- ackermanni, Ammonitoceras ackermanni Krenkel, 1910 † - (ANCYLOCERATIDAE) (FOSSIL)
- acklini, Paracenoceras acklini Jeannet, 1951 † - (PARACENOCERATIDAE) (FOSSIL)
- acklinsense, Chondropoma glabratum acklinsense P. Bartsch, 1946 - (POMATIIDAE)
- acklinsensis, Opisthosiphon acklinsensis P. Bartsch, 1946 - (POMATIIDAE)
- acleiformis, Dolicholatirus acleiformis G.B. I Sowerby, 1830 - syn of: Dolicholatirus lancea (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- Acleistoceras, Genus Acleistoceras Hyatt, 1884 † (ACLEISTOCERATIDAE) (FOSSIL)
- ACLEISTOCERATIDAE Flower, 1950 † - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ONCOCERIDA [Order]) (FOSSIL)
- acleonta, Metanachis acleonta P.L. Duclos, 1835 - syn of: Metanachis jaspidea (G.B. II Sowerby, 1844) - (COLUMBELLIDAE)
- Aclesia, syn of: Genus Aplysia C. Linnaeus, 1767 (APLYSIIDAE)
- Aclesia, syn of: Genus Bursatella H.M.D. De Blainville, 1817 (APLYSIIDAE)
- Acliceratia, Genus Acliceratia W.F. Ponder, 1984 (IRAVADIIDAE)
- ACLIDIDAE G.O. Sars, 1878 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-VANIKOROIDEA [Superfamily])
- aclimus, Nassarius aclimus J.C. Melvill, 1918 - syn of: Nassarius delicatus (A. Adams, 1852) - (NASSARIIDAE)
- aclines, Euchondria aclines Liang, 1980 † - (EUCHONDRIIDAE) (FOSSIL)
- aclinica, Placunanomia aclinica H.I. Tucker & D. Wilson, 1933 † - (ANOMIIDAE) (FOSSIL)
- aclinica, Tritonoharpa aclinica (Tucker & R.B. Wilson, 1932 †) - (CANCELLARIIDAE) (FOSSIL)
- aclinica, Colubraria aclinica H.I. Tucker & D. Wilson, 1933 - syn of: Tritonoharpa lanceolata (K.T. Menke, 1828) - (COLUBRARIIDAE)
- aclinica, Cymatosyrinx aclinica Tucker & Wilson, 1933 † - (DRILLIIDAE) (FOSSIL)
- aclinica, Terebra aclinica A.A. Olsson, 1967 † - (TEREBRIDAE) (FOSSIL)
- aclinisa, Trigonia aclinisa Dickan, 1990 † - (TRIGONIIDAE) (FOSSIL)
- Aclis, Genus Aclis S.L. Lovén, 1846 (ACLIDIDAE)
- aclis, Eulima aclis A. Adams, 1851 - (EULIMIDAE)
- aclis, Hyolithes aclis J.W. Hall, 1879 † - (HYOLITHIDAE) (FOSSIL)
- aclis, Rissosyrnola aclis (A. Adams, 1853) - (PYRAMIDELLIDAE)
- Aclisina, Genus Aclisina de Koninck, 1881 † (MURCHISONIIDAE) (FOSSIL)
- Aclistothyra, Genus Aclistothyra J.T.L. McGinty, 1955 (GALEOMMATIDAE)
- acloneta, Drillia acloneta W.H. Dall, 1889 - syn of: Inodrillia acloneta (W.H. Dall, 1889) - (DRILLIIDAE)
- acloneta, Inodrillia acloneta (W.H. Dall, 1889) - (HORAICLAVIDAE)
- acloneta, Mangelia acloneta W.H. Dall, 1889 - syn of: Inodrillia acloneta (W.H. Dall, 1889) - (MANGELIIDAE)
- acloneta, Moerella acloneta W.H. Dall, 1900 † - (TELLINIDAE) (FOSSIL)
- Aclophora, Genus Aclophora C.F. Laseron, 1958 (TRIPHORIDAE)
- Aclophoropsis, Genus Aclophoropsis B.A. Marshall, 1983 (TRIPHORIDAE)
- aclopus, Planorbarius aclopus J.R. Bourguignat, 1856 - syn of: Planorbarius dufourii (M.de la Paz Graells, 1846) - (PLANORBIDAE)
- aclyformis, Syrnola aclyformis J. Marwick, 1929 † - (PYRAMIDELLIDAE) (FOSSIL)
- Aclyvolva, Genus Aclyvolva J. Cate, 1973 (OVULIDAE)
- Acmaea, Genus Acmaea J.F. von Eschscholtz, 1833 (ACMAEIDAE)
- acmaeformis, Goniochilus acmaeformis (P.S. Pavlovic, 1927 †) - (HYDROBIIDAE) (FOSSIL)
- ACMAEIDAE Forbes, 1850 - Family (GASTROPODA-PATELLOGASTROPODA [Subclass]-LOTTIOIDEA [Superfamily])
- acmaeoides, Siphonaria acmaeoides H.A. Pilsbry, 1894 - (SIPHONARIIDAE)
- acmaeoides paulae, Siphonaria acmaeoides paulae J.M.J. Christiaens, 1980 - (SIPHONARIIDAE)
- Acmaturris, Genus Acmaturris W.P. Woodring, 1928 (MANGELIIDAE)
- Acme, syn of: Genus Acicula J.D.W. Hartmann, 1821 (ACICULIDAE)
- acme, Bostryx acme F. Haas, 1955 - (BULIMULIDAE)
- acme, Diplommatina acme F.F. Laidlaw, 1949 - (DIPLOMMATINIDAE)
- acme, Vrazia acme Š. Brusina, 1897 † - (HYDROBIIDAE) (FOSSIL)
- Acmea, syn of: Genus Acmaea J.F. von Eschscholtz, 1833 (ACMAEIDAE)
- acmeleuca, Nassaria acmeleuca Y.C. Lee, MS - (NASSARIIDAE)
- Acmella, Genus Acmella W.T. Blanford, 1869 (ASSIMINEIDAE)
- acmella, Papuina acmella L. Pfeiffer - (CAMAENIDAE)
- acmensis, Pleuroploca acmensis M. Smith, 1940 - syn of: Triplofusus giganteus (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- acmon, Ataphrus acmon (A.V.M.D. D'Orbigny, 1853 †) - (ATAPHRIDAE) (FOSSIL)
- Acmopupa, Genus Acmopupa O. Boettger, 1889 † (VERTIGINIDAE) (FOSSIL)
- acobae, Acobaecardium acobae (Tscheltzov, 1965 †) - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- Acobaecardium, Genus Acobaecardium Paramonova, 1986 (PTERIIDA (UNASSIGNED)) (FOSSIL)
- acobambensis, Drymaeus acobambensis W.K. Weyrauch, 1967 - (BULIMULIDAE)
- acobambensis, Nenia acobambensis H.A. Pilsbry, 1945 - syn of: Andiniella sztolcmani (W. Polinski, 1921) - (CLAUSILIIDAE)
- acobambensis, Helicina acobambensis H.A. Pilsbry, 1945 - (HELICINIDAE)
- ACOCHLIDIIDAE Küthe, 1935 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-ACOCHLIDIACEA [Order]-ACOCHLIDIOIDEA [Superfamily])
- Acochlidium, Genus Acochlidium B. Strubell, 1892 (ACOCHLIDIIDAE)
- acolasta, Macoma acolasta W.H. Dall, 1921 - (TELLINIDAE)
- acolaston, Opisthostoma acolaston J.J. Vermeulen, 1995 - (DIPLOMMATINIDAE)
- acolus, Conus acolus W.P. Woodring, 1970 † - (CONIDAE) (FOSSIL)
- acolus, Cymatophos acolus W.P. Woodring, 1964 † - (NASSARIIDAE) (FOSSIL)
- acolus, Nanarius parapristus acolus W.P. Woodring, 1964 † - (NASSARIIDAE) (FOSSIL)
- Acolus, syn of: Subgenus Gomphina (Jukesena) T. Iredale, 1915 (VENERIDAE)
- Acominia, syn of: Genus Cominella J.E. Gray, 1850 (BUCCINIDAE)
- acomphus, Ischnochiton acomphus A.F.B. Hull & J.J. Risbec, 1930 - (ISCHNOCHITONIDAE)
- acompsia, Cernuella acompsia J.R. Bourguignat, 1864 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- acompsiella, Cernuella acompsiella C.M.F. Ancey - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- Acompsoceras, Genus Acompsoceras Hyatt, 1903 † (ACANTHOCERATIDAE) (FOSSIL)
- acomptiella, Cernuella acomptiella É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- aconcaguensis, Choicensisphinctes aconcaguensis Vennari, 2016 † - (ATAXIOCERATIDAE) (FOSSIL)
- aconcaguina, Collisella aconcaguina R. Ramírez, 1974 - syn of: Scurria ceciliana (A.V.M.D. D'Orbigny, 1841) - (LOTTIIDAE)
- Aconeceras, Genus Aconeceras Hyatt , 1903 † (OPPELIIDAE) (FOSSIL)
- aconjigastana, Spixia aconjigastana (A. Doering, 1877) - (ODONTOSTOMIDAE)
- acontes, Anomia simplex acontes J.E. Gray, 1850 - (ANOMIIDAE)
- acontistes, Ancilla acontistes R.N. Kilburn, 1980 - (ANCILLARIIDAE)
- acontium, Cerithiopsis acontium W.H. Dall, 1889 - (CERITHIOPSIDAE)
- acordonada, Trophon geversianum acordonada Z.J.A. De Castellanos, 1993 - (MURICIDAE)
- Acorylus, Subgenus Tellina (Acorylus) A.A. Olsson & A. Harbison, 1953 (TELLINIDAE)
- acosmeta, Cernuella acosmeta J.R. Bourguignat in É.A.A. Locard, 1882 - syn of: Cernuella neglecta (J.P.R. Draparnaud, 1805) - (HYGROMIIDAE)
- acosmia, Candidula unifasciata acosmia (J.R. Bourguignat, 1882) - (HYGROMIIDAE)
- acosmia, Turbonilla acosmia W.H. Dall & P. Bartsch, 1906 - (PYRAMIDELLIDAE)
- acosmita, Cryptonatica acosmita W.H. Dall, 1919 - syn of: Cryptonatica affinis (J.F. Gmelin, 1791) - (NATICIDAE)
- acosmita, Moerella acosmita W.H. Dall, 1900 † - (TELLINIDAE) (FOSSIL)
- acosmius, Anomalisipho acosmius (W.H. Dall, 1891) - (BUCCINIDAE)
- acosmius, Colus acosmius W.H. Dall, 1891 - syn of: Anomalisipho acosmius (W.H. Dall, 1891) - (BUCCINIDAE)
- acosmius, Latisipho acosmius W.H. Dall, 1891 - syn of: Anomalisipho acosmius (W.H. Dall, 1891) - (BUCCINIDAE)
- acosta, Turbonilla acosta P. Bartsch, 1919 - syn of: Derjuginella rufofasciata (E.A. Smith, 1875) - (PYRAMIDELLIDAE)
- acosta, Bactrospira acosta A.A. Olsson, 1964 † - (TURRITELLIDAE) (FOSSIL)
- acostae, Pholadomya acostae C.É. Bayle & Coquand, 1851 † - syn of: Pholadomya fidicula Sowerby, 1826 † - (PHOLADOMYIDAE) (FOSSIL)
- Acostaea, Genus Acostaea A.V.M.D. D'Orbigny, 1851 (ETHERIIDAE)
- acostata, Splendrillia acostata (J.C. Verco, 1909) - (DRILLIIDAE)
- acostata, Lepidozona acostata Sirenko, 2016 - (ISCHNOCHITONIDAE)
- acostatae, Obliquatheca acostatae A.V. Sysoev, 1968 † - (ALLATHECIDAE) (FOSSIL)
- Acostea, syn of: Genus Acostaea A.V.M.D. D'Orbigny, 1851 (ETHERIIDAE)
- acova, Inodrillia acova P. Bartsch, 1943 - (HORAICLAVIDAE)
- acra, Fusiturricula acra (W.P. Woodring, 1970 †) - (DRILLIIDAE) (FOSSIL)
- acra, Amblychilepas acra B.C. Cotton, 1947 † - (FISSURELLIDAE) (FOSSIL)
- acra, Tectura acra W.P. Woodring, 1928 - syn of: Lottia alveus (T.A. Conrad, 1831) - (LOTTIIDAE)
- acra, Olivella acra W.P. Woodring, 1928 † - (OLIVELLIDAE) (FOSSIL)
- acra, Turbonilla acra W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- acra, Pleurofusia acra W.P. Woodring, 1970 † - syn of: Fusiturricula acra (W.P. Woodring, 1970 †) - (TURRIDAE) (FOSSIL)
- Acracoptis, syn of: Genus Acrocoptis M.L. Jaume & C. de la Torre, 1972 (UROCOPTIDAE)
- acrambleia, Oxyloma acrambleia J.F. Mabille, 1870 - syn of: Oxyloma elegans (A. Risso, 1826) - (SUCCINEIDAE)
- acramiticus, Viviparus rhodensis acramiticus Bukowski, 1892 † - (VIVIPARIDAE) (FOSSIL)
- acre, Nicimitoceras acre (Vöhringer, 1960 †) - (GATTENDORFIIDAE) (FOSSIL)
- acre, Imitoceras acre Vohringer, 1960 † - (PRIONOCERATIDAE) (FOSSIL)
- acre, Imitoceras acre Vöhringer, 1960 † - syn of: Nicimitoceras acre (Vöhringer, 1960 †) - (PRIONOCERATIDAE) (FOSSIL)
- acrea, Turritoma acrea (Billings, 1865 †) - (EOTOMARIIDAE) (FOSSIL)
- acrea, Murchisonia acrea Billings, 1865 † - syn of: Turritoma acrea (Billings, 1865 †) - (MURCHISONIIDAE) (FOSSIL)
- acrea, Melanoides acrea L.A. Reeve - (THIARIDAE)
- acredema, Helicoradomenia acredema A.H. Scheltema, 2000 - (SIMROTHIELLIDAE)
- acrei, Acroteuthis acrei Swinnerton † - (PASSALOTEUTHIDIDAE) (FOSSIL)
- Acremodonta, Genus Acremodonta B.A. Marshall, 1983 (TROCHACLIDIDAE)
- Acremodontina, Genus Acremodontina B.A. Marshall, 1995 (TROCHACLIDIDAE)
- Acremodontina, syn of: Genus Acremodonta B.A. Marshall, 1983 (TROCHACLIDIDAE)
- acrenoica, Cernuella acrenoica F. Haas, 1939 - syn of: Cernuella neglecta (J.P.R. Draparnaud, 1805) - (HYGROMIIDAE)
- Acreuciroa, syn of: Genus Euciroa W.H. Dall, 1881 (EUCIROIDAE)
- acriba, Felimare acriba (Er. Marcus & Ev. Marcus, 1967) - (CHROMODORIDIDAE)
- Acriclymenia, Genus Acriclymenia Bogoslovsky, 1975 † (CARINOCLYMENIIDAE) (FOSSIL)
- acricula, Nannodiella acricula (C. Hedley, 1922) - (CLATHURELLIDAE)
- acricula, Etrema acricula C. Hedley, 1922 - syn of: Nannodiella acricula (C. Hedley, 1922) - (CLATHURELLIDAE)
- acricula, Zadelsdorfia acricula Ruan, 1995 † - syn of: Weyerella angularia (Liang & Wang, 1991 †) - (GATTENDORFIIDAE) (FOSSIL)
- acricula, Gazameda acricula (R. Tate, 1893 †) - (TURRITELLIDAE) (FOSSIL)
- acricula victoriensis, Gazameda acricula victoriensis B.C. Cotton & Woods, 1935 - (TURRITELLIDAE)
- acridula, Clausilia acridula E.A. Rossmässler, 1836 - syn of: Mentissa canalifera (E.A. Rossmässler, 1836) - (CLAUSILIIDAE)
- acrifa, Melanella acrifa (P. Bartsch, 1915) - (EULIMIDAE)
- acrifa, Evalea acrifa P. Bartsch, 1915 - syn of: Melanella acrifa (P. Bartsch, 1915) - (PYRAMIDELLIDAE)
- Acrilla, Genus Acrilla H. Adams, 1860 (EPITONIIDAE)
- acrilla, Liotia acrilla W.H. Dall, 1889 - syn of: Cyclostrema cancellatum F. Marryat, 1818 - (LIOTIIDAE)
- Acrilloscala, Genus Acrilloscala F. Sacco, 1891 (EPITONIIDAE)
- acrilobus, Nehdenites acrilobus (Sobolew, 1914 †) - (CHEILOCERATIDAE) (FOSSIL)
- Acrimeroceras, Genus Acrimeroceras Becker 1993 † (DIMEROCERATIDAE) (FOSSIL)
- Acrioceras, Genus Acrioceras Hyatt , 1900 † (ANCYLOCERATIDAE) (FOSSIL)
- ACRIOCERATIDAE Vermeulen, 2004 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ANCYLOCERATINA [Suborder]-ANCYLOCERATOIDEA [Superfamily]) (FOSSIL)
- acrior, Stenoplax acrior H.A. Pilsbry, 1892 - (ISCHNOCHITONIDAE)
- acrior, Ischnochiton acrior Carpenter, 1892 - syn of: Stenoplax magdalenensis (R.B. Hinds, 1845) - (ISCHNOCHITONIDAE)
- acrior, Terebra acrior W.H. Dall, 1889 - syn of: Terebra limatula W.H. Dall, 1889 - (TEREBRIDAE)
- acris, Ganesella acris (W.H. Benson, 1859) - (CAMAENIDAE)
- acris, Parkinsonia acris Wetzel, 1911 † - (PARKINSONIIDAE) (FOSSIL)
- acris, Parailsanella acris Voronova & al., 1987 † - (TRENELLIDAE) (FOSSIL)
- acris perakensis, Ganesella acris perakensis (J.C.H. Crosse, 1879) - (CAMAENIDAE)
- acrisecta, Puposyrnola acrisecta N.H. Ludbrook, 1941 † - (PYRAMIDELLIDAE) (FOSSIL)
- acrisius, Fusus acrisius G.D. Nardo, 1847 - syn of: Ocinebrina aciculata (J.B.P.A. Lamarck, 1822) - (FASCIOLARIIDAE)
- Acrista, Genus Acrista C. Hedley, 1922 (CLATHURELLIDAE)
- acrita, Saccella acrita (W.H. Dall, 1908) - (NUCULANIDAE)
- acrita, Heteroterma acrita Saul, 1988 † - (PERISSITYIDAE) (FOSSIL)
- acrita epacra, Saccella acrita epacra W.P. Woodring, 1973 - (NUCULANIDAE)
- Acritopaphia, syn of: Genus Paphia P.F. Röding, 1798 (VENERIDAE)
- Acrobela, syn of: Genus Microdrillia T.L. Casey, 1903 (BORSONIIDAE)
- acrobeles, Kidderia acrobeles (H.H. Suter, 1913) - (CYAMIIDAE)
- Acrocanites, Genus Acrocanites Schindewolf , 1922 † (ACROCANITIDAE) (FOSSIL)
- ACROCANITIDAE Korn & Ebbignausen, 2007 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-PRIONOCERATOIDEA [Superfamily]) (FOSSIL)
- acrocarinatum, Lioglyphostoma acrocarinatum (W.H. Dall, 1927) - (PSEUDOMELATOMIDAE)
- Acrochalix, Genus Acrochalix P. Bouchet & A. Warén, 1986 (EULIMIDAE)
- Acrochordiceras, Genus Acrochordiceras Hyatt , 1877 † (ACROCHORDICERATIDAE) (FOSSIL)
- ACROCHORDICERATIDAE Arthaber, 1911 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-CERATITOIDEA [Superfamily]) (FOSSIL)
- Acrocoelites, Genus Acrocoelites Lissajous, 1927 † (MEGATEUTHIDIDAE) (FOSSIL)
- Acrocoelum, Genus Acrocoelum A.E.M. Cossmann, 1888 † (MATHILDIDAE) (FOSSIL)
- Acrocolpus, Genus Acrocolpus A.E.M. Cossmann, 1895 † (BULLIDAE) (FOSSIL)
- acrocomata, Haloceras acrocomata A. Warén & P. Bouchet, 1991 - (HALOCERATIDAE)
- acrocome, Agnocardia acrocome (W.H. Dall, 1900 †) - (CARDIIDAE) (FOSSIL)
- Acrocoptis, Genus Acrocoptis M.L. Jaume & C. de la Torre, 1972 (UROCOPTIDAE)
- Acrocosmia, Genus Acrocosmia Koken, 1897 † (COELOSTYLINIDAE) (FOSSIL)
- Acroculia, syn of: Genus Platyceras Conrad, 1840 † (PLATYCERATIDAE) (FOSSIL)
- Acroculia, syn of: Genus Platyceras Conrad, 1840 † (PLATYCERATIDAE) (FOSSIL)
- acrocyrtus, Mytilus galloprovincialis acrocyrtus É.A.A. Locard, 1889 - (MYTILIDAE)
- Acroeuxina, Subgenus Elia (Acroeuxina) O. Böttger, 1877 (CLAUSILIIDAE)
- acrolepta, Clausilia acrolepta E.C. Von Martens, 1876 - syn of: Mucronaria acuminata (A. Mousson, 1876) - (CLAUSILIIDAE)
- acrolepta, Melanopsis acrolepta C.F. Fontannes, 1884 † - (MELANOPSIDAE) (FOSSIL)
- acrolineata, Lienardia acrolineata A.E. Fedosov, 2011 - (CLATHURELLIDAE)
- Acrololigo, syn of: Genus Alloteuthis G. Wülker, 1920 (LOLIGINIDAE)
- acrolopha, Meekospira acrolopha Peel, 2016 † - (MEEKOSPIRIDAE) (FOSSIL)
- ACROLOXIDAE Thiele, 1931 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-HYGROPHILA [Order]-ACROLOXOIDEA [Superfamily])
- Acroloxus, Genus Acroloxus H.H. Beck, 1837 (ACROLOXIDAE)
- acromelas, Bostryx acromelas (P.M.A. Morelet, 1845) - (BULIMULIDAE)
- acromiale, Vexillum acromiale (C. Hedley, 1915) - (COSTELLARIIDAE)
- acromialis, Mitra acromialis C. Hedley, 1915 - syn of: Vexillum acromiale (C. Hedley, 1915) - (MITRIDAE)
- acronicus, Radix acronicus S.E. Studer, 1820 - syn of: Radix auricularia (C. Linnaeus, 1758) - (LYMNAEIDAE)
- acronicus, Gyraulus acronicus (A.E.J. Férussac, 1807) - (PLANORBIDAE)
- acronicus, Planorbis acronicus A.E.J. Férussac, 1807 - syn of: Gyraulus acronicus (A.E.J. Férussac, 1807) - (PLANORBIDAE)
- acropachia, Tacheocampylaea acropachia (J.F. Mabille, 1880) - (HELICIDAE)
- acropachia garciai, Tacheocampylaea acropachia garciai (P. Hagenmüller, 1888) - (HELICIDAE)
- acropachia pollonerae, Tacheocampylaea acropachia pollonerae (E. Caziot, 1888) - (HELICIDAE)
- Acropagia, syn of: Genus Arcopagia W.E. Leach in T. Brown, 1827 (TELLINIDAE)
- Acrophaedusa, syn of: Genus Oospira W.T. Blanford, 1872 (CLAUSILIIDAE)
- Acrophlyctis, Subgenus Bythinella (Acrophlyctis) A.E.M. Cossmann, 1888 (BYTHINELLIDAE)
- Acrophylctis, syn of: Subgenus Bythinella (Acrophlyctis) A.E.M. Cossmann, 1888 (BYTHINELLIDAE)
- acropisthus, Tellina acropisthus K.H. Barnard, 1964 - syn of: Afsharius mauritianus (J.M.R.M. Viader, 1951) - (TELLINIDAE)
- acropora, Turritella acropora W.H. Dall, 1889 - (TURRITELLIDAE)
- acroporicola, Coralichlamys acroporicola T. Iredale, 1939 - syn of: Coralichlamys madreporarum (G.B. II Sowerby, 1842) - (PECTINIDAE)
- Acropota, syn of: Genus Microdrillia T.L. Casey, 1903 (BORSONIIDAE)
- Acroptycha, Genus Acroptycha J.C.H. Crosse & P. Fischer, 1877 (MEGALOMASTOMIDAE)
- Acroptychia, Genus Acroptychia J.C.H. Crosse & P. Fischer, 1877 (MEGALOMASTOMIDAE)
- Acrorbis, Genus Acrorbis N.H. Odhner, 1937 (PLANORBIDAE)
- Acroreia, Genus Acroreia Cossmann, 1885 † (ACROREIIDAE) (FOSSIL)
- ACROREIIDAE Cossmann, 1893 † - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-SIPHONARIOIDEA [Superfamily]) (FOSSIL)
- Acroria, syn of: Genus Acroreia Cossmann, 1885 † (ACROREIIDAE) (FOSSIL)
- acrorrhyncha, Lanceolaria acrorrhyncha (E.C. Von Martens, 1894) - (UNIONIDAE)
- Acrosolarium, Genus Acrosolarium Koken, 1896 † (CIRRIDAE) (FOSSIL)
- Acrosphaerorthoceras, Genus Acrosphaerorthoceras Ristedt, 1968 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- Acrospira, Genus Acrospira Batten , 1985 † (ABYSSOCHRYSIDAE) (FOSSIL)
- Acrosquama, syn of: Genus Halkieria Poulsen, 1967 † (HALKIERIIDAE) (FOSSIL)
- Acrostemma, Subgenus Cylichna (Acrostemma) A.E.M. Cossmann, 1889 (CYLICHNIDAE)
- acrostephanus, Epitonium acrostephanus W.H. Dall, 1908 - syn of: Epitonium sawinae (W.H. Dall, 1903) - (EPITONIIDAE)
- Acrosterigma, Genus Acrosterigma W.H. Dall, 1900 (CARDIIDAE)
- acrosticha, Helix acrosticha Fischer, 1877 - syn of: Corneola desmoulinsi (J.N. Farines, 1834) - (HELICIDAE)
- acrostoma, Synprosphyma acrostoma (A.R.J.B. Bavay & P. Dautzenberg, 1909) - (CLAUSILIIDAE)
- Acrostoma, syn of: Genus Paracrostoma A.E.M. Cossmann, 1900 (PACHYCHILIDAE)
- Acrostylus, syn of: Subgenus Placostylus (Malaitella) W.J. Clench, 1941 (BOTHRIEMBRYONTIDAE)
- acroterion, Campeloma acroterion J.H. Hartman, 2015 - (VIVIPARIDAE)
- Acroteuthis, Genus Acroteuthis Stolley, 1911 † (PASSALOTEUTHIDIDAE) (FOSSIL)
- acrotholoides, Conus acrotholoides R. Tate, 1890 † - (CONIDAE) (FOSSIL)
- Acrotoma, Genus Acrotoma O. Böttger, 1881 (CLAUSILIIDAE)
- Acrotomella, syn of: Genus Acrotoma O. Böttger, 1881 (CLAUSILIIDAE)
- Acrotomina, Subgenus Acrotoma (Acrotomina) H. Nordsieck, 1977 (CLAUSILIIDAE)
- Acrotrema, syn of: Subgenus Retusa (Cylichnina) T.A. de M. Monterosato, 1884 (RETUSIDAE)
- acrotricha, Corneola acrotricha (P. Fischer, 1877) - (HELICIDAE)
- acroxa, Costatella acroxa P. Fagot, 1884 - syn of: Physella acuta (J.P.R. Draparnaud, 1805) - (PHYSIDAE)
- acroxia, Fagotia acroxia J.R. Bourguignat, 1884 - syn of: Esperiana esperi (A.E.J. Férussac, 1823) - (MELANOPSIDAE)
- Acroxiana, syn of: Genus Fagotia J.R. Bourguignat, 1884 (MELANOPSIDAE)
- Acroxus, syn of: Genus Acroloxus H.H. Beck, 1837 (ACROLOXIDAE)
- Acruroteuthis, syn of: Genus Alloteuthis G. Wülker, 1920 (LOLIGINIDAE)
- acrybia, Drillia acrybia W.H. Dall, 1889 - syn of: Inodrillia acrybia (W.H. Dall, 1889) - (DRILLIIDAE)
- acrybia, Inodrillia acrybia (W.H. Dall, 1889) - (HORAICLAVIDAE)
- Acrybia, syn of: Genus Bulbus T. Brown, 1827 (NATICIDAE)
- acrybia, Odostomia acrybia W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- Actaeocina, syn of: Genus Acteocina J.E. Gray, 1847 (ACTEOCINIDAE)
- Actaeon, syn of: Genus Acteon P.D. Montfort, 1810 (ACTEONIDAE)
- actaeon, Poleumita actaeon J. Perner, 1907 † - syn of: Oriostoma actaeon (J. Perner, 1907 †) - (EUOMPHALIDAE) (FOSSIL)
- actaeon, Myoconcha actaeon A.V.M.D. D'Orbigny, 1850 † - (KALENTERIDAE) (FOSSIL)
- actaeon, Oriostoma actaeon (J. Perner, 1907 †) - (ORIOSTOMATIDAE) (FOSSIL)
- actaeon, Tropidoceras actaeon (A.V.M.D. D'Orbigny, 1844 †) - (POLYMORPHITIDAE) (FOSSIL)
- Actaeonella, syn of: Genus Acteonella D'Orbigny, 1843 † (ACTEONELLIDAE) (FOSSIL)
- Actaeonellina, Genus Actaeonellina Pchelintsev, 1963 (CEPHALASPIDA (UNASSIGNED)) (FOSSIL)
- Actaeonema, Genus Actaeonema Conrad, 1865 (TURRITELLIDAE) (FOSSIL)
- Actaeonia, syn of: Genus Limapontia G. Johnston, 1836 (LIMAPONTIIDAE)
- ACTAEONIDAE - syn of Family: ACTEONIDAE
- Actaeonidea, syn of: Genus Rictaxis W.H. Dall, 1871 (ACTEONIDAE)
- actaeoniformis, Menestho actaeoniformis S. Nomura, 1938 - (PYRAMIDELLIDAE)
- actaeoniformis, Ringicula actaeoniformis Netschaev, 1897 † - (RINGICULIDAE) (FOSSIL)
- Actaeonina, syn of: Genus Acteonina D'Orbigny, 1850 † (ACTEONINIDAE) (FOSSIL)
- Actaeopyramis, Genus Actaeopyramis Fischer, 1885 † (CIMIDAE) (FOSSIL)
- Actaeopyramis, syn of: Genus Monotygma G.B. II Sowerby, 1839 (PYRAMIDELLIDAE)
- Acteocina, Genus Acteocina J.E. Gray, 1847 (ACTEOCINIDAE)
- acteocina, Olivella acteocina A.A. Olsson, 1956 - (OLIVELLIDAE)
- ACTEOCINIDAE Dall, 1913 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-CEPHALASPIDEA [Order]-BULLOIDEA [Superfamily])
- acteocinoides, Microtralia acteocinoides J.T. Kuroda & T. Habe, 1961 - (ELLOBIIDAE)
- acteoglypha, Mitra acteoglypha J. Gardner, 1938 † - (MITRIDAE) (FOSSIL)
- Acteon, Genus Acteon P.D. Montfort, 1810 (ACTEONIDAE)
- acteon, Nassarius acteon F.S. MacNeil, 1960 † - (NASSARIIDAE) (FOSSIL)
- Acteonella, Genus Acteonella D'Orbigny, 1843 † (ACTEONELLIDAE) (FOSSIL)
- ACTEONELLIDAE Gill, 1871 † - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-ACTEONOIDEA [Superfamily]) (FOSSIL)
- acteonelliformis, Cylichna acteonelliformis S. Kiel & K. Bandel, 2001 † - (CYLICHNIDAE) (FOSSIL)
- Acteonia, syn of: Genus Limapontia G. Johnston, 1836 (LIMAPONTIIDAE)
- ACTEONIDAE d’Orbigny, 1843 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-ACTEONOIDEA [Superfamily])
- Acteonina, Genus Acteonina D'Orbigny, 1850 † (ACTEONINIDAE) (FOSSIL)
- acteonina, Ferganispira acteonina Batten, 1995 † - (GOSSELETINIDAE) (FOSSIL)
- ACTEONINIDAE - syn of Family: ACTEONINIDAE (FOSSIL)
- ACTEONINIDAE Cossmann, 1895 † - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-ACTEONINOIDEA [Superfamily]) (FOSSIL)
- actiella, Cernuella actiella É.A.A. Locard, 1885 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- actina, Acmaea actina W.P. Woodring, 1928 † - (ACMAEIDAE) (FOSSIL)
- Actinaria, syn of: Genus Philalanka H.H. Godwin-Austen, 1898 (ENDODONTIDAE)
- actinariophila, Nipponomontacuta actinariophila A. Yamamoto & T. Habe, 1961 - (MONTACUTIDAE)
- actinariophilum, Epitonium actinariophilum (H. Masahito & T. Habe, 1976) - (EPITONIIDAE)
- Actinella, Genus Actinella R.T. Lowe, 1852 (HYGROMIIDAE)
- actiniophorum, Fissidentalium actiniophorum R.L. Shimek, 1997 - (DENTALIIDAE)
- actinis, Chelodes actinis Cherns, 1998 † - (MATTHEVIIDAE) (FOSSIL)
- actinium, Cerithidium actinium H.A. Rehder, 1980 - (CERITHIIDAE)
- Actinobolus, syn of: Genus Cardites J.H.F. Link, 1807 (CARDITIDAE)
- Actinobolus, syn of: Genus Cardites J.H.F. Link, 1807 (CARDITIDAE)
- Actinocamax, Genus Actinocamax Miller, 1823 † (BELEMNITELLIDAE) (FOSSIL)
- Actinoceramus, Genus Actinoceramus Meek, 1864 † (INOCERAMIDAE) (FOSSIL)
- Actinoceras, Genus Actinoceras Bronn, 1837 † (ACTINOCERATIDAE) (FOSSIL)
- ACTINOCERATIDAE Saeman, 1853 † - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ACTINOCERIDA [Order]) (FOSSIL)
- ACTINOCERIDA (UNASSIGNED) - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ACTINOCERIDA [Order]) (FOSSIL)
- Actinoconus, Genus Actinoconus Yü, 1979 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- actinocycla, Drillia actinocycla W.H. Dall & C.T. Simpson, 1901 - syn of: Strombus pugilis C. Linnaeus, 1758 - (DRILLIIDAE)
- ACTINOCYCLIDAE O’Donoghue, 1929 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-NUDIBRANCHIA [Order]-DORIDOIDEA [Superfamily])
- Actinocyclus, Genus Actinocyclus C.G. Ehrenberg, 1831 (ACTINOCYCLIDAE)
- actinodes, Zygochlamys actinodes (Sowerby, 1846 †) - (PECTINIDAE) (FOSSIL)
- Actinodesma, Genus Actinodesma Sandberger 1856 (PTERINEIDAE) (FOSSIL)
- Actinodonta, Genus Actinodonta Philipps, 1848 † (ACTINODONTIDAE) (FOSSIL)
- ACTINODONTIDAE Ulrich, 1884 † - Family (BIVALVIA-HETERODONTA [Subclass]-ARCHIHETERODONTA [Infraclass]-ACTINODONTIDA [Order]-ANODONTOPSOIDEA [Superfamily]) (FOSSIL)
- Actinodontophora, Genus Actinodontophora Ichikawa, 1951 † (ACTINODONTOPHORIDAE) (FOSSIL)
- ACTINODONTOPHORIDAE Newell, 1969 † - Family (BIVALVIA-PALAEOHETERODONTA [Subclass]-UNIONIDA [Order]-UNIONOIDEA [Superfamily]) (FOSSIL)
- Actinodoris, syn of: Genus Chromodoris J. Alder & A. Hancock, 1855 (CHROMODORIDIDAE)
- Actinoleuca, Genus Actinoleuca W.R.B. Oliver, 1926 (LOTTIIDAE)
- Actinomorpha, Genus Actinomorpha Flower, 1943 † (VALCOUROCERATIDAE) (FOSSIL)
- actinomphala, Pleurotomaria actinomphala Eudes-Deslongchamps, 1849 † - syn of: Pleurotomaria rotundata C. Bosch, 1998 † - (PLEUROTOMARIIDAE) (FOSSIL)
- actinomphala abbas, Pleurotomaria actinomphala abbas Hudleston † - syn of: Pleurotomaria rotundata abbas Hudleston † - (PLEUROTOMARIIDAE) (FOSSIL)
- Actinonaias, Genus Actinonaias J.C.H. Crosse & P. Fischer, 1893 (UNIONIDAE)
- actinophora, Anadara actinophora W.H. Dall, 1898 † - (ARCIDAE) (FOSSIL)
- actinophora, Calliotropis actinophora (W.H. Dall, 1890) - (CALLIOTROPIDAE)
- actinophora, Witchellia actinophora Buckman † - (HAMMATOCERATIDAE) (FOSSIL)
- actinophora, Actinella actinophora (R.T. Lowe, 1831) - (HYGROMIIDAE)
- actinophora, Erycina actinophora (W.H. Dall, 1900 †) - (LASAEIDAE) (FOSSIL)
- actinophora, Margarites actinophora W.H. Dall, 1890 - syn of: Calliotropis actinophora (W.H. Dall, 1890) - (MARGARITIDAE)
- actinophora, Poirieria actinophora (W.H. Dall, 1889) - (MURICIDAE)
- actinophora, Actinotrophon actinophora (W.H. Dall, 1889) - syn of: Poirieria actinophora (W.H. Dall, 1889) - (MURICIDAE)
- actinophora descendens, Actinella actinophora descendens (T.V. Wollaston, 1878) - (HYGROMIIDAE)
- Actinopsis, syn of: Genus Alvania A. Risso, 1826 (RISSOIDAE)
- Actinopterella, Genus Actinopterella Williams, 1908 † (PTERINEIDAE) (FOSSIL)
- Actinopteria, Genus Actinopteria Hall , 1884 † (PTERINEIDAE) (FOSSIL)
- Actinopterinia, Genus Actinopterinia Isberg, 1934 † (PTERIIDAE) (FOSSIL)
- Actinosepia, Genus Actinosepia Whiteaves, 1897 † (ACTINOSEPIIDAE) (FOSSIL)
- ACTINOSEPIIDAE P. Doyle, D.T. Donovan & M. Nixon, 1994 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-SEPIIDA [Order]) (FOSSIL)
- actinostephes, Microcolus actinostephes (R. Tate, 1888 †) - (FASCIOLARIIDAE) (FOSSIL)
- Actinostrea, syn of: Genus Actinostreon Bayle, 1878 † (ARCTOSTREIDAE) (FOSSIL)
- Actinostreon, Genus Actinostreon Bayle, 1878 † (ARCTOSTREIDAE) (FOSSIL)
- Actinotrigonia, Genus Actinotrigonia Cox, 1964 † (TRIGONIIDAE) (FOSSIL)
- Actinotrophon, Subgenus Poirieria (Actinotrophon) W.H. Dall, 1902 (MURICIDAE)
- actinotus, Stephopoma actinotus R. Tate, 1893 † - (VERMETIDAE) (FOSSIL)
- ACTINSEPIIDAE - syn of Family: ACTINOSEPIIDAE (FOSSIL)
- actinus, Cardiolucina actinus W.H. Dall, 1903 † - (LUCINIDAE) (FOSSIL)
- actis, Astarte actis W.H. Dall, 1920 - syn of: Astarte arctica (J.E. Gray, 1824) - (ASTARTIDAE)
- actis broweri, Astarte actis broweri F.B. Meek, 1923 - syn of: Astarte arctica (J.E. Gray, 1824) - (ASTARTIDAE)
- Actomphalus, syn of: Genus Omphalocirrus de Ryckholt, 1860 † (OMPHALOCIRRIDAE) (FOSSIL)
- actoni, Pseudomalaxis actoni T.A. de M. Monterosato, 1913 - syn of: Pseudomalaxis zanclaeus (R.A. Philippi, 1844) - (ARCHITECTONICIDAE)
- actoni, Cuspidaria actoni N. Tiberi, 1855 - syn of: Cardiomya costellata (G.P. Deshayes, 1835) - (CUSPIDARIIDAE)
- actoni, Cardiomya actoni (G.P. Deshayes, 1833) - syn of: Cardiomya costellata (G.P. Deshayes, 1835) - (CUSPIDARIIDAE)
- actoni, Pecten actoni E.C. Von Martens, 1856 - syn of: Parvamussium fenestratum (E. Forbes, 1844) - (PECTINIDAE)
- actoni, Parvamussium actoni E.C. Von Martens, 1856 - syn of: Parvamussium fenestratum (E. Forbes, 1844) - (PROPEAMUSSIIDAE)
- Actonia, syn of: Genus Alvania A. Risso, 1826 (RISSOIDAE)
- actoniana, Cecilioides actoniana (L. Benoit, 1862) - (FERUSSACIIDAE)
- actophora, Chemnitzia actophora W.H. Dall & P. Bartsch, 1906 - (PYRAMIDELLIDAE)
- actopora, Turbonilla actopora W.H. Dall & P. Bartsch, 1906 - (PYRAMIDELLIDAE)
- Actostreon, syn of: Subgenus Exogyra (Aetostreon) Bayle, 1878 † (GRYPHAEIDAE) (FOSSIL)
- Actryonia, syn of: Subgenus Ostrea (Alectryonia) Fischer de Waldheim, 1807 † (OSTREIDAE) (FOSSIL)
- actutangula, Tellina actutangula G.P. Deshayes, 1857 † - (TELLINIDAE) (FOSSIL)
- acuaria, Pacaudina acuaria (Uhlig, 1883 †) - (ANAHAMULINIDAE) (FOSSIL)
- acuaria, Hamulina acuaria Uhlig, 1883 † - syn of: Pacaudina acuaria (Uhlig, 1883 †) - (HAMULINIDAE) (FOSSIL)
- acuaria, Acella acuaria M. von Neumayr, 1869 † - (LYMNAEIDAE) (FOSSIL)
- acuaria, Cuspiteuthis acuaria (von Schlotheim, 1820 †) - (MEGATEUTHIDIDAE) (FOSSIL)
- acuaria, Myurella acuaria F. Toula, 1911 † - syn of: Strioterebrum gausapatum J. Brown & H.A. Pilsbry, 1911 † - (TEREBRIDAE) (FOSSIL)
- Acuariceras, Genus Acuariceras Spath, 1933 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- acuarius, Belemnites acuarius von Schlotheim, 1820 † - (BELEMNITELLIDAE) (FOSSIL)
- acuarius, Salpingoteuthis acuarius von Schlotheim, 1820 † - syn of: Belemnites acuarius von Schlotheim, 1820 † - (SALPINGOTEUTHIDIDAE) (FOSSIL)
- acucincta, Drillia acucincta W.H. Dall, 1890 - syn of: Zonulispira crocata (L.A. Reeve, 1845) - (DRILLIIDAE)
- acucincta, Sedilia acucincta W.H. Dall, 1890 - syn of: Zonulispira crocata (L.A. Reeve, 1845) - (HORAICLAVIDAE)
- acucostis, Acuariceras acucostis J.J. Bert & Courville, 2016 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- acuducta, Euplecta acuducta (W.H. Benson, 1850) - (ARIOPHANTIDAE)
- acuformis, Strombinella acuformis W.H. Dall, 1896 † - (COLUMBELLIDAE) (FOSSIL)
- acuformis, Melanella acuformis (G. Nevill & H. Nevill, 1875) - (EULIMIDAE)
- Acula, syn of: Genus Ancula S.L. Lovén, 1846 (GONIODORIDIDAE)
- Aculamprotula, Genus Aculamprotula W.L. Wu, 1998 (UNIONIDAE)
- aculcatum, Acanthocardia aculcatum A. Aradas & L. Benoit, 1870 - syn of: Acanthocardia aculeata (C. Linnaeus, 1758) - (CARDIIDAE)
- aculea, Agathotoma aculea (W.H. Dall, 1919) - (MANGELIIDAE)
- aculeata, Angaria aculeata (L.A. Reeve, 1842) - (ANGARIIDAE)
- aculeata, Anomia aculeata O.F. Müller, 1776 - syn of: Heteranomia squamula aculeata (O.F. Müller, 1776) - (ANOMIIDAE)
- aculeata, Monia aculeata O.F. Müller, 1776 - syn of: Heteranomia squamula aculeata (O.F. Müller, 1776) - (ANOMIIDAE)
- aculeata, Heteranomia squamula aculeata (O.F. Müller, 1776) - (ANOMIIDAE)
- aculeata, Anadara aculeata J.G. Bruguière, 1789 - syn of: Tegillarca granosa (C. Linnaeus, 1758) - (ARCIDAE)
- aculeata, Arca aculeata J.G. Bruguière, 1789 - syn of: Tegillarca granosa (C. Linnaeus, 1758) - (ARCIDAE)
- aculeata, Crepidula aculeata auct. non J.F. Gmelin, 1791 - syn of: Bostrycapulus odites R. Collin, 2005 - (CALYPTRAEIDAE)
- aculeata, Acanthocardia aculeata (C. Linnaeus, 1758) - (CARDIIDAE)
- aculeata, Centrocardita aculeata (G.S. Poli, 1795) - (CARDITIDAE)
- aculeata, Glans aculeata G.S. Poli, 1795 - syn of: Centrocardita aculeata (G.S. Poli, 1795) - (CARDITIDAE)
- aculeata, Chama aculeata G.S. Poli, 1795 - syn of: Centrocardita aculeata (G.S. Poli, 1795) - (CHAMIDAE)
- aculeata, Chama aculeata H. Strøm, 1768 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (CHAMIDAE)
- aculeata, Setomedea aculeata (C. Hedley, 1899) - (CHAROPIDAE)
- aculeata, Antalis aculeata (G.B. Sowerby, 1860) - (DENTALIIDAE)
- aculeata, Thordisa aculeata J.A. Ortea & Á. Valdés, 1995 - (DISCODORIDIDAE)
- aculeata, Spiniscala aculeata G.B. Sowerby, 1844 - syn of: Epitonium muricatum (A. Risso, 1826) - (EPITONIIDAE)
- aculeata, Helix aculeata O.F. Müller, 1774 - syn of: Acanthinula aculeata (O.F. Müller, 1774) - (HELICIDAE)
- aculeata, Hiatella aculeata H. Strøm, 1768 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (HIATELLIDAE)
- aculeata, Teretrina aculeata F. Haas, 1953 † - (MATHILDIDAE) (FOSSIL)
- aculeata, Hormotoma aculeata Billings, 1866 † - (MURCHISONIIDAE) (FOSSIL)
- aculeata, Pagodula aculeata (R.B. Watson, 1882) - (MURICIDAE)
- aculeata, Thalessa aculeata (G.P. Deshayes, 1844) - (MURICIDAE)
- aculeata, Xanthochorus aculeata (R. Tate, 1888 †) - (MURICIDAE) (FOSSIL)
- aculeata, Mancinella aculeata J.H.F. Link, 1807 - syn of: Mancinella alouina (P.F. Röding, 1798) - (MURICIDAE)
- aculeata, Purpura aculeata G.P. Deshayes, 1844 - syn of: Thalessa aculeata (G.P. Deshayes, 1844) - (MURICIDAE)
- aculeata, Rapana aculeata R. Tate, 1888 † - syn of: Xanthochorus aculeata (R. Tate, 1888 †) - (MURICIDAE) (FOSSIL)
- aculeata, Myophorella aculeata Lebküchner, 1932 † - (MYOPHORELLIDAE) (FOSSIL)
- aculeata, Neritina aculeata J.F. Gmelin, 1791 - syn of: Neritina juttingae H.K. Mienis, 1973 - (NERITIDAE)
- aculeata, Schileykula aculeata E. Gittenberger & H.P.M.G. Menkhorst, 1993 - (ORCULIDAE)
- aculeata, Orthonychia aculeata Barrois, 1889 † - (ORTHONYCHIIDAE) (FOSSIL)
- aculeata, Ostrea aculeata J.F. Gmelin, 1791 - syn of: Mimachlamys varia (C. Linnaeus, 1758) - (OSTREIDAE)
- aculeata, Patella aculeata J.F. Gmelin, 1791 - syn of: Bostrycapulus aculeatus (J.F. Gmelin, 1791) - (PATELLIDAE)
- aculeata, Scutellastra aculeata L.A. Reeve, 1855 - syn of: Scutellastra peronii (H.M.D. de Blainville, 1825) - (PATELLIDAE)
- aculeata, Mimachlamys aculeata J.F. Gmelin, 1791 - syn of: Mimachlamys varia (C. Linnaeus, 1758) - (PECTINIDAE)
- aculeata, Phenacolepas aculeata (W.H. Pease, 1868) - (PHENACOLEPADIDAE)
- aculeata, Spinoclymenia aculeata Bogoslovsky, 1962 † - (PLATYCLYMENIIDAE) (FOSSIL)
- aculeata, Pteria aculeata A. Risso, 1826 - syn of: Pteria hirundo (C. Linnaeus, 1758) - (PTERIIDAE)
- aculeata, Firoloida aculeata C.A. Lesueur, 1817 - syn of: Firoloida desmarestia C.A. Lesueur, 1817 - (PTEROTRACHEIDAE)
- aculeata, Biplex aculeata (M.M. Schepman, 1909) - (RANELLIDAE)
- aculeata, Nepotilla aculeata (W.L. May, 1916) - (RAPHITOMIDAE)
- aculeata, Pleurotomella aculeata (W.H. Webster, 1906) - (RAPHITOMIDAE)
- aculeata, Taranis aculeata W.L. May, 1916 - syn of: Nepotilla aculeata (W.L. May, 1916) - (RAPHITOMIDAE)
- aculeata, Daphnella aculeata W.H. Webster, 1906 - syn of: Pleurotomella aculeata (W.H. Webster, 1906) - (RAPHITOMIDAE)
- aculeata, Sepia aculeata J.C. van Hasselt, 1835 - (SEPIIDAE)
- aculeata, Inella aculeata S. Kosuge, 1962 - (TRIPHORIDAE)
- aculeata, Guildfordia aculeata S. Kosuge, 1979 - (TURBINIDAE)
- aculeata, Acanthinula aculeata (O.F. Müller, 1774) - (VALLONIIDAE)
- aculeata, Zeradina aculeata C.R. Laws, 1939 † - (VANIKORIDAE) (FOSSIL)
- aculeata, Spinomelon aculeata (F.W. Hutton, 1885 †) - (VOLUTIDAE) (FOSSIL)
- aculeata hirta, Anomia aculeata hirta P. Dautzenberg, 1898 - syn of: Heteranomia squamula aculeata (O.F. Müller, 1776) - (ANOMIIDAE)
- aculeata inermis, Cardita aculeata inermis T.A. de M. Monterosato, 1878 - syn of: Centrocardita aculeata (G.S. Poli, 1795) - (CARDITIDAE)
- aculeata lacunella, Pagodula aculeata lacunella W.H. Dall, 1889 - syn of: Pagodula lacunella (W.H. Dall, 1889) - (MURICIDAE)
- aculeata laevis, Heteranomia aculeata laevis P. Dautzenberg & H. Fischer, 1912 - syn of: Heteranomia squamula aculeata (O.F. Müller, 1776) - (ANOMIIDAE)
- aculeata ronchettii, Centrocardita aculeata ronchettii (M. Glibert & van der Poel, 1970 †) - (CARDITIDAE) (FOSSIL)
- Aculeatiana, syn of: Genus Acanthinula H.H. Beck, 1847 (VALLONIIDAE)
- aculeatosquamosa, Pinna aculeatosquamosa E.C. Von Martens, 1866 - syn of: Pinna nobilis C. Linnaeus, 1758 - (PINNIDAE)
- aculeatum, Hoplocrioceras aculeatum Spath, 1924 † - (ACRIOCERATIDAE) (FOSSIL)
- aculeatum, Euaspidoceras aculeatum Jeannet, 1951 † - (ASPIDOCERATIDAE) (FOSSIL)
- aculeatum, Apoderoceras aculeatum (Simpson) † - (COELOCERATIDAE) (FOSSIL)
- aculeatum, Epitonium aculeatum (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- aculeatum, Spinikosmoceras aculeatum (K.E.I. von Eichwald, 1893 †) - (KOSMOCERATIDAE) (FOSSIL)
- aculeatum, Platyceras aculeatum Barrois, 1889 † - syn of: Orthonychia aculeata Barrois, 1889 † - (PLATYCERATIDAE) (FOSSIL)
- aculeatum, Procerithium aculeatum Yamnichenko, 1987 † - syn of: Cryptaulax pseudoechinatus Gerasimov, 1955 † - (PROCERITHIIDAE) (FOSSIL)
- aculeatum perrugosa, Cardium aculeatum perrugosa C.F. Fontannes, 1882 - syn of: Acanthocardia paucicostata (G.B. II Sowerby, 1834) - (CARDIIDAE)
- aculeatum soyoae, Calliostoma aculeatum soyoae N. Ikebe, 1942 - syn of: Calliostoma soyoae N. Ikebe, 1942 - (CALLIOSTOMATIDAE)
- aculeatus, Pododesmus aculeatus O.F. Müller, 1776 - syn of: Heteranomia squamula aculeata (O.F. Müller, 1776) - (ANOMIIDAE)
- aculeatus, Bochianites aculeatus Hoedemaeker, 2016 † - (BOCHIANITIDAE) (FOSSIL)
- aculeatus, Echinosipho aculeatus P. Kaiser, 1977 - syn of: Americominella longisetosus (Z.J.A. De Castellanos & C. Fernández, 1972) - (BUCCINIDAE)
- aculeatus, Tristichotrochus aculeatus (G.B. III Sowerby, 1912) - (CALLIOSTOMATIDAE)
- aculeatus, Bostrycapulus aculeatus (J.F. Gmelin, 1791) - (CALYPTRAEIDAE)
- aculeatus, Epitonium aculeatus T. Allan, 1818 - syn of: Epitonium muricatum (A. Risso, 1826) - (EPITONIIDAE)
- aculeatus, Monachoides aculeatus (K.K. Uvalieva, 1964) - (HYGROMIIDAE)
- aculeatus, Aculopileus aculeatus Kerber, 1988 † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- aculeatus, Typhis aculeatus P. Vella, 1961 † - (MURICIDAE) (FOSSIL)
- aculeatus, Triplex aculeatus (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- aculeatus, Murex aculeatus W. Wood, 1828 - syn of: Murexsul zeteki (L.G. Hertlein & A.M. Strong, 1951) - (MURICIDAE)
- aculeatus, Abdopus aculeatus (A.V.M.D. D'Orbigny, 1834) - (OCTOPODIDAE)
- aculeatus, Paludomus aculeatus (J.F. Gmelin, 1791) - (PALUDOMIDAE)
- aculeatus, Palliolum aculeatus J.G. Jeffreys, 1838 - syn of: Palliolum striatum (O.F. Müller, 1776) - (PECTINIDAE)
- aculeatus, Spondylus aculeatus K. Schreibers, 1793 - syn of: Spondylus variegatus K. Schreibers, 1793 - (SPONDYLIDAE)
- aculeatus, Spondylus aculeatus W.J. Broderip, 1833 - syn of: Spondylus nicobaricus K. Schreibers, 1793 - (SPONDYLIDAE)
- aculeatus, Lambis aculeatus G. Perry, 1811 - syn of: Lambis crocata (J.H.F. Link, 1807) - (STROMBIDAE)
- aculeatus, Seimkanites aculeatus (Bychkov, 1976 †) - (TRACHYCERATIDAE) (FOSSIL)
- aculeatus, Turbo aculeatus T. Allan, 1818 - syn of: Epitonium muricatum (A. Risso, 1826) - (TURBINIDAE)
- aculeatus, Macromphalus aculeatus (C. Hedley, 1900) - (VANIKORIDAE)
- aculeatus aliguayensis, Tristichotrochus aculeatus aliguayensis G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (CALLIOSTOMATIDAE)
- aculeatus fortis, Bostrycapulus aculeatus fortis (J.J. Parodíz, 1939) - (CALYPTRAEIDAE)
- aculeiformis, Perrona aculeiformis (J.B.P.A. Lamarck, 1816) - (CLAVATULIDAE)
- aculeiformis, Pusionella aculeiformis J.B.P.A. Lamarck, 1816 - syn of: Perrona aculeiformis (J.B.P.A. Lamarck, 1816) - (CLAVATULIDAE)
- aculeiformis, Fusiconus aculeiformis (L.A. Reeve, 1844) - (CONIDAE)
- aculeiformis, Bathyconus aculeiformis (L.A. Reeve, 1844) - syn of: Fusiconus aculeiformis (L.A. Reeve, 1844) - (CONIDAE)
- aculeiformis, Fusus aculeiformis J.B.P.A. Lamarck, 1816 - syn of: Perrona aculeiformis (J.B.P.A. Lamarck, 1816) - (FASCIOLARIIDAE)
- aculeiformis, Dolicholatirus aculeiformis G.B. I Sowerby, 1833 - syn of: Dolicholatirus lancea (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- aculeiformis intuslirata, Perrona aculeiformis intuslirata H. Strebel, 1914 - (CLAVATULIDAE)
- aculeiformis torensis, Conus aculeiformis torensis R. Sturany, 1904 - syn of: Fusiconus elegans (G.B. III Sowerby, 1895) - (CONIDAE)
- aculeitecta, Sialoherpia aculeitecta L. Salvini-Plawén, 1978 - (SIMROTHIELLIDAE)
- aculeola, Tasmadaphne aculeola (C. Hedley, 1915) - (RAPHITOMIDAE)
- aculeosa, Annularia hilliana aculeosa (C.B. Adams, 1849) - (POMATIIDAE)
- aculeus, Paladilhiopsis aculeus Y.I. Starobogatov, 1962 - (MOITESSIERIIDAE)
- aculeus, Turbonilla aculeus (C.B. Adams, 1852) - (PYRAMIDELLIDAE)
- aculeus, Onoba aculeus (Gould, 1841) - (RISSOIDAE)
- aculiferum, Pseudancylastrum aculiferum Y.I. Starobogatov, 1989 - (ACROLOXIDAE)
- Aculopileus, Genus Aculopileus Kerber, 1988 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- aculus, Euphaedusa aculus (W.H. Benson, 1842) - (CLAUSILIIDAE)
- aculus coreana, Euphaedusa aculus coreana O.F. von Möllendorff, 1885 - (CLAUSILIIDAE)
- aculus fulvella, Euphaedusa aculus fulvella P.M. Heude, 1882 - (CLAUSILIIDAE)
- aculus gracilis, Euphaedusa aculus gracilis T.C. Yen, 1939 - (CLAUSILIIDAE)
- aculus insularis, Euphaedusa aculus insularis (P.M. Heude, 1882) - (CLAUSILIIDAE)
- aculus labio, Euphaedusa aculus labio P.V. Gredler, 1878 - (CLAUSILIIDAE)
- aculus mesimana, Euphaedusa aculus mesimana J.T. Kuroda, 1973 - (CLAUSILIIDAE)
- aculus moellendorffi, Euphaedusa aculus moellendorffi (E.C. Von Martens, 1874) - (CLAUSILIIDAE)
- aculus mokpoensis, Euphaedusa aculus mokpoensis H.A. Pilsbry & Y. Hirase, 1908 - (CLAUSILIIDAE)
- aculus nankingensis, Euphaedusa aculus nankingensis P.M. Heude, 1882 - (CLAUSILIIDAE)
- aculus orphanuli, Euphaedusa aculus orphanuli (P.M. Heude, 1882) - (CLAUSILIIDAE)
- aculus papillacea, Euphaedusa aculus papillacea P.V. Gredler, 1884 - (CLAUSILIIDAE)
- aculus shanghaiensis, Euphaedusa aculus shanghaiensis (L. Pfeiffer, 1852) - (CLAUSILIIDAE)
- acumen, Hastula acumen (G.P. Deshayes, 1859) - (TEREBRIDAE)
- Acuminachites, syn of: Genus Halkieria Poulsen, 1967 † (HALKIERIIDAE) (FOSSIL)
- acuminata, Achatinella acuminata A.A. Gould, 1847 - syn of: Leptachatina acuminata (A.A. Gould, 1847) - (ACHATINELLIDAE)
- acuminata, Limicolaria flammulata acuminata E.C. Von Martens, 1895 - (ACHATINIDAE)
- acuminata, Leptachatina acuminata (A.A. Gould, 1847) - (AMASTRIDAE)
- acuminata, Amastra subrostrata acuminata C.M. Cooke, 1933 - (AMASTRIDAE)
- acuminata, Alexandromenia acuminata L. Salvini-Plawén, 1978 - (AMPHIMENIIDAE)
- acuminata, Ampullospira acuminata (J.B.P.A. Lamarck, 1804 †) - (AMPULLINIDAE) (FOSSIL)
- acuminata, Amaurellina acuminata J.B.P.A. Lamarck, 1804 † - syn of: Ampullospira acuminata (J.B.P.A. Lamarck, 1804 †) - (AMPULLINIDAE) (FOSSIL)
- acuminata, Ancilla acuminata (G.B. II Sowerby, 1859) - (ANCILLARIIDAE)
- acuminata, Alaria acuminata L.É.S. Piette, 1856 † - syn of: Dicroloma acuminatum (L.É.S. Piette, 1856 †) - (APORRHAIDAE) (FOSSIL)
- acuminata, Arca acuminata C.F.F. von Krauss, 1848 - (ARCIDAE)
- acuminata, Cominella acuminata F.W. Hutton, 1893 - (BUCCINIDAE)
- acuminata, Siphonalia acuminata A. Adams, 1863 - syn of: Nassaria acutispirata (G.B. III Sowerby, 1913) - (BUCCINIDAE)
- acuminata, Neptunea antiqua acuminata J.G. Jeffreys, 1867 - (BUCCINIDAE)
- acuminata, Neptunea lamellosa acuminata A.N. Golikov, 1962 - (BUCCINIDAE)
- acuminata, Bulla acuminata J.G. Bruguière, 1792 - syn of: Volvulella acuminata (J.G. Bruguière, 1792) - (BULLIDAE)
- acuminata, Bulla acuminata T.A. Conrad, 1830 † - syn of: Volvula iota (T.A. Conrad, 1843 †) - (BULLIDAE) (FOSSIL)
- acuminata, Cancellaria acuminata G.B. I Sowerby, 1832 - syn of: Cancellaria obesa Sowerby, 1832 - (CANCELLARIIDAE)
- acuminata, Guzzyella acuminata Alencaster, 1998 † - (CAPRINULOIDEIDAE) (FOSSIL)
- acuminata, Trichotropis acuminata J.G. Jeffreys, 1867 - syn of: Ariadnaria borealis (W.J. Broderip & G.B. I Sowerby, 1829) - (CAPULIDAE)
- acuminata, Synthopsis acuminata B.A. Marshall, 1978 - (CERITHIOPSIDAE)
- acuminata, Cerithiopsis acuminata A. Hallgass, 1985 - syn of: Cerithiopsis barleei J.G. Jeffreys, 1867 - (CERITHIOPSIDAE)
- acuminata, Chilina acuminata G.B. II Sowerby, 1874 - (CHILINIDAE)
- acuminata, Mucronaria acuminata (A. Mousson, 1876) - (CLAUSILIIDAE)
- acuminata, Symptychiella acuminata H. Nordsieck, 2010 - (CLAUSILIIDAE)
- acuminata, Mitrella acuminata K.T. Menke, 1843 - (COLUMBELLIDAE)
- acuminata, Amphissa acuminata (E.A. Smith, 1915) - (COLUMBELLIDAE)
- acuminata, Crassatina acuminata G.B. Sowerby, 1890 - syn of: Crenocrassatella sowerbyi (É. Lamy, 1917) - (CRASSATELLIDAE)
- acuminata, Crassatina acuminata W. Kobelt, 1886 - syn of: Crenocrassatella sowerbyi (É. Lamy, 1917) - (CRASSATELLIDAE)
- acuminata, Cymaclymenia acuminata Ruan & P. Wei, 1991 † - (CYMACLYMENIIDAE) (FOSSIL)
- acuminata, Dimya acuminata C. Esteves, 1984 - (DIMYIDAE)
- acuminata, Iredalea acuminata (J.W. Mighels, 1848) - (DRILLIIDAE)
- acuminata, Ovatella acuminata P.M.A. Morelet, 1889 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- acuminata, Eocypraea acuminata Schafhausen † - (EOCYPRAEIDAE) (FOSSIL)
- acuminata, Acrilla acuminata (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- acuminata, Amaea acuminata J.R. le B. Tomlin, 1923 - syn of: Amaea minor (G.B. II Sowerby, 1873) - (EPITONIIDAE)
- acuminata, Amberleya acuminata Terquem & L.É.S. Piette, 1868 † - (EUCYCLIDAE) (FOSSIL)
- acuminata, Cornisepta acuminata (R.B. Watson, 1883) - (FISSURELLIDAE)
- acuminata, Gadila acuminata (R. Tate, 1887) - (GADILIDAE)
- acuminata, Gastrocopta acuminata (Klein, 1846) † - (GASTROCOPTIDAE) (FOSSIL)
- acuminata, Spiroscala acuminata (A. Thomas, 1940 †) - (GOSSELETINIDAE) (FOSSIL)
- acuminata, Smaragdinella acuminata G.B. I Sowerby, 1870 - syn of: Smaragdinella calyculata (W.J. Broderip & G.B. I Sowerby, 1829) - (HAMINOEIDAE)
- acuminata, Ustronia acuminata (G.T. Velazquez in F. Poey, 1852) - (HELICINIDAE)
- acuminata, Eutrochatella acuminata F. Poey, 1852 - syn of: Ustronia acuminata (G.T. Velazquez in F. Poey, 1852) - (HELICINIDAE)
- acuminata, Prososthenia acuminata P.S. Pavlovic, 1927 † - (HYDROBIIDAE) (FOSSIL)
- acuminata, Jardinella acuminata W.F. Ponder & K.B. Clark, 1990 - (HYDROBIIDAE)
- acuminata, Littorina acuminata A.A. Gould, 1849 - syn of: Littoraria undulata (Gray, 1826) - (LITTORINIDAE)
- acuminata, Lophospira acuminata Ulrich & Scofield, 1897 † - syn of: Lophospira perangulata (J.W. Hall, 1847 †) - (LOPHOSPIRIDAE) (FOSSIL)
- acuminata, Asteracmea acuminata (J.P.S. Grateloup, 1828 †) - (LOTTIIDAE) (FOSSIL)
- acuminata, Loxonema acuminata J. Perner, 1907 † - syn of: Loxonema sinuosa (J. de C. Sowerby & Murchison, 1839 †) - (LOXONEMATIDAE) (FOSSIL)
- acuminata, Radix acuminata (J.B.P.A. Lamarck, 1822) - (LYMNAEIDAE)
- acuminata, Lymnaea acuminata G.P. Deshayes, 1825 † - (LYMNAEIDAE) (FOSSIL)
- acuminata, Palliseria acuminata (Billings, 1865 †) - (MACLURITIDAE) (FOSSIL)
- acuminata, Conodia acuminata Stinchcomb & Darrough, 1995 † - (MATTHEVIIDAE) (FOSSIL)
- acuminata, Cambodgia acuminata A. Nützel & Ketwetsuriya, 2016 † - (MEEKOSPIRIDAE) (FOSSIL)
- acuminata, Meekospira acuminata G.A. Goldfuss, 1832 † - syn of: Palaeostylus acuminatus (G.A. Goldfuss, 1832 †) - (MEEKOSPIRIDAE) (FOSSIL)
- acuminata, Melanopsis acuminata Gümbel, 1861 † - (MELANOPSIDAE) (FOSSIL)
- acuminata, Melanopsis acuminata Seninski, 1905 † - syn of: Melanopsis seninskii W.A. Wenz, 1928 † - (MELANOPSIDAE) (FOSSIL)
- acuminata, Melanopsis acuminata P.M. Pallary, 1901 † - syn of: Melanopsis pallaryi W.A. Wenz, 1919 † - (MELANOPSIDAE) (FOSSIL)
- acuminata, Melanopsis acuminata C.L.F. von Sandberger † - syn of: Melanopsis acuminata Gümbel, 1861 † - (MELANOPSIDAE) (FOSSIL)
- acuminata, Strigatella acuminata (W.J. Swainson, 1824) - (MITRIDAE)
- acuminata, Cancilla acuminata T. Shuto, 1969 - syn of: Cancilla isabella (W.J. Swainson, 1831) - (MITRIDAE)
- acuminata, Cymatonota acuminata Ulrich 1894 † - (MODIOMORPHIDAE) (FOSSIL)
- acuminata, Hormotoma acuminata Parks, 1915 † - (MURCHISONIIDAE) (FOSSIL)
- acuminata, Nucella acuminata G.B. I Sowerby, 1835 - syn of: Acanthina monodon (P.S. Pallas, 1774) - (MURICIDAE)
- acuminata, Nucella acuminata A. Carcelles, 1954 - syn of: Acanthina unicornis (J.G. Bruguière, 1789) - (MURICIDAE)
- acuminata, Murex acuminata W. Wood, 1828 - syn of: Pustulatirus mediamericanus (L.G. Hertlein & A.M. Strong, 1951) - (MURICIDAE)
- acuminata, Modiolus acuminata Sowerby, 1829 † - syn of: Liebea septifer (King, 1844 †) - (MYTILIDAE) (FOSSIL)
- acuminata, Nassaria acuminata (L.A. Reeve, 1844) - (NASSARIIDAE)
- acuminata, Nassa acuminata F.P. Marrat, 1880 - syn of: Nassarius acuminatus (F.P. Marrat, 1880) - (NASSARIIDAE)
- acuminata, Nerinea acuminata Moore † - (NERINEIDAE) (FOSSIL)
- acuminata, Saccella acuminata (von Buch, 1845 †) - (NUCULANIDAE) (FOSSIL)
- acuminata, Leda acuminata J.G. Jeffreys, 1870 - syn of: Ledella messanensis (J.G. Jeffreys, 1870) - (NUCULANIDAE)
- acuminata, Nuculana acuminata G.B. Sowerby, 1871 - syn of: Nuculana robsoni B. Prashad, 1932 - (NUCULANIDAE)
- acuminata, Nucula acuminata K.E.I. von Eichwald, 1853 - syn of: Saccella commutata (R.A. Philippi, 1844) - (NUCULIDAE)
- acuminata, Agaronia acuminata (J.B.P.A. Lamarck, 1811) - (OLIVIDAE)
- acuminata, Hypergonia acuminata (de Koninck, 1883 †) - (ORTHONEMIDAE) (FOSSIL)
- acuminata, Liostrea acuminata (Sowerby, 1816 †) - (OSTREIDAE) (FOSSIL)
- acuminata, Simnialena acuminata (G.B. II Sowerby in A. Adams & L.A. Reeve, 1848) - (OVULIDAE)
- acuminata, Transovula acuminata (Melleville, 1843) † - (OVULIDAE) (FOSSIL)
- acuminata, Phenacovolva acuminata A. Adams & L.A. Reeve, 1848 - syn of: Simnialena acuminata (G.B. II Sowerby in A. Adams & L.A. Reeve, 1848) - (OVULIDAE)
- acuminata, Palaeorissoina acuminata J. Gründel, 1999 † - syn of: Bralitzia acuminata (J. Gründel, 1999 †) - (PALAEORISSOINIDAE) (FOSSIL)
- acuminata, Patella acuminata J.P.S. Grateloup, 1828 † - syn of: Asteracmea acuminata (J.P.S. Grateloup, 1828 †) - (PATELLIDAE) (FOSSIL)
- acuminata, Pharella acuminata (S.C.T. Hanley, 1842) - (PHARIDAE)
- acuminata, Parapholas acuminata (G.B. I Sowerby, 1834) - (PHOLADIDAE)
- acuminata, Pholadomya acuminata Hartmann, 1830 † - (PHOLADOMYIDAE) (FOSSIL)
- acuminata, Stenophysa acuminata (J.E. Gray & G.B. Sowerby, 1873) - (PHYSIDAE)
- acuminata, Agnesia acuminata J. Wanner, 1942 † - (PORCELLIIDAE) (FOSSIL)
- acuminata, Proneomenia acuminata A. Wirén, 1892 - (PRONEOMENIIDAE)
- acuminata, Sanguinolaria acuminata L.A. Reeve, 1857 - syn of: Hiatula diphos (C. Linnaeus, 1771) - (PSAMMOBIIDAE)
- acuminata, Plocezyga acuminata Hoare & Sturgeon, 1980 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- acuminata, Pseudozygopleura acuminata Knight, 1930 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- acuminata, Menestho acuminata H.B. Preston, 1908 - (PYRAMIDELLIDAE)
- acuminata, Volvulella acuminata (J.G. Bruguière, 1792) - (RHIZORIDAE)
- acuminata, Alvania acuminata A.A. Gould, 1861 - syn of: Cerithidium perparvulum (R.B. Watson, 1886) - (RISSOIDAE)
- acuminata, Bralitzia acuminata (J. Gründel, 1999 †) - (RISSOINIDAE) (FOSSIL)
- acuminata, Finella acuminata A.A. Gould, 1861 - (SCALIOLIDAE)
- acuminata, Scenella acuminata C. Chen & al., 1981 † - (SCENELLIDAE) (FOSSIL)
- acuminata, Sepia acuminata E.A. Smith, 1916 - (SEPIIDAE)
- acuminata, Pterocera acuminata L.É.S. Piette, 1856 † - syn of: Dicroloma acuminatum (L.É.S. Piette, 1856 †) - (STROMBIDAE) (FOSSIL)
- acuminata, Pelicaria acuminata J. Marwick, 1924 - syn of: Pelicaria vermis (T. Martyn, 1784) - (STRUTHIOLARIIDAE)
- acuminata, Struthiolaria acuminata J. Marwick, 1924 - syn of: Pelicaria vermis (T. Martyn, 1784) - (STRUTHIOLARIIDAE)
- acuminata, Fusispira acuminata Pitcher † - (SUBULITIDAE) (FOSSIL)
- acuminata, Tellina acuminata (S.C.T. Hanley, 1843) - (TELLINIDAE)
- acuminata, Omala acuminata S.C.T. Hanley, 1843 - syn of: Tellina acuminata (S.C.T. Hanley, 1843) - (TELLINIDAE)
- acuminata, Terebra acuminata S. Borson, 1820 † - (TEREBRIDAE) (FOSSIL)
- acuminata, Hastula acuminata J.B.P.A. Lamarck, 1822 - syn of: Impages cinerea (I. von Born, 1778) - (TEREBRIDAE)
- acuminata, Terebra acuminata L.A. Reeve, 1860 - syn of: Hastula exacuminata F. Sacco, 1891 - (TEREBRIDAE)
- acuminata, Marionia acuminata O.G. Costa, 1840 - syn of: Marionia blainvillea (A. Risso, 1818) - (TRITONIIDAE)
- acuminata, Trivia acuminata Schilder, 1932 - syn of: Trivia monacha (da Costa, 1778) - (TRIVIIDAE)
- acuminata, Trivia acuminata F.A. Schilder, 1932 - syn of: Trivia monacha (da Costa, 1778) - (TRIVIIDAE)
- acuminata, Stomatia acuminata J.F. Gmelin, 1791 - (TROCHIDAE)
- acuminata, Turbinella acuminata L.C. Kiener, 1840 - syn of: Latirus acuminatus (L.C. Kiener, 1840) - (TURBINELLIDAE)
- acuminata, Pleurotoma acuminata J.W. Mighels, 1845 - syn of: Pyrgocythara mighelsi (E.A. Kay, 1979) - (TURRIDAE)
- acuminata, Nitia acuminata (C.B. Adams, 1866) - (UNIONIDAE)
- acuminata, Cincinna piscinalis acuminata J.G. Jeffreys, 1862 - (VALVATIDAE)
- acuminata, Hinemoana acuminata (F.W. Hutton, 1873 †) - (VENERIDAE) (FOSSIL)
- acuminata, Macrocallista acuminata W.H. Dall, 1903 † - (VENERIDAE) (FOSSIL)
- acuminata, Tapes acuminata G.B. II Sowerby, 1854 - syn of: Polititapes aureus (J.F. Gmelin, 1791) - (VENERIDAE)
- acuminata, Alcithoe wilsonae acuminata P. Bail & A. Limpus, 2005 - (VOLUTIDAE)
- acuminata, Yoldiella acuminata J.G. Jeffreys, 1870 - syn of: Ledella messanensis (J.G. Jeffreys, 1870) - (YOLDIIDAE)
- acuminata bitubercularis, Nassaria acuminata bitubercularis (A. Adams, 1851) - syn of: Nassaria bitubercularis (A. Adams, 1851) - (NASSARIIDAE)
- acuminata boavistensis, Agaronia acuminata boavistensis (L.P. Burnay & Conceicao, 1986) - (OLIVIDAE)
- acuminata brevis, Volvulella acuminata brevis H.A. Pilsbry - (RHIZORIDAE)
- acuminata dayi, Arca acuminata dayi P.G. Oliver & H.C.G. Chesney, 1994 - syn of: Arca ocellata L.A. Reeve, 1844 - (ARCIDAE)
- acuminata eugenei, Eocypraea acuminata eugenei G.P. Deshayes, 1865 † - syn of: Eocypraea acuminata eugeni (G.P. Deshayes, 1865 †) - (EOCYPRAEIDAE) (FOSSIL)
- acuminata eugeni, Eocypraea acuminata eugeni (G.P. Deshayes, 1865 †) - (EOCYPRAEIDAE) (FOSSIL)
- acuminata neglecta, Terebra acuminata neglecta O.G. Michelotti, 1847 † - (TEREBRIDAE) (FOSSIL)
- acuminata oxytata, Volvula acuminata oxytata K.J. Bush, 1885 - syn of: Volvulella oxytata (K.J. Bush, 1885) - (ACTEOCINIDAE)
- acuminata pergranulari, Terebra acuminata pergranulari F. Sacco, 1891 † - syn of: Impages cinerea pergranulari F. Sacco, 1891 † - (TEREBRIDAE) (FOSSIL)
- acuminata rufescens, Radix acuminata rufescens (J.E. Gray) - (LYMNAEIDAE)
- acuminata subnormalis, Arca acuminata subnormalis H.A. Pilsbry, 1895 - syn of: Arca patriarchalis P.F. Röding, 1798 - (ARCIDAE)
- acuminator, Strophiops acuminator H.A. Pilsbry & E.G. Vanatta, 1896 - syn of: Cerion eleutherae H.A. Pilsbry & E.G. Vanatta, 1896 - (CERIONIDAE)
- acuminatum, Dicroloma acuminatum (L.É.S. Piette, 1856 †) - (APORRHAIDAE) (FOSSIL)
- acuminatum, Buccinum acuminatum K.T. Menke, 1843 - syn of: Mitrella menkeana (L.A. Reeve, 1858) - (BUCCINIDAE)
- acuminatum, Buccinum undatum acuminatum C. Linnaeus, 1758 - (BUCCINIDAE)
- acuminatum, Vexillum acuminatum (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- acuminatum, Diestoceras acuminatum E. Strand, 1934 † - (DIESTOCERATIDAE) (FOSSIL)
- acuminatum, Lyrodesma acuminatum Ulrich, 1894 † - (LYRODESMATIDAE) (FOSSIL)
- acuminatum, Agasoma acuminatum Anderson & Martin, 1915 † - (ORTHONEMIDAE) (FOSSIL)
- acuminatum, Styloptygma acuminatum A.A. Gould, 1861 - (PYRAMIDELLIDAE)
- acuminatum, Pilina acuminatum E.F.R.K. Koken & J. Perner, 1925 † - (TRYBLIDIIDAE) (FOSSIL)
- acuminatum polita, Vexillum acuminatum polita L.A. Reeve, 1844 - syn of: Vexillum acuminatum politum (L.A. Reeve, 1844) - (COSTELLARIIDAE)
- acuminatum politum, Vexillum acuminatum politum (L.A. Reeve, 1844) - (COSTELLARIIDAE)
- acuminatus, Drymaeus acuminatus S.I. Da Costa, 1906 - (BULIMULIDAE)
- acuminatus, Joculator acuminatus A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- acuminatus, Conus acuminatus S. Borson, 1820 † - (CONIDAE) (FOSSIL)
- acuminatus, Conus acuminatus C.H. Hwass in J.G. Bruguière, 1792 - syn of: Leptoconus locumtenens (J.F. Blumenbach, 1791) - (CONIDAE)
- acuminatus, Straparollus acuminatus Frýda, 1998 † - (EUOMPHALIDAE) (FOSSIL)
- acuminatus, Latirus acuminatus (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- acuminatus, Cadulus acuminatus R. Tate, 1887 † - (GADILIDAE) (FOSSIL)
- acuminatus, Parachiton acuminatus (K.H.J. Thiele, 1909) - (LEPTOCHITONIDAE)
- acuminatus, Loligosepia acuminatus Voltz, 1840 † - syn of: Loligosepia bucklandi Voltz, 1840 † - (LOLIGOSEPIIDAE) (FOSSIL)
- acuminatus, Trophon acuminatus H. Strebel, 1904 - syn of: Xymenopsis muriciformis (P.P. King, 1832) - (MURICIDAE)
- acuminatus, Murex acuminatus T. Pennant, 1777 - syn of: Bittium reticulatum (E.M. Da Costa, 1778) - (MURICIDAE)
- acuminatus, Nassarius acuminatus (F.P. Marrat, 1880) - (NASSARIIDAE)
- acuminatus, Phos acuminatus Martin, 1879 † - (NASSARIIDAE) (FOSSIL)
- acuminatus, Sigaretus acuminatus A. Adams & L.A. Reeve, 1850 - syn of: Conuber conicum (J.B.P.A. Lamarck, 1822) - (NATICIDAE)
- acuminatus, Palaeostylus acuminatus (G.A. Goldfuss, 1832 †) - (PALAEOSTYLIDAE) (FOSSIL)
- acuminatus, Cyclopecten acuminatus Waller, 2011 † - (PROPEAMUSSIIDAE) (FOSSIL)
- acuminatus, Triton acuminatus L.A. Reeve, 1881 - syn of: Nassaria acuminata (L.A. Reeve, 1844) - (RANELLIDAE)
- acuminatus, Rhizorus acuminatus J.G. Bruguière, 1792 - syn of: Volvulella acuminata (J.G. Bruguière, 1792) - (RHIZORIDAE)
- acuminatus, Schizodus acuminatus Hoare & al., 1978 † - (SCHIZODIDAE) (FOSSIL)
- acuminatus, Soleniscus acuminatus Mansuy, 1914 † - (SOLENISCIDAE) (FOSSIL)
- acuminatus, Tellinides acuminatus S.C.T. Hanley, 1843 - syn of: Tellina acuminata (S.C.T. Hanley, 1843) - (TELLINIDAE)
- acuminatus, Trochus acuminatus W. Wood, 1828 - syn of: Bembicium nanum (J.B.P.A. Lamarck, 1822) - (TROCHIDAE)
- acuminatus, Trochus acuminatus G. Perry, 1811 - syn of: Cantharidus opalus (T. Martyn, 1784) - (TROCHIDAE)
- acuminatus, Cantharidus acuminatus G. Perry, 1811 - syn of: Cantharidus opalus (T. Martyn, 1784) - (TROCHIDAE)
- acuminatus, Costellipitar acuminatus (G.B. II Sowerby, 1851) - (VENERIDAE)
- acuminatus, Onustus acuminatus Hudleston † - (XENOPHORIDAE) (FOSSIL)
- acuminella, Maorimactra acuminella Finlay, 1930 † - (MACTRIDAE) (FOSSIL)
- Acuminia, syn of: Genus Hastula H. Adams & A. Adams, 1853 (TEREBRIDAE)
- acuminien, Donax retusus acuminien A.E.M. Cossmann, 1886 † - (DONACIDAE) (FOSSIL)
- acuminiense, Diastoma acuminiense A.E.M. Cossmann, 1882 † - (DIASTOMATIDAE) (FOSSIL)
- acuminiensis, Crisposcala acuminiensis (de Boury, 1883 †) - (EPITONIIDAE) (FOSSIL)
- acumininense, Diastoma acumininense A.E.M. Cossmann, 1882 † - (DIASTOMATIDAE) (FOSSIL)
- acuminulatum, Buccinum acuminulatum A.N. Golikov, 1980 - (BUCCINIDAE)
- acupicta, Arca acupicta J.M.R.M. Viader, 1951 - syn of: Samacar strabo (C. Hedley, 1915) - (ARCIDAE)
- acupicta, Mitra acupicta L.A. Reeve, 1844 - syn of: Vexillum acupictum (L.A. Reeve, 1845) - (MITRIDAE)
- acupicta, Folinella acupicta Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- acupictum, Vexillum acupictum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- acupictum, Costellaria acupictum A. Hinton, 1972 - syn of: Vexillum rodgersi R. Salisbury & J. Wolff, 2005 - (COSTELLARIIDAE)
- acupictum japonica, Costellaria acupictum japonica A. Adams, 1864 - syn of: Vexillum japonicum A. Adams, 1864 - (COSTELLARIIDAE)
- acupuncta, Melliteryx acupuncta (C. Hedley, 1902) - (LASAEIDAE)
- Acupurpura, syn of: Genus Murex C. Linnaeus, 1758 (MURICIDAE)
- Acura, syn of: Genus Phylliroe F. Péron & C.A. Lesueur, 1810 (PHYLLIROIDAE)
- acurugata, Drillia acurugata W.H. Dall, 1890 † - syn of: Strictispira acurugata (W.H. Dall, 1890 †) - (DRILLIIDAE) (FOSSIL)
- acurugata, Pyrgospira acurugata W.H. Dall, 1890 † - syn of: Strictispira acurugata (W.H. Dall, 1890 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- acurugata, Strictispira acurugata (W.H. Dall, 1890 †) - (STRICTISPIRIDAE) (FOSSIL)
- acurvatus, Planisphinctes acurvatus (Wetzel †) - (PERISPHINCTIDAE) (FOSSIL)
- acus, Aesopus acus L.A. Reeve, 1859 - syn of: Aesopus obesus (R.B. Hinds, 1844) - (COLUMBELLIDAE)
- acus, Creseis acus J.F. von Eschscholtz, 1829 - syn of: Creseis clava (P.C.A.S.L. Rang, 1828) - (CRESEIDAE)
- acus, Entogonites acus W. Korn & Titus, 2011 † - (ENTOGONITIDAE) (FOSSIL)
- acus, Cylindriscala acus (R.B. Watson, 1883) - (EPITONIIDAE)
- acus, Dolicholatirus acus (A. Adams & L.A. Reeve, 1848) - (FASCIOLARIIDAE)
- acus, Coilostele acus (L. Pfeiffer, 1853) - (FERUSSACIIDAE)
- acus, Gadila acus W.H. Dall, 1889 - syn of: Gadila dominguensis (A.V.M.D. D'Orbigny, 1853) - (GADILIDAE)
- acus, Eremarionta rowelli acus H.A. Pilsbry, 1939 - (HELMINTHOGLYPTIDAE)
- acus, Coralliofusus acus (J.T. Kuroda, 1953) - (MURICIDAE)
- acus, Nerinea acus F.A. Roemer, 1849 † - (NERINEIDAE) (FOSSIL)
- acus, Nerinella acus F.A. Roemer, 1849 † - syn of: Nerinea acus F.A. Roemer, 1849 † - (NERINELLIDAE) (FOSSIL)
- acus, Faunus acus R.P. Lesson, 1831 - syn of: Faunus ater (C. Linnaeus, 1758) - (PACHYCHILIDAE)
- acus, Pseudocyrtoceras acus (Koninck, 1880 †) - (PSEUDORTHOCERATIDAE) (FOSSIL)
- acus, Pyramidella acus (J.F. Gmelin, 1791) - (PYRAMIDELLIDAE)
- acus, Turbonilla acus (L. Pfeiffer, 1840) - (PYRAMIDELLIDAE)
- acus, Teretia acus (K.H. Barnard, 1958) - (RAPHITOMIDAE)
- acus, Mirapex acus (R.J. Shuttleworth, 1852) - (SPIRAXIDAE)
- acus, Spirostylus acus E.A.L. Kittl, 1894 † - (SPIROSTYLIDAE) (FOSSIL)
- acus, Potamopyrgus acus M. Haase, 2008 - (TATEIDAE)
- Acus, syn of: Genus Oxymeris W.H. Dall, 1903 (TEREBRIDAE)
- acus, Tomelasmus acus C. de la Torre & P. Bartsch, 2008 - (UROCOPTIDAE)
- acus, Tetrentodon acus C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- acus, Volutifusus acus E.J. Petuch, 1988 † - (VOLUTIDAE) (FOSSIL)
- acus bartschi, Tomelasmus acus bartschi (C.G. Aguayo, 1932) - (UROCOPTIDAE)
- acus culminis, Tomelasmus acus culminis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- acus dolorisensis, Tomelasmus acus dolorisensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- acus minor, Tomelasmus acus minor C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- acus parcicostata, Epitonium acus parcicostata P. Dautzenberg & M.E.A. de Boury, 1897 - syn of: Cylindriscala acus (R.B. Watson, 1883) - (EPITONIIDAE)
- acus paucicostata, Epitonium acus paucicostata P. Dautzenberg & M.E.A. de Boury, 1897 - syn of: Cylindriscala acus (R.B. Watson, 1883) - (EPITONIIDAE)
- acusacuta, Eulimella acusacuta A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- acusangusta, Eulimella acusangusta A. Peñas & E. Rolán, 1997 - syn of: Eulimella polygyrata P. Dautzenberg, 1912 - (PYRAMIDELLIDAE)
- acusbifasciata, Syrnola acusbifasciata A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- acusgradata, Syrnola acusgradata A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- acusiformis, Syrnola acusiformis S. Nomura, 1938 - (PYRAMIDELLIDAE)
- acussata, Cernuella acussata W. Kobelt, 1907 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- Acusta, Subgenus Bradybaena (Acusta) E.C. Von Martens in J.A. Albers, 1860 (BRADYBAENIDAE)
- acustina, Bradybaena acustina O.F. von Möllendorff, 1899 - (BRADYBAENIDAE)
- acustina concinna, Bradybaena acustina concinna H.A. Pilsbry, 1934 - (BRADYBAENIDAE)
- acusvesta, Volvarina acusvesta (A.A. Olsson & A. Harbison, 1953 †) - (MARGINELLIDAE) (FOSSIL)
- acuta, Pukunia acuta C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- acuta, Achatinella acuta W.J. Swainson - syn of: Amastra spirizona (A.E.J. Férussac, 1834) - (ACHATINELLIDAE)
- acuta, Achatinella acuta W. Newcomb - syn of: Amastra elongata (W. Newcomb, 1853) - (ACHATINELLIDAE)
- acuta, Aclis acuta (J.G. Jeffreys, 1884) - (ACLIDIDAE)
- acuta, Raulinia acuta (C.L.F. von Sandberger, 1859 †) - (AMATHINIDAE) (FOSSIL)
- acuta, Ampullina acuta (J.B.P.A. Lamarck, 1804 †) - (AMPULLINIDAE) (FOSSIL)
- acuta, Amalda acuta T. Ninomiya, 1991 - (ANCILLARIIDAE)
- acuta, Carbonicola acuta (Sowerby, 1821 †) - (ANTHRACOSIIDAE) (FOSSIL)
- acuta, Dimorphosoma acuta (A.V.M.D. D'Orbigny, 1843 †) - (APORRHAIDAE) (FOSSIL)
- acuta, Discotectonica acuta (J.E. Tenison-Woods, 1879 †) - (ARCHITECTONICIDAE) (FOSSIL)
- acuta, Architectonica acuta T.A. Conrad, 1854 † - (ARCHITECTONICIDAE) (FOSSIL)
- acuta, Asperarca acuta Berezovsky, 2014 † - (ARCIDAE) (FOSSIL)
- acuta, Sitala acuta (E. Fischer-Piette, Ch.P. Blanc & F. Salvat, 1966) - (ARIOPHANTIDAE)
- acuta, Microcystina acuta H.A. Pilsbry & Y. Hirase, 1905 - syn of: Luchuconulus acutus (H.A. Pilsbry & Y. Hirase, 1905) - (ARIOPHANTIDAE)
- acuta, Atomodesma acuta (Lutkevitch & Lobanova, 1960 †) - (ATOMODESMATIDAE) (FOSSIL)
- acuta, Gervillella acuta (J. de C. Sowerby, 1826 †) - (BAKEVELLIIDAE) (FOSSIL)
- acuta, Pseudodiala acuta (P.P. Carpenter, 1864) - (BARLEEIIDAE)
- acuta, Siphonalia acuta Rivera, 1957 † - (BUCCINIDAE) (FOSSIL)
- acuta, Bulla acuta D'Orbigny, 1841 - syn of: Volvulella minuta (K.J. Bush, 1885) - (BULLIDAE)
- acuta, Crepidula acuta H.C. Lea, 1842 - syn of: Crepidula convexa T. Say, 1822 - (CALYPTRAEIDAE)
- acuta, Papuina acuta (J.R.C. Quoy & J.P. Gaimard, 1832) - (CAMAENIDAE)
- acuta, Caveola acuta (B. Wade, 1926 †) - (CANCELLARIIDAE) (FOSSIL)
- acuta, Torellia acuta A.N. Golikov & V.V. Gulbin, 1978 - (CAPULIDAE)
- acuta, Cardinia acuta A.E.R. Agassiz, 1846 † - (CARDINIIDAE) (FOSSIL)
- acuta, Cardiapoda acuta J.J. Tesch, 1906 - syn of: Cardiapoda placenta (R.P. Lesson, 1830) - (CARINARIIDAE)
- acuta, Strophiops acuta (C.J. Maynard, 1889) - (CERIONIDAE)
- acuta, Ceritella acuta Morris & Lycett † - (CERITELLIDAE) (FOSSIL)
- acuta, Horologica acuta A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- acuta, Armenica disjuncta acuta E. Neubert, 1994 - (CLAUSILIIDAE)
- acuta, Cochlicella acuta (O.F. Müller, 1774) - (COCHLICELLIDAE)
- acuta, Mitrella acuta W. Kobelt, 1889 - syn of: Mitrella gervillii (B.C.M. Payraudeau, 1826) - (COLUMBELLIDAE)
- acuta, Condylocardia acuta B.C. Cotton, 1931 † - syn of: Condylocardia pectinata R. Tate, 1900 † - (CONDYLOCARDIIDAE) (FOSSIL)
- acuta, Radiocondyla acuta B.C. Cotton, 1931 † - syn of: Condylocardia pectinata R. Tate, 1900 † - (CONDYLOCARDIIDAE) (FOSSIL)
- acuta, Cylichna acuta S. Tokunaga, 1906 † - (CYLICHNIDAE) (FOSSIL)
- acuta, Polymesoda acuta (T. Prime, 1861) - (CYRENIDAE)
- acuta, Cyrtoclymenia acuta A. Schmidt, 1924 † - syn of: Czarnoclymenia acuta (A. Schmidt, 1924 †) - (CYRTOCLYMENIIDAE) (FOSSIL)
- acuta, Diala acuta P.P. Carpenter, 1864 - syn of: Pseudodiala acuta (P.P. Carpenter, 1864) - (DIALIDAE)
- acuta, Yoospira acuta K. Bandel, 2002 † - (DONALDINIDAE) (FOSSIL)
- acuta, Doto acuta R.L. Schmekel & A. Kress, 1977 - (DOTIDAE)
- acuta, Illyricocongeria acuta (Kochansky-Devidé, 1981 †) - (DREISSENIDAE) (FOSSIL)
- acuta, Marinula acuta (A.V.M.D. D'Orbigny, 1835) - (ELLOBIIDAE)
- acuta, Pythia acuta J.B. Hombron & C.H. Jacquinot, 1847 - (ELLOBIIDAE)
- acuta, Auricula acuta A.V.M.D. D'Orbigny, 1835 - syn of: Marinula acuta (A.V.M.D. D'Orbigny, 1835) - (ELLOBIIDAE)
- acuta, Hirasea acuta H.A. Pilsbry, 1902 - (ENDODONTIDAE)
- acuta, Cirsotrema acuta (J. de C. Sowerby, 1813 †) - (EPITONIIDAE) (FOSSIL)
- acuta, Aciculiscala acuta N.F. Sohl, 1963 † - (EPITONIIDAE) (FOSSIL)
- acuta, Niso acuta A. von Koenen, 1891 † - (EULIMIDAE) (FOSSIL)
- acuta, Eulima acuta G.B. II Sowerby, 1834 - syn of: Hypermastus acutus (G.B. II Sowerby, 1834) - (EULIMIDAE)
- acuta, Melanella acuta G.B. II Sowerby, 1834 - syn of: Hypermastus acutus (G.B. II Sowerby, 1834) - (EULIMIDAE)
- acuta, Stilbe acuta J.G. Jeffreys, 1884 - syn of: Aclis acuta (J.G. Jeffreys, 1884) - (EULIMIDAE)
- acuta, Parastilbe acuta J.G. Jeffreys, 1884 - syn of: Aclis acuta (J.G. Jeffreys, 1884) - (EULIMIDAE)
- acuta, Terebraspira acuta (E. Emmons, 1858 †) - (FASCIOLARIIDAE) (FOSSIL)
- acuta, Cecilioides acuta Aleron - syn of: Cecilioides acicula (O.F. Müller, 1774) - (FERUSSACIIDAE)
- acuta, Hindsiella acuta W.H. Dall, 1900 † - (GALEOMMATIDAE) (FOSSIL)
- acuta, Stegocoelia acuta Mazaev, 2001 † - (GONIASMATIDAE) (FOSSIL)
- acuta, Cataschisma acuta Pitcher 1939 † - (GOSSELETINIDAE) (FOSSIL)
- acuta, Helix acuta J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Papuina acuta (J.R.C. Quoy & J.P. Gaimard, 1832) - (HELICIDAE)
- acuta, Iberus acuta J.B.P.A. Lamarck, 1816 - syn of: Pleurodonte lucerna (O.F. Müller, 1774) - (HELICIDAE)
- acuta, Hiatella acuta L. de Folin, 1867 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (HIATELLIDAE)
- acuta, Pseudosonneratia acuta Casey † - (HOPLITIDAE) (FOSSIL)
- acuta, Mauidrillia acuta (J. Marwick, 1928 †) - (HORAICLAVIDAE) (FOSSIL)
- acuta, Belgrandia acuta (C. De Stefani, 1877 †) - (HYDROBIIDAE) (FOSSIL)
- acuta, Hydrobia acuta (J.P.R. Draparnaud, 1805) - (HYDROBIIDAE)
- acuta, Littorinella acuta K.E.I. von Eichwald, 1855 - syn of: Caspiohydrobia eichwaldiana (A.N. Golikov & Y.I. Starobogatov, 1966) - (HYDROBIIDAE)
- acuta, Echyridella menziesii acuta (H.H. Suter, 1907) - (HYRIIDAE)
- acuta, Kolymia acuta Lutkevitch & Lobanova, 1960 † - syn of: Atomodesma acuta (Lutkevitch & Lobanova, 1960 †) - (KOLYMIIDAE) (FOSSIL)
- acuta, Limacina helicina acuta S. Van Der Spoel, 1967 - (LIMACINIDAE)
- acuta, Austrolittorina acuta R.A. Philippi, 1847 - syn of: Austrolittorina unifasciata (J.E. Gray, 1826) - (LITTORINIDAE)
- acuta, Lophospira acuta A.W. Grabau, 1922 † - syn of: Lophospira perangulata (J.W. Hall, 1847 †) - (LOPHOSPIRIDAE) (FOSSIL)
- acuta, Lymnaea acuta G. Perry, 1811 - syn of: Lymnaea stagnalis (C. Linnaeus, 1758) - (LYMNAEIDAE)
- acuta, Maclurina manitobensis acuta Parks, 1913 † - (MACLURITIDAE) (FOSSIL)
- acuta, Propebela concinnula acuta (A.E. Verrill, 1882) - (MANGELIIDAE)
- acuta, Eratoidea acuta T. McCleery, 2011 - (MARGINELLIDAE)
- acuta, Melanopsis acuta Handmann, 1882 † - (MELANOPSIDAE) (FOSSIL)
- acuta, Subcancilla acuta G.B. Sowerby, 1879 - syn of: Subcancilla annulata (L.A. Reeve, 1844) - (MITRIDAE)
- acuta, Ectenocardiomorpha acuta Isberg, 1934 † - (MODIOLOPSIDAE) (FOSSIL)
- acuta, Mopalia acuta (P.P. Carpenter, 1855) - (MOPALIIDAE)
- acuta, Cheilotoma acuta (Münster, 1841 †) - (MURCHISONIIDAE) (FOSSIL)
- acuta, Natica acuta R.A. Philippi, 1845 - syn of: Tectonatica impervia (R.A. Philippi, 1845) - (NATICIDAE)
- acuta, Nuculana acuta (T.A. Conrad, 1831) - (NUCULANIDAE)
- acuta, Nucula acuta T.A. Conrad, 1831 - syn of: Nuculana acuta (T.A. Conrad, 1831) - (NUCULIDAE)
- acuta, Australonema acuta Heidelberger, 2001 † - (ORIOSTOMATIDAE) (FOSSIL)
- acuta, Orthonychia acuta F.A. Roemer, 1856 † - (ORTHONYCHIIDAE) (FOSSIL)
- acuta, Paranowakia acuta J. Koren, B.K. Kim & Walliser, 2007 † - (PARANOWAKIIDAE) (FOSSIL)
- acuta, Periploma acuta Anelli & al., 2006 † - (PERIPLOMATIDAE) (FOSSIL)
- acuta, Distorsio acuta G. Perry, 1811 - syn of: Distorsio reticularis (C. Linnaeus, 1758) - (PERSONIDAE)
- acuta, Physella acuta (J.P.R. Draparnaud, 1805) - (PHYSIDAE)
- acuta, Haitia acuta (D.W. Taylor, 2003) - (PHYSIDAE)
- acuta, Czarnoclymenia acuta (A. Schmidt, 1924 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- acuta, Elimia acuta (C.S. Rafinesque, 1831) - (PLEUROCERIDAE)
- acuta, Pleurodonte lamarckii acuta J.B.P.A. Lamarck, 1816 - (PLEURODONTIDAE)
- acuta, Jullienia acuta N.J. Poirier, 1881 - (POMATIOPSIDAE)
- acuta, Agnesia acuta (B. Phillips, 1836 †) - (PORCELLIIDAE) (FOSSIL)
- acuta, Trigonoconcha acuta P. Sánchez, 1999 † - (PRAENUCULIDAE) (FOSSIL)
- acuta, Dorymenia acuta H. Heath, 1911 - (PRONEOMENIIDAE)
- acuta, Atorcula acuta A. Nützel, 1998 † - (PROTORCULIDAE) (FOSSIL)
- acuta, Hiatula acuta (Y.Y. Cai & Z. Zhuang, 1985) - (PSAMMOBIIDAE)
- acuta, Sanguinolaria acuta Y.Y. Cai & Z. Zhuang, 1985 - syn of: Hiatula acuta (Y.Y. Cai & Z. Zhuang, 1985) - (PSAMMOBIIDAE)
- acuta, Oonia acuta Ferrari, 2017 † - (PSEUDOMELANIIDAE) (FOSSIL)
- acuta, Carinaropsis acuta Ulrich & Scofield, 1897 † - syn of: Carinaropsis minima Ulrich & Scofield, 1897 † - (PTEROTHECIDAE) (FOSSIL)
- acuta, Odostomia acuta J.G. Jeffreys, 1848 - (PYRAMIDELLIDAE)
- acuta, Turbonilla acuta (E. Donovan, 1804) - (PYRAMIDELLIDAE)
- acuta, Parthenina interstincta acuta F. Nordsieck, 1972 - (PYRAMIDELLIDAE)
- acuta, Ceratopea sinclairensis acuta O. Kobayashi, 1955 † - (RAPHISTOMATIDAE) (FOSSIL)
- acuta, Rectoclymenia acuta E. Perna, 1914 † - (RECTOCLYMENIIDAE) (FOSSIL)
- acuta, Ringicula acuta E. Forbes, 1846 - (RINGICULIDAE)
- acuta, Rissoa acuta J. de C. Sowerby, 1829 † - syn of: Rissoina acuta (J. de C. Sowerby, 1829 †) - (RISSOIDAE) (FOSSIL)
- acuta, Rissoa acuta A.G. Desmarest, 1814 - syn of: Rissoa auriscalpium (C. Linnaeus, 1758) - (RISSOIDAE)
- acuta, Rissoina acuta (J. de C. Sowerby, 1829 †) - (RISSOINIDAE) (FOSSIL)
- acuta, Siphonaria acuta J.R.C. Quoy & J.P. Gaimard, 1833 - (SIPHONARIIDAE)
- acuta, Macrochilina acuta (J. de C. Sowerby, 1827 †) - (SOLENISCIDAE) (FOSSIL)
- acuta, Cyclas acuta C. Pfeiffer, 1821 - syn of: Pisidium henslowanum (R. Sheppard, 1825) - (SPHAERIIDAE)
- acuta, Stenothyra acuta R.A.M. Brandt, 1974 - (STENOTHYRIDAE)
- acuta, Terebra acuta G.P. Deshayes, 1857 - syn of: Impages cinerea (I. von Born, 1778) - (TEREBRIDAE)
- acuta, Melania acuta Moore † - (THIARIDAE) (FOSSIL)
- acuta, Circulter acuta C.F. Laseron, 1958 - (TORNIDAE)
- acuta, Triphora acuta (L.C. Kiener, 1841) - (TRIPHORIDAE)
- acuta, Lophiotoma acuta (G. Perry, 1811) - (TURRIDAE)
- acuta, Pleurotoma acuta G. Perry, 1811 - syn of: Lophiotoma acuta (G. Perry, 1811) - (TURRIDAE)
- acuta, Turritella acuta C. Mayer, 1858 † - (TURRITELLIDAE) (FOSSIL)
- acuta, Turritella acuta Briart & Cornet, 1873 † - syn of: Turritella arsenei Briart & Cornet, 1873 † - (TURRITELLIDAE) (FOSSIL)
- acuta, Turritella acuta J.E. Tenison-Woods, 1876 - syn of: Gazameda tasmanica (L.A. Reeve, 1849) - (TURRITELLIDAE)
- acuta, Gazameda acuta J.E. Tenison-Woods, 1876 - syn of: Gazameda tasmanica (L.A. Reeve, 1849) - (TURRITELLIDAE)
- acuta, Vanikoro acuta C.A. Récluz, 1844 - (VANIKORIDAE)
- acuta, Alcithoe acuta J. Marwick, 1926 † - (VOLUTIDAE) (FOSSIL)
- acuta attenuata, Odostomia acuta attenuata J.T. Marshall, 1896 - (PYRAMIDELLIDAE)
- acuta chloris, Mopalia acuta chloris H.A. Pilsbry, 1918 - (MOPALIIDAE)
- acuta clavula, Elimia acuta clavula I. Lea, 1868 - (PLEUROCERIDAE)
- acuta goniasmos, Succinea acuta goniasmos H.A. Pilsbry, 1889 - syn of: Pleurodonte lucerna (O.F. Müller, 1774) - (SUCCINEIDAE)
- acuta gracilis, Odostomia acuta gracilis W.B. Marshall, 1893 - syn of: Odostomia acuta J.G. Jeffreys, 1848 - (PYRAMIDELLIDAE)
- acuta hinkleyi, Elimia acuta hinkleyi C. Goodrich, 1921 - (PLEUROCERIDAE)
- acuta jickelii, Lophiotoma acuta jickelii (H.C. Weinkauff & W. Kobelt, 1875) - (TURRIDAE)
- acuta lactica, Mopalia acuta lactica W.H. Dall, 1919 - (MOPALIIDAE)
- acuta lewisi, Elimia acuta lewisi I. Lea, 1862 - (PLEUROCERIDAE)
- acuta litoris, Odostomia acuta litoris G.S. Coen, 1937 - (PYRAMIDELLIDAE)
- acuta mercenaria, Mya acuta mercenaria T. Say, 1822 - syn of: Mya arenaria C. Linnaeus, 1758 - (MYIDAE)
- acuta minor, Odostomia acuta minor F. Nordsieck, 1972 - (PYRAMIDELLIDAE)
- acuta nannodonta, Pleurodonte acuta nannodonta H.A. Pilsbry, 1889 - syn of: Pleurodonte lucerna (O.F. Müller, 1774) - (PLEURODONTIDAE)
- acuta neglecta, Hydrobia acuta neglecta B.J. Muus, 1963 - (HYDROBIIDAE)
- acuta occidentalis, Distorsio acuta occidentalis O.A.L. Mörch, 1877 - syn of: Distorsio clathrata (J.B.P.A. Lamarck, 1816) - (PERSONIDAE)
- acuta oxytenes, Succinea acuta oxytenes H.A. Pilsbry, 1889 - syn of: Pleurodonte lucerna (O.F. Müller, 1774) - (SUCCINEIDAE)
- acuta pedroana, Mopalia acuta pedroana G. Willett, 1932 - (MOPALIIDAE)
- acuta raphidia, Cochlicella acuta raphidia P.M. Pallary, 1920 - (COCHLICELLIDAE)
- acuta semperfluens, Pleurodonte acuta semperfluens H.A. Pilsbry & A.P. Brown, 1912 - syn of: Pleurodonte lucerna (O.F. Müller, 1774) - (PLEURODONTIDAE)
- acuta speciosa, Caveola acuta speciosa N.F. Sohl, 1964 † - (CANCELLARIIDAE) (FOSSIL)
- acuta umbilicaris, Odostomia acuta umbilicaris A.W. Malm, 1863 - syn of: Odostomia umbilicaris (A.W. Malm, 1863) - (PYRAMIDELLIDAE)
- acutacosta, Ginella acutacosta Walcott, 1890 † - syn of: Stenotheca acutacosta (Walcott, 1890 †) - (HELCIONELLIDAE) (FOSSIL)
- acutacosta, Stenotheca acutacosta (Walcott, 1890 †) - (STENOTHECIDAE) (FOSSIL)
- acutaeformis, Volvula acutaeformis Yokoyama, 1922 † - syn of: Volvulella ovulina (A. Adams, 1850) - (ACTEOCINIDAE) (FOSSIL)
- acutaeformis, Volva acutaeformis M. Yokoyama, 1922 - syn of: Volvulella ovulina (A. Adams, 1850) - (OVULIDAE)
- acutaeformis, Rissoina acutaeformis K.C. Schauroth, 1865 † - (RISSOINIDAE) (FOSSIL)
- acutali, Rachiteuthis acutali Jattiot & al., 2015 † - (PALAEOLOLIGINIDAE) (FOSSIL)
- Acutalia, syn of: Genus Acicula J.D.W. Hartmann, 1821 (ACICULIDAE)
- acutalis, Aclis acutalis J.G. Jeffreys, 1883 - syn of: Aclis attenuans J.G. Jeffreys, 1883 - (ACLIDIDAE)
- acutalis, Eulima acutalis J.G. Jeffreys, 1884 - syn of: Aclis attenuans J.G. Jeffreys, 1883 - (EULIMIDAE)
- acutalis, Lymnaea acutalis P.M.A. Morelet, 1845 - syn of: Lymnaea fontinalis (S.E. Studer, 1820) - (LYMNAEIDAE)
- acutalis, Mexinauta nitens acutalis (J.C.H. Crosse & P.H. Fischer, 1886) - (PHYSIDAE)
- acutalium, Dentalium acutalium R.B. Watson, 1885 - (DENTALIIDAE)
- acutangula, Maurea acutangula (H.H. Suter, 1917 †) - (CALLIOSTOMATIDAE) (FOSSIL)
- acutangula, Polydontes acutangula E.J. Burrow, 1815 - (CAMAENIDAE)
- acutangula, Corbula acutangula A. Issel, 1869 - syn of: Corbula taitensis J.B.P.A. Lamarck, 1818 - (CORBULIDAE)
- acutangula, Helicarion acutangula A. Adams, 1868 - (HELICARIONIDAE)
- acutangula, Theba acutangula R.T. Lowe, 1861 - syn of: Theba subdentata helicella W. Wood, 1828 - (HELICIDAE)
- acutangula, Patellilabia acutangula Wang, 1980 † - syn of: Patellilabia alticarinata Wang, 1980 † - (KNIGHTITIDAE) (FOSSIL)
- acutangula, Dentimargo acutangula (G.P. Deshayes, 1865 †) - (MARGINELLIDAE) (FOSSIL)
- acutangula, Perna acutangula G.P. Deshayes, 1830 † - syn of: Admytilus acutangulus (G.P. Deshayes, 1830 †) - (MYTILIDAE) (FOSSIL)
- acutangula, Nassa acutangula F.P. Marrat, 1877 - syn of: Nassarius mendicus (A.A. Gould, 1850) - (NASSARIIDAE)
- acutangula, Philine acutangula A. Adams - (PHILINIDAE)
- acutangula, Philobrya acutangula (A.W.B. Powell, 1935) - (PHILOBRYIDAE)
- acutangula, Odostomia acutangula H.H. Suter, 1908 - (PYRAMIDELLIDAE)
- acutangularis, Corbicula acutangularis G.P. Deshayes, 1857 † - (CYRENIDAE) (FOSSIL)
- acutangularis, Gemmula acutangularis (G.P. Deshayes, 1834 †) - (TURRIDAE) (FOSSIL)
- acutangulata, Melongena acutangulata E.J. Petuch, 1994 † - (MELONGENIDAE) (FOSSIL)
- acutanguloides, Parakaliella acutanguloides J.T. Kuroda & M. Azuma, 1982 - (HELICARIONIDAE)
- acutangulum, Trigonostoma acutangulum (Faujas, 1817 †) - (CANCELLARIIDAE) (FOSSIL)
- acutangulum, Cardium acutangulum Phillips, 1829 † - (CARDIIDAE) (FOSSIL)
- acutangulum, Lesueurilla acutangulum (E.F.R.K. Koken, 1896 †) - (LESUEURILLIDAE) (FOSSIL)
- acutangulum westziana, Trigonostoma acutangulum westziana (J.P.S. Grateloup, 1840) - (CANCELLARIIDAE)
- acutangulus, Angusticornus acutangulus A.V. Sysoev, 1968 † - (ANGUSTICORNIDAE) (FOSSIL)
- acutangulus, Turriconus acutangulus (J.B.P.A. Lamarck, 1810) - (CONIDAE)
- acutangulus, Donax acutangulus (L.A. Reeve, 1854) - (DONACIDAE)
- acutangulus, Ithycythara acutangulus (E.A. Smith, 1882) - (MANGELIIDAE)
- acutangulus, Ithycythara acutangulus E.A. Smith, 1882 - syn of: Ithycythara acutangulus (E.A. Smith, 1882) - (MANGELIIDAE)
- acutangulus, Admytilus acutangulus (G.P. Deshayes, 1830 †) - (MYTILIDAE) (FOSSIL)
- acutangulus, Plesiotrochus acutangulus (M. Yokoyama, 1924) - (PLESIOTROCHIDAE)
- acutangulus, Solen acutangulus R.W. Dunker, 1868 - (SOLENIDAE)
- acutangulus, Trochus acutangulus Isakawa, 1919 - syn of: Tectus conus (J.F. Gmelin, 1791) - (TROCHIDAE)
- acutangulus, Tropites acutangulus Mojsisovics, 1893 † - (TROPITIDAE) (FOSSIL)
- acutangulus, Turbo acutangulus C. Linnaeus, 1758 - (TURBINIDAE)
- acutangulus, Pleurotoma acutangulus E.A. Smith, 1882 - syn of: Ithycythara acutangulus (E.A. Smith, 1882) - (TURRIDAE)
- acutangulus funiculifer, Turriconus acutangulus funiculifer (A.E.M. Cossmann, 1886 †) - (CONIDAE) (FOSSIL)
- acutanolatum, Lopingoceras acutanolatum J.K. Zhao & al., 1978 † - (SPYROCERATIDAE) (FOSSIL)
- acutapex, Acmaea acutapex S.S. Berry, 1960 - syn of: Lottia acutapex (S.S. Berry, 1960) - (ACMAEIDAE)
- acutapex, Lottia acutapex (S.S. Berry, 1960) - (LOTTIIDAE)
- acutapex, Parvedentulina acutapex K.C. Emberton & T.A. Pearce, 2000 - (STREPTAXIDAE)
- acutargatus, Falcidens acutargatus L. Salvini-Plawén, 1992 - (CHAETODERMATIDAE)
- acutata, Cordieria acutata G.P. Deshayes, 1865 - (BORSONIIDAE)
- acutata, Parasturia acutata Shevyrev, 1995 † - (STURIIDAE) (FOSSIL)
- acutatus, Archaeophiala acutatus Missarzhevsky, 1989 † - (SCENELLIDAE) (FOSSIL)
- acute, Buccinum acute R.A. Philippi, 1844 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (BUCCINIDAE)
- acute, Cataschisma acute Pitcher † - (GOSSELETINIDAE) (FOSSIL)
- acuteauritus, Lyriochlamys acuteauritus (Schafhaeutl 1851) † - (PECTINIDAE) (FOSSIL)
- acutecarinata, Protohemichenopus acutecarinata (Behrendsen, 1891 †) - (APORRHAIDAE) (FOSSIL)
- acutecarinata, Solatisonax acutecarinata (K.H.J. Thiele, 1925) - (ARCHITECTONICIDAE)
- acutecarinata, Sitala acutecarinata A.R.J.B. Bavay & P. Dautzenberg, 1903 - (ARIOPHANTIDAE)
- acutecarinata, Myonera acutecarinata (P. Dautzenberg & H. Fischer, 1906) - (CUSPIDARIIDAE)
- acutecarinata, Flemmingia acutecarinata Klipstein, 1843 † - (EULIMIDAE) (FOSSIL)
- acutecarinata, Staja acutecarinata Š. Brusina, 1902 † - (HYDROBIIDAE) (FOSSIL)
- acutecarinata, Hydrobia acutecarinata M. von Neumayr in M. von Neumayr & C.R.C. Paul, 1875 † - (HYDROBIIDAE) (FOSSIL)
- acutecarinata, Andrusella acutecarinata (Andrussov 1902) † - (MACTRIDAE) (FOSSIL)
- acutecarinata, Sinotaia acutecarinata (T.C. Yen, 1939) - (VIVIPARIDAE)
- acutecostata, Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- acutecostata, Fossarus acutecostata Klipstein, 1843 † - syn of: Colubrellopsis acuticostata (Klipstein, 1843 †) - (PLANAXIDAE) (FOSSIL)
- acutecostata, Lamelliconcha acutecostata (W.M. Gabb, 1873 †) - (VENERIDAE) (FOSSIL)
- acutecostatum, Tropaeum acutecostatum Renngarten, 1951 † - (ANCYLOCERATIDAE) (FOSSIL)
- acutecostatum, Buccinum acutecostatum R.A. Philippi, 1844 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (BUCCINIDAE)
- acutecostum, Gargasiceras acutecostum (Riedal, 1934 †) - (DESHAYESITIDAE) (FOSSIL)
- acutedentata, Helix acutedentata W.G. Binney, 1858 - syn of: Polygyra acutedentata (W.G. Binney, 1858) - (HELICIDAE)
- acutedentata, Pandora acutedentata P.P. Carpenter, 1865 - syn of: Clidiophora cornuta (C.B. Adams, 1852) - (PANDORIDAE)
- acutedentata, Polygyra acutedentata (W.G. Binney, 1858) - (POLYGYRIDAE)
- acutedentata minor, Helix acutedentata minor P.H. Fischer & J.C.H. Crosse, 1872 - syn of: Polygyra acutedentata (W.G. Binney, 1858) - (HELICIDAE)
- acutedentata quinquedentata, Helix acutedentata quinquedentata P.H. Fischer & J.C.H. Crosse, 1872 - syn of: Polygyra acutedentata (W.G. Binney, 1858) - (HELICIDAE)
- acutegaleatus, Arcestes acutegaleatus Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- acutelaminatus, Lamelliphorus acutelaminatus A. Nützel & Erwin, 2004 † - (LAMELLIPHORIDAE) (FOSSIL)
- acutelirata, Alvania acutelirata P.P. Carpenter, 1864 - syn of: Alvania compacta (P.P. Carpenter, 1864) - (RISSOIDAE)
- acutella, Ampullina acutella Leym, 1846 † - (AMPULLINIDAE) (FOSSIL)
- acutella, Anthracosia acutella (W.B. Wright, 1929 †) - (ANTHRACOSIIDAE) (FOSSIL)
- acutelobatum, Cheiloceras acutelobatum Gruneberg, 1925 † - syn of: Simicheiloceras acutelobatum (Gruneberg, 1925 †) - (CHEILOCERATIDAE) (FOSSIL)
- acutelobatum, Simicheiloceras acutelobatum (Gruneberg, 1925 †) - (TORNOCERATIDAE) (FOSSIL)
- acutemaculata, Gradiella acutemaculata (Stoppani, 1858 †) - (COELOSTYLINIDAE) (FOSSIL)
- acuteplicatus, Celtites acuteplicatus L. Waagen, 1895 † - (CELTITIDAE) (FOSSIL)
- acuteplicatus, Inoceramus acuteplicatus Stanton, 1899 † - syn of: Mytiloides stantoni Sokolow, 1914 † - (INOCERAMIDAE) (FOSSIL)
- acuteplicatus, Permophorus acuteplicatus J. Brown, 1841 † - syn of: Permophorus costatus (J. Brown, 1841 †) - (KALENTERIDAE) (FOSSIL)
- acuteplicatus, Czekanowskites acuteplicatus Tozer, 1994 † - (LONGOBARDITIDAE) (FOSSIL)
- acutespira, Radix acutespira S. Clessin, 1877 - syn of: Radix labiata (E.A. Rossmässler, 1835) - (LYMNAEIDAE)
- acutespira, Melanopsis acutespira J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- acutestriata, Melania acutestriata Klipstein, 1843 † - (THIARIDAE) (FOSSIL)
- acutestriatus, Spirostylus acutestriatus (Stoppani, 1857 †) - (SPIROSTYLIDAE) (FOSSIL)
- acuti, Coralliophila acuti F. Settepassi, 1977 - syn of: Coralliophila meyendorffii (P. Calcara, 1845) - (MURICIDAE)
- acuticallosa, Natica acuticallosa McNeil, 1984 † - (NATICIDAE) (FOSSIL)
- acuticarina, Buvignieria acuticarina (C.H. Blake, 1880 †) - (RISSOINIDAE) (FOSSIL)
- acuticarinata, Makiyamaia subdeclivis acuticarinata T. Shuto, 1961 - (CLAVATULIDAE)
- acuticarinata, Pyrgula acuticarinata P.S. Pavlovic, 1932 † - (HYDROBIIDAE) (FOSSIL)
- acuticarinata, Melanopsis praemorsa acuticarinata F. Paetel, 1888 - (MELANOPSIDAE)
- acuticarinata, Hypergonia acuticarinata Longst, 1926 † - syn of: Hypergonia cincta (J. Donald, 1895 †) - (ORTHONEMIDAE) (FOSSIL)
- acuticarinata, Prothyris acuticarinata Busanus & Hoare, 1991 † - (PROTHYRIDAE) (FOSSIL)
- acuticarinata, Ougapia acuticarinata (K.H.J. Thiele, 1928) - (RHYTIDIDAE)
- acuticarinata, Spectamen acuticarinata (J.E. Tenison-Woods, 1879 †) - (SOLARIELLIDAE) (FOSSIL)
- acuticarinata, Oophana acuticarinata W.S.S. Van Benthem-Jutting, 1961 - (STREPTAXIDAE)
- acuticarinata, Thyasira acuticarinata (E.A. Smith, 1895) - (THYASIRIDAE)
- acuticarinata, Turritella acuticarinata R.W. Dunker, 1847 - (TURRITELLIDAE)
- acuticarinatum, Arnioceras acuticarinatum (C.T. Simpson, 1855 †) - (ARIETITIDAE) (FOSSIL)
- acuticarinatus, Lepidotrochus acuticarinatus Pan, 1977 † - (CIRRIDAE) (FOSSIL)
- acuticarinatus, Theodoxus acuticarinatus (A. Fuchs, 1870 †) - (NERITIDAE) (FOSSIL)
- acuticarinatus, Trochus acuticarinatus Klipstein, 1843 † - syn of: Flemmingia acutecarinata Klipstein, 1843 † - (TROCHIDAE) (FOSSIL)
- acuticarinatus ecarinatus, Theodoxus acuticarinatus ecarinatus (Š. Brusina, 1902 †) - (NERITIDAE) (FOSSIL)
- acuticauda, Saccella acuticauda (G.B. Pritchard, 1901 †) - (NUCULANIDAE) (FOSSIL)
- acuticauda, Philine acuticauda Gonzales & T.M. Gosliner, 2014 - syn of: Pseudophiline acuticauda (Gonzales & T.M. Gosliner, 2014) - (PHILINIDAE)
- acuticauda, Pseudophiline acuticauda (Gonzales & T.M. Gosliner, 2014) - (PHILINORBIDAE)
- Acutichiton, Genus Acutichiton Hoare & al., 1972 † (ACUTICHITONIDAE) (FOSSIL)
- ACUTICHITONIDAE Hoare & al., 1983 † - Family (POLYPLACOPHORA-NEOLORICATA [Subclass]) (FOSSIL)
- acuticingulatus, Cantharus acuticingulatus (H.H. Suter, 1917 †) - (BUCCINIDAE) (FOSSIL)
- acuticosta, Venericardia acuticosta J.B.P.A. Lamarck, 1806 † - (CARDITIDAE) (FOSSIL)
- acuticosta, Cerithium acuticosta O.G. Michelotti, 1861 † - (CERITHIIDAE) (FOSSIL)
- acuticosta, Idyla bicristata acuticosta W.A. Fauer, 1993 - (CLAUSILIIDAE)
- acuticosta, Cyrtolites acuticosta Trueman & Williams † - (CYRTOLITIDAE) (FOSSIL)
- acuticosta, Mautodontha acuticosta (A. Garrett, 1884) - (ENDODONTIDAE)
- acuticosta, Euomphalus acuticosta C.L.F. von Sandberger & C.L.F. von Sandberger, 1855 † - (EUOMPHALIDAE) (FOSSIL)
- acuticosta, Castalia acuticosta L.H. Hupé, 1857 - syn of: Castalia ambigua (J.B.P.A. Lamarck, 1819) - (HYRIIDAE)
- acuticosta, Typhis acuticosta T.A. Conrad, 1830 † - (MURICIDAE) (FOSSIL)
- acuticosta, Blanfordiceras acuticosta Uhlig, 1910 † - (NEOCOMITIDAE) (FOSSIL)
- acuticosta, Turboella acuticosta F. Sacco, 1895 † - (RISSOIDAE) (FOSSIL)
- acuticosta, Rissoa acuticosta A. von Koenen, 1892 † - (RISSOIDAE) (FOSSIL)
- acuticosta, Schlotheimia acuticosta (Strickland ex MS Buckman †) - (SCHLOTHEIMIIDAE) (FOSSIL)
- Acuticosta, Genus Acuticosta C.T. Simpson, 1900 (UNIONIDAE)
- acuticostata, Ambonychia acuticostata F. McCoy, 1851 † - (AMBONYCHIIDAE) (FOSSIL)
- acuticostata, Astarte acuticostata H.B.S. Friele, 1877 - (ASTARTIDAE)
- acuticostata, Melostrachia acuticostata (H.C. Fulton, 1907) - (CAMAENIDAE)
- acuticostata, Monodacna colorata acuticostata B.M. Logvinenko & Y.I. Starobogatov - (CARDIIDAE)
- acuticostata, Mimospira acuticostata H.W. Bates, 1963 † - (CLISOSPIRIDAE) (FOSSIL)
- acuticostata, Clymenia acuticostata G.G. Münster, 1842 † - syn of: Progonioclymenia acuticostata (G.G. Münster, 1842 †) - (CLYMENIIDAE) (FOSSIL)
- acuticostata, Amphissa acuticostata R.A. Philippi, 1844 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- acuticostata, Corbula acuticostata Martin, 1885 † - (CORBULIDAE) (FOSSIL)
- acuticostata, Illyricocongeria bosniaca acuticostata (Kochansky-Devidé, 1981 †) - (DREISSENIDAE) (FOSSIL)
- acuticostata, Tucetona acuticostata (Sowerby, 1849 †) - (GLYCYMERIDIDAE) (FOSSIL)
- acuticostata, Hamulina acuticostata Karakasch, 1907 † - (HAMULINIDAE) (FOSSIL)
- acuticostata, Balabania acuticostata Karacabey-öztemür 1976 † - (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- acuticostata, Leymeriella acuticostata Brinkmann, 1937 † - (LEYMERIELLIDAE) (FOSSIL)
- acuticostata, Liotia acuticostata P.P. Carpenter, 1864 - syn of: Parviturbo acuticostatus (P.P. Carpenter, 1864) - (LIOTIIDAE)
- acuticostata, Mangelia acuticostata P. Nyst † - (MANGELIIDAE) (FOSSIL)
- acuticostata, Agathotoma acuticostata P.P. Carpenter, 1856 - syn of: Agathotoma neglecta (C.B. Adams, 1852) - (MANGELIIDAE)
- acuticostata, Aspella acuticostata (W.H. Turton, 1932) - (MURICIDAE)
- acuticostata, Laevityphis acuticostata (T.A. Conrad, 1830 †) - (MURICIDAE) (FOSSIL)
- acuticostata, Poirieria acuticostata Staadt in A.E.M. Cossmann, 1913 † - (MURICIDAE) (FOSSIL)
- acuticostata, Colubrellopsis acuticostata (Klipstein, 1843 †) - (NERITOPSIDAE) (FOSSIL)
- acuticostata, Melaniella acuticostata (A.V.M.D. D'Orbigny, 1842) - (OLEACINIDAE)
- acuticostata, Progonioclymenia acuticostata (G.G. Münster, 1842 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- acuticostata, Odostomia acuticostata J.G. Jeffreys, 1884 - syn of: Turbonilla postacuticostata F. Sacco, 1892 - (PYRAMIDELLIDAE)
- acuticostata, Turbonilla acuticostata J.G. Jeffreys, 1884 - syn of: Turbonilla postacuticostata F. Sacco, 1892 - (PYRAMIDELLIDAE)
- acuticostata, Turbonilla acuticostata J.G. Jeffreys, 1873 - syn of: Turbonilla mirifica P.M. Pallary, 1904 - (PYRAMIDELLIDAE)
- acuticostata, Durania acuticostata Caffau & al., 1995 † - (RADIOLITIDAE) (FOSSIL)
- acuticostata, Ranella acuticostata W.H. Turton, 1932 - syn of: Aspella acuticostata (W.H. Turton, 1932) - (RANELLIDAE)
- acuticostata, Benthonellania acuticostata (W.H. Dall, 1889) - (RISSOIDAE)
- acuticostata, Puchelleuglesa acuticostata Y.I. Starobogatov & A. Korniushin, 1989 - syn of: Pisidium pulchellum L. Jenyns, 1831 - (SPHAERIIDAE)
- acuticostata, Ovalitheca acuticostata Xing & Yue, 1984 † - syn of: Conotheca subcurvata Yü, 1974 † - (TCHURANITHECIDAE) (FOSSIL)
- acuticostata, Tridacna acuticostata G.B. III Sowerby, 1912 - syn of: Tridacna maxima (P.F. Röding, 1798) - (TRIDACNIDAE)
- acuticostata, Neotrigonia acuticostata (McCoy, 1866 †) - (TRIGONIIDAE) (FOSSIL)
- acuticostata, Lirularia acuticostata (P.P. Carpenter, 1864) - (TROCHIDAE)
- acuticostata, Turritella acuticostata Klipstein, 1843 † - syn of: Ampezzopleura tenuis (Münster, 1841 †) - (TURRITELLIDAE) (FOSSIL)
- acuticostata, Spinosipella acuticostata (R.A. Philippi, 1844) - (VERTICORDIIDAE)
- acuticostata, Pecchiolia acuticostata R.A. Philippi, 1844 - syn of: Spinosipella acuticostata (R.A. Philippi, 1844) - (VERTICORDIIDAE)
- acuticostata horrida, Melaniella acuticostata horrida H.A. Pilsbry - (OLEACINIDAE)
- acuticostata stearnsii, Liotia acuticostata stearnsii W.H. Dall, 1918 - syn of: Parviturbo stearnsii (W.H. Dall, 1918) - (LIOTIIDAE)
- acuticostata subangulata, Kurtziella acuticostata subangulata P.P. Carpenter, 1857 - syn of: Kurtziella plumbea (R.B. Hinds, 1843) - (MANGELIIDAE)
- acuticostatum, Hysteroceras acuticostatum Van Hoepen, 1944 † - (BRANCOCERATIDAE) (FOSSIL)
- acuticostatum, Cerion acuticostatum M.I. Sánchez Roig, 1948 - (CERIONIDAE)
- acuticostatum, Cerion acuticostatum A. Gonzalez Guillén, 2008 - syn of: Cerion acuticostatum M.I. Sánchez Roig, 1948 - (CERIONIDAE)
- acuticostatum, Umbonis acuticostatum W.J. Clench & C.G. Aguayo, 1952 - syn of: Cerion acuticostatum M.I. Sánchez Roig, 1948 - (CERIONIDAE)
- acuticostatum, Graptacme acuticostatum H.P. Plate, 1908 - syn of: Graptacme acutistriata G. Steiner & A. Kabat, 2004 - (DENTALIIDAE)
- acuticostatum, Himantoceras acuticostatum Thieuloy, 1965 † - (HIMANTOCERATIDAE) (FOSSIL)
- acuticostatum, Labeceras acuticostatum Förster, 1975 † - (LABECERATIDAE) (FOSSIL)
- acuticostatum, Labeceras bryani acuticostatum F. Forster, 1975 † - (LABECERATIDAE) (FOSSIL)
- acuticostatum, Eubostrychoceras acuticostatum (A.V.M.D. D'Orbigny, 1842 †) - (NOSTOCERATIDAE) (FOSSIL)
- acuticostatus, Austrofusus acuticostatus (H.H. Suter, 1917 †) - (BUCCINIDAE) (FOSSIL)
- acuticostatus, Fusinus acuticostatus G.B. II Sowerby, 1880 - syn of: Fusinus hartvigii acuticostatus (G.B. II Sowerby, 1880) - (FASCIOLARIIDAE)
- acuticostatus, Fusus acuticostatus Speyer, 1860 † - syn of: Gracilipurpura elatior (A.H.E. Beyrich, 1848 †) - (FASCIOLARIIDAE) (FOSSIL)
- acuticostatus, Fusinus hartvigii acuticostatus (G.B. II Sowerby, 1880) - (FASCIOLARIIDAE)
- acuticostatus, Pseudotirolites acuticostatus J.K. Zhao & al., 1978 † - (PSEUDOTIROLITIDAE) (FOSSIL)
- acuticostatus, Parviturbo acuticostatus (P.P. Carpenter, 1864) - (SKENEIDAE)
- acuticostatus, Tapashanites acuticostatus J.K. Zhao & al., 1978 † - (TAPASHANITIDAE) (FOSSIL)
- Acuticostites, Genus Acuticostites Semenoff, 1897 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- acuticostulata, Lyria acuticostulata T.A. Darragh, 1989 † - (VOLUTIDAE) (FOSSIL)
- acuticostus, Nassarius acuticostus (R.P. Montrouzier in S.M. Souverbie & R.P. Montrouzier, 1864) - (NASSARIIDAE)
- Acuticylindra, syn of: Genus Pterygia P.F. Röding, 1798 (MITRIDAE)
- acutidens, Benoistia acutidens (G.P. Deshayes, 1833 †) - (BRACHYTREMATIDAE) (FOSSIL)
- acutidens, Pharella acutidens (W.J. Broderip & G.B. I Sowerby, 1829) - (PHARIDAE)
- Acutidens, syn of: Genus Linisa Pilsbry, 1930 (POLYGYRIDAE)
- acutidens, Odostomia acutidens W.H. Dall, 1884 - (PYRAMIDELLIDAE)
- acutidens, Azorinus acutidens (W.J. Broderip & G.B. I Sowerby, 1829) - (SOLECURTIDAE)
- acutidentata, Nassa acutidentata E.A. Smith, 1879 - syn of: Nassarius multigranosus (R.W. Dunker, 1847) - (NASSARIIDAE)
- acutidentata, Dorymenia acutidentata L. Salvini-Plawén, 1978 - (PRONEOMENIIDAE)
- acutidentata, Dolichupis acutidentata (J.S. Gaskoin, 1836) - (TRIVIIDAE)
- acutifilosa, Goniobasis acutifilosa R.E.C. Stearns, 1890 - syn of: Calibasis acutifilosa (R.E.C. Stearns, 1890) - (PLEUROCERIDAE)
- acutifilosa, Calibasis acutifilosa (R.E.C. Stearns, 1890) - (SEMISULCOSPIRIDAE)
- acutifilosa, Melania acutifilosa R.E.C. Stearns, 1890 - syn of: Calibasis acutifilosa (R.E.C. Stearns, 1890) - (THIARIDAE)
- acutifilosa pittensis, Calibasis acutifilosa pittensis (J. Henderson, 1935) - (SEMISULCOSPIRIDAE)
- acutifilosa siskiyouensis, Calibasis acutifilosa siskiyouensis (H.A. Pilsbry, 1899) - (SEMISULCOSPIRIDAE)
- acutiforme, Paratornoceras acutiforme Gürich, 1896 † - syn of: Paratornoceras polonicum (Gürich, 1896 †) - (DIMEROCERATIDAE) (FOSSIL)
- acutiforme, Manticoceras acutiforme Clariond in Termier, 1950 † - (GEPHUROCERATIDAE) (FOSSIL)
- acutiforme, Tornoceras acutiforme Gürich, 1896 † - syn of: Paratornoceras polonicum (Gürich, 1896 †) - (TORNOCERATIDAE) (FOSSIL)
- acutiformis, Fusinus acutiformis G.P. Deshayes, 1835 † - (FASCIOLARIIDAE) (FOSSIL)
- acutiformis, Stegocoelia acutiformis Mazaev, 2001 † - (GONIASMATIDAE) (FOSSIL)
- acutiformis, Eulimella acutiformis A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- acutifrons, Modiolopsis acutifrons Morris, 1845 † - syn of: Merismopteria macroptera (Morris, 1845 †) - (MODIOMORPHIDAE) (FOSSIL)
- acutigemmata, Turridrupa acutigemmata (E.A. Smith, 1877) - (TURRIDAE)
- acutigemmata minor, Turridrupa acutigemmata minor (E.A. Smith, 1904) - (TURRIDAE)
- acutilamellosus, Praeradiolites acutilamellosus Caffau & al., 1995 † - (RADIOLITIDAE) (FOSSIL)
- acutilaqueatum, Chesacardium acutilaqueatum (T.A. Conrad, 1839 †) - (CARDIIDAE) (FOSSIL)
- acutilineata, Limatula acutilineata T.A. Conrad, 1858 † - (LIMIDAE) (FOSSIL)
- acutilineata, Lucinoma acutilineata (T.A. Conrad, 1849 †) - (LUCINIDAE) (FOSSIL)
- acutilira, Bellerophon acutilira J.W. Hall, 1859 † - syn of: Sinuitina acutilira (J.W. Hall, 1859 †) - (BELLEROPHONTIDAE) (FOSSIL)
- acutilira, Sinuitopsis acutilira J.W. Hall, 1859 † - syn of: Sinuitina acutilira (J.W. Hall, 1859 †) - (CYRTOLITIDAE) (FOSSIL)
- acutilira, Sinuitina acutilira (J.W. Hall, 1859 †) - (TROPIDODISCIDAE) (FOSSIL)
- acutilirata, Subcancilla acutilirata G.B. Sowerby, 1874 - syn of: Subcancilla annulata (L.A. Reeve, 1844) - (MITRIDAE)
- acutilirata, Turbonilla acutilirata G.B. III Sowerby, 1892 - syn of: Cingulina trachealis (A.A. Gould, 1861) - (PYRAMIDELLIDAE)
- acutilirata, Circulus acutilirata (K.H.J. Thiele, 1925) - (TORNIDAE)
- acutiliratus, Chiton acutiliratus L.A. Reeve, 1847 - syn of: Ischnoplax pectinata (G.B. II Sowerby, 1840) - (CHITONIDAE)
- acutilobatum, Ponticeras acutilobatum Bogoslovsky, 1958 † - (PONTICERATIDAE) (FOSSIL)
- acutilobum, Cheiloceras acutilobum Sobolew, 1914 † - syn of: Staffites curvispina C.L.F. von Sandberger, 1851 † - (CHEILOCERATIDAE) (FOSSIL)
- acutilobus, Staffites acutilobus Sobolew, 1914 † - (CHEILOCERATIDAE) (FOSSIL)
- acutimarginatus, Tessarolax acutimarginatus (T. Nagao, 1932 †) - (APORRHAIDAE) (FOSSIL)
- acutimarginatus, Conus acutimarginatus G.B. II Sowerby, 1866 - syn of: Conasprella jaspidea (J.F. Gmelin, 1791) - (CONIDAE)
- acutimarginatus, Cyclophorus acutimarginatus G.B. Sowerby, 1842 - (CYCLOPHORIDAE)
- acutiminata, Ariadnaria acutiminata (A.N. Golikov & V.V. Gulbin, 1978) - (CAPULIDAE)
- Acutimitoceras, Genus Acutimitoceras Librovitch , 1957 † (GATTENDORFIIDAE) (FOSSIL)
- acutinoda, Surcula acutinoda R.A. Philippi, 1887 † - syn of: Speightia acutinoda (R.A. Philippi, 1887 †) - (CLAVATULIDAE) (FOSSIL)
- acutinoda, Speightia acutinoda (R.A. Philippi, 1887 †) - (SPEIGHTIIDAE) (FOSSIL)
- acutinoda, Pleurotoma acutinoda R.A. Philippi, 1887 † - syn of: Speightia acutinoda (R.A. Philippi, 1887 †) - (TURRIDAE) (FOSSIL)
- acutinodosa, Cominella acutinodosa (L.A. Reeve, 1846) - (BUCCINIDAE)
- acutinodulosum, Rhinoclavis acutinodulosum E.A. Smith, 1884 - syn of: Rhinoclavis articulata (A. Adams & L.A. Reeve, 1850) - (CERITHIIDAE)
- acutior, Euchondrus acutior (W.A. Lindholm, 1922) - (ENIDAE)
- acutior, Nassa acutior G.S. Coen, 1933 - syn of: Nassarius nitidus (J.G. Jeffreys, 1867) - (NASSARIIDAE)
- acutiperipherata, Siogamaia acutiperipherata (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- acutiplicatus, Pecten acutiplicatus F.B. Meek, 1864 † - syn of: Weyla meeki Damborenea, 1987 † - (PECTINIDAE) (FOSSIL)
- acutirostra, Mytilarca acutirostra (J.W. Hall, 1865 †) - (AMBONYCHIIDAE) (FOSSIL)
- acutirostra, Surcula acutirostra T.A. Conrad, 1854 † - syn of: Coronia childreni (Lea, 1833 †) - (CLAVATULIDAE) (FOSSIL)
- acutirostrata, Notoplax acutirostrata (L.A. Reeve, 1847) - (ACANTHOCHITONIDAE)
- acutirostrata, Mactromeris acutirostrata A. Packard, 1916 † - (MACTRIDAE) (FOSSIL)
- acutirostratus, Notoplax acutirostratus L.A. Reeve, 1847 - syn of: Notoplax acutirostrata (L.A. Reeve, 1847) - (ACANTHOCHITONIDAE)
- acutirostre, Palaeocapulus acutirostre (J.W. Hall, 1856 †) - (PLATYCERATIDAE) (FOSSIL)
- Acutirostriconus, Genus Acutirostriconus Yue, 1984 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- acutirostris, Elasmodophora acutirostris Isberg, 1934 † - (AMBONYCHIIDAE) (FOSSIL)
- acutirostris, Ambonychia acutirostris Ulrich, 1895 † - (AMBONYCHIIDAE) (FOSSIL)
- acutirostris, Myalinella acutirostris (Newell & Burma, 1941 †) - (MYALINIDAE) (FOSSIL)
- acutirostris, Mytilus acutirostris C.L.F. von Sandberger, 1863 † - (MYTILIDAE) (FOSSIL)
- acutirostris, Perna acutirostris R.W. Dunker, 1869 - syn of: Isognomon nucleus (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- acutirostris, Orthonychia acutirostris J.W. Hall, 1856 † - (ORTHONYCHIIDAE) (FOSSIL)
- acutirostris, Isognomon acutirostris R.W. Dunker, 1869 - syn of: Isognomon nucleus (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- acutirostris, Tibia acutirostris G.G. Pusch, 1837 † - (ROSTELLARIIDAE) (FOSSIL)
- acutirostris, Unio acutirostris I. Lea, 1866 - syn of: Diplodon parallelopipedon (I. Lea, 1834) - (UNIONIDAE)
- acutirostris, Shaninopsis acutirostris Isberg, 1934 † - (VLASTIDAE) (FOSSIL)
- Acutiscala, syn of: Genus Epitonium P.F. Röding, 1798 (EPITONIIDAE)
- Acutispinula, syn of: Genus Bathyspinula J.A. Allen & A. Sanders, 1982 (BATHYSPINULIDAE)
- Acutispinula, syn of: Genus Bathyspinula J.A. Allen & A. Sanders, 1982 (BATHYSPINULIDAE)
- acutispira, Cominella acutispira G.B. III Sowerby, 1921 - syn of: Nucella dubia acutispira (G.B. III Sowerby, 1921) - (BUCCINIDAE)
- acutispira, Albinaria scopulosa acutispira H. Nordsieck, 2015 - (CLAUSILIIDAE)
- acutispira, Gibberula acutispira A.E.M. Cossmann, 1889 † - (CYSTISCIDAE) (FOSSIL)
- acutispira, Melampus acutispira W.H. Turton, 1932 - syn of: Melampus parvulus L. Pfeiffer, 1856 - (ELLOBIIDAE)
- acutispira, Pleuroploca acutispira H. Strebel, 1911 - syn of: Triplofusus princeps (Sowerby, 1825) - (FASCIOLARIIDAE)
- acutispira, Fasciolaria acutispira H. Strebel, 1911 - syn of: Triplofusus princeps (Sowerby, 1825) - (FASCIOLARIIDAE)
- acutispira, Afrolittorina acutispira (E.A. Smith, 1892) - (LITTORINIDAE)
- acutispira, Nodilittorina acutispira E.A. Smith, 1892 - syn of: Afrolittorina acutispira (E.A. Smith, 1892) - (LITTORINIDAE)
- acutispira, Nucella dubia acutispira (G.B. III Sowerby, 1921) - (MURICIDAE)
- acutispira, Nassaria acutispira G.B. III Sowerby, 1913 - syn of: Nassaria acutispirata (G.B. III Sowerby, 1913) - (NASSARIIDAE)
- acutispira, Neritopsis acutispira A.E.M. Cossmann, 1886 † - (NERITOPSIDAE) (FOSSIL)
- acutispira, Ringicula acutispira W.H. Turton, 1932 - (RINGICULIDAE)
- acutispiralis, Neptunea acutispiralis T.A. Okutani, 1968 - (BUCCINIDAE)
- acutispirata, Nassaria acutispirata (G.B. III Sowerby, 1913) - (NASSARIIDAE)
- acutispirata obesiformis, Nassaria acutispirata obesiformis (M. Yokoyama, 1920) - (NASSARIIDAE)
- acutispiratum, Buccinum acutispiratum W.H. Dall, 1907 - (BUCCINIDAE)
- acutispiratus, Microfusus acutispiratus G.B. III Sowerby, 1913 - syn of: Nassaria acutispirata (G.B. III Sowerby, 1913) - (NASSARIIDAE)
- acutissima, Discotectonica acutissima (G.B. III Sowerby, 1914) - (ARCHITECTONICIDAE)
- acutissima, Clathropsis acutissima A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- acutissima, Euphaedusa lunanensis acutissima H. Nordsieck, 2003 - (CLAUSILIIDAE)
- acutissima, Cyclophorus acutissima (L. Pfeiffer, 1861) - (CYCLOPHORIDAE)
- acutissima, Graptacme acutissima (R.B. Watson, 1879) - (DENTALIIDAE)
- acutissima, Hirasea acutissima K. Tomiyama, 1996 - (ENDODONTIDAE)
- acutissima, Eulima acutissima (G.B. II Sowerby, 1866) - (EULIMIDAE)
- acutissima, Scissodesma acutissima (R. von Cosel, 1995) - (MACTRIDAE)
- acutissima, Gegania acutissima (W.H. Dall, 1892 †) - (MATHILDIDAE) (FOSSIL)
- acutissima, Melanopsis acutissima J. Gassies, 1871 - (MELANOPSIDAE)
- acutissima, Caracolus acutissima J.B.P.A. Lamarck, 1822 - syn of: Pleurodonte lucerna (O.F. Müller, 1774) - (PLEURODONTIDAE)
- acutissima, Syrnola acutissima A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- acutissima, Turbonilla acutissima T.A. de M. Monterosato, 1884 - (PYRAMIDELLIDAE)
- acutissima, Falciclymenia acutissima Nikolaeva & Ivanovich, 2005 † - (RECTOCLYMENIIDAE) (FOSSIL)
- acutissimum, Solarium acutissimum G.B. III Sowerby, 1914 - syn of: Discotectonica acutissima (G.B. III Sowerby, 1914) - (ARCHITECTONICIDAE)
- acutissimum, Epitonium acutissimum P.F. Röding, 1798 - syn of: Cinguloterebra commaculata (J.F. Gmelin, 1791) - (EPITONIIDAE)
- acutissimum, Prosopeas acutissimum (A. Mousson, 1857) - (SUBULINIDAE)
- acutissimus, Gastrelasmus acutissimus H.A. Pilsbry, 1924 - (GASTRODONTIDAE)
- acutissimus, Geophorus acutissimus (G.B. Sowerby, 1842) - (HELICINIDAE)
- acutissimus, Medionidus acutissimus (I. Lea, 1831) - (UNIONIDAE)
- acutistria, Helix acutistria O. Böttger, 1880 - syn of: Kalitinaia crenimargo (L. Pfeiffer, 1847) - (HELICIDAE)
- acutistriata, Buchia uncitoides acutistriata (Crickmay, 1930 †) - (BUCHIIDAE) (FOSSIL)
- acutistriata, Graptacme acutistriata G. Steiner & A. Kabat, 2004 - (DENTALIIDAE)
- acutistriatum, Spinikosmoceras acutistriatum Robson † - (KOSMOCERATIDAE) (FOSSIL)
- acutisulcata, Trivia acutisulcata A. Kenyon, 1900 - syn of: Cleotrivia globosa (J.E. Gray in G.B. II Sowerby, 1832) - (TRIVIIDAE)
- acutisulcata, Cleotrivia acutisulcata A. Kenyon, 1900 - syn of: Cleotrivia globosa (J.E. Gray in G.B. II Sowerby, 1832) - (TRIVIIDAE)
- Acutitectonica, syn of: Genus Discotectonica J. Marwick, 1931 (ARCHITECTONICIDAE)
- Acutitectonica, syn of: Genus Discotectonica J. Marwick, 1931 (ARCHITECTONICIDAE)
- acutithyra, Penitella acutithyra S. Tchang, C.Y. Tsi & K. Li, 1960 - syn of: Penitella kamakurensis M. Yokoyama, 1922 - (PHOLADIDAE)
- acutiumbonis, Cyrtodontula acutiumbonis (C.C. Stewart, 1920 †) - (CYRTODONTIDAE) (FOSSIL)
- acutiuscula, Volvaria acutiuscula G.B. Sowerby, 1821 † - (ACTEONIDAE) (FOSSIL)
- acutiuscula, Doris acutiuscula (J.J.S. Steenstrup in H.P.C. Møller, 1842) - (DORIDIDAE)
- acutiventris, Polymorphites acutiventris (Venturi & al., 2007 †) - (POLYMORPHITIDAE) (FOSSIL)
- acutiventris, Paramorphites acutiventris Venturi & al., 2007 † - syn of: Polymorphites acutiventris (Venturi & al., 2007 †) - (POLYMORPHITIDAE) (FOSSIL)
- acutocarinata, Levifusus acutocarinata Garvie, 2013 † - (ECHINOFULGURIDAE) (FOSSIL)
- acutocarinata, Lophospira acutocarinata Twenhofel, 1928 † - syn of: Paupospira tropidophora (F.B. Meek, 1873 †) - (LOPHOSPIRIDAE) (FOSSIL)
- acutocarinata, Cheilotomona acutocarinata Tong & Erwin, 2001 † - (MURCHISONIIDAE) (FOSSIL)
- acutocarinata, Elimia clavaeformis acutocarinata (I. Lea, 1841) - (PLEUROCERIDAE)
- acutocarinatus, Pharkidonotus acutocarinatus Yin, 1932 † - (BELLEROPHONTIDAE) (FOSSIL)
- acutocostata, Retroterra acutocostata F. Köhler, 2011 - (CAMAENIDAE)
- acutocostata, Amphissa acutocostata R.A. Philippi, 1844 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- acutocostata, Radiolites acutocostata Adkins, 1930 † - (RADIOLITIDAE) (FOSSIL)
- acutocostata, Constantia acutocostata K. Bandel & T. Kowalke, 1997 - (VANIKORIDAE)
- acutocostatus, Ammonites acutocostatus Klipstein, 1843 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- acutodorsatum, Mesobeloceras acutodorsatum (Dybczynski, 1913 †) - (BELOCERATIDAE) (FOSSIL)
- acutolaterale, Maeneceras acutolaterale (C.L.F. von Sandberger, 1850 †) - (SPORADOCERATIDAE) (FOSSIL)
- acutolateralis, Goniatites acutolateralis C.L.F. von Sandberger, 1850 † - syn of: Maeneceras acutolaterale (C.L.F. von Sandberger, 1850 †) - (GONIATITIDAE) (FOSSIL)
- Acutoliva, Subgenus Oliva (Acutoliva) E.J. Petuch & D.M. Sargent, 1986 (OLIVIDAE)
- Acutomeekoceras, Genus Acutomeekoceras Jenks & al., 2010 † (MEEKOCERATIDAE) (FOSSIL)
- Acutoplax, syn of: Genus Callochiton J.E. Gray, 1847 (CALLOCHITONIDAE)
- Acutorbis, Subgenus Segmentorbis (Acutorbis) G. Mandahl-Barth, 1954 (PLANORBIDAE)
- acutospira, Melanoides acutospira (I. Lea, 1850) - (THIARIDAE)
- Acutospira, syn of: Genus Colpospira J. Donald, 1900 (TURRITELLIDAE)
- Acutostrea, Genus Acutostrea Vyalov , 1936 † (FLEMINGOSTREIDAE) (FOSSIL)
- acutula, Eoancilla acutula L.W. Stephenson, 1941 † - (ANCILLARIIDAE) (FOSSIL)
- acutula, Melanopsis acutula C.G. Vos, 2005 - (MELANOPSIDAE)
- acutula, Melanopsis acutula P.M. Pallary, 1920 - (MELANOPSIDAE)
- acutula, Aclisina acutula (Dawson, 1868 †) - (MURCHISONIIDAE) (FOSSIL)
- acutulla, Eratoidea acutulla T. McCleery, 2011 - (MARGINELLIDAE)
- acutulum, Laboceras acutulum Shevyrev, 1968 † - (APLOCOCERATIDAE) (FOSSIL)
- acutum, Mesobeloceras acutum (Chao, 1956 †) - (BELOCERATIDAE) (FOSSIL)
- acutum, Brachytrema acutum Cox & Arkell † - (BRACHYTREMATIDAE) (FOSSIL)
- acutum, Clypeomorus acutum J.B. Hombron & C.H. Jacquinot, 1852 - syn of: Clypeomorus brevis (J.R.C. Quoy & J.P. Gaimard, 1834) - (CERITHIIDAE)
- acutum, Cochlostoma acutum E. Caziot, 1908 - syn of: Cochlostoma patulum simrothi (C. Pollonera & E. Caziot, 1908) - (COCHLOSTOMATIDAE)
- acutum, Cravenoceras acutum Liang, 1957 † - (CRAVENOCERATIDAE) (FOSSIL)
- acutum, Metengonoceras acutum A. Hyatt, 1903 † - (ENGONOCERATIDAE) (FOSSIL)
- acutum, Acutimitoceras acutum (Schindewolf, 1923 †) - (GATTENDORFIIDAE) (FOSSIL)
- acutum, Girtyoceras acutum Hind, 1918 † - (GIRTYOCERATIDAE) (FOSSIL)
- acutum, Pseudocardioceras acutum (Mojsisovics, 1893 †) - (JUVAVITIDAE) (FOSSIL)
- acutum, Oriostoma acutum Lindström, 1884 † - (ORIOSTOMATIDAE) (FOSSIL)
- acutum, Amphipopanoceras acutum A.M. Popov, 1961 † - (PARAPOPANOCERATIDAE) (FOSSIL)
- acutum, Cyclostoma acutum J.P.R. Draparnaud, 1805 - syn of: Hydrobia acuta (J.P.R. Draparnaud, 1805) - (POMATIIDAE)
- acutum, Imitoceras acutum Schindewolf, 1923 † - syn of: Acutimitoceras acutum (Schindewolf, 1923 †) - (PRIONOCERATIDAE) (FOSSIL)
- acutum, Oxytornoceras acutum (Frech, 1902 †) - (TORNOCERATIDAE) (FOSSIL)
- acutum, Tornoceras acutum Frech, 1902 † - syn of: Oxytornoceras acutum (Frech, 1902 †) - (TORNOCERATIDAE) (FOSSIL)
- acutum, Sandbergeroceras acutum Termier, 1950 † - syn of: Taouzites taouzensis (Termier, 1950 †) - (TRIAINOCERATIDAE) (FOSSIL)
- acutum, Proplina acutum (R.P. Whitfield, 1889 †) - (TRYBLIDIIDAE) (FOSSIL)
- acutum oxynotum, Acutimitoceras acutum oxynotum Bartzsch & Weyer, 1996 † - (GATTENDORFIIDAE) (FOSSIL)
- acutumbonalis, Gibbaspira acutumbonalis He, 1984 † - syn of: Oelandiella korobkovi (Vostokova, 1962 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- acutus, Ammonites acutus Sowerby, 1813 † - syn of: Amaltheus margaritatus de Montford, 1808 † - (AMMONITIDA (unassigned)) (FOSSIL)
- acutus, Xiangulingites acutus J.K. Zhao & al., 1978 † - (ANDERSSONOCERATIDAE) (FOSSIL)
- acutus, Pycnomphalus acutus Lindström, 1884 † - (ANOMPHALIDAE) (FOSSIL)
- acutus, Protohemichenopus acutus (Behrendsen, 1892 †) - (APORRHAIDAE) (FOSSIL)
- acutus, Pararcestes acutus Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- acutus, Aspenites acutus A. Hyatt & Smith, 1905 † - (ASPENITIDAE) (FOSSIL)
- acutus, Belemnites acutus Miller, 1826 † - syn of: Nannobelus acutus (Miller, 1826 †) - (BELEMNITELLIDAE) (FOSSIL)
- acutus, Nannobelus acutus (Miller, 1826 †) - (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- acutus, Placostylus acutus W.J. Clench, 1941 - (BOTHRIEMBRYONTIDAE)
- acutus, Bulimulus guadelupensis acutus W.E. Leach, 1815 - (BULIMULIDAE)
- acutus, Neokimbleia acutus Mitchell, 2013 † - (CAPRINULOIDEIDAE) (FOSSIL)
- acutus, Nehdenites acutus (C.L.F. von Sandberger, 1851 †) - (CHEILOCERATIDAE) (FOSSIL)
- acutus, Chiton acutus P.P. Carpenter, 1855 - syn of: Mopalia acuta (P.P. Carpenter, 1855) - (CHITONIDAE)
- acutus, Conus acutus Deshayes, 1865 † - (CONIDAE) (FOSSIL)
- acutus, Conus acutus G.B. II Sowerby, 1857 - syn of: Harmoniconus musicus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- acutus, Crassinella acutus W.H. Dall, 1903 † - (CRASSATELLIDAE) (FOSSIL)
- acutus, Wallowax acutus A. Nützel & Erwin, 2004 † - (CRYPTAULACIDAE) (FOSSIL)
- acutus, Paratornoceras acutus (G.G. Münster, 1840 †) - (DIMEROCERATIDAE) (FOSSIL)
- acutus, Donax acutus G.P. Deshayes, 1857 † - (DONACIDAE) (FOSSIL)
- acutus, Spirotropis acutus L.M.D. Bellardi in E. Sismonda, 1842 - syn of: Spirotropis modiolus (G.J. De Cristofori & G. Jan, 1832) - (DRILLIIDAE)
- acutus, Luchuconulus acutus (H.A. Pilsbry & Y. Hirase, 1905) - (EUCONULIDAE)
- acutus, Hypermastus acutus (G.B. II Sowerby, 1834) - (EULIMIDAE)
- acutus, Euomphalus acutus Sowerby, 1818 † - (EUOMPHALIDAE) (FOSSIL)
- acutus, Crickites acutus (C.L.F. von Sandberger, 1850 †) - (GEPHUROCERATIDAE) (FOSSIL)
- acutus, Goniatites acutus G.G. Münster, 1840 † - syn of: Paratornoceras acutus (G.G. Münster, 1840 †) - (GONIATITIDAE) (FOSSIL)
- acutus, Goniatites acutus Keyserling, 1844 † - syn of: Timanites keyserlingi Miller & Warren, 1936 † - (GONIATITIDAE) (FOSSIL)
- acutus, Goniatites acutus C.L.F. von Sandberger, 1850 † - syn of: Crickites acutus (C.L.F. von Sandberger, 1850 †) - (GONIATITIDAE) (FOSSIL)
- acutus, Geophorus acutus (L. Pfeiffer, 1848) - (HELICINIDAE)
- acutus, Hipponix acutus J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Hipponix conicus (H.C.F. Schumacher, 1817) - (HIPPONICIDAE)
- acutus, Hyolithes acutus K.E.I. von Eichwald, 1840 † - (HYOLITHIDAE) (FOSSIL)
- acutus, Lithoglyphus acutus Cobalcescu, 1883 † - (LITHOGLYPHIDAE) (FOSSIL)
- acutus, Oxylongobardites acutus Monnet & Bucher, 2005 † - (LONGOBARDITIDAE) (FOSSIL)
- acutus, Malleus acutus S. Clessin, 1890 - syn of: Malleus regula (P. Forsskål in C. Niebuhr, 1775) - (MALLEIDAE)
- acutus, Gyroceratites acutus E.S. Sobolev, 1909 † - syn of: Agoniatites costulatus (d'Archiac & de Verneuil, 1842 †) - (MIMOCERATIDAE) (FOSSIL)
- acutus, Mopalia acutus P.P. Carpenter, 1855 - syn of: Mopalia acuta (P.P. Carpenter, 1855) - (MOPALIIDAE)
- acutus, Nassarius acutus T. Say, 1822 - (NASSARIIDAE)
- acutus, Nautilus acutus J. Von Hauer, 1846 † - syn of: Oxynautilus acutus (J. Von Hauer, 1846 †) - (NAUTILIDAE) (FOSSIL)
- acutus, Babylonites acutus E.L. Yochelson, 1956 † - (OMPHALOTROCHIDAE) (FOSSIL)
- acutus, Kamenushkaites acutus Zakharov & Smyshlyaeva, 2016 † - (PALAEOPHYLLITIDAE) (FOSSIL)
- acutus, Pharciceras acutus Matern, 1931 † - syn of: Taouzites acutus (Matern, 1931 †) - (PHARCICERATIDAE) (FOSSIL)
- acutus, Supplanaxis acutus C.F.F. von Krauss, 1848 - syn of: Supplanaxis niger (J.R.C. Quoy & J.P. Gaimard, 1833) - (PLANAXIDAE)
- acutus, Gyraulus acutus S. Clessin, 1907 - (PLANORBIDAE)
- acutus, Kaloplocamus acutus K. Baba, 1949 - (POLYCERIDAE)
- acutus, Procarnites acutus Spath, 1934 † - (PROCARNITIDAE) (FOSSIL)
- acutus, Cyclopecten acutus G. Grau, 1959 - (PROPEAMUSSIIDAE)
- acutus, Anagymnites acutus (J. Von Hauer, 1892 †) - (PROTEUSITIDAE) (FOSSIL)
- acutus, Pseudotirolites acutus Chao & Liang, 1965 † - (PSEUDOTIROLITIDAE) (FOSSIL)
- acutus, Flexoptychites acutus (Mojsisovic, 1882 †) - (PTYCHITIDAE) (FOSSIL)
- acutus, Soleniscus acutus J. de C. Sowerby, 1827 † - syn of: Macrochilina acuta (J. de C. Sowerby, 1827 †) - (SOLENISCIDAE) (FOSSIL)
- acutus, Euprotomus acutus G. Perry, 1811 - syn of: Euprotomus vomer (P.F. Röding, 1798) - (STROMBIDAE)
- acutus, Subulites acutus Wilson, 1932 † - (SUBULITIDAE) (FOSSIL)
- acutus, Oxynautilus acutus (J. Von Hauer, 1846 †) - (SYRINGONAUTILIDAE) (FOSSIL)
- acutus, Taouzites acutus (Matern, 1931 †) - (TAOUZITIDAE) (FOSSIL)
- acutus, Thiniites acutus (Wang & He, 1976 †) - (TIBETITIDAE) (FOSSIL)
- acutus, Trochus acutus J.B.P.A. Lamarck, 1822 - syn of: Tectus pyramis (I. von Born, 1778) - (TROCHIDAE)
- acutus, Alaskodiscus acutus (J. de C. Sowerby & Murchison, 1839 †) - (TROPIDODISCIDAE) (FOSSIL)
- acutus, Turbo acutus E. Donovan, 1804 - syn of: Turbonilla acuta (E. Donovan, 1804) - (TURBINIDAE)
- acutus, Turrilites acutus Passy, 1832 † - (TURRILITIDAE) (FOSSIL)
- acutus, Unio acutus E.A. Rossmässler, 1837 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- acutus, Unio acutus Sowerby, 1821 † - syn of: Carbonicola acuta (Sowerby, 1821 †) - (UNIONIDAE) (FOSSIL)
- acutus, Eophyllites acutus Wang & C. Chen, 1979 † - (USSURITIDAE) (FOSSIL)
- acutus americanus, Turrilites acutus americanus Cobban & P.H. Scott, 1972 † - (TURRILITIDAE) (FOSSIL)
- acutus michaeli, Lithoglyphus acutus michaeli Cobalcescu, 1883 † - (LITHOGLYPHIDAE) (FOSSIL)
aaa
abx
ack
acy
adn
aer
afs
ajd
alc
alj
alu
amc
ams
and
anh
anp
anu
apl
arb
ard
arh
ars
asr
atl
atu
aus
aut
bab
baj
bao
bas
baw
bem
bes
bid
bim
bit
bli
bom
bos
bov
bre
bri
bry
bum
bys
caa
cak
cam
cao
cas
cau
cem
ces
che
chk
chy
cio
cle
cob
coh
com
con
coo
cos
cot
cre
cri
cru
cud
cuo
cuy
cym
daa
dam
dav
ded
dem
deo
det
dib
dih
dir
dit
dom
dos
duc
duq
eag
ecr
egg
elf
elp
enh
eov
erf
erz
eud
eus
exb
exl
exy
faa
fan
fat
fes
fim
fle
flu
fos
fre
fuf
fur
fut
gaa
gam
gav
geo
gie
gis
gle
glu
goo
gre
gru
gug
guz
haa
ham
has
heb
hem
hes
hif
his
hom
hou
hun
hye
iac
ilm
imt
ind
inf
ing
int
inu
irm
isp
jaa
jao
jaw
joi
juk
kaa
kao
kaz
kes
kio
koc
kot
kuk
laa
lad
laf
lan
las
lau
lec
leo
leq
lew
lim
lio
liu
loo
lub
lun
luv
maa
mad
mah
mam
mao
mas
mav
mee
mem
mes
mey
mid
min
mio
mit
moe
moo
mos
mum
mut
nab
nao
nav
nel
neq
nex
nih
niu
noe
nou
nue
oaf
obn
obu
oci
oke
olk
oos
orc
oro
osu
ove
paa
paf
pam
paq
pas
pau
pay
pem
pes
pfi
phl
pid
pio
ple
plo
pom
pos
pre
pro
pru
psi
pul
pum
pup
put
pys
qag
qub
rab
rah
ras
red
reh
reu
rhu
rin
roc
rot
rox
rue
ruh
ryd
saa
sai
san
sao
sav
sce
sci
scy
sem
sen
ses
shl
sih
sin
sio
smo
som
soy
sph
spj
sra
stg
sts
suc
sum
suv
szo
tab
tal
taq
tay
ten
teo
tes
tha
thl
tif
toc
tos
tre
trl
try
tuc
tus
uac
ume
uni
urd
vaa
vap
vas
vep
ves
vid
vip
vis
vob
vup
waa
wam
weg
who
wom
xac
yaa
yot
zaa
zem
zoo
|