (G.C. Robson, 1986) - (PATELLIDAE)
- Aphanistylus, syn of: Genus Cerithidea W.J. Swainson, 1840 (POTAMIDIDAE)
- Aphanites, syn of: Genus Aphantites Ruzhencev & Bogoslovskaya, 1978 (RETICULOCERATIDAE) (FOSSIL)
- Aphanitoma, Genus Aphanitoma L.M.D. Bellardi, 1875 (BORSONIIDAE)
- aphanitoma, Sedilia aphanitoma (W.H. Dall, 1892 †) - (HORAICLAVIDAE) (FOSSIL)
- Aphanoconia, Subgenus Pleuropoma (Aphanoconia) A. Wagner, 1905 (HELICINIDAE)
- Aphanoptyxis, Genus Aphanoptyxis Cossmann, 1896 (OPISTHOBRANCHIA (UNASSIGNED)) (FOSSIL)
- aphanospira, Plesiocystiscus aphanospira (J.R. le B. Tomlin, 1913) - (CYSTISCIDAE)
- aphanospira, Granulina aphanospira J.R. le B. Tomlin, 1913 - syn of: Plesiocystiscus aphanospira (J.R. le B. Tomlin, 1913) - (MARGINELLIDAE)
- aphanospira, Marginella aphanospira J.R. le B. Tomlin, 1913 - syn of: Plesiocystiscus aphanospira (J.R. le B. Tomlin, 1913) - (MARGINELLIDAE)
- Aphanotaenia, Genus Aphanotaenia Credner, 1863 (CYLINDROBULLINIDAE) (FOSSIL)
- Aphanotrochus, syn of: Genus Priotrochus P. Fischer in L.C. Kiener & P. Fischer, 1880 (TROCHIDAE)
- aphanotylopsis, Valvata aphanotylopsis Š. Brusina, 1902 † - (VALVATIDAE) (FOSSIL)
- Aphanotylus, Subgenus Valvata (Aphanotylus) Brusina, 1894 (VALVATIDAE) (FOSSIL)
- Aphanotylus, syn of: Genus Valvata O.F. Mόller, 1774 (VALVATIDAE)
- Aphantites, Genus Aphantites Ruzhencev & Bogoslovskaya, 1978 (RETICULOCERATIDAE) (FOSSIL)
- Aphaostracon, Genus Aphaostracon F.G. Thompson, 1968 (COCHLIOPIDAE)
- aphea, Mytilarca aphea J.W. Hall, 1865 † - syn of: Mytilarca aphaea (J.W. Hall, 1865 †) - (AMBONYCHIIDAE) (FOSSIL)
- Aphelaeceras, Genus Aphelaeceras Hyatt, 1884 (TRIGONOCERATIDAE) (FOSSIL)
- Aphelakardia, Genus Aphelakardia Hoare , 1990 (CONOCARDIIDAE) (FOSSIL)
- Apheleceras, syn of: Genus Aphelaeceras Hyatt, 1884 (TRIGONOCERATIDAE) (FOSSIL)
- apheles, Cerithium apheles J.E. Tenison-Woods, 1879 † - (CERITHIIDAE) (FOSSIL)
- apheles, Eulima apheles J.E. Tenison-Woods, 1879 - syn of: Melanella augur (G.F. Angas, 1865) - (EULIMIDAE)
- apheles, Melanella apheles J.E. Tenison-Woods, 1879 - syn of: Melanella augur (G.F. Angas, 1865) - (EULIMIDAE)
- apheles, Eumitra apheles P. Lozouet, 1991 - (MITRIDAE)
- apheles, Oxymelania apheles F.G. Thompson, 1967 - (PACHYCHILIDAE)
- apheles, Plocamopherus apheles (K.H. Barnard, 1927) - (POLYCERIDAE)
- apheles, Leiosyrinx apheles P. Bouchet & A.V. Sysoev, 2001 - (RAPHITOMIDAE)
- apheles, Zygomelon apheles J.D. Stilwell & al., 2004 † - (VOLUTIDAE) (FOSSIL)
- aphelium, Calliostoma aphelium W.H. Dall, 1892 † - (CALLIOSTOMATIDAE) (FOSSIL)
- Aphelodoris, Genus Aphelodoris L.S.R. Bergh, 1879 (DORIDIDAE)
- aphelus, Latisipho aphelus (W.H. Dall, 1889) - (BUCCINIDAE)
- aphelus, Irdanites aphelus (Ruan, 1981 †) - (TEICHERTICERATIDAE) (FOSSIL)
- Aphera, Genus Aphera H. Adams & A. Adams, 1854 (CANCELLARIIDAE)
- Aphetoceras, Genus Aphetoceras Hyatt, 1894 (ESTONIOCERATIDAE) (FOSSIL)
- apheusi, Centrotarphyceras apheusi Ulrich & al., 1942 † - (TARPHYCERATIDAE) (FOSSIL)
- Aphorrais, syn of: Genus Aporrhais A. da Costa, 1778 (APORRHAIDAE)
- Aphractus, Genus Aphractus Shimanskiy, 1967 (RUTOCERATIDAE) (FOSSIL)
- Aphragmites, Genus Aphragmites Barrande, 1865 (ASCOCERATIDAE) (FOSSIL)
- aphrodina, Eucrassatella aphrodina (Tenison Woods, 1876 †) - (CRASSATELLIDAE) (FOSSIL)
- aphrodina, Mactra aphrodina L.A. Reeve, 1854 - (MACTRIDAE)
- Aphrodina, Genus Aphrodina Conrad, 1869 (VENERIDAE) (FOSSIL)
- aphrodina, Katelysia scalarina aphrodina (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- aphrodinoides, Venus aphrodinoides J.B.P.A. Lamarck, 1818 - syn of: Katelysia scalarina (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- Aphrodita, syn of: Genus Serripes A. Gould, 1841 (CARDIIDAE)
- aphrodita, Limatula aphrodita C.E. Boone, 1928 - (LIMIDAE)
- aphrodite, Crystallopsis aphrodite (L. Pfeiffer, 1859) - (CAMAENIDAE)
- aphrodite, Aphera aphrodite B.M. Landau & al., 2012 † - (CANCELLARIIDAE) (FOSSIL)
- Aphrodite, syn of: Genus Serripes A. Gould, 1841 (CARDIIDAE)
- aphrodite, Albinaria hippolyti aphrodite (O. Böttger, 1883) - (CLAUSILIIDAE)
- aphrodite, Conasprella aphrodite (E.J. Petuch, 1979) - (CONIDAE)
- aphrodite, Erosaria aphrodite S.T. Rous, 1905 - syn of: Erosaria helvola (C. Linnaeus, 1758) - (CYPRAEIDAE)
- aphrodite, Lozekia transsylvanica aphrodite (C.A. Westerlund, 1876) - (HYGROMIIDAE)
- aphrodite, Semele aphrodite G.F. Angas, 1879 - syn of: Semele cordiformis (H.S. Holten, 1802) - (SEMELIDAE)
- aphrodite, Callipara aphrodite (I.P. Bondarev, 1999) - (VOLUTIDAE)
- aphrodite, Lyria aphrodite I.P. Bondarev, 1999 - syn of: Callipara aphrodite (I.P. Bondarev, 1999) - (VOLUTIDAE)
- aphrodites, Chloraea aphrodites L. Pfeiffer, 1859 - (BRADYBAENIDAE)
- Aphroditha, syn of: Genus Serripes A. Gould, 1841 (CARDIIDAE)
- Aphrodithe, syn of: Genus Serripes A. Gould, 1841 (CARDIIDAE)
- Aphrodoctopus, syn of: Genus Eledone W.E. Leach, 1817 (OCTOPODIDAE)
- Aphrodora, Subgenus Callocardia (Aphrodora) A.J. Jukes-Browne, 1914 (VENERIDAE)
- aphrogenia, Tritonoharpa aphrogenia H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Tritonoharpa siphonata (L.A. Reeve, 1844) - (CANCELLARIIDAE)
- aphrogenia, Colubraria aphrogenia H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Tritonoharpa siphonata (L.A. Reeve, 1844) - (COLUBRARIIDAE)
- aphthaegera, Columbella aphthaegera R.P. Lesson, 1842 - (COLUMBELLIDAE)
- Aphyctoceras, Genus Aphyctoceras Barrande, 1865 (ACLEISTOCERATIDAE) (FOSSIL)
- Aphyllites, syn of: Genus Gyroceratites Meyer , 1831 (MIMOCERATIDAE) (FOSSIL)
- aphyllitiforme, Protornoceras aphyllitiforme Dybczynski, 1913 † - syn of: Protornoceras polonicum Dybczynski, 1913 † - (KIRSOCERATIDAE) (FOSSIL)
- aphyodes, Acteon aphyodes Á. Valdés, 2008 - (ACTEONIDAE)
- apia, Trochomorpha apia (J.B. Hombron & C.H. Jacquinot, 1852) - (TROCHOMORPHIDAE)
- apiae, Cyclostoma apiae C.A. Récluz - syn of: Ostodes plicatus (A.A. Gould, 1847) - (POMATIIDAE)
- apiapiensis, Spondylus apiapiensis C. Beets, 1987 † - (SPONDYLIDAE) (FOSSIL)
- apiaria, Tectus apiaria G. Perry, 1810 - syn of: Tectus fenestratus (J.F. Gmelin, 1791) - (TEGULIDAE)
- apiarium, Glyptotomaria apiarium Knight, 1945 † - (GOSSELETINIDAE) (FOSSIL)
- apiata, Septaria apiata (E.J. Le Guillou in C.A. Récluz, 1841) - (NERITIDAE)
- apicale, Poterioceras apicale Foord, 1896 † - (POTERIOCERATIDAE) (FOSSIL)
- Apicalia, Genus Apicalia A. Adams, 1862 (EULIMIDAE)
- apicalis, Ambonychia apicalis Ulrich, 1895 † - syn of: Ambonychia acutirostris Ulrich, 1895 † - (AMBONYCHIIDAE) (FOSSIL)
- apicalis, Turrancilla apicalis (T. Ninomiya, 1988) - (ANCILLARIIDAE)
- apicalis, Ancillina apicalis (E.A. Kay, 1979) - (ANCILLARIIDAE)
- apicalis, Albinaria anatolica apicalis (O. Böttger, 1883) - (CLAUSILIIDAE)
- apicalis, Dendrodoris apicalis L.S.R. Bergh, 1890 - (DENDRODORIDIDAE)
- apicalis, Amberleya apicalis Moore † - (EUCYCLIDAE) (FOSSIL)
- apicalis, Mourlonia apicalis (J.W. Hall, 1876 †) - (GOSSELETINIDAE) (FOSSIL)
- apicalis, Helix apicalis A.E. Reuss, 1861 † - syn of: Leucochroopsis apicalis (A.E. Reuss, 1861 †) - (HELICIDAE) (FOSSIL)
- apicalis, Leucochroopsis apicalis (A.E. Reuss, 1861 †) - (HYGROMIIDAE) (FOSSIL)
- apicalis, Inoceramus apicalis Woods, 1912 † - (INOCERAMIDAE) (FOSSIL)
- apicalis, Proximitra apicalis (F.W. Hutton, 1873 †) - (MITRIDAE) (FOSSIL)
- apicalis, Cryptochiton stelleri apicalis H.A. Pilsbry, 1893 - (MOPALIIDAE)
- apicalis, Olivella apicalis E.A. Kay, 1979 - syn of: Ancillina apicalis (E.A. Kay, 1979) - (OLIVELLIDAE)
- apicalis, Pileolus apicalis Buvignier, 1852 † - syn of: Pileolus radiatus A.V.M.D. D'Orbigny, 1850 † - (PILEOLIDAE) (FOSSIL)
- apicalis, Kermia apicalis (R.P. Montrouzier, 1861) - (RAPHITOMIDAE)
- apicalis, Succinea apicalis C.M.F. Ancey, 1904 - (SUCCINEIDAE)
- apicalis, Trochus apicalis Moore † - (TROCHIDAE) (FOSSIL)
- apicalis, Pleurotoma apicalis R.P. Montrouzier in S.M. Souverbie, 1861 - syn of: Kermia tessellata (R.B. Hinds, 1843) - (TURRIDAE)
- apicalis, Turritella apicalis A. Heilprin, 1887 † - (TURRITELLIDAE) (FOSSIL)
- apicalis, Diplodonta apicalis R.A. Philippi, 1836 - syn of: Diplodonta trigona (A. Scacchi, 1835) - (UNGULINIDAE)
- apicalis, Chione apicalis J.E. Gray, 1838 - syn of: Callista kingii (J.E. Gray in P.P. King, 1827) - (VENERIDAE)
- apicalis, Periglypta apicalis R.A. Philippi, 1836 - syn of: Gouldia minima (G. Montagu, 1803) - (VENERIDAE)
- apicalis rufula, Pleurotoma apicalis rufula R.P.J. Hervier, 1897 - syn of: Kermia tessellata (R.B. Hinds, 1843) - (TURRIDAE)
- Apicaria, Genus Apicaria Kutassy, 1937 (PSEUDOTRITONIIDAE) (FOSSIL)
- apicarinata, Aoteadrillia apicarinata (P. Marshall & R. Murdoch, 1923 †) - (HORAICLAVIDAE) (FOSSIL)
- apicata, Achatinella apexfulva apicata L. Pfeiffer, 1855 - (ACHATINELLIDAE)
- apicata, Euplecta apicata W.T. Blanford - (ARIOPHANTIDAE)
- apicata, Naninia apicata O.F. von Möllendorff, 1895 - (ARIOPHANTIDAE)
- apicata, Mitrella apicata (E.A. Smith, 1899) - (COLUMBELLIDAE)
- apicata, Sinoennea apicata W.S.S. Van Benthem-Jutting, 1961 - (DIAPHERIDAE)
- apicata, Crassispira apicata (L.A. Reeve, 1845) - (PSEUDOMELATOMIDAE)
- apicata, Crassiclava apicata L.A. Reeve, 1845 - syn of: Crassispira apicata (L.A. Reeve, 1845) - (PSEUDOMELATOMIDAE)
- apicata, Ringicula apicata G. Nevill, 1872 - (RINGICULIDAE)
- apicata, Pleurotoma apicata L.A. Reeve, 1845 - syn of: Crassispira apicata (L.A. Reeve, 1845) - (TURRIDAE)
- apicata alba, Achatinella apicata alba E.R. Sykes, 1900 - syn of: Achatinella apexfulva alba E.R. Sykes, 1900 - (ACHATINELLIDAE)
- apicatum, Cerithium apicatum K.E.I. von Eichwald, 1868 † - syn of: Plicacerithium apicatum (K.E.I. von Eichwald, 1868 †) - (CERITHIIDAE) (FOSSIL)
- apicatum, Cyclonema apicatum Lindström, 1884 † - (PLATYCERATIDAE) (FOSSIL)
- apicatum, Plicacerithium apicatum (K.E.I. von Eichwald, 1868 †) - (PROCERITHIIDAE) (FOSSIL)
- apicatus, Doxander vittatus apicatus (L.M. Man in't Veld & J.S. Visser, 1993) - (STROMBIDAE)
- apicellatus, Unio apicellatus P.M. Heude, 1883 - syn of: Ptychorhynchus murinum (P.M. Heude, 1883) - (UNIONIDAE)
- apiceproducta, Fossacypraea apiceproducta (A.E.M. Cossmann & M.A. Peyrot, 1923 †) - (CYPRAEIDAE) (FOSSIL)
- apicepunctatus, Drymaeus apicepunctatus H.B. Preston, 1914 - (BULIMULIDAE)
- apicialis, Pleurotomaria apicialis J.W. Hall, 1876 † - (PLEUROTOMARIIDAE) (FOSSIL)
- apicialis, Sportella apicialis (G.P. Deshayes, 1857 †) - (SPORTELLIDAE) (FOSSIL)
- apicibulbus, Antimitrella apicibulbus (J.R. le B. Tomlin, 1920) - (COLUMBELLIDAE)
- apicibulbus, Columbella apicibulbus J.R. le B. Tomlin, 1920 - syn of: Antimitrella apicibulbus (J.R. le B. Tomlin, 1920) - (COLUMBELLIDAE)
- apiciconus, Belemnites apiciconus H.M.D. de Blainville, 1827 † - syn of: Belemnopsis apiciconus (H.M.D. de Blainville, 1827 †) - (BELEMNITELLIDAE) (FOSSIL)
- apiciconus, Belemnopsis apiciconus (H.M.D. de Blainville, 1827 †) - (BELEMNOPSEIDAE) (FOSSIL)
- apicicosta, Cerithiopsis apicicosta W.L. May, 1920 - (CERITHIOPSIDAE)
- apicicostata, Socienna apicicostata (W.L. May, 1919) - (CERITHIOPSIDAE)
- apicicurvatus, Passaloteuthis apicicurvatus H.M.D. de Blainville, 1827 † - (PASSALOTEUTHIDIDAE) (FOSSIL)
- apicifulva, Peracle diversa apicifulva J. Meisenheimer, 1906 - (PERACLIDAE)
- apicifusca, Tiberia apicifusca J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998 - (PYRAMIDELLIDAE)
- apiciglobosus, Pyrgiscus apiciglobosus E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- apicilirata, Sirius apicilirata (R. Tate, 1890 †) - (CAPULIDAE) (FOSSIL)
- apicilirata, Rissoia apicilirata R. Tate & W.L. May, 1900 - syn of: Onoba australiae (G.R. von Frauenfeld, 1867) - (RISSOIDAE)
- apicina, Acmaea apicina W.H. Dall, 1879 - syn of: Erginus apicinus (W.H. Dall, 1879) - (ACMAEIDAE)
- apicina, Acteocina apicina (A.A. Gould, 1859) - (ACTEOCINIDAE)
- apicina, Cerithiopsis apicina W.H. Dall, 1927 - (CERITHIOPSIDAE)
- apicina, Epitonium apicina A.E. Verrill, 1884 - syn of: Epitonium frielei (W.H. Dall, 1889) - (EPITONIIDAE)
- apicina, Fasciolaria apicina W.H. Dall, 1890 † - (FASCIOLARIIDAE) (FOSSIL)
- apicina, Xerotricha apicina (J.B.P.A. Lamarck, 1822) - (HYGROMIIDAE)
- apicina, Echinolittorina apicina (K.T. Menke, 1851) - (LITTORINIDAE)
- apicina, Nodilittorina apicina K.T. Menke, 1851 - syn of: Echinolittorina apicina (K.T. Menke, 1851) - (LITTORINIDAE)
- apicina, Stagnicola apicina I. Lea, 1838 - (LYMNAEIDAE)
- apicina, Mactra apicina L.A. Reeve, 1854 - syn of: Mactra aphrodina L.A. Reeve, 1854 - (MACTRIDAE)
- apicina, Paramendax apicina (A.W.B. Powell, 1937) - (NEWTONIELLIDAE)
- apicina, Retusa apicina A.A. Gould, 1859 - syn of: Acteocina apicina (A.A. Gould, 1859) - (RETUSIDAE)
- apicina, Volvulella apicina R.A. Philippi † - (RHIZORIDAE) (FOSSIL)
- apicina, Phosinella apicina (C.F. Laseron, 1956) - (RISSOINIDAE)
- apicina, Terebra apicina G.P. Deshayes, 1859 - syn of: Impages bacillus (G.P. Deshayes, 1859) - (TEREBRIDAE)
- apicina, Hastula apicina G.P. Deshayes, 1859 - syn of: Impages bacillus (G.P. Deshayes, 1859) - (TEREBRIDAE)
- apicina, Triphora apicina A.W.B. Powell, 1937 - syn of: Paramendax apicina (A.W.B. Powell, 1937) - (TRIPHORIDAE)
- apicina, Parminolia apicina (A.A. Gould, 1862) - (TROCHIDAE)
- apicina, Monilea apicina A.A. Gould, 1861 - syn of: Parminolia apicina (A.A. Gould, 1862) - (TROCHIDAE)
- apicinum, Calliostoma apicinum W.H. Dall, 1881 - (CALLIOSTOMATIDAE)
- apicinum, Laevicardium apicinum P.P. Carpenter, 1864 - syn of: Laevicardium substriatum elenensis (G.B. II Sowerby, 1840) - (CARDIIDAE)
- apicinum, Prunum apicinum (K.T. Menke, 1828) - (MARGINELLIDAE)
- apicinum holboxiensis, Prunum apicinum holboxiensis K.T. Menke, 1828 - syn of: Prunum carneum holboxiensis (K.T. Menke, 1828) - (MARGINELLIDAE)
- apicinus, Erginus apicinus (W.H. Dall, 1879) - (ACMAEIDAE)
- apicinus, Phasianotrochus apicinus (K.T. Menke, 1843) - (TROCHIDAE)
- apicinus, Unio apicinus I. Lea, 1857 - syn of: Villosa lienosa (T.A. Conrad, 1834) - (UNIONIDAE)
- apicisbelli, Cima apicisbelli E. Rolán, 2003 - (CIMIDAE)
- apicitincta, Impages apicitincta (G.B. III Sowerby, 1900) - (TEREBRIDAE)
- apicitincta, Terebra apicitincta G.B. III Sowerby, 1900 - syn of: Impages apicitincta (G.B. III Sowerby, 1900) - (TEREBRIDAE)
- apicitincta, Hastula apicitincta G.B. III Sowerby, 1900 - syn of: Impages apicitincta (G.B. III Sowerby, 1900) - (TEREBRIDAE)
- apicitinctum, Vexillum apicitinctum (J.C. Verco, 1896) - (COSTELLARIIDAE)
- apicitinctum, Costellaria apicitinctum J.C. Verco, 1896 - syn of: Vexillum apicitinctum (J.C. Verco, 1896) - (COSTELLARIIDAE)
- apicodenticulata, Ithycythara apicodenticulata E. Robba, S.I. Di Geronimo, N. Chaimanee & al., 2007 - (MANGELIIDAE)
- apicofusca, Batheulima apicofusca J.G. Jeffreys, 1884 - syn of: Batheulima fuscoapicata (J.G. Jeffreys, 1884) - (EULIMIDAE)
- apicostata, Atorcula apicostata A. Nützel, 1998 † - (PROTORCULIDAE) (FOSSIL)
- apicula, Melanopsis bleicheri apicula P.M. Pallary, 1901 † - (MELANOPSIDAE) (FOSSIL)
- Apicula, syn of: Genus Turritella J.B.P.A. Lamarck, 1799 (TURRITELLIDAE)
- Apicularia, syn of: Genus Rissoa M. Freminville in A.G. Desmarest, 1814 (RISSOIDAE)
- apiculata, Acteocina apiculata (R. Tate, 1879) - (ACTEOCINIDAE)
- apiculata, Chaetopleura apiculata (T. Say, 1830) - (CHAETOPLEURIDAE)
- apiculata, Sclerodoris apiculata (J. Alder & A. Hancock, 1864) - (DISCODORIDIDAE)
- apiculata, Doto apiculata N.H. Odhner, 1936 - (DOTIDAE)
- apiculata, Endodonta apiculata C.M.F. Ancey, 1889 - (ENDODONTIDAE)
- apiculata, Melanopsis graellsii apiculata P.M. Pallary, 1924 - (MELANOPSIDAE)
- apiculata, Muricopsis apiculata P. Dautzenberg, 1917 - syn of: Ocinebrina edwardsi (B.C.M. Payraudeau, 1826) - (MURICIDAE)
- apiculata, Nuculana apiculata R. Tate, 1886 † - syn of: Nuculana chapmani Finlay, 1924 † - (NUCULANIDAE) (FOSSIL)
- apiculata, Bulinus apiculata P.M.A. Morelet, 1868 - syn of: Pyrgophysa forskalii (C.G. Ehrenberg, 1831) - (PLANORBIDAE)
- apiculata, Hemilienardia apiculata (R.P. Montrouzier, 1864) - (RAPHITOMIDAE)
- apiculata, Retusa apiculata R. Tate, 1879 - syn of: Acteocina apiculata (R. Tate, 1879) - (RETUSIDAE)
- apiculata, Rissoa apiculata F. Danilo & G.B. Sandri, 1856 - syn of: Rissoa similis A. Scacchi, 1836 - (RISSOIDAE)
- apiculata, Rissoa apiculata F. Nordsieck, 1972 - syn of: Rissoa janusi apiculata (F. Nordsieck, 1972) - (RISSOIDAE)
- apiculata, Rissoa janusi apiculata (F. Nordsieck, 1972) - (RISSOIDAE)
- apiculata, Pleurotoma apiculata R.P. Montrouzier, 1864 - syn of: Hemilienardia apiculata (R.P. Montrouzier, 1864) - (TURRIDAE)
- apiculata, Quadrula apiculata T. Say, 1829 - (UNIONIDAE)
- apiculata albostrigata, Hemilienardia apiculata albostrigata (W. Baird, 1873) - (RAPHITOMIDAE)
- apiculata minor, Hemilienardia apiculata minor (G. Nevill & H. Nevill, 1875) - (RAPHITOMIDAE)
- apiculata strigata, Hemilienardia apiculata strigata (W. Baird, 1873) - (RAPHITOMIDAE)
- apiculatum, Epitonium apiculatum (W.H. Dall, 1889) - (EPITONIIDAE)
- apiculatum, Epitonium apiculatum W.H. Dall, 1917 non W.H. Dall, 1889 - syn of: Epitonium hindsii (P.P. Carpenter, 1856) - (EPITONIIDAE)
- apiculatum, Scalenostoma apiculatum S.M. Souverbie, 1875 - syn of: Scalenostoma carinatum G.P. Deshayes, 1863 - (EULIMIDAE)
- apiculatum, Pisidium apiculatum V. Sterki, 1922 - syn of: Pisidium subtruncatum A.W. Malm, 1855 - (SPHAERIIDAE)
- apiculatum, Neostlingoceras apiculatum Cobban, Hook & J. Kennedy, 1989 † - (TURRILITIDAE) (FOSSIL)
- apiculatus, Bulimus apiculatus J.E. Gray, 1834 - syn of: Mesembrinus elongatus (J.F. Bolten, 1798) - (BULIMULIDAE)
- apiculatus, Chaetopleura apiculatus T. Say in T.A. Conrad, 1834 - syn of: Chaetopleura apiculata (T. Say, 1830) - (CHAETOPLEURIDAE)
- apiculatus, Diadeloplax apiculatus Hanger & al., 2000 † - (STROBILEPIDAE) (FOSSIL)
- apiculatus latior, Stilifer apiculatus latior H.A. Pilsbry, 1917 - syn of: Scalenostoma carinatum G.P. Deshayes, 1863 - (EULIMIDAE)
- Apiculum, syn of: Genus Gibbula Risso, 1826 (TROCHIDAE) (FOSSIL)
- apiculus, Trochoidea apiculus L. Pfeiffer, 1848 - syn of: Trochoidea cumiae P. Calcara, 1847 - (HYGROMIIDAE)
- apiculus, Microlinices apiculus L.R.L. Simone, 2014 - (NATICIDAE)
- apieostriata, Parvedentulina apieostriata K.C. Emberton & T.A. Pearce, 2000 - (STREPTAXIDAE)
- apimela, Cancellaria apimela W.P. Woodring, 1970 † - (CANCELLARIIDAE) (FOSSIL)
- apinnatus, Himavatites apinnatus Tozer, 1994 † - (TIBETITIDAE) (FOSSIL)
- apio, Oreohomorus apio T. Wronski & B. Hausdorf, 2009 - (SUBULINIDAE)
- Apiocardia, Genus Apiocardia A.A. Olsson, 1961 (CARDIIDAE)
- Apioceras, Genus Apioceras Fahrenkohl, 1844 (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- Apiocypraea, Genus Apiocypraea Schilder, 1927 (EOCYPRAEIDAE) (FOSSIL)
- apiosa, Stenothyra gelasinosa apiosa R.E. Golding, 2014 - (STENOTHYRIDAE)
- apiostoma, Clausilia apiostoma J.R. Bourguignat, 1877 - syn of: Clausilia bidentata (H. Strøm, 1765) - (CLAUSILIIDAE)
- apiostoma, Dautzenbergiella duella apiostoma (O.F. von Möllendorff, 1901) - (CLAUSILIIDAE)
- apiostoma, Epirobia apiostoma (L. Pfeiffer, 1856) - (EPIROBIIDAE)
- Apiotoma, Genus Apiotoma A.E.M. Cossmann, 1889 (COCHLESPIRIDAE)
- Apiotrigonia, Genus Apiotrigonia Cox, 1952 (MEGATRIGONIIDAE) (FOSSIL)
- apipagoda, Xymenella apipagoda (W.F. Ponder, 1972 †) - (MURICIDAE) (FOSSIL)
- apis, Pachychilus apis (I. Lea, 1850) - (PACHYCHILIDAE)
- Apisania, syn of: Genus Pisania Ant. Bivona-Bernardi, 1832 (BUCCINIDAE)
- Apispiralia, Genus Apispiralia C.F. Laseron, 1954 (MANGELIIDAE)
- apita, Turritella apita A. De Gregorio, 1890 † - (TURRITELLIDAE) (FOSSIL)
- apitoa, Carinodrillia apitoa L.F. Corea, 1934 - (PSEUDOMELATOMIDAE)
- Apitua, Genus Apitua C.F. Laseron, 1954 (MANGELIIDAE)
- apium, Conus apium W.P. Woodring, 1928 - syn of: Pyruconus patricius (R.B. Hinds, 1843) - (CONIDAE)
- Apixystus, syn of: Genus Gemixystus T. Iredale, 1929 (MURICIDAE)
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