- Hamachiton, syn of: Genus Acanthochitona J.E. Gray, 1821 (ACANTHOCHITONIDAE)
- Hamacuna, Genus Hamacuna B.C. Cotton, 1931 (CONDYLOCARDIIDAE)
- hamadai, Aegista hamadai J.T. Kuroda, 1970 - (BRADYBAENIDAE)
- hamadai, Ginebis hamadai S. Kosuge, 1980 - (CALLIOTROPIDAE)
- hamadai, Radix hamadai T. Habe, 1968 - (LYMNAEIDAE)
- hamadai, Shikokuspira hamadai Nishida, 1969 † - (NERITOPSIDAE) (FOSSIL)
- hamadanica, Theba hamadanica J.R. Bourguignat - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- hamadryados, Acteon hamadryados C.J. Maury, 1910 † - (ACTEONIDAE) (FOSSIL)
- Hamadryas, syn of: Genus Drymaeus J.A. Albers, 1850 (BULIMULIDAE)
- hamadryas, Drymaeus eurystomus hamadryas R.A. Philippi, 1867 - (BULIMULIDAE)
- hamadryas, Uromitra hamadryas J. Gardner, 1937 † - (COSTELLARIIDAE) (FOSSIL)
- hamadryas, Samoana hamadryas D.M. Crampton & C.M. Cooke, 1953 - (PARTULIDAE)
- hamaimense, Ptychoceras laeve hamaimense Pervinquiere, 1907 † - (PTYCHOCERATIDAE) (FOSSIL)
- hamamotoi, Nitidoconus hamamotoi (S. Yoshiba & Y. Koyama, 1984) - (CONIDAE)
- hamamotoi, Hastula hamamotoi E. Tsuchida & M. Tanaka, 1999 - (TEREBRIDAE)
- hamanni, Leptoconus hamanni Fainzilber & H.K. Mienis, 1986 - (CONIDAE)
- hamanni, Cuthona hamanni D.W. Behrens, 1987 - (FIONIDAE)
- hamanni, Flabellina hamanni T.M. Gosliner, 1994 - (FLABELLINIDAE)
- hamanni, Gastropteron hamanni T.M. Gosliner, 1989 - (GASTROPTERIDAE)
- hamanni, Vokesimurex hamanni (B.W. Myers & C.M. Hertz, 1994) - (MURICIDAE)
- hamanni, Elysia hamanni Krug, Vendetti & Valdés, 2016 - (PLAKOBRANCHIDAE)
- hamata, Cassis hamata P.F. Röding, 1798 - syn of: Cassis cornuta (C. Linnaeus, 1758) - (CASSIDAE)
- hamata, Circotheca hamata Z.X. Qian, 1978 † - (CIRCOTHECIDAE) (FOSSIL)
- hamata, Euxinastra hamata O. Böttger, 1888 - (CLAUSILIIDAE)
- hamata, Hamacuna hamata (C. Hedley & W.L. May, 1908) - (CONDYLOCARDIIDAE)
- hamata, Tichkaella hamata D. Geyer, 1986 † - (COREOSPIRIDAE) (FOSSIL)
- hamata, Igorella hamata Yü, 1979 † - (HELCIONELLIDAE) (FOSSIL)
- hamata, Pyrgocythara hamata (P.P. Carpenter, 1865) - (MANGELIIDAE)
- hamata, Saccella hamata F.E. Eames, 1951 † - (NUCULANIDAE) (FOSSIL)
- hamata, Ledella hamata (J. Marwick, 1924 †) - (NUCULANIDAE) (FOSSIL)
- hamata, Nuculana hamata Carpenter, 1864 - (NUCULANIDAE)
- hamata, Nucula hamata P.P. Carpenter, 1864 - syn of: Nuculana hamata Carpenter, 1864 - (NUCULIDAE)
- hamata, Turbonilla hamata F. Nordsieck, 1972 - (PYRAMIDELLIDAE)
- hamata, Vertigo hamata F. Held, 1837 - syn of: Vertigo angustior J.G. Jeffreys, 1830 - (VERTIGINIDAE)
- hamata limata, Leda hamata limata W.H. Dall, 1916 - syn of: Nuculana hamata Carpenter, 1864 - (NUCULANIDAE)
- hamata superata, Turbonilla hamata superata F. Nordsieck, 1972 - (PYRAMIDELLIDAE)
- hamatadens, Benthocardiella hamatadens A.W.B. Powell, 1930 - (CONDYLOCARDIIDAE)
- hamatanii, Scutopus hamatanii H. Saito & Salvini-Plawen, 2014 - (LIMIFOSSORIDAE)
- hamatanii, Elysia hamatanii K. Baba, 1957 - (PLAKOBRANCHIDAE)
- Hamatoconus, Genus Hamatoconus Chen & Xiong, 1984 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- hamatoides, Mytilus hamatoides † - syn of: Homomya hamatoides † - (MYTILIDAE) (FOSSIL)
- hamatoides, Homomya hamatoides † - (PHOLADOMYIDAE) (FOSSIL)
- hamatulae, Epitonium hamatulae H.B. Preston, 1915 - (EPITONIIDAE)
- hamatum, Dentalium hamatum E. Forbes, 1846 - (DENTALIIDAE)
- hamatum, Graphoceras hamatum Buckman † - (GRAPHOCERATIDAE) (FOSSIL)
- hamatus, Acanthochites hamatus A. de Rochebrune, 1882 - syn of: Acanthochitona fascicularis (C. Linnaeus, 1758) - (ACANTHOCHITONIDAE)
- hamatus, Deroceras hamatus Skljar, 1975 - syn of: Deroceras caucasicum (H.R. Simroth, 1901) - (AGRIOLIMACIDAE)
- hamatus, Frechites hamatus Tozer, 1994 † - (BEYRICHITIDAE) (FOSSIL)
- hamatus, Amphidromus hamatus (H.C. Fulton, 1896) - (CAMAENIDAE)
- hamatus, Pterorytis hamatus (R.B. Hinds, 1844) - (MURICIDAE)
- hamatus, Mytilus hamatus T. Say, 1822 - syn of: Ischadium recurvum (C.S. Rafinesque, 1820) - (MYTILIDAE)
- hamatus, Mytilus hamatus T. Say, 1822 - syn of: Ischadium recurvum (C.S. Rafinesque, 1820) - (MYTILIDAE)
- hamatus, Ancistroteuthis hamatus A. Risso, 1854 - syn of: Ancistroteuthis lichtensteini (A.E.J. Férussac, 1835) - (ONYCHOTEUTHIDAE)
- hamatus, Ptychites hamatus Tozer, 1994 † - (PTYCHITIDAE) (FOSSIL)
- hamatus, Uniconomorphites hamatus Farsan, 1994 † - (UNICONOMORPHITIDAE) (FOSSIL)
- hambachi, Solariorbis hambachi (A.M. Strong & L.G. Hertlein, 1939) - (TORNIDAE)
- hambergerae, Bithynia hambergerae A. Reischütz & P.L. Reischütz, 2008 - (BITHYNIIDAE)
- Hambromorula, syn of: Subgenus Morula (Habromorula) R. Houart, 1995 (MURICIDAE)
- hambrovi, Roloboceras hambrovi (E. Forbes, 1845 †) - (DOUVILLEICERATIDAE) (FOSSIL)
- hamburgensis, Ctenodonta hamburgensis Walcott † - (CTENODONTIDAE) (FOSSIL)
- hamelini, Microfragum hamelini T. Iredale, 1949 - syn of: Microfragum erugatum (R. Tate, 1889) - (CARDIIDAE)
- hamellei, Acmaea hamellei P. Fischer, 1857 - syn of: Plesiothyreus hamillei (P. Fischer, 1857) - (ACMAEIDAE)
- hami, Gotlandochiton hami Smith & Toomey, 1964 † - (GOTLANDOCHITONIDAE) (FOSSIL)
- hami, Ceratopea hami E.L. Yochelson & Bridge, 1957 † - (RAPHISTOMATIDAE) (FOSSIL)
- hamianensis, Epicanites hamianensis W. Korn & Ebbighausen, 2006 † - (DARAELITIDAE) (FOSSIL)
- hamicensis, Pseudobithynia hamicensis (P.M. Pallary, 1939) - (BITHYNIIDAE)
- hamilcaris, Cernuella hamilcaris (W. Kobelt, 1877) - (HYGROMIIDAE)
- hamili, Unio hamili McLearn, 1929 † - (UNIONIDAE) (FOSSIL)
- hamillei, Lissachatina fulica hamillei (S.A.A. Petit De La Saussaye, 1859) - (ACHATINIDAE)
- hamillei, Acmaea hamillei P. Fischer, 1857 - syn of: Plesiothyreus hamillei (P. Fischer, 1857) - (ACMAEIDAE)
- hamillei, Neocancilla hamillei S.A.A. Petit De La Saussaye, 1871 - syn of: Neocancilla hebes (L.A. Reeve, 1845) - (MITRIDAE)
- hamillei, Plesiothyreus hamillei (P. Fischer, 1857) - (PHENACOLEPADIDAE)
- hamillei, Fulgoraria hamillei (J.C.H. Crosse, 1869) - (VOLUTIDAE)
- hamillei nipponkaiensis, Fulgoraria hamillei nipponkaiensis T. Shikama, 1967 - (VOLUTIDAE)
- hamillei sinica, Fulgoraria hamillei sinica T. Shikama, 1967 - (VOLUTIDAE)
- hamillei tosaensis, Fulgoraria hamillei tosaensis T. Shikama, 1967 - (VOLUTIDAE)
- hamilli, Conus hamilli J.C.H. Crosse, 1858 - syn of: Phasmoconus erythraeensis (L.A. Reeve, 1843) - (CONIDAE)
- hamillus, Anomia hamillus J.E. Gray, 1850 - syn of: Anomia peruviana A.V.M.D. D'Orbigny, 1846 - (ANOMIIDAE)
- hamiltonae, Cylindritopsis hamiltonae Erwin, 1988 † - (SOLENISCIDAE) (FOSSIL)
- hamiltonense, Girtyoceras hamiltonense W. Korn & Titus, 2011 † - (GIRTYOCERATIDAE) (FOSSIL)
- hamiltonensis, Cyclocardia hamiltonensis (Clark, 1932 †) - (CARDITIDAE) (FOSSIL)
- hamiltonensis, Conus hamiltonensis R. Tate, 1890 † - (CONIDAE) (FOSSIL)
- hamiltonensis, Goniomorpha hamiltonensis (J.W. Hall & R.P. Whitfield, 1869 †) - (GASTROCHAENIDAE) (FOSSIL)
- hamiltonensis, Mactra hamiltonensis R. Tate, 1887 † - (MACTRIDAE) (FOSSIL)
- hamiltonensis, Xenotrophon hamiltonensis (R. Tate, 1888 †) - (MURICIDAE) (FOSSIL)
- hamiltonensis, Mytilus hamiltonensis R. Tate, 1887 † - (MYTILIDAE) (FOSSIL)
- hamiltonensis, Tanea hamiltonensis (J.E. Tenison-Woods, 1879 †) - (NATICIDAE) (FOSSIL)
- hamiltonensis, Paskentana hamiltonensis A. Kaim & al., 2014 † - (PASKENTANIDAE) (FOSSIL)
- hamiltonensis, Gari hamiltonensis R. Tate, 1885 - syn of: Gari livida (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- hamiltonensis, Psammobia hamiltonensis R. Tate, 1885 - syn of: Gari livida (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- hamiltonensis, Ericusa hamiltonensis (Pritchgard, 1898 †) - (VOLUTIDAE) (FOSSIL)
- hamiltoni, Zemacies hamiltoni (F.W. Hutton, 1905 †) - (BORSONIIDAE) (FOSSIL)
- hamiltoni, Cominella hamiltoni (F.W. Hutton, 1885 †) - (BUCCINIDAE) (FOSSIL)
- hamiltoni, Bostryx hamiltoni L.A. Reeve, 1849 - (BULIMULIDAE)
- hamiltoni, Sinumelon hamiltoni G.A. Solem, 1992 - (CAMAENIDAE)
- hamiltoni, Semicassis pyrum hamiltoni (A.W.B. Powell, 1928) - (CASSIDAE)
- hamiltoni, Stenacapha hamiltoni (J.C. Cox, 1868) - (CHAROPIDAE)
- hamiltoni, Chromodoris hamiltoni W.B. Rudman, 1977 - (CHROMODORIDIDAE)
- hamiltoni, Mesonychoteuthis hamiltoni C.W. Robson, 1925 - (CRANCHIIDAE)
- hamiltoni, Kidderia hamiltoni H.J. Finlay, 1926 - syn of: Kidderia bicolor (E.C. Von Martens, 1885) - (CYAMIIDAE)
- hamiltoni, Helix hamiltoni J.C. Cox, 1868 - syn of: Stenacapha hamiltoni (J.C. Cox, 1868) - (HELICIDAE)
- hamiltoni, Laevilitorina hamiltoni (E.A. Smith, 1898) - (LITTORINIDAE)
- hamiltoni, Austropeplea tomentosa hamiltoni R.K. Dell, 1956 - (LYMNAEIDAE)
- hamiltoni, Philobrya hamiltoni (C. Hedley, 1916) - (PHILOBRYIDAE)
- hamiltoni, Phrixgnathus hamiltoni (H.H. Suter, 1896) - (PUNCTIDAE)
- hamiltoni, Laoma hamiltoni H.H. Suter, 1896 - syn of: Phrixgnathus hamiltoni (H.H. Suter, 1896) - (PUNCTIDAE)
- hamiltoni, Pusillina hamiltoni (H.H. Suter, 1898) - (RISSOIDAE)
- hamiltoni, Haurakia hamiltoni (H.H. Suter, 1898) - syn of: Pusillina hamiltoni (H.H. Suter, 1898) - (RISSOIDAE)
- hamiltoni, Ovaleda hamiltoni A.W.B. Powell, 1935 - syn of: Yoldiella hamiltoni (A.W.B. Powell, 1935) - (SAREPTIDAE)
- hamiltoni, Sigmesalia hamiltoni (G.P. Deshayes, 1861 †) - (TURRITELLIDAE) (FOSSIL)
- hamiltoni, Haplocion hamiltoni (W.H. Dall, 1897) - (UROCOPTIDAE)
- hamiltoni, Yoldiella hamiltoni (A.W.B. Powell, 1935) - (YOLDIIDAE)
- hamiltoniae, Kitikamispira hamiltoniae (J.W. Hall, 1860 †) - (EUOMPHALOIDEA (UNASSIGNED)) (FOSSIL)
- hamiltoniae, Gyronema hamiltoniae J.W. Hall, 1860 † - syn of: Kitikamispira hamiltoniae (J.W. Hall, 1860 †) - (LOPHOSPIRIDAE) (FOSSIL)
- hamiltoniae, Loxonema hamiltoniae J.W. Hall, 1859 † - syn of: Palaeozygopleura hamiltoniae (J.W. Hall, 1859 †) - (LOXONEMATIDAE) (FOSSIL)
- hamiltoniae, Palaeozygopleura hamiltoniae (J.W. Hall, 1859 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- hamiltoniae, Soleniscus hamiltoniae J.W. Hall, 1860 † - (SOLENISCIDAE) (FOSSIL)
- hamiltoniana, Prososthenia hamiltoniana (E. Forbes, 1845 †) - (HYDROBIIDAE) (FOSSIL)
- hamiltonorum, Hemiarthrum hamiltonorum T. Iredale & A.F.B. Hull, 1932 - syn of: Hemiarthrum setulosum P.P. Carpenter in W.H. Dall, 1876 - (HEMIARTHRIDAE)
- Haminaea, Genus Haminaea Turton & Kingston, 1930 † (HAMINOEIDAE) (FOSSIL)
- Haminaea, syn of: Genus Haminoea W.H. Turton & J.F. Kingston in Carrington, 1830 (HAMINOEIDAE)
- Haminea, syn of: Genus Haminoea W.H. Turton & J.F. Kingston in Carrington, 1830 (HAMINOEIDAE)
- HAMINEIDAE - syn of Family: HAMINOEIDAE
- Haminella, syn of: Genus Haminoea W.H. Turton & J.F. Kingston in Carrington, 1830 (HAMINOEIDAE)
- Hamineobulla, Genus Hamineobulla T. Habe, 1950 (BULLIDAE)
- Haminoea, Genus Haminoea W.H. Turton & J.F. Kingston in Carrington, 1830 (HAMINOEIDAE)
- HAMINOEIDAE Pilsbry, 1895 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-CEPHALASPIDEA [Order]-HAMINOEOIDEA [Superfamily])
- Hamiota, Genus Hamiota Roe & Hartfield, 2005 (UNIONIDAE)
- Hamitella, Genus Hamitella Breistroffer, 1947 (HAMITIDAE) (FOSSIL)
- Hamites, Genus Hamites Forbes, 1846 † (HAMITIDAE) (FOSSIL)
- Hamiticeras, Genus Hamiticeras Kakabadze & Hoedemaeker, 1997 † (ANCYLOCERATIDAE) (FOSSIL)
- HAMITIDAE Gill, 1871 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-TURRILITINA [Order]-TURRILITOIDEA [Superfamily]) (FOSSIL)
- Hamitoides, Genus Hamitoides Spath, 1925 † (LABECERATIDAE) (FOSSIL)
- hamlinensis, Pyrgulopsis hamlinensis R. Hershler, 1998 - (HYDROBIIDAE)
- hamlingii, Quadricarina hamlingii (Whidborne, 1896 †) - (PORCELLIIDAE) (FOSSIL)
- hamlini, Hoplocrioceras hamlini (F.M. Anderson, 1938 †) - (ACRIOCERATIDAE) (FOSSIL)
- hamlini, Acrioceras hamlini Anderson, 1938 † - (ANCYLOCERATIDAE) (FOSSIL)
- hamlini, Pecten hamlini R. Arnold, 1906 † - (PECTINIDAE) (FOSSIL)
- hamlini, Hendersonina hamlini (R. Arango, 1882) - (POMATIIDAE)
- hamlini, Chondropoma hamlini R. Arango, 1882 - syn of: Hendersonina hamlini (R. Arango, 1882) - (POMATIIDAE)
- hamlini, Finella hamlini (P. Bartsch, 1911) - (SCALIOLIDAE)
- hamlini cerroensis, Hendersonina hamlini cerroensis (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- hamlini xilaensis, Hendersonina hamlini xilaensis (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- Hamlinia, Genus Hamlinia Boehm, 1900 † (CYLINDROBULLINIDAE) (FOSSIL)
- hammadi, Notoplejona hammadi Abbass, 1967 † - (VOLUTIDAE) (FOSSIL)
- hammamensis, Melanopsis hammamensis J. Gassies, 1856 - (MELANOPSIDAE)
- hammani, Vokesimurex hammani B.W. Myers & C.M. Hertz, 1994 - syn of: Vokesimurex hamanni (B.W. Myers & C.M. Hertz, 1994) - (MURICIDAE)
- Hammatoceras, Genus Hammatoceras Unknown † (HAMMATOCERATIDAE) (FOSSIL)
- HAMMATOCERATIDAE Buckman, 1887 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-HILDOCERATOIDEA [Superfamily]) (FOSSIL)
- Hammatocyclus, Genus Hammatocyclus Schindewolf , 1951 † (PERICYCLIDAE) (FOSSIL)
- hammatoptychum, Barrancyloceras hammatoptychum (Uhlig, 1883 †) - (CRIOCERATITIDAE) (FOSSIL)
- hammatoptychum, Acanthodiscus hammatoptychum (Uhlig, 1883 †) - (NEOCOMITIDAE) (FOSSIL)
- Hammatospira, Genus Hammatospira Gordon & Yochelson, 1983 † (PORTLOCKIELLIDAE) (FOSSIL)
- hammatus, Conus hammatus P. Bartsch & H.A. Rehder, 1943 - syn of: Vituliconus circumactus (T. Iredale, 1929) - (CONIDAE)
- hammelli, Gorbyoceras hammelli (Foerste, 1910 †) - (PROTEOCERATIDAE) (FOSSIL)
- hammelli, Spyroceras hammelli Foerste, 1910 † - syn of: Gorbyoceras hammelli (Foerste, 1910 †) - (SPYROCERATIDAE) (FOSSIL)
- hammelus, Liguus flammellus hammelus W.J. Clench, 1934 - (ORTHALICIDAE)
- hammeri, Oreohelix hammeri H.L. Fairbanks, 1984 - (OREOHELICIDAE)
- hammeri, Hudlestoniella hammeri Kaim, Hryniewic, Little & Nakrem, 2017 † - (PSEUDOMELANIIDAE) (FOSSIL)
- hammersmithi, Truncatella hammersmithi P.P. Carpenter, 1837 - syn of: Truncatella subcylindrica (C. Linnaeus, 1767) - (TRUNCATELLIDAE)
- hammesi, Simnia hammesi (H.W. Bertsch & L.J.&A. Bibbey, 1982) - (OVULIDAE)
- hammetti, Anomia hammetti † - (ANOMIIDAE) (FOSSIL)
- hammondae, Purpuradusta hammondae (T. Iredale, 1939) - (CYPRAEIDAE)
- hammondae dampierensis, Purpuradusta hammondae dampierensis F.A. Schilder & W.O. Cernohorsky, 1965 - (CYPRAEIDAE)
- hammondae raysummersi, Purpuradusta hammondae raysummersi F.A. Schilder, 1960 - (CYPRAEIDAE)
- hammondi, Ceccaisculitoides hammondi (Kummel, 1969 †) - (PARAGOCERATIDAE) (FOSSIL)
- hammonis, Helix hammonis H. Strøm, 1765 - syn of: Perpolita hammonis (H. Strøm, 1765) - (HELICIDAE)
- hammonis, Perpolita hammonis (H. Strøm, 1765) - (ZONITIDAE)
- hammonis electrina, Perpolita hammonis electrina (A.A. Gould, 1841) - (ZONITIDAE)
- hamnerorum, Tritonia hamnerorum T.M. Gosliner & M.T. Ghiselin, 1987 - (TRITONIIDAE)
- hamoides, Alaria hamoides W.H. Hudleston, 1889 † - (APORRHAIDAE) (FOSSIL)
- hamolobum, Cheiloceras hamolobum Becker, 1993 † - (CHEILOCERATIDAE) (FOSSIL)
- hamonvillei, Clausilia hamonvillei A.R.J.B. Bavay & P. Dautzenberg, 1899 - (CLAUSILIIDAE)
- hamonvillei, Brotia hamonvillei (A. Brot, 1887) - (PACHYCHILIDAE)
- hamonvillei, Turbonilla hamonvillei P. Dautzenberg & H. Fischer, 1896 - (PYRAMIDELLIDAE)
- hamonvillei, Melania hamonvillei A. Brot, 1887 - syn of: Brotia hamonvillei (A. Brot, 1887) - (THIARIDAE)
- hamonvillei, Trochomorpha hamonvillei P. Dautzenberg - (TROCHOMORPHIDAE)
- hampakuensis, Pygmaeoconus hampakuensis (Kobayashi, 1934 †) - (HYPSELOCONIDAE) (FOSSIL)
- hampakuensis, Palaeacmaea hampakuensis Kobayashi, 1934 † - syn of: Pygmaeoconus hampakuensis (Kobayashi, 1934 †) - (PALAEACMAEIDAE) (FOSSIL)
- hampdenensis, Bonellitia hampdenensis P. Marshall & R. Murdoch, 1923 † - (CANCELLARIIDAE) (FOSSIL)
- hampdenensis, Eulima hampdenensis C.R. Laws, 1935 † - (EULIMIDAE) (FOSSIL)
- hampdenensis, Jupiteria hampdenensis (J. Marwick, 1942 †) - (NUCULANIDAE) (FOSSIL)
- hampdenensis, Lissarca hampdenensis (P. Marshall, 1919 †) - (PHILOBRYIDAE) (FOSSIL)
- hampdenensis, Exilia hampdenensis J. Marwick, 1942 † - (PTYCHATRACTIDAE) (FOSSIL)
- hampdenensis, Pyrgiscilla hampdenensis (R.S. Allan, 1926 †) - (PYRAMIDELLIDAE) (FOSSIL)
- Hampilina, Genus Hampilina Kobayashi , 1958 † (HELCIONELLIDAE) (FOSSIL)
- hampsoni, Neilonella hampsoni J.A. Allen & A. Sanders, 1996 - (NEILONELLIDAE)
- hamptonensis, Hamptoniella hamptonensis (Morris & Lycett) † - (ACMAEIDAE) (FOSSIL)
- hamptonensis, Metriomphalus hamptonensis (Morris & Lycett) † - (ANGARIIDAE) (FOSSIL)
- hamptonensis, Miltha hamptonensis N.H. Ludbrook, 1969 † - (LUCINIDAE) (FOSSIL)
- hamptonensis, Katosira hamptonensis (P. Morris & J. Lycett, 1851 †) - (SETTSASSIIDAE) (FOSSIL)
- hamptoni, Cucullaea hamptoni J. Marwick, 1965 † - (CUCULLAEIDAE) (FOSSIL)
- Hamptonia, syn of: Genus Hamptoniella Wenz, 1938 † (ACMAEIDAE) (FOSSIL)
- Hamptoniella, Genus Hamptoniella Wenz, 1938 † (ACMAEIDAE) (FOSSIL)
- hamsikoeyensis, Kokotschashvilia holotricha hamsikoeyensis V. Hüdec, 1973 - (HYGROMIIDAE)
- hamula, Conchothyra hamula (W.M. Gabb, 1869) - (STRUTHIOLARIIDAE)
- hamulatus, Hamulisphinctes hamulatus Buckman, 1921 † - (PERISPHINCTIDAE) (FOSSIL)
- hamulifera, Scalaria hamulifera Wood, 1847 † - (EPITONIIDAE) (FOSSIL)
- Hamulina, Genus Hamulina Gill, 1871 † (HAMULINIDAE) (FOSSIL)
- HAMULINIDAE Gill, 1871 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-TURRILITINA [Order]-HAMULINOIDEA [Superfamily]) (FOSSIL)
- Hamulinites, Genus Hamulinites Paquier , 1900 † (LEPTOCERATOIDIDAE) (FOSSIL)
- Hamulisphinctes, Genus Hamulisphinctes Buckman, 1921 † (PERISPHINCTIDAE) (FOSSIL)
- hamulus, Cuphotifer hamulus (Eudes-Deslongchamps, 1843 †) - (APORRHAIDAE) (FOSSIL)
- hamulus, Pyktes hamulus (W.M. Gabb, 1864 †) - (PUGNELLIDAE) (FOSSIL)
- hamus, Pietteia hamus (Eudes-Deslongchamps, 1843 †) - (APORRHAIDAE) (FOSSIL)
- hamus, Hamites hamus F.A. von Quenstedt, 1846 † - syn of: Terrestrina quenstedti (Uhlig, 1883 †) - (HAMITIDAE) (FOSSIL)
- Hamus, syn of: Genus Tectarius A. Valenciennes, 1832 (LITTORINIDAE)
- hamus nieortsmindensis, Hamulina hamus nieortsmindensis Eristavi, 1955 † - syn of: Anahamulina nieortsmindensis (Eristavi, 1955 †) - (HAMULINIDAE) (FOSSIL)
- Hamusella, Genus Hamusella Valkov, 1987 † (CYRTONELLIDA (UNASSIGNED)) (FOSSIL)
- Hamusina, Genus Hamusina Gemellaro, 1878 † (CHILODONTIDAE) (FOSSIL)
- hamva, Pleurobranchaea hamva Er. Marcus & Ev. Marcus, 1955 - syn of: Pleurobranchaea inconspicua L.S.R. Bergh, 1897 - (PLEUROBRANCHAEIDAE)
- hamyanus, Unio mancus hamyanus J.R. Bourguignat, 1885 - (UNIONIDAE)
- hamyi, Erosaria hamyi A. de Rochebrune, 1884 - syn of: Erosaria turdus (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- hanagaiana, Turbonilla hanagaiana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- hanagaiana, Chemnitzia hanagaiana S. Nomura, 1938 - syn of: Turbonilla hanagaiana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- hanagaiensis, Syrnola hanagaiensis S. Nomura, 1938 - syn of: Derjuginella rufofasciata (E.A. Smith, 1875) - (PYRAMIDELLIDAE)
- Hanaia, Subgenus Glycymeris (Hanaia) Hayami, 1965 † (GLYCYMERIDIDAE) (FOSSIL)
- Hanaibursa, Genus Hanaibursa Kase, 1984 † (BURSIDAE) (FOSSIL)
- hanaishiensis, Chlamys hanaishiensis O. Masuda, 1962 - syn of: Chlamys albida (W.H. Dall in R. Arnold, 1906) - (PECTINIDAE)
- Hanaispira, Genus Hanaispira Kase, 1984 † (NODODELPHINULIDAE) (FOSSIL)
- hanazakiensis, Buccinum hanazakiensis Unknown - (BUCCINIDAE)
- hanazakiensis, Oenopota hanazakiensis (T. Habe, 1958) - (MANGELIIDAE)
- hanazakiensis, Obesotoma hanazakiensis Auct. non T. Habe, 1958 - syn of: Oenopota cancellata (J.W. Mighels & C.B. Adams, 1842) - (MANGELIIDAE)
- hancockana, Bornella hancockana E.F. Kelaart, 1859 - syn of: Bornella stellifer (A. Adams & L.A. Reeve in A. Adams, 1848) - (BORNELLIDAE)
- hancockensis, Toucasia hancockensis A. Whitney, 1952 † - (REQUIENIIDAE) (FOSSIL)
- hancocki, Maxacteon hancocki W.B. Rudman, 1971 - (ACTEONIDAE)
- hancocki, Buccinum hancocki O.A.L. Mörch, 1857 - syn of: Buccinum glaciale C. Linnaeus, 1761 - (BUCCINIDAE)
- hancocki, Chaetoderma hancocki (G. Schwabl, 1963) - (CHAETODERMATIDAE)
- hancocki, Steironepion hancocki (L.G. Hertlein & A.M. Strong, 1939) - (COLUMBELLIDAE)
- hancocki, Tesseracme hancocki W.K. Emerson, 1956 - (DENTALIIDAE)
- hancocki, Epitonium hancocki H. DuShane, 1970 - (EPITONIIDAE)
- hancocki, Lomanotus hancocki A.M. Norman, 1877 - syn of: Lomanotus marmoratus (J. Alder & A. Hancock, 1845) - (LOMANOTIDAE)
- hancocki, Mangelia hancocki L.G. Hertlein & A.M. Strong, 1939 † - (MANGELIIDAE) (FOSSIL)
- hancocki, Leiosolenus hancocki (T. Soot-Ryen, 1955) - (MYTILIDAE)
- hancocki, Euvola hancocki (G. Grau, 1959) - (PECTINIDAE)
- hancocki, Pseudovermis hancocki D.A. Challis, 1969 - (PSEUDOVERMIDAE)
- hancocki, Pyramidella hancocki A.M. Strong & L.G. Hertlein, 1939 - (PYRAMIDELLIDAE)
- hancocki, Runcina hancocki E. Forbes & S.C.T. Hanley, 1853 - syn of: Runcina coronata (J.L.A. Quatrefages, 1844) - (RUNCINIDAE)
- hancocki, Terebra hancocki T. Bratcher, T.A. Burch & R.D. Burch, 1970 - (TEREBRIDAE)
- hancocki, Macromphalina hancocki (A.M. Strong & L.G. Hertlein, 1939) - (VANIKORIDAE)
- hancocki, Trigonulina hancocki F.R. Bernard, 1969 - syn of: Trigonulina novemcostata (A. Adams & L.A. Reeve, 1850) - (VERTICORDIIDAE)
- Hancockia, Genus Hancockia P.H. Gosse, 1877 (HANCOCKIIDAE)
- hancockianus, Cryptoplax hancockianus Kirkby, 1859 † - syn of: Diadeloplax antiqua (Howse, 1848 †) - (CRYPTOPLACIDAE) (FOSSIL)
- hancockii, Hermaea hancockii S. Trinchese, 1877 - syn of: Hermaea bifida (G. Montagu, 1815) - (HERMAEIDAE)
- HANCOCKIIDAE MacFarland, 1923 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-NUDIBRANCHIA [Order]-TRITONIOIDEA [Superfamily])
- handaqiensis, Prosocoelus handaqiensis Liang, 1980 † - (PROSOCOELIDAE) (FOSSIL)
- handgenae, Dicathais handgenae R. Portell & E.H. Vokes, 1987 † - (MURICIDAE) (FOSSIL)
- handi, Oreohelix handi H.A. Pilsbry & J.H. Ferriss, 1918 - (OREOHELICIDAE)
- handi, Nodulia handi (C. de la Torre, 1927) - (UROCOPTIDAE)
- handi cubicularia, Nodulia handi cubicularia C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- handini, Divarilima handini G.G. Gibson & G.G. Gibson, 1982 - (LIMIDAE)
- handmanni, Craspedopoma handmanni Troll, 1907 † - (CRASPEDOPOMATIDAE) (FOSSIL)
- handmanniana, Melanopsis fossilis handmanniana W. Fischer, 1996 † - (MELANOPSIDAE) (FOSSIL)
- handrecki, Melanochlamys handrecki R.F. Burn, 2010 - (AGLAJIDAE)
- handwerki, Pisidium handwerki V. Sterki, 1899 - syn of: Pisidium nitidum L. Jenyns, 1832 - (SPHAERIIDAE)
- haneilanus, Amphidromus reflexilabris haneilanus (B. Rensch, 1931) - (CAMAENIDAE)
- haneti, Strombina haneti S.A.A. Petit De La Saussaye, 1850 - syn of: Strombina pavonina (R.B. Hinds, 1844) - (COLUMBELLIDAE)
- haneti, Subcancilla haneti S.A.A. Petit De La Saussaye, 1852 - syn of: Subcancilla sulcata (W.J. Swainson, 1825) - (MITRIDAE)
- haneti, Urosalpinx haneti (S.A.A. Petit De La Saussaye, 1856) - (MURICIDAE)
- haneti, Natica haneti C.A. Récluz, 1850 - syn of: Stigmaulax elenae (C.A. Récluz, 1844) - (NATICIDAE)
- haneti, Nerita haneti C.A. Récluz, 1841 - syn of: Nerita morio (G.B. I Sowerby, 1833) - (NERITIDAE)
- Hanetia, syn of: Genus Urosalpinx W. Stimpson, 1865 (MURICIDAE)
- hanetiana, Pacitrigonia hanetiana (A.V.M.D. D'Orbigny, 1842 †) - (TRIGONIIDAE) (FOSSIL)
- hanetiana hectori, Pacitrigonia hanetiana hectori C.A. Fleming, 1987 † - (TRIGONIIDAE) (FOSSIL)
- hanetianus, Solecurtus hanetianus d'Orbigny, 1842 † - (SOLECURTIDAE) (FOSSIL)
- hanetianus, Eurhomalea hanetianus (A.V.M.D. D'Orbigny, 1842 †) - (VENERIDAE) (FOSSIL)
- hangchowensis, Diplommatina hangchowensis H.A. Pilsbry & Y. Hirase, 1908 - (DIPLOMMATINIDAE)
- hangchowensis, Euconulus hangchowensis H.A. Pilsbry - (EUCONULIDAE)
- hangchowensis, Hypselostoma hangchowensis H.A. Pilsbry & Y. Hirase, 1909 - (HYPSELOSTOMATIDAE)
- hangchowensis granum, Diplommatina hangchowensis granum H.A. Pilsbry & Y. Hirase, 1908 - (DIPLOMMATINIDAE)
- hanguense, Dentalium hanguense Cox, 1930 † - (DENTALIIDAE) (FOSSIL)
- hanguensis, Cardita hanguensis Cox, 1930 † - (CARDITIDAE) (FOSSIL)
- hanguensis, Turricula hanguensis Cox, 1930 † - (CLAVATULIDAE) (FOSSIL)
- hanguensis, Vermetus hanguensis Cox, 1930 † - (VERMETIDAE) (FOSSIL)
- hanhaense, Goodhallites hanhaense H. Hass, 1942 † - (BRANCOCERATIDAE) (FOSSIL)
- hanieli, Crimites hanieli Toumanskaya, 1937 † - (ADRIANITIDAE) (FOSSIL)
- hanieli, Proarcestes hanieli Welter † - (ARCESTIDAE) (FOSSIL)
- hanieli, Amphidromus contrarius hanieli B. Rensch, 1931 - (CAMAENIDAE)
- hanieli, Juresanites hanieli (Smith, 1927 †) - (METALEGOCERATIDAE) (FOSSIL)
- Hanielites, Genus Hanielites Welter , 1922 † (KASHMIRITIDAE) (FOSSIL)
- Hanieloceras, syn of: Genus Timorites Haniel , 1915 † (CYCLOLOBIDAE) (FOSSIL)
- hanjiaense, Huaiheceras hanjiaense Zou & C. Chen, 1979 † - (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- hankensis, Physa hankensis Y.I. Starobogatov & L.A. Prozorova, 1989 - (PHYSIDAE)
- hankensis, Cincinna hankensis L.A. Prozorova, 1988 - (VALVATIDAE)
- hankeyana, Anadara hankeyana (L.A. Reeve, 1844) - (ARCIDAE)
- hankeyana, Arca hankeyana L.A. Reeve, 1844 - syn of: Anadara hankeyana (L.A. Reeve, 1844) - (ARCIDAE)
- hankinsi, Colus hankinsi A.H. Clarke, 1960 - syn of: Mohnia danielsseni (H.B.S. Friele, 1879) - (BUCCINIDAE)
- Hanleia, syn of: Genus Hanleya J.E. Gray, 1857 (HANLEYIDAE)
- Hanleya, Genus Hanleya J.E. Gray, 1857 (HANLEYIDAE)
- hanleya, Hanleya hanleya W.I. Bean, 1844 - syn of: Hanleya hanleyi (W.I. Bean, 1844) - (HANLEYIDAE)
- hanleyana, Achatinella apexfulva hanleyana L. Pfeiffer, 1856 - (ACHATINELLIDAE)
- hanleyana, Pomacea hanleyana (E.G. Alderson, 1926) - (AMPULLARIIDAE)
- hanleyana, Fadyenia hanleyana E. Chitty, 1857 - (HELICINIDAE)
- hanleyana, Helicina hanleyana L. Pfeiffer, 1849 - syn of: Olygyra orbiculata (T. Say, 1818) - (HELICINIDAE)
- hanleyana, Castalia hanleyana G.B. II Sowerby, 1869 - syn of: Castalia ambigua (J.B.P.A. Lamarck, 1819) - (HYRIIDAE)
- hanleyana, Mitra hanleyana R.W. Dunker, 1877 - syn of: Mitra inquinata L.A. Reeve, 1844 - (MITRIDAE)
- hanleyana, Lithophaga hanleyana (L.A. Reeve, 1857) - (MYTILIDAE)
- hanleyana, Leiosolenus hanleyana T. Iredale, 1939 - syn of: Lithophaga hanleyana (L.A. Reeve, 1857) - (MYTILIDAE)
- hanleyana, Nassa hanleyana F.P. Marrat, 1880 - syn of: Nassarius catallus (W.H. Dall, 1908) - (NASSARIIDAE)
- hanleyana, Cerithiella hanleyana T.A. de M. Monterosato, 1884 - syn of: Cerithiella metula (S.L. Lovén, 1846) - (NEWTONIELLIDAE)
- hanleyana, Ostrea hanleyana G.B. II Sowerby, 1871 - syn of: Parahyotissa numisma (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- hanleyana, Turritella hanleyana L.A. Reeve, 1849 - syn of: Turritella lentiginosa L.A. Reeve, 1849 - (TURRITELLIDAE)
- hanleyana, Brachypodella hanleyana (L. Pfeiffer) - (UROCOPTIDAE)
- hanleyana, Dosinia hanleyana H. Adams & A. Adams, 1857 - syn of: Dosinia angulosa (R.A. Philippi, 1847) - (VENERIDAE)
- hanleyanum, Bittium hanleyanum T.A. de M. Monterosato, 1889 - syn of: Bittium simplex (J.G. Jeffreys, 1867) - (CERITHIIDAE)
- hanleyanus, Donax hanleyanus R.A. Philippi, 1847 - (DONACIDAE)
- Hanleyanus, Genus Hanleyanus M. Huber, Langleit & Kreipl, 2015 (TELLINIDAE)
- hanleyanus, Trochus hanleyanus L.A. Reeve, 1843 - (TROCHIDAE)
- hanleyanus, Infundibulum nigropunctatus hanleyanus (C.F.F. von Krauss, 1848) - (TROCHIDAE)
- Hanleyella, Genus Hanleyella B.I. Sirenko, 1973 (PROTOCHITONIDAE)
- hanleyellai, Leptochitonicola hanleyellai Avdeev & B.I. Sirenko, 2005 - syn of: Leptochiton rugatus (P.P. Carpenter in H.A. Pilsbry, 1892) - (LEPTOCHITONIDAE)
- hanleyi, Akera hanleyi A. Adams in G.B. II Sowerby, 1850 - syn of: Akera bullata O.F. Müller, 1776 - (AKERIDAE)
- hanleyi, Pomacea hanleyi (L.A. Reeve, 1856) - (AMPULLARIIDAE)
- hanleyi, Solarium hanleyi G.B. II Sowerby in S.C.T. Hanley, 1863 - syn of: Architectonica perspectiva (C. Linnaeus, 1767) - (ARCHITECTONICIDAE)
- hanleyi, Bulla hanleyi A. Adams in G.B. II Sowerby, 1850 - syn of: Akera bullata O.F. Müller, 1776 - (BULLIDAE)
- hanleyi, Cerithium hanleyi G.B. II Sowerby, 1855 - syn of: Cerithium zonatum (W. Wood, 1828) - (CERITHIIDAE)
- hanleyi, Chaetopleura hanleyi W.I. Bean in C. Thorpe, 1844 - syn of: Hanleya hanleyi (W.I. Bean, 1844) - (CHAETOPLEURIDAE)
- hanleyi, Acanthopleura hanleyi W.I. Bean in C. Thorpe, 1844 - syn of: Hanleya hanleyi (W.I. Bean, 1844) - (CHITONIDAE)
- hanleyi, Chiton hanleyi W.I. Bean in C. Thorpe, 1844 - syn of: Hanleya hanleyi (W.I. Bean, 1844) - (CHITONIDAE)
- hanleyi, Mitrella floccata hanleyi (G.P. Deshayes, 1863) - (COLUMBELLIDAE)
- hanleyi, Conus hanleyi G.B. II Sowerby, 1857 - syn of: Lautoconus ventricosus (J.F. Gmelin, 1791) - (CONIDAE)
- hanleyi, Vexillum hanleyi W.L.H. Dohrn, 1862 - syn of: Atlantilux exigua (C.B. Adams, 1845) - (COSTELLARIIDAE)
- hanleyi, Glycymeris hanleyi (G.F. Angas, 1879) - (GLYCYMERIDIDAE)
- hanleyi, Axinaea hanleyi G.F. Angas, 1879 - syn of: Glycymeris hanleyi (G.F. Angas, 1879) - (GLYCYMERIDIDAE)
- hanleyi, Haliotis hanleyi C.M.F. Ancey, 1881 - syn of: Haliotis jacnensis L.A. Reeve, 1846 - (HALIOTIDAE)
- hanleyi, Hanleya hanleyi (W.I. Bean, 1844) - (HANLEYIDAE)
- hanleyi, Haedropleura hanleyi É.A.A. Locard, 1892 - (HORAICLAVIDAE)
- hanleyi, Nebularia hanleyi G.B. II Sowerby, 1874 - syn of: Nebularia avenacea L.A. Reeve, 1845 - (MITRIDAE)
- hanleyi, Lepsiella hanleyi G.F. Angas, 1867 - syn of: Bedeva paivae (J.C.H. Crosse, 1864) - (MURICIDAE)
- hanleyi, Murex hanleyi P. Dautzenberg, 1887 - syn of: Ocenebra erinaceus hanleyi P. Dautzenberg, 1887 - (MURICIDAE)
- hanleyi, Ocenebra erinaceus hanleyi P. Dautzenberg, 1887 - (MURICIDAE)
- hanleyi, Modiolatus hanleyi (R.W. Dunker, 1882) - (MYTILIDAE)
- hanleyi, Nuculana hanleyi G.F. Angas, 1873 - syn of: Nuculana crassa (R.B. Hinds, 1843) - (NUCULANIDAE)
- hanleyi, Nucula hanleyi R. Winckworth, 1931 - (NUCULIDAE)
- hanleyi, Phaxas hanleyi R.W. Dunker, 1862 - syn of: Siliqua albida (Adams & L.A. Reeve, 1850) - (PHARIDAE)
- hanleyi, Atrina hanleyi L.A. Reeve, 1858 - syn of: Atrina pectinata (C. Linnaeus, 1758) - (PINNIDAE)
- hanleyi, Supplanaxis hanleyi E.A. Smith, 1872 - syn of: Supplanaxis niger (J.R.C. Quoy & J.P. Gaimard, 1833) - (PLANAXIDAE)
- hanleyi, Endothyrella hanleyi (H.H. Godwin-Austen, 1879) - (PLECTOPYLIDAE)
- hanleyi, Sanguinolaria hanleyi V. Bertin, 1878 - syn of: Psammotella bertini (H.A. Pilsbry & Lowe, 1932) - (PSAMMOBIIDAE)
- hanleyi, Crassispira hanleyi (P.P. Carpenter, 1856) - (PSEUDOMELATOMIDAE)
- hanleyi, Rissoina hanleyi G. Schwartz, 1860 - syn of: Rissoina fasciata A. Adams, 1851 - (RISSOINIDAE)
- hanleyi, Semele hanleyi G.F. Angas, 1879 - (SEMELIDAE)
- hanleyi, Synapterpes hanleyi (L. Pfeiffer, 1846) - (SUBULINIDAE)
- hanleyi, Macomopsis hanleyi (R.W. Dunker, 1853) - (TELLINIDAE)
- hanleyi, Jitlada hanleyi M. Huber, A. Langleit & K. Kreipl, 2015 - (TELLINIDAE)
- hanleyi, Tellina hanleyi V. Bertin, 1878 - syn of: Psammotella bertini (H.A. Pilsbry & Lowe, 1932) - (TELLINIDAE)
- hanleyi, Melania hanleyi H.H. Godwin-Austen, 1872 - syn of: Brotia godwini (A. Brot, 1874) - (THIARIDAE)
- hanleyi, Tapes hanleyi G.B. II Sowerby, 1852 - syn of: Transennella angulifera (G.B. II Sowerby, 1851) - (VENERIDAE)
- hanleyi, Venerupis hanleyi É. Lamy, 1922 - syn of: Irus carditoides J.B.P.A. Lamarck, 1818 - (VENERIDAE)
- hanleyi, Notopala hanleyi G.R. von Frauenfeld, 1864 - syn of: Notopala sublineata hanleyi (G.R. von Frauenfeld, 1864) - (VIVIPARIDAE)
- hanleyi, Paludina hanleyi G.R. von Frauenfeld, 1864 - syn of: Notopala sublineata hanleyi (G.R. von Frauenfeld, 1864) - (VIVIPARIDAE)
- hanleyi, Notopala sublineata hanleyi (G.R. von Frauenfeld, 1864) - (VIVIPARIDAE)
- hanleyi antiguensis, Mitra hanleyi antiguensis G.W. Nowell-Usticke, 1969 - syn of: Atlantilux exigua (C.B. Adams, 1845) - (MITRIDAE)
- hanleyi benisafiensis, Ocenebra hanleyi benisafiensis P.M. Pallary, 1900 - syn of: Ocenebra erinaceus (C. Linnaeus, 1758) - (MURICIDAE)
- hanleyi dalli, Hanleya hanleyi dalli R.J. Kass, 1957 - syn of: Hanleya hanleyi (W.I. Bean, 1844) - (HANLEYIDAE)
- hanleyi debilis, Hanleya hanleyi debilis J.E. Gray, 1857 - syn of: Hanleya hanleyi (W.I. Bean, 1844) - (HANLEYIDAE)
- Hanleyia, syn of: Genus Hanleya J.E. Gray, 1857 (HANLEYIDAE)
- hanleyianum, Pleurobema hanleyianum I. Lea, 1852 - (UNIONIDAE)
- HANLEYIDAE Bergenhayn, 1955 - Family (POLYPLACOPHORA-NEOLORICATA [Subclass]-LEPIDOPLEURIDA [Order]-LEPIDOPLEURINA [Suborder])
- hanleyorum, Oliva hanleyorum E.J. Petuch & D.M. Sargent, 1986 - syn of: Oliva cylindrica F.P. Marrat, 1867 - (OLIVIDAE)
- hanna, Mangelia hanna K.H.J. Thiele, 1925 - (MANGELIIDAE)
- hanna, Yoldiella hanna J.A. Allen, A. Sanders & G. Hannah, 1995 - (YOLDIIDAE)
- hannae, Herilla bosniensis hannae H. Nordsieck, 1971 - (CLAUSILIIDAE)
- hannae, Proserpinella hannae W.H. Dall, 1926 - (PROSERPINELLIDAE)
- hannafordi, Livonia hannafordi F. McCoy, 1866 † - (VOLUTIDAE) (FOSSIL)
- hannai, Anomia hannai L.W. Wiedey, 1929 † - (ANOMIIDAE) (FOSSIL)
- hannai, Perissoptera hannai (E.C. Allison, 1955 †) - (APORRHAIDAE) (FOSSIL)
- hannai, Naesiotus hannai H.A. Pilsbry, 1927 - (BULIMULIDAE)
- hannai, Trigoniocardia hannai A.A. Olsson, 1932 † - (CARDIIDAE) (FOSSIL)
- hannai, Dentalium hannai F. Baker, 1925 - syn of: Graptacme semistriata (W. Turton, 1819) - (DENTALIIDAE)
- hannai, Eocanadoceras hannai Anderson, 1958 † - (DESMOCERATIDAE) (FOSSIL)
- hannai, Haliotis discus hannai T. Ino, 1953 - (HALIOTIDAE)
- hannai, Helminthoglypta hannai H.A. Pilsbry, 1927 - (HELMINTHOGLYPTIDAE)
- hannai, Xenoceltites hannai (Mathews, 1929 †) - (KASHMIRITIDAE) (FOSSIL)
- hannai, Eutrephoceras hannai E.H. Vokes, 1937 † - (NAUTILIDAE) (FOSSIL)
- hannai, Toltecia hannai B. Roth, 1985 - (PUNCTIDAE)
- hannai, Turbonilla hannai A.M. Strong, 1938 - (PYRAMIDELLIDAE)
- hannai, Pisidium hannai V. Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- hannai, Strobilops hannai H.A. Pilsbry, 1931 - (STROBILOPSIDAE)
- hannai, Solariorbis hannai (A.M. Strong & L.G. Hertlein, 1939) - (TORNIDAE)
- hannai, Triphora hannai F. Baker, 1926 - (TRIPHORIDAE)
- hannai, Onchidiopsis hannai W.H. Dall, 1916 - (VELUTINIDAE)
- hannai, Schwartziella hannai (A.G. Smith & W.J. Gordon, 1948) - (ZEBINIDAE)
- hannai diodon, Helminthoglypta hannai diodon H.A. Pilsbry, 1927 - (HELMINTHOGLYPTIDAE)
- Hannaites, Genus Hannaites Imlay, 1957 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- hannana, Anachis hannana (L.G. Hertlein & A.M. Strong, 1951) - (COLUMBELLIDAE)
- hannanensis, Natica hannanensis J.Y. Liu, 1977 - (NATICIDAE)
- Hannaoceras, Genus Hannaoceras Tomlin , 1931 † (TRACHYCERATIDAE) (FOSSIL)
- Hannarabdotus, syn of: Genus Rabdotus J.A. Albers, 1850 (BULIMULIDAE)
- Hannatoma, Genus Hannatoma Olsson , 1931 † (THIARIDAE) (FOSSIL)
- hannelorae, Tylomelania hannelorae T. von Rintelen & M. Glaubrecht, 2008 - (PACHYCHILIDAE)
- hannensis, Opeas hannensis (P.C.A.S.L. Rang, 1831) - (SUBULINIDAE)
- Hannestheronia, Genus Hannestheronia Vinther & al., 2012 † (STROBILEPIDAE) (FOSSIL)
- hanni, Hydra hanni J.W. Brazier, 1876 - syn of: Sphaerospira mourilyani (J.W. Brazier, 1875) - (CAMAENIDAE)
- hanni, Helix hanni J.W. Brazier, 1876 - syn of: Sphaerospira mourilyani (J.W. Brazier, 1875) - (HELICIDAE)
- hanni, Griesbachites hanni Mojsisovics, 1896 † - (JUVAVITIDAE) (FOSSIL)
- hannibalensis, Ectogrammysia hannibalensis (Shumard & Swallow, 1858 †) - (GRAMMYSIIDAE) (FOSSIL)
- hannibalensis, Goniocyclus hannibalensis Work, 2002 † - (PERICYCLIDAE) (FOSSIL)
- hannibali, Eocernina hannibali (R.E. Dickerson, 1914 †) - (AMPULLINIDAE) (FOSSIL)
- hannibali, Placunanomia hannibali H.K. Jordan & L.G. Hertlein, 1926 † - (ANOMIIDAE) (FOSSIL)
- hannibali, Calliostoma hannibali L.G. Hertlein, 1927 † - (CALLIOSTOMATIDAE) (FOSSIL)
- hannibali, Lucinoma hannibali Clark, 1925 † - (LUCINIDAE) (FOSSIL)
- hannibali, Spisula hannibali Clark & R. Arnold, 1923 † - (MACTRIDAE) (FOSSIL)
- hannibali, Leionucula hannibali (Clark, 1925 †) - (NUCULIDAE) (FOSSIL)
- hannibali suworovi, Leionucula hannibali suworovi Pronina, 1980 † - syn of: Leionucula hannibali (Clark, 1925 †) - (NUCULIDAE) (FOSSIL)
- hannibalis, Koninckites hannibalis F. Toula, 1896 † - syn of: Nicomedites osmani F. Toula, 1896 † - (BEYRICHITIDAE) (FOSSIL)
- hanningtoni, Thapsia hanningtoni (E.A. Smith, 1890) - (UROCYCLIDAE)
- hannoni, Turbonilla hannoni P.M. Pallary, 1920 - (PYRAMIDELLIDAE)
- hannoni, Turbonilla hannoni P.M. Pallary, 1912 - syn of: Turbonilla pumila G. Seguenza, 1876 - (PYRAMIDELLIDAE)
- Hannonia, syn of: Genus Nassarius Duméril, 1805 (NASSARIIDAE)
- hannonicus, Hexaplex hannonicus Briart & Cornet, 1887 † - (MURICIDAE) (FOSSIL)
- hannonis, Gibbula hannonis P. Fischer & É.A.A. Locard, 1897 - (TROCHIDAE)
- hannoverana, Nannodiella hannoverana (F. Kautsky, 1925 †) - (CLATHURELLIDAE) (FOSSIL)
- hannyae, Cerodrillia hannyae D. De Jong & H.E. Coomans, 1988 - (DRILLIIDAE)
- hanoverensis, Nuculoidea hanoverensis Kindle † - (NUCULIDAE) (FOSSIL)
- hanoverensis, Perotrochus hanoverensis Kellum, 1926 † - (PLEUROTOMARIIDAE) (FOSSIL)
- hanraveni, Nassarius hanraveni H.H. Kool & H. Dekker, 2006 - (NASSARIIDAE)
- hansbechi, Runcina hansbechi R.L. Schmekel & D. Cappellato, 2001 - (RUNCINIDAE)
- hansboetersi, Bythinella hansboetersi P. Glöer & V.M. Pešic, 2006 - (BYTHINELLIDAE)
- hanseata, Acanthocardia hanseata F. Kautsky, 1925 † - (CARDIIDAE) (FOSSIL)
- hanseata, Nuculoma haesendoncki hanseata (F. Kautsky, 1925) † - (NUCULIDAE) (FOSSIL)
- hanseata, Unedogemmula hanseata (F. Kautsky, 1925 †) - (TURRIDAE) (FOSSIL)
- hanselmani, Chaetopleura hanselmani (A. Ferreira, 1982) - (CHAETOPLEURIDAE)
- hanselmani, Placiphorella hanselmani K.B. Clark, 1994 - (MOPALIIDAE)
- hansenae, Pusia hansenae W.O. Cernohorsky, 1973 - (COSTELLARIIDAE)
- hansenae, Splendrillia hansenae F.E. Wells, 1990 - (DRILLIIDAE)
- hansenae, Nassarius hansenae H.H. Kool, 1996 - (NASSARIIDAE)
- hansenae, Amoria hansenae H. Morrison, 2012 - (VOLUTIDAE)
- hanseni, Acteonina hanseni Hoare, 2004 † - (ACTEONINIDAE) (FOSSIL)
- hanseni, Leurorthoceras hanseni Foerste, 1921 † - (ACTINOCERATIDAE) (FOSSIL)
- hanseni, Neptunea hanseni H.B.S. Friele, 1879 - syn of: Colus sabini (J.E. Gray, 1824) - (BUCCINIDAE)
- hanseni, Neoprososthenia hanseni (R.A.M. Brandt, 1970) - (POMATIOPSIDAE)
- hanseni, Macromphalina hanseni Ward & B.W. Blackwelder, 1987 † - (VANIKORIDAE) (FOSSIL)
- Hansenoteuthis, syn of: Genus Vampyroteuthis C. Chun, 1903 (VAMPYROTEUTHIDAE)
- hansgei, Liostomia hansgei A. Warén, 1991 - (PYRAMIDELLIDAE)
- hanshassi, Rolaniconus hanshassi (F.Jr. Lorenz & J.P. Barbier, 2012) - (CONIDAE)
- hanshassi, Rolaniconus hanshassi F.Jr. Lorenz & J.P. Barbier, 2012 - syn of: Rolaniconus hanshassi (F.Jr. Lorenz & J.P. Barbier, 2012) - (CONIDAE)
- hansi, Hoffmannola hansi Er. Marcus & Ev. Marcus, 1967 - (ONCHIDIIDAE)
- hansi, Turbonilla hansi A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- hansineensis, Olea hansineensis Agersborg, 1923 - (LIMAPONTIIDAE)
- hansposti, Trivellona hansposti Fehse, 2017 - (TRIVIIDAE)
- hansrosaorum, Hoplodoris hansrosaorum M. Domínguez, F.J. García & J.S. Troncoso, 2006 - (DISCODORIDIDAE)
- hansturneri, Mitra hansturneri E.G. Guillot de Suduiraut, 2009 - (MITRIDAE)
- hanswagneri, Cochlostoma pinteri hanswagneri Z. Fehér, 2004 - (COCHLOSTOMATIDAE)
- hantaishanensis, Solariconulus hantaishanensis Zhu, 1995 † - (TROCHIDAE) (FOSSIL)
- hantkei, Euaspidoceras hantkei Jeannet, 1951 † - (ASPIDOCERATIDAE) (FOSSIL)
- hantkeni, Vicetia hantkeni (Lefèvre 1878 †) - (CYPRAEIDAE) (FOSSIL)
- hantkeni, Lamellotis hantkeni Horvath, 1966 † - (LAMELLOTIDAE) (FOSSIL)
- hantkeni, Boskovicia hantkeni Lörenthey, 1893 † - (LYMNAEIDAE) (FOSSIL)
- hantkeni, Melanopsis hantkeni Hofmann, 1870 † - (MELANOPSIDAE) (FOSSIL)
- hantkeni, Hantkeniceras hantkeni Schloenbach, 1867 † - (PHYLLOCERATIDAE) (FOSSIL)
- Hantkeniceras, Genus Hantkeniceras Schloenbach, 1867 † (PHYLLOCERATIDAE) (FOSSIL)
- hantonensis, Sigatica hantonensis Pilkington, 1804 † - syn of: Sigatica hantoniensis (Pilkington, 1804 †) - (NATICIDAE) (FOSSIL)
- hantonensis, Plicatula hantonensis Brydone † - (PLICATULIDAE) (FOSSIL)
- hantoniensis, Sigatica hantoniensis (Pilkington, 1804 †) - (NATICIDAE) (FOSSIL)
- hantoniensis, Bertinella hantoniensis (F.E. Edwards, 1847 †) - (TELLINIDAE) (FOSSIL)
- hantzperguei, Aulacostephanus hantzperguei Borrelli, 2014 † - (AULACOSTEPHANIDAE) (FOSSIL)
- hanumani, Cremnoconchus hanumani D.G. Reid, N.A. Aravind & N.A. Madhyastha, 2013 - (LITTORINIDAE)
- hanusi, Homoctenus hanusi Boucek, 1964 † - (HOMOCTENIDAE) (FOSSIL)
- hanusi, Hanusispira hanusi Frýda & Manda, 1997 † - (LOPHOSPIRIDAE) (FOSSIL)
- hanusi, Palaeozygopleura hanusi Horný, 1955 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- hanusi, Sinuites hanusi Horný, 1997 † - (SINUITIDAE) (FOSSIL)
- hanusi, Crispoceras hanusi Chlupac & Turek, 1983 † - (WERNEROCERATIDAE) (FOSSIL)
- Hanusispira, Genus Hanusispira Horný, 1992 † (LOPHOSPIRIDAE) (FOSSIL)
- hanwangensis, Eucycloscala hanwangensis Pan, 1982 † - (EUCYCLOSCALIDAE) (FOSSIL)
- hanwangensis, Sisenna hanwangensis Pan, 1982 † - (PLEUROTOMARIIDAE) (FOSSIL)
- hanza, Leptoconus hanza Noetling, 1901 † - (CONIDAE) (FOSSIL)
- hanzawai, Loochooia hanzawai F.S. MacNeil, 1961 † - (BUCCINIDAE) (FOSSIL)
- hanzawai, Carditella hanzawai S. Nomura, 1933 - (CONDYLOCARDIIDAE)
- hanzawai, Tucetona hanzawai (S. Nomura & N. Zinbo, 1934) - (GLYCYMERIDIDAE)
- hanzawai, Tucetonella hanzawai S. Nomura & N. Zinbo, 1934 - syn of: Tucetona hanzawai (S. Nomura & N. Zinbo, 1934) - (GLYCYMERIDIDAE)
- hanzawai, Syrnola hanzawai S. Nomura, 1939 - (PYRAMIDELLIDAE)
- hanzawai, Gafrarium hanzawai S. Nomura & Jinbo, 1936 - syn of: Dorisca amica (E.A. Smith, 1885) - (VENERIDAE)
- hanzawai, Lyria hanzawai F.S. MacNeil, 1960 † - (VOLUTIDAE) (FOSSIL)
- hanzoganensis, Beringius hanzoganensis M. Yokoyama, 1928 - (BUCCINIDAE)
- Haoceras, Genus Haoceras Balini & Zou, 2015 † (TRACHYCERATIDAE) (FOSSIL)
- haochongensis, Gyliotrachela haochongensis S. Panha & J.B. Burch, 2002 - (HYPSELOSTOMATIDAE)
- hapala, Seguenzia hapala W.P. Woodring, 1928 - (SEGUENZIIDAE)
- Hapalochlaena, Genus Hapalochlaena G.C. Robson, 1929 (OCTOPODIDAE)
- Hapaloctopus, syn of: Genus Danoctopus L.M.A.O.E. Joubin, 1933 (OCTOPODIDAE)
- hapaloides, Lamellaxis hapaloides (E.C. Von Martens, 1898) - (SUBULINIDAE)
- Hapalorbis, Subgenus Solariorbis (Hapalorbis) W.P. Woodring, 1957 (TORNIDAE)
- Hapalus, syn of: Genus Curvella M.A. Chaper, 1885 (SUBULINIDAE)
- Hapata, syn of: Genus Viana H. Adams & A. Adams, 1856 (HELICINIDAE)
- hapax, Metaxia hapax J. van der Linden, 1998 - (TRIPHORIDAE)
- hapkei, Polyptychites hapkei Jeletzky & Kemper, 1988 † - (POLYPTYCHITIDAE) (FOSSIL)
- Haploceras, Genus Haploceras Zittel , 1870 † (HAPLOCERATIDAE) (FOSSIL)
- HAPLOCERATIDAE Zittel, 1884 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-HAPLOCERATOIDEA [Superfamily]) (FOSSIL)
- haplochila, Sulcerato haplochila (J.C. Melvill & R. Standen, 1903) - (TRIVIIDAE)
- haplochrous, Bulimulus haplochrous L. Pfeiffer, 1855 - (BULIMULIDAE)
- Haplocion, Subgenus Holospira (Haplocion) H.A. Pilsbry, 1902 (UROCOPTIDAE)
- Haplocochlias, Genus Haplocochlias P.P. Carpenter, 1864 (SKENEIDAE)
- haplocochlion, Miradiscops haplocochlion F.G. Thompson, 1967 - (SCOLODONTIDAE)
- Haplodon, syn of: Genus Modulus J.E. Gray, 1842 (MODULIDAE)
- Haplohelix, Genus Haplohelix H.A. Pilsbry, 1919 (BRADYBAENIDAE)
- Haplomena, Subgenus Haplotrema (Haplomena) F.C. Baker, 1931 (HAPLOTREMATIDAE)
- Haplomochlia, syn of: Genus Gari H.C.F. Schumacher, 1817 (PSAMMOBIIDAE)
- haplomorpha, Trivellona haplomorpha Fehse, 2017 - (TRIVIIDAE)
- Haplonepion, Subgenus Ptychotrema (Haplonepion) H.A. Pilsbry, 1919 (STREPTAXIDAE)
- Haplophylloceras, Genus Haplophylloceras Spath, 1925 † (PHYLLOCERATIDAE) (FOSSIL)
- haplophyllus, Tissotioides haplophyllus (Redtenbacher, 1873 †) - (TISSOTIIDAE) (FOSSIL)
- Haploplax, Subgenus Ischnochiton (Haploplax) H.A. Pilsbry, 1894 (ISCHNOCHITONIDAE)
- haploplax, Holospira haploplax F.G. Thompson & E.L. Mihalcik, 2005 - (UROCOPTIDAE)
- Haplopleuroceras, Genus Haplopleuroceras Buckman, 1907 † (HAMMATOCERATIDAE) (FOSSIL)
- Haploptychius, Genus Haploptychius O.F. von Möllendorff, 1905 (STREPTAXIDAE)
- haploptychus, Kammerkarites haploptychus (Wahner, 1882 †) - (SCHLOTHEIMIIDAE) (FOSSIL)
- Haploptyxis, Genus Haploptyxis Akopyan, 1976 † (OPISTHOBRANCHIA (UNASSIGNED)) (FOSSIL)
- Haplopupa, syn of: Genus Vertigo O.F. Müller, 1774 (VERTIGINIDAE)
- Haploscaphites, Genus Haploscaphites † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Haplospira, syn of: Genus Holopea Hall, 1847 † (HOLOPEIDAE) (FOSSIL)
- Haplostemma, syn of: Subgenus Holospira (Bostrichocentrum) H. Strebel & G.J. Pfeffer, 1880 (UROCOPTIDAE)
- haplostylus, Obeliscus haplostylus (L. Pfeiffer, 1848) - (SUBULINIDAE)
- Haplothaerus, syn of: Genus Anodontites J.G. Bruguière, 1792 (MYCETOPODIDAE)
- Haplotrema, Genus Haplotrema C.M.F. Ancey, 1881 (HAPLOTREMATIDAE)
- haplotrema, Strialuna haplotrema H.B. Baker, 1935 - (THYSANOPHORIDAE)
- HAPLOTREMATIDAE H.B. Baker, 1925 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-RHYTIDOIDEA [Superfamily])
- Haplovoluta, Genus Haplovoluta Wade, 1918 † (FASCIOLARIIDAE) (FOSSIL)
- haplozona, Bradybaena haplozona (O.F. von Möllendorff, 1899) - (BRADYBAENIDAE)
- haplus, Vespericola haplus (S.S. Berry, 1933) - (POLYGYRIDAE)
- Happia, Genus Happia J.R. Bourguignat, 1889 (SCOLODONTIDAE)
- Happiella, Subgenus Happia (Happiella) F.C. Baker, 1925 (SCOLODONTIDAE)
- hapsideus, Plectonotus hapsideus A.H. Clarke, 1913 † - (PLECTONOTIDAE) (FOSSIL)
- hapsis, Aegires hapsis S.J. Fahey & T.M. Gosliner, 2004 - (AEGIRIDAE)
- Haptochlaena, syn of: Genus Hapalochlaena G.C. Robson, 1929 (OCTOPODIDAE)
- haptoderma, Trochomorpha haptoderma J.J. Vermeulen, T.S. Liew & M. Schilthuizen, 2015 - (TROCHOMORPHIDAE)
- Haptotrema, syn of: Genus Haplotrema C.M.F. Ancey, 1881 (HAPLOTREMATIDAE)
- haptricola, Tentaoculus haptricola B.A. Marshall, 1986 - (PSEUDOCOCCULINIDAE)
- haptricola, Dillwynella haptricola B.A. Marshall, 1988 - (SKENEIDAE)
- hara, Ussurites hara (Diener, 1895 †) - (USSURITIDAE) (FOSSIL)
- haraldi, Pleurehdera haraldi Er. Marcus & Ev. Marcus, 1970 - (PLEUROBRANCHIDAE)
- haraldi, Turbo haraldi (R. Robertson, 1957) - (TURBINIDAE)
- haraldi, Halopsephus haraldi R. Robertson, 1957 - syn of: Turbo haraldi (R. Robertson, 1957) - (TURBINIDAE)
- harananae, Pilula harananae K.C. Emberton, 1994 - (CHAROPIDAE)
- harananae, Boucardicus harananae K.C. Emberton, 1994 - (CYCLOPHORIDAE)
- haranti, Melanopsis haranti de Laubrière & L.L.H. Carez, 1881 † - (MELANOPSIDAE) (FOSSIL)
- harasewychi, Amalda harasewychi N.N. Thach, 2016 - (ANCILLARIIDAE)
- harasewychi, Serratifusus harasewychi K. Fraussen & R. Hadorn, 2003 - (BUCCINIDAE)
- harasewychi, Hesperisternia harasewychi (E.J. Petuch, 1987) - (BUCCINIDAE)
- harasewychi, Pyruella harasewychi E.J. Petuch, 1982 † - (BUSYCONIDAE) (FOSSIL)
- harasewychi, Brocchinia harasewychi J.C.N. Barros & S.F.B. de Lima, 2007 - (CANCELLARIIDAE)
- harasewychi, Trigonostoma harasewychi E.J. Petuch, 1994 † - (CANCELLARIIDAE) (FOSSIL)
- harasewychi, Purpuriconus harasewychi (E.J. Petuch, 1987) - (CONIDAE)
- harasewychi, Compressidentalium harasewychi V. Scarabino, 2008 - (DENTALIIDAE)
- harasewychi, Syntomodrillia harasewychi P.J. Fallon, 2016 - (DRILLIIDAE)
- harasewychi, Harasewychia harasewychi E.J. Petuch, 1987 - (FASCIOLARIIDAE)
- harasewychi, Hanleya harasewychi B.I. Sirenko, 2014 - (HANLEYIDAE)
- harasewychi, Murexsul harasewychi E.J. Petuch, 1987 - (MURICIDAE)
- harasewychi, Bathrotomaria harasewychi S. Kiel & K. Bandel, 2004 † - (PLEUROTOMARIIDAE) (FOSSIL)
- harasewychi, Scalaspira harasewychi E.J. Petuch, 1988 † - (STREPSIDURIDAE) (FOSSIL)
- harasewychi, Voluta harasewychi E.J. Petuch, 1987 - syn of: Voluta morrisoni harasewychi (E.J. Petuch, 1984) - (VOLUTIDAE)
- harasewychi, Voluta morrisoni harasewychi (E.J. Petuch, 1984) - (VOLUTIDAE)
- Harasewychia, Genus Harasewychia E.J. Petuch, 1987 (FASCIOLARIIDAE)
- harastii, Okenia harastii M. Pola, Roldán & A. Padilla, 2014 - (GONIODORIDIDAE)
- harbisonae, Sincola harbisonae A.A. Olsson, 1964 † - (COLUMBELLIDAE) (FOSSIL)
- harbisonae, Magelliconus harbisonae E.J. Petuch, 1994 - syn of: Dauciconus daucus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- harbisonae, Eulimastoma harbisonae P. Bartsch, 1955 - (PYRAMIDELLIDAE)
- harbisoni, Striaticostatum harbisoni N.F. Sohl, 1963 † - (EPITONIIDAE) (FOSSIL)
- harchbelica, Odonteuxina harchbelica B. Páll-Gergely, 2010 - (CLAUSILIIDAE)
- Hardaghia, Genus Hardaghia Tavani, 1949 † (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- hardeleti, Cameronia hardeleti J. Germain, 1906 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- hardeleti molli, Cameronia hardeleti molli J. Germain, 1906 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- harderi, Cingulina harderi Schnetler, 2001 † - (PYRAMIDELLIDAE) (FOSSIL)
- hardfordiana, Crassispira hardfordiana L.A. Reeve, 1843 - syn of: Crassispira harfordiana (L.A. Reeve, 1843) - (PSEUDOMELATOMIDAE)
- hardi, Lithoconus hardi Martin, 1879 † - (CONIDAE) (FOSSIL)
- hardi, Monodonta hardi Martin, 1879 † - (TROCHIDAE) (FOSSIL)
- hardiei, Carychium hardiei A. Jochum & A. Weigand, 2017 - (ELLOBIIDAE)
- hardingae, Gibberula hardingae (R.K. Dell, 1956) - (CYSTISCIDAE)
- hardingae, Marginella hardingae R.K. Dell, 1956 - syn of: Gibberula hardingae (R.K. Dell, 1956) - (MARGINELLIDAE)
- hardingi, Ringicula hardingi B.C. Cotton & F.C. Godfrey, 1933 - (RINGICULIDAE)
- hardingii, Limopsis hardingii R.V. Melville & R. Standen, 1914 - syn of: Limopsis marionensis Smith, 1885 - (LIMOPSIDAE)
- hardingii, Dolabra hardingii (J. de C. Sowerby) † - (MYOPHORICARDIIDAE) (FOSSIL)
- hardmani, Aviculopecten hardmani Etheridge, 1897 † - (AVICULOPECTINIDAE) (FOSSIL)
- hardmani, Guduguwan hardmani (Foord, 1890 †) - (CIRCOTHECIDAE) (FOSSIL)
- hardmani, Glebosoceras hardmani (Foord, 1890 †) - (TISSOTIIDAE) (FOSSIL)
- Hardmanoceras, Genus Hardmanoceras Teichert & Glenister, 1952 † (TROCHOLITIDAE) (FOSSIL)
- hardouini, Stenothyra hardouini J.J.M. de Morgan, 1885 - (STENOTHYRIDAE)
- hardwickei, Loliolus hardwickei (J.E. Gray, 1849) - (LOLIGINIDAE)
- hardwickei, Amphioctopus hardwickei J.E. Gray, 1849 - syn of: Amphioctopus aegina (J.E. Gray, 1849) - (OCTOPODIDAE)
- hardwickei, Octopus hardwickei J.E. Gray, 1849 - syn of: Amphioctopus aegina (J.E. Gray, 1849) - (OCTOPODIDAE)
- hardwickii, Onchidium hardwickii (J.E. Gray, 1850) - (ONCHIDIIDAE)
- hardwickii, Onchidella hardwickii J.E. Gray, 1850 - syn of: Onchidium hardwickii (J.E. Gray, 1850) - (ONCHIDIIDAE)
- hardyi, Haliphron hardyi (G.C. Robson, 1930) - (ALLOPOSIDAE)
- hardyi, Prorasenia hardyi Spath, 1935 † - (AULACOSTEPHANIDAE) (FOSSIL)
- hardyi, Myopholas hardyi Imlay, 1964 † - (CERATOMYIDAE) (FOSSIL)
- hardyi, Diala hardyi J.C. Melvill & R. Standen, 1895 - syn of: Diala sulcifera (A. Adams, 1862) - (DIALIDAE)
- hardyi, Opisthoteuthis hardyi R. Villanueva, M.A. Collins, P. Sánchez & N.A. Voss, 2002 - (OPISTHOTEUTHIDAE)
- hardyi, Tonna allium hardyi L. Bozzetti & M. Ferrario, 2005 - (TONNIDAE)
- hareerensis, Bithynia hareerensis P. Glöer & M.D. Naser, 2008 - (BITHYNIIDAE)
- harenula, Kermia harenula (C. Hedley, 1922) - (RAPHITOMIDAE)
- haresi, Baculites haresi Reeside, 1927 † - (BACULITIDAE) (FOSSIL)
- Haresiceras, Genus Haresiceras Reeside, 1927 † (SCAPHITIDAE) (FOSSIL)
- haresiceratiforme, Nebraskites haresiceratiforme J. Kennedy & Cobban, 1988 † - (ACANTHOCERATIDAE) (FOSSIL)
- Harfofusus, Genus Harfofusus T. Habe & K. Itô, 1965 (BUCCINIDAE)
- harfordensis, Odostomia harfordensis W.H. Dall & P. Bartsch, 1907 - (PYRAMIDELLIDAE)
- harfordi, Placunanomia harfordi L.A. Reeve, 1859 - syn of: Pododesmus rudis (W.J. Broderip, 1834) - (ANOMIIDAE)
- harfordi, Pododesmus harfordi L.A. Reeve, 1859 - syn of: Pododesmus rudis (W.J. Broderip, 1834) - (ANOMIIDAE)
- harfordi, Calocochlia harfordi W.J. Broderip, 1841 - (BRADYBAENIDAE)
- harfordi, Mitrella harfordi A.M. Strong & L.G. Hertlein, 1937 - (COLUMBELLIDAE)
- harfordi, Felaniella harfordi Anderson, 1905 † - (UNGULINIDAE) (FOSSIL)
- harfordi, Amoria harfordi J.C. Cox, 1869 - syn of: Amoria canaliculata harfordi J.C. Cox, 1869 - (VOLUTIDAE)
- harfordi, Amoria canaliculata harfordi J.C. Cox, 1869 - (VOLUTIDAE)
- Harfordia, syn of: Genus Fusinus C.S. Rafinesque, 1815 (FASCIOLARIIDAE)
- harfordiana, Drillia harfordiana L.A. Reeve, 1843 - (DRILLIIDAE)
- harfordiana, Polygyroidea harfordiana (J.G. Cooper, 1870) - (MEGOMPHICIDAE)
- harfordiana, Cryptomastix harfordiana (W.G. Binney, 1886) - (POLYGYRIDAE)
- harfordiana, Crassispira harfordiana (L.A. Reeve, 1843) - (PSEUDOMELATOMIDAE)
- harfordiana colonensis, Drillia harfordiana colonensis J. Brown & H.A. Pilsbry, 1913 - (DRILLIIDAE)
- harfordii, Fusinus harfordii (R.E.C. Stearns, 1871) - (FASCIOLARIIDAE)
- harfordus, Delectopecten harfordus (Davis, 1913 †) - (PECTINIDAE) (FOSSIL)
- hargeri, Cavolinia hargeri A.E. Verrill, 1882 - syn of: Cavolinia gibbosa (A.V.M.D. D'Orbigny, 1834) - (CAVOLINIIDAE)
- hargeri, Mutela hargeri (E.A. Smith, 1908) - (IRIDINIDAE)
- hargeri schomburgki, Mutela hargeri schomburgki F. Haas, 1936 - syn of: Mutela hargeri (E.A. Smith, 1908) - (IRIDINIDAE)
- hargisi, Marathonites hargisi Böse, 1919 † - syn of: Subkargalites hargisi (Böse, 1919 †) - (ADRIANITIDAE) (FOSSIL)
- hargisi, Subkargalites hargisi (Böse, 1919 †) - (MARATHONITIDAE) (FOSSIL)
- hargravesi, Eumecostylus hargravesi (J.C. Cox, 1871) - (BOTHRIEMBRYONTIDAE)
- hargravesi, Bulimus hargravesi J.C. Cox, 1871 - syn of: Eumecostylus hargravesi (J.C. Cox, 1871) - (BULIMULIDAE)
- hargravesi, Haliotis hargravesi J.C. Cox, 1869 - syn of: Haliotis brazieri hargravesi J.C. Cox, 1869 - (HALIOTIDAE)
- hargravesi, Haliotis brazieri hargravesi J.C. Cox, 1869 - (HALIOTIDAE)
- hargravesi, Recluzia hargravesi J.C. Cox, 1870 - (JANTHINIDAE)
- hargravesi, Thyellisca hargravesi (C.B. Adams, 1873) - (SEMELIDAE)
- hargravesi aukiensis, Placocharis hargravesi aukiensis W.F. Clapp, 1923 - syn of: Eumecostylus hargravesi (J.C. Cox, 1871) - (BOTHRIEMBRYONTIDAE)
- hargravesi heimburgi, Eumecostylus hargravesi heimburgi W. Kobelt, 1891 - (BOTHRIEMBRYONTIDAE)
- Hargravesia, Genus Hargravesia H. Adams, 1870 (PUPINIDAE)
- hargreavesi, Megalacron hargreavesi (G.F. Angas, 1869) - (CAMAENIDAE)
- hargreavesi, Volutoconus hargreavesi (G.F. Angas, 1872) - (VOLUTIDAE)
- hargreavesi calcarelliformis, Volutoconus hargreavesi calcarelliformis F.E. Wells & H. Morrison, 2003 - syn of: Volutoconus calcarelliformis F.E. Wells & H. Morrison, 2003 - (VOLUTIDAE)
- hargreavesi daiseyae, Volutoconus hargreavesi daiseyae C.S. Weaver, 1967 - syn of: Volutoconus daisyae C.S. Weaver, 1967 - (VOLUTIDAE)
- hargreavesii, Cumingia hargreavesii G.B. II Sowerby, 1873 - syn of: Thyellisca hargravesi (C.B. Adams, 1873) - (SEMELIDAE)
- hargrovei, Oxytoma hargrovei Marincovich Jr., 1993 † - (OXYTOMIDAE) (FOSSIL)
- haricoa, Oenopota haricoa P. Bartsch, 1941 - (MANGELIIDAE)
- haricotti, Nephritica haricotti (L.S. Frierson, 1927) - (UNIONIDAE)
- harii, Schizodus harii Miller, 1891 † - (SCHIZODIDAE) (FOSSIL)
- harimaense, Epitonium harimaense J. Makiyama, 1924 - (EPITONIIDAE)
- harimense, Papyriscala harimense J. Makiyama, 1924 - syn of: Epitonium harimaense J. Makiyama, 1924 - (EPITONIIDAE)
- harimensis, Kaliella harimensis H.A. Pilsbry, 1901 - (CHRONIDAE)
- harimensis, Hemizaptyx stimpsoni harimensis (H.A. Pilsbry, 1901) - (CLAUSILIIDAE)
- harimensis, Chamalycaeus harimensis H.A. Pilsbry, 1900 - (CYCLOPHORIDAE)
- harimensis, Perpolita harimensis H.A. Pilsbry - (ZONITIDAE)
- harimensis sadoensis, Chamalycaeus harimensis sadoensis H.A. Pilsbry & Y. Hirase, 1903 - (CYCLOPHORIDAE)
- harinasutai, Chamlongia harinasutai R.A.M. Brandt, 1968 † - (TORNIDAE) (FOSSIL)
- haringae, Montenegrina haringae Z. Fehér & M. Szekeres, 2016 - (CLAUSILIIDAE)
- harioi, Actinoceras harioi T. Kobayashi, 1928 † - (ACTINOCERATIDAE) (FOSSIL)
- hariotiana, Albea hariotiana (J.R. Bourguignat, 1876) - (SPHINCTEROCHILIDAE)
- Harisazaea, syn of: Genus Bolma A. Risso, 1826 (TURBINIDAE)
- harkeri, Sverdrupites harkeri (Ruzhentsev, 1961 †) - (SPIROLEGOCERATIDAE) (FOSSIL)
- harlandi, Tenorioconus harlandi (E.J. Petuch, 1987) - (CONIDAE)
- harlandi, Tenorioconus harlandi E.J. Petuch, 1987 - syn of: Tenorioconus harlandi (E.J. Petuch, 1987) - (CONIDAE)
- harlandi, Anodonta harlandi W. Baird & A. Adams, 1867 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- harlani, Uddenites harlani Plummer & P.H. Scott, 1937 † - (MEDLICOTTIIDAE) (FOSSIL)
- harlei, Obscurella harlei P. Fagot, 1891 - syn of: Cochlostoma obscurum laburdense (L. de Folin & F. Bèrillon, 1877) - (COCHLOSTOMATIDAE)
- harlei, Harleites harlei (de Grossouvre, 1894 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- harlei, Morlina glabra harlei (P. Fagot, 1884) - (OXYCHILIDAE)
- Harleites, Subgenus Barroisiceras (Harleites) Reeside, 1932 † (COLLIGNONICERATIDAE) (FOSSIL)
- harlequina, Decoradrillia harlequina P.J. Fallon, 2016 - (DRILLIIDAE)
- harleyi, Belemnites harleyi C. Mayer, 1866 † - syn of: Lissajousibelus harleyi (C. Mayer, 1866 †) - (BELEMNITELLIDAE) (FOSSIL)
- harleyi, Aulacoteuthis harleyi C. Mayer, 1866 † - syn of: Lissajousibelus harleyi (C. Mayer, 1866 †) - (BELEMNITIDA (unassigned)) (FOSSIL)
- harleyi, Belemnopsis harleyi C. Mayer, 1866 † - syn of: Lissajousibelus harleyi (C. Mayer, 1866 †) - (BELEMNOPSEIDAE) (FOSSIL)
- harleyi, Lissajousibelus harleyi (C. Mayer, 1866 †) - (HOLCOBELIDAE) (FOSSIL)
- harleyi, Acrocoelites harleyi C. Mayer, 1866 † - syn of: Lissajousibelus harleyi (C. Mayer, 1866 †) - (MEGATEUTHIDIDAE) (FOSSIL)
- harli, Sciocochlea cryptica harli A. Reischütz & P.L. Reischütz, 2016 - (CLAUSILIIDAE)
- harmandi, Asteronotus harmandi (A. de Rochebrune, 1882) - (DISCODORIDIDAE)
- harmandi, Dreissena harmandi A. de Rochebrune, 1881 - syn of: Sinomytilus harmandi (A. de Rochebrune, 1881) - (DREISSENIDAE)
- harmandi, Sinomytilus harmandi (A. de Rochebrune, 1881) - (MYTILIDAE)
- harmandi, Octopus harmandi A. de Rochebrune, 1882 - syn of: Abdopus aculeatus (A.V.M.D. D'Orbigny, 1834) - (OCTOPODIDAE)
- harmandi, Jullienia harmandi N.J. Poirier, 1881 - (POMATIOPSIDAE)
- harmandi, Lacunopsis harmandi N.J. Poirier, 1881 - (POMATIOPSIDAE)
- harmandi, Pseudodon harmandi J.C.H. Crosse & P.H. Fischer, 1876 - syn of: Pseudodon inoscularis A.A. Gould, 1844 - (UNIONIDAE)
- harmandi johnstoni, Jullienia harmandi johnstoni N.J. Poirier, 1881 - (POMATIOPSIDAE)
- harmandi watti, Jullienia harmandi watti N.J. Poirier, 1881 - (POMATIOPSIDAE)
- Harmandia, Genus Harmandia A. de Rochebrune, 1882 (UNIONIDAE)
- harmandiana, Clea harmandiana A. de Rochebrune, 1881 - syn of: Clea helena (von dem Busch in R.A. Philippi, 1847) - (BUCCINIDAE)
- harmandiana, Monetaria harmandiana A. de Rochebrune, 1884 - syn of: Monetaria annulus (C. Linnaeus, 1758) - (CYPRAEIDAE)
- harmandianum, Onchidium harmandianum A. de Rochebrune, 1882 - (ONCHIDIIDAE)
- Harmatia, Genus Harmatia Noszky, 1940 † (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- harmeri, Pseudocassis harmeri Bell † - (CEPHALASPIDA (UNASSIGNED)) (FOSSIL)
- harmeri, Crassadoma harmeri (Regteren Altena, 1937 †) - (PECTINIDAE) (FOSSIL)
- harmeri, Pomatias harmeri Kennard † - (POMATIIDAE) (FOSSIL)
- Harmeria, Genus Harmeria Norman, 1903 † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- harmilensis, Emarginula harmilensis R. Sturany, 1903 - (FISSURELLIDAE)
- Harmogenanina, Genus Harmogenanina J. Germain, 1919 (HELICARIONIDAE)
- harmonia, Albinaria hippolyti harmonia M. Schilthuizen, F.W. Welter-Schultes & V. Wiese, 1993 - (CLAUSILIIDAE)
- harmonia, Discordichilus harmonia (Billings, 1865 †) - (ELASMONEMATIDAE) (FOSSIL)
- harmonia, Holopea harmonia Billings, 1865 † - syn of: Discordichilus harmonia (Billings, 1865 †) - (HOLOPEIDAE) (FOSSIL)
- Harmonia, syn of: Subgenus Partula (Marianella) H.A. Pilsbry, 1909 (PARTULIDAE)
- harmonica, Albinaria hippolyti harmonica M. Schilthuizen, F.W. Welter-Schultes & V. Wiese, 1993 - (CLAUSILIIDAE)
- harmonica, Hemicycla harmonica A. Mousson, 1872 - syn of: Hemicycla maugeana (R.J. Shuttleworth, 1852) - (HELICIDAE)
- Harmoniconus, Genus Harmoniconus A.J. Da Motta, 1991 (CONIDAE)
- Harmozica, Subgenus Euomphalia (Harmozica) W.A. Lindholm, 1927 (HYGROMIIDAE)
- harmulensis, Scalptia harmulensis A. Verhecken & Van Laethem, 2015 - (CANCELLARIIDAE)
- harnaiensis, Stiracolpus harnaiensis Cox, 1931 † - (TURRITELLIDAE) (FOSSIL)
- harneri, Temnocheilus harneri Miller & Owen, 1934 † - (KONINCKIOCERATIDAE) (FOSSIL)
- haroldi, Cominella nassoides haroldi A.W.B. Powell, 1946 - (BUCCINIDAE)
- haroldi, Etremopsis haroldi A.W.B. Powell, 1942 † - (CLATHURELLIDAE) (FOSSIL)
- haroldi, Zemitrella haroldi C.R. Laws, 1935 † - (COLUMBELLIDAE) (FOSSIL)
- haroldi, Turbonilla haroldi C.R. Laws, 1937 - (PYRAMIDELLIDAE)
- haroldi, Turbonilla haroldi E.A. Smith, 1890 - (PYRAMIDELLIDAE)
- haroldi, Maoridaphne haroldi A.W.B. Powell, 1942 † - (RAPHITOMIDAE) (FOSSIL)
- haroldi, Kaitoa haroldi J. Marwick, 1931 † - (SCAPHANDRIDAE) (FOSSIL)
- haroldi, Eleutherocaulis haroldi (W.E. Collinge, 1901) - (VERONICELLIDAE)
- Haroldorbis, syn of: Genus Triodopsis C.S. Rafinesque, 1819 (POLYGYRIDAE)
- harpa, Acteocina harpa (W.H. Dall, 1871) - (ACTEOCINIDAE)
- harpa, Pyrulofusus harpa (O.A.L. Mörch, 1857) - (BUCCINIDAE)
- harpa, Bicorbula harpa (Archaic & Haime, 1854 †) - (CORBULIDAE) (FOSSIL)
- harpa, Tornatina harpa W.H. Dall, 1871 - syn of: Acteocina harpa (W.H. Dall, 1871) - (CYLICHNIDAE)
- harpa, Epitonium harpa (F.P. Jousseaume, 1912) - (EPITONIIDAE)
- Harpa, Genus Harpa P.F. Röding, 1798 (HARPIDAE)
- harpa, Harpa harpa (C. Linnaeus, 1758) - (HARPIDAE)
- harpa, Helix harpa T. Say, 1824 - syn of: Zoogenetes harpa (T. Say, 1824) - (HELICIDAE)
- harpa, Holopea harpa Angelin & Lindström, 1880 † - (HOLOPEIDAE) (FOSSIL)
- harpa, Oenopota harpa (W.H. Dall, 1885) - (MANGELIIDAE)
- harpa, Melanopsis costata harpa C.A. Westerlund, 1892 - (MELANOPSIDAE)
- harpa, Neothais harpa (T.A. Conrad, 1837) - (MURICIDAE)
- harpa, Flabelliphoria harpa (Münster in G.A. Goldfuss, 1838 †) - (MYOPHORIIDAE) (FOSSIL)
- harpa, Myophoria harpa (Münster, 1837 †) - (MYOPHORIIDAE) (FOSSIL)
- harpa, Tritonoturris harpa W.H. Pease, 1860 - syn of: Tritonoturris cumingii (W.L. Powys, 1835) - (RAPHITOMIDAE)
- harpa, Coleophysis harpa W.H. Dall, 1871 - syn of: Acteocina harpa (W.H. Dall, 1871) - (RETUSIDAE)
- harpa, Pusillina harpa (A.E. Verrill, 1880) - (RISSOIDAE)
- harpa, Straparollina harpa Hudson, 1905 † - (STRAPAROLLINIDAE) (FOSSIL)
- harpa, Trigonia harpa Münster, 1837 † - syn of: Myophoria harpa (Münster, 1837 †) - (TRIGONIIDAE) (FOSSIL)
- harpa, Zoogenetes harpa (T. Say, 1824) - (VALLONIIDAE)
- harpa, Voluta harpa J. Mawe, 1823 - syn of: Lyria pattersonia (G. Perry, 1811) - (VOLUTIDAE)
- harpa, Lyria harpa J. Mawe, 1823 - syn of: Lyria pattersonia (G. Perry, 1811) - (VOLUTIDAE)
- harpa, Lyria harpa D.H. Barnes, 1824 - syn of: Enaeta barnesii (J.E. Gray, 1825) - (VOLUTIDAE)
- harpa, Lyria harpa W.J. Swainson, 1835 - syn of: Lyria anna (R.P. Lesson, 1835) - (VOLUTIDAE)
- harpa, Schwartziella harpa (Gardner, 1948 †) - (ZEBINIDAE) (FOSSIL)
- harpaeformis, Semicassis harpaeformis (J.B.P.A. Lamarck, 1803 †) - (CASSIDAE) (FOSSIL)
- harpaeformis, Costellaria harpaeformis J.B.P.A. Lamarck, 1822 - syn of: Vexillum virgo (C. Linnaeus, 1767) - (COSTELLARIIDAE)
- Harpaeformis, syn of: Genus Vexillum P.F. Röding, 1798 (COSTELLARIIDAE)
- harpaeformis, Morum harpaeformis (J.P.S. Grateloup, 1827 †) - (HARPIDAE) (FOSSIL)
- harpaeformis, Glabella harpaeformis (G.B. II Sowerby, 1846) - (MARGINELLIDAE)
- harpaeformis bifasciata, Glabella harpaeformis bifasciata (J.B.P.A. Lamarck, 1822) - syn of: Glabella bifasciata (J.B.P.A. Lamarck, 1822) - (MARGINELLIDAE)
- harpaforme, Morum harpaforme Powell & J.A. Bartrum, 1929 † - (HARPIDAE) (FOSSIL)
- harpagata, Lepidomenia harpagata L. Salvini-Plawén, 1978 - (LEPIDOMENIIDAE)
- harpagata, Dorymenia harpagata L. Salvini-Plawén, 1978 - (PRONEOMENIIDAE)
- harpago, Epitonium harpago R.N. Kilburn, 1985 - (EPITONIIDAE)
- Harpago, Genus Harpago O.A.L. Mörch, 1852 (STROMBIDAE)
- harpago, Lambis harpago P.F. Röding, 1798 - syn of: Harpago chiragra (C. Linnaeus, 1758) - (STROMBIDAE)
- Harpagodes, Genus Harpagodes Imlay, 1940 † (HARPAGODIDAE) (FOSSIL)
- HARPAGODIDAE Pchelintsev, 1963 † - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-STROMBOIDEA [Superfamily]) (FOSSIL)
- Harpagoherpia, Genus Harpagoherpia L. Salvini-Plawén, 1978 (PHYLLOMENIIDAE)
- Harpalis, syn of: Genus Harpa P.F. Röding, 1798 (HARPIDAE)
- harpalos, Distichites harpalos (Dittmar, 1866 †) - (DISTICHITIDAE) (FOSSIL)
- Harparia, syn of: Genus Harpa P.F. Röding, 1798 (HARPIDAE)
- harpax, Pseudocalycoceras harpax F. Stoliczka, 1864 † - (ACANTHOCERATIDAE) (FOSSIL)
- Harpax, Subgenus Plicatula (Harpax) Parkinson, 1811 † (PLICATULIDAE) (FOSSIL)
- Harpax, syn of: Genus Cumingia G.B. Sowerby, 1833 (SEMELIDAE)
- harpedon, Octopus harpedon M.D. Norman, 2001 - (OCTOPODIDAE)
- Harpella, syn of: Genus Lyria J.E. Gray, 1847 (VOLUTIDAE)
- harpellina, Eucithara harpellina (R.P.J. Hervier, 1897) - (MANGELIIDAE)
- Harpeola, Subgenus Lyria (Harpeola) W.H. Dall, 1907 (VOLUTIDAE)
- harperae, Mautodontha harperae A.F. Sartori, O. Gargominy & Fontaine, 2014 - (ENDODONTIDAE)
- harperae, Pleurolucina harperae Glover & J.D. Taylor, 2016 - (LUCINIDAE)
- harperensis, Penescosta harperensis T. Iredale, 1945 - (CHAROPIDAE)
- harperi, Amnicola harperi W.H. Dall, 1910 - (AMNICOLIDAE)
- harperi, Sonorelix harperi (E.G. Bryant, 1900) - (HELMINTHOGLYPTIDAE)
- harperi, Rissoina harperi P. Dautzenberg & J.L. Bouge, 1933 - syn of: Apataxia cerithiiformis (G.W. Tryon, 1887) - (RISSOINIDAE)
- harpethensis, Anodonta harpethensis I. Lea, 1840 - syn of: Anodonta grandis T. Say, 1829 - (UNIONIDAE)
- HARPIDAE Bronn, 1849 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-MURICOIDEA [Superfamily])
- harpiferum, Vexillum harpiferum J.B.P.A. Lamarck, 1811 - syn of: Vexillum virgo (C. Linnaeus, 1767) - (COSTELLARIIDAE)
- harpiformis, Cancellaria harpiformis H.A. Pilsbry & A.A. Olsson, 1941 † - (CANCELLARIIDAE) (FOSSIL)
- harpiformis, Microcithara harpiformis (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- harpiformis, Columbella harpiformis G.B. I Sowerby, 1832 - syn of: Microcithara harpiformis (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- Harpoceras, Genus Harpoceras Sowerby, 1820 † (HILDOCERATIDAE) (FOSSIL)
- Harpoceratoides, syn of: Genus Harpoceras Sowerby, 1820 † (HILDOCERATIDAE) (FOSSIL)
- harpoceratoides, Galaticeras harpoceratoides C. Gemmellaro, 1884 † - (LYTOCERATIDAE) (FOSSIL)
- Harpodactylus, Genus Harpodactylus Kollmann, 2009 † (HARPAGODIDAE) (FOSSIL)
- Harpofusus, syn of: Genus Harfofusus T. Habe & K. Itô, 1965 (BUCCINIDAE)
- Harpohildoceras, syn of: Genus Hildaites Unknown † (HILDOCERATIDAE) (FOSSIL)
- harpophorus, Harpoxyites harpophorus Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Harpophylloceras, Subgenus Juraphyllites (Harpophylloceras) Hauer, 1854 † (JURAPHYLLITIDAE) (FOSSIL)
- Harpospira, Genus Harpospira Neagu & Pana, 1995 † (HARPAGODIDAE) (FOSSIL)
- harpovoluta, Nothoadmete harpovoluta (A.W.B. Powell, 1957) - (CANCELLARIIDAE)
- Harpovoluta, Genus Harpovoluta K.H.J. Thiele, 1912 (VOLUTIDAE)
- Harpoxyites, Genus Harpoxyites Buckman, 1924 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- harpula, Neptunea harpula (K.T. Menke, 1828) - (BUCCINIDAE)
- harpula, Oniscidia harpula (T.A. Conrad, 1848 †) - (HARPIDAE) (FOSSIL)
- harpula, Harpa harpula W.J. Swainson - syn of: Harpa major P.F. Röding, 1798 - (HARPIDAE)
- harpula, Melanopsis harpula M. von Neumayr, 1875 † - (MELANOPSIDAE) (FOSSIL)
- harpula, Paffrathopsis harpula (Sowerby, 1827 †) - (NERITOPSIDAE) (FOSSIL)
- harpula, Raphitoma harpula (G.B. Brocchi, 1814 †) - (RAPHITOMIDAE) (FOSSIL)
- harpula, Pusillina harpula S. Gofas, 2007 - (RISSOIDAE)
- harpula, Melania harpula R.W. Dunker in R.A. Philippi, 1844 - syn of: Sermyla riqueti (J.P.S. Grateloup, 1840) - (THIARIDAE)
- harpula, Pleurotoma harpula L.C. Kiener, 1840 - syn of: Crassispira harpularia (C. des Moulins, 1842) - (TURRIDAE)
- harpula, Pupisoma harpula O.W.H. Reinhardt, 1886 - (VERTIGINIDAE)
- harpula, Lyria harpula (J.B.P.A. Lamarck, 1802 †) - (VOLUTIDAE) (FOSSIL)
- Harpula, syn of: Genus Voluta C. Linnaeus, 1758 (VOLUTIDAE)
- harpula capreniensis, Melanopsis harpula capreniensis C.F. Fontannes, 1887 † - syn of: Melanopsis capreniensis C.F. Fontannes, 1887 † - (MELANOPSIDAE) (FOSSIL)
- harpularia, Splendrillia harpularia (C. des Moulins, 1842 †) - (DRILLIIDAE) (FOSSIL)
- harpularia, Splendrillia harpularia (C. des Moulins, 1842 †) - (DRILLIIDAE) (FOSSIL)
- harpularia, Propebela harpularia (J.P.Y. Couthouy, 1838) - (MANGELIIDAE)
- harpularia, Oenopota harpularia J.A. Grieg, 1931 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (MANGELIIDAE)
- harpularia, Nassarius harpularia (F.P. Marrat, 1877) - (NASSARIIDAE)
- harpularia, Nassa harpularia F.P. Marrat, 1877 - syn of: Nassarius harpularia (F.P. Marrat, 1877) - (NASSARIIDAE)
- harpularia, Americoliva harpularia (J.B.P.A. Lamarck, 1811) - (OLIVIDAE)
- harpularia, Crassispira harpularia (C. des Moulins, 1842) - (PSEUDOMELATOMIDAE)
- harpularia, Lyria harpularia R. Tate, 1889 † - (VOLUTIDAE) (FOSSIL)
- harpularia rosea, Propebela harpularia rosea (G.O. Sars, 1868) - (MANGELIIDAE)
- harpularioides, Oenopota harpularioides A.N. Golikov & Fedjakov in A.N. Golikov, 1987 - (MANGELIIDAE)
- harpularius, Fusus harpularius J.P.Y. Couthouy, 1838 - syn of: Propebela harpularia (J.P.Y. Couthouy, 1838) - (FASCIOLARIIDAE)
- Harpulina, Genus Harpulina W.H. Dall, 1906 (VOLUTIDAE)
- harpuloides, Ilyanassa harpuloides (T.A. Conrad, 1844 †) - (NASSARIIDAE) (FOSSIL)
- harpya, Liburnica harpya (P. Subai, 1995) - (HELICIDAE)
- harpya, Ceratopea harpya (Billings, 1865 †) - (RAPHISTOMATIDAE) (FOSSIL)
- harrassowitzi, Diodora harrassowitzi (H.F.A. von Ihering, 1927) - (FISSURELLIDAE)
- harrassowitzi, Arcopsis harrassowitzi C.H. Oostingh, 1935 † - (NOETIIDAE) (FOSSIL)
- harribaueri, Naesiotus harribaueri E.R. Jacobson, 1958 - (BULIMULIDAE)
- harrietae, Baeolidia harrietae (W.B. Rudman, 1982) - (AEOLIDIIDAE)
- harrietae, Prosipho harrietae W. Engl & E. Schwabe, 2003 - (BUCCINIDAE)
- harrietae, Alvania harrietae W. Segers, F. Swinnen & R. De Prins, 2009 - (RISSOIDAE)
- harriettae, Austrorhytida harriettae (J.C. Cox, 1868) - (RHYTIDIDAE)
- harriettae, Circulus harriettae (W.F. Petterd, 1884) - (TORNIDAE)
- harriettae, Elachorbis harriettae W.F. Petterd, 1884 - syn of: Circulus harriettae (W.F. Petterd, 1884) - (TORNIDAE)
- harriettae, Niveria harriettae D. Fehse & J. Grego, 2010 - (TRIVIIDAE)
- harrimani, Profulvia harrimani W.H. Dall, 1904 † - syn of: Papyridea harrimani W.H. Dall, 1904 † - (CARDIIDA (unassigned)) (FOSSIL)
- harrimani, Papyridea harrimani W.H. Dall, 1904 † - (CARDIIDAE) (FOSSIL)
- harrimani, Papyridea harrimani J. Makiyama, 1934 † - syn of: Trigonoarca jessupae C.J. Maury, 1930 † - (CARDIIDAE) (FOSSIL)
- harringtoni, Acar harringtoni C.R. Laws, 1947 † - (ARCIDAE) (FOSSIL)
- harringtoni, Amosius harringtoni (Gonzalez 1972) † - (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- harringtoni, Drymaeus harringtoni W.B. Marshall, 1930 - (BULIMULIDAE)
- harringtoni, Cerion paucicostatum harringtoni C.G. Aguayo & M.I. Sánchez Roig, 1953 - (CERIONIDAE)
- harringtoni, Deltopecten harringtoni Rocha-Campos & de Carvalho, 1975 † - (DELTOPECTINIDAE) (FOSSIL)
- harringtoni, Tropicolpus harringtoni J. Marwick, 1971 † - (TURRITELLIDAE) (FOSSIL)
- harrisae, Ecculiomphalus harrisae Rohr, 1994 † - (OPHILETIDAE) (FOSSIL)
- harrisae, Philine harrisae Valdés, Cadien & Gosliner, 2016 - (PHILINIDAE)
- harrisae, Columbarium harrisae M.G. Harasewych, 1983 - (TURBINELLIDAE)
- harrisensis, Magnatica harrisensis (J. Marwick, 1924 †) - (NATICIDAE) (FOSSIL)
- harrisi, Pachycrommium harrisi A. Pannekoek, 1936 † - (AMPULLINIDAE) (FOSSIL)
- harrisi, Ampullina harrisi Cossmann, 1888 † - (AMPULLINIDAE) (FOSSIL)
- harrisi, Microdrillia harrisi (T.H. Aldrich, 1895 †) - (BORSONIIDAE) (FOSSIL)
- harrisi, Metula harrisi R.E. Dickerson, 1916 † - (BUCCINIDAE) (FOSSIL)
- harrisi, Metula harrisi A.A. Olsson, 1922 † - (BUCCINIDAE) (FOSSIL)
- harrisi, Cancellaria harrisi C.J. Maury, 1917 † - (CANCELLARIIDAE) (FOSSIL)
- harrisi, Bucardium harrisi (Vaughan †) - (CARDIIDAE) (FOSSIL)
- harrisi, Glyphostoma harrisi C.J. Maury, 1910 † - (CLATHURELLIDAE) (FOSSIL)
- harrisi, Conus burckhardti harrisi A.A. Olsson, 1922 † - (CONIDAE) (FOSSIL)
- harrisi, Monetaria moneta harrisi T. Iredale, 1939 - (CYPRAEIDAE)
- harrisi, Thordisa harrisi G.L. Chan & T.M. Gosliner, 2006 - (DISCODORIDIDAE)
- harrisi, Dakeoceras harrisi Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- harrisi, Ficus harrisi Martin, 1904 † - (FICIDAE) (FOSSIL)
- harrisi, Hercoglossa harrisi Miller & Thompson, 1937 † - (HERCOGLOSSIDAE) (FOSSIL)
- harrisi, Caldicochlea harrisi (W.F. Ponder, D.J. Colgan, T. Terzis, A. Clark & W.B. Miller, 1996) - (HYDROBIIDAE)
- harrisi, Hemimactra harrisi A.A. Olsson, 1914 † - (MACTRIDAE) (FOSSIL)
- harrisi, Mesoginella harrisi (A.E.M. Cossmann, 1899 †) - (MARGINELLIDAE) (FOSSIL)
- harrisi, Paziella harrisi E.H. Vokes, 1970 † - (MURICIDAE) (FOSSIL)
- harrisi, Rugotyphis harrisi (A.A. Olsson, 1914 †) - (MURICIDAE) (FOSSIL)
- harrisi, Nassarius harrisi (C.J. Maury, 1910 †) - (NASSARIIDAE) (FOSSIL)
- harrisi, Sigatica harrisi A.A. Olsson, 1928 † - (NATICIDAE) (FOSSIL)
- harrisi, Agaronia harrisi Clark & J.W. Durham, 1946 † - (OLIVIDAE) (FOSSIL)
- harrisi, Oliva harrisi Martin, 1904 † - (OLIVIDAE) (FOSSIL)
- harrisi, Ashmunella harrisi A. Metcalf & R. Smartt, 1977 - (POLYGYRIDAE)
- harrisi, Dermatomya harrisi N.E. Weisbord, 1929 † - syn of: Trinitasia sanctiandreae (C.J. Maury, 1925 †) - (POROMYIDAE) (FOSSIL)
- harrisi, Terebralia harrisi C.J. Maury, 1920 † - (POTAMIDIDAE) (FOSSIL)
- harrisi, Idioraphe harrisi K.V.W. Palmer, 1937 † - (TORNIDAE) (FOSSIL)
- harrisi, Triphora harrisi F. Baker & V.D.P. Spicer, 1935 - (TRIPHORIDAE)
- harrisi, Gibbula harrisi F. Baker & V.D.P. Spicer, 1930 - (TROCHIDAE)
- harrisi, Pleurotoma harrisi Clark, 1895 † - (TURRIDAE) (FOSSIL)
- harrisi, Cyclinella harrisi K.V.W. Palmer, 1927 - (VENERIDAE)
- harrisi, Lyrischapa harrisi T.H. Aldrich, 1911 † - (VOLUTIDAE) (FOSSIL)
- harrisi limonensis, Metula harrisi limonensis A.A. Olsson, 1922 † - (BUCCINIDAE) (FOSSIL)
- harrisiana, Globivenus harrisiana (A.A. Olsson, 1922 †) - (VENERIDAE) (FOSSIL)
- Harrisianella, Genus Harrisianella Olson, 1929 † (POTAMIDIDAE) (FOSSIL)
- harrisii, Cerithium harrisii C.J. Maury, 1912 † - (CERITHIIDAE) (FOSSIL)
- harrisii, Clavilithes harrisii C.J. Maury, 1912 † - (FASCIOLARIIDAE) (FOSSIL)
- harrisii, Atrina harrisii W.H. Dall, 1898 † - (PINNIDAE) (FOSSIL)
- harrisii, Petricola harrisii W.H. Dall, 1898 † - (VENERIDAE) (FOSSIL)
- Harrisoceras, Genus Harrisoceras Flower, 1939 † (GEISONOCERATIDAE) (FOSSIL)
- harrisonae, Semicassis harrisonae A.W.B. Powell, 1928 - syn of: Semicassis pyrum (J.B.P.A. Lamarck, 1822) - (CASSIDAE)
- harrisonae, Perrierina harrisonae (A.W.B. Powell, 1935) - (CYAMIIDAE)
- harrisonae, Koloonella harrisonae (R. Tate & W.L. May, 1900) - (MURCHISONELLIDAE)
- harrisonae, Adacnarca harrisonae (A.W.B. Powell, 1927) - (PHILOBRYIDAE)
- harrisonae, Merelina harrisonae A.W.B. Powell, 1939 - (RISSOIDAE)
- harrisonae, Mysticoncha harrisonae A.W.B. Powell, 1946 - (VELUTINIDAE)
- harrisoni, Epicyprina harrisoni Casey † - (ARCTICIDAE) (FOSSIL)
- harrisoni, Venezoliceras harrisoni (Benavides-Caceres, 1956 †) - (BRANCOCERATIDAE) (FOSSIL)
- harrisoni, Searlesia harrisoni F.W. Harmer, 1914 † - (BUCCINIDAE) (FOSSIL)
- harrisoni, Eucyclus harrisoni Cox, 1949 † - syn of: Chartronella pacifica (Jaworski, 1923 †) - (EUCYCLIDAE) (FOSSIL)
- harrisoni, Puncturella harrisoni (R.H. Beddome, 1883) - (FISSURELLIDAE)
- harrisoni, Mangelia harrisoni J.E. Tenison-Woods, 1877 - syn of: Parviterebra brazieri (G.F. Angas, 1875) - (MANGELIIDAE)
- harrisoni, Pareledone harrisoni (S.S. Berry, 1917) - (OCTOPODIDAE)
- harrisoni, Pinctada harrisoni A. Hancock, 1846 - syn of: Margarites olivaceus (T. Brown, 1827) - (PTERIIDAE)
- harrisoni, Puposyrnola harrisoni (R. Tate & W.L. May, 1900) - (PYRAMIDELLIDAE)
- harrisoni, Daphnella harrisoni (J.E. Tenison-Woods, 1878) - (RAPHITOMIDAE)
- harrisoni, Pisidium harrisoni J.G.J. Kuiper, 1964 - (SPHAERIIDAE)
- harrisoni, Turritella harrisoni Cox, 1936 † - (TURRITELLIDAE) (FOSSIL)
- harrissi, Alamirifica harrissi (E.C. Allison, 1955 †) - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- harrissoni, Marinula harrissoni R.H. Beddome, 1883 - syn of: Marinula parva W.J. Swainson, 1856 - (ELLOBIIDAE)
- harrissoni, Pareledone harrissoni (S.S. Berry, 1917) - (OCTOPODIDAE)
- harrissoni, Puposyrnola harrissoni R. Tate & W.L. May, 1900 - syn of: Puposyrnola harrisoni (R. Tate & W.L. May, 1900) - (PYRAMIDELLIDAE)
- harrodi, Pharkidonotus harrodi (Gurley, 1883 †) - (BELLEROPHONTIDAE) (FOSSIL)
- harronis, Plagiostoma harronis Dacque, 1905 † - (LIMIDAE) (FOSSIL)
- harryi, Caribnauta harryi D.W. Taylor, 2003 - (PHYSIDAE)
- harryleei, Pseudobuliminus harryleei Thach, 2017 - (BRADYBAENIDAE)
- harryleei, Monostiolum harryleei F.J. García, 2006 - (BUCCINIDAE)
- harryleei, Falsiluna harryleei J. Grego & M. Szekeres, 2011 - (CLAUSILIIDAE)
- harryleei, Colubraria harryleei D. Monsecour & D. Monsecour, 2011 - (COLUBRARIIDAE)
- harryleei, Cerodrillia harryleei P.J. Fallon, 2016 - (DRILLIIDAE)
- harryleei, Darrylia harryleei E.F. Garcia, 2008 - (HORAICLAVIDAE)
- harryleei, Nassarius harryleei E.F. Garcia, 2001 - (NASSARIIDAE)
- harryleei, Rissoina harryleei E. Rolán & R. Fernández-Garcés, 2009 - (RISSOINIDAE)
- harryleei, Haplocochlias harryleei F. Rubio, R. Fernández-Garcés & E. Rolán, 2013 - (SKENEIDAE)
- harryleei, Inella harryleei E. Rolán & R. Fernández-Garcés, 2008 - (TRIPHORIDAE)
- harryleei, Macromphalina harryleei E. Rolán & F. Rubio, 1998 - (VANIKORIDAE)
- hartae, Mercenaria hartae E.J. Petuch, 2013 - (VENERIDAE)
- hartbennetii, Strophiops hartbennetii C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- hartbennettii, Strophiops hartbennettii C.J. Maynard & W.F. Clapp, 1921 - syn of: Cerion glans H.C. Küster, 1844 - (CERIONIDAE)
- hartbergensis, Potamides hartbergensis (Hilber, 1891 †) - (POTAMIDIDAE) (FOSSIL)
- harteae, Gafrarium harteae M. Huber, 2010 - (VENERIDAE)
- harteae, Lioconcha harteae M. Huber, 2010 - (VENERIDAE)
- hartei, Gafrarium hartei M. Huber, 2010 - syn of: Gafrarium harteae M. Huber, 2010 - (VENERIDAE)
- hartei, Lioconcha hartei M. Huber, 2010 - syn of: Lioconcha harteae M. Huber, 2010 - (VENERIDAE)
- hartfieldorum, Utterbackiana hartfieldorum (G.C. Williams, A. Bogan & J.T. Garner, 2009) - (UNIONIDAE)
- harti, Rhagada harti G.A. Solem, 1985 - (CAMAENIDAE)
- harti, Rissoina harti H.S. Ladd, 1966 † - (RISSOINIDAE) (FOSSIL)
- hartii, Elliptio hartii B.H. Wright, 1934 - syn of: Elliptio jayensis I. Lea, 1838 - (UNIONIDAE)
- hartingii, Architeuthis hartingii A.E. Verrill, 1875 - syn of: Architeuthis dux J.J.S. Steenstrup, 1857 - (ARCHITEUTHIDAE)
- hartingii, Loligo hartingii A.E. Verrill, 1875 - syn of: Architeuthis dux J.J.S. Steenstrup, 1857 - (LOLIGINIDAE)
- hartkopfi, Lutetiella hartkopfi D. Kadolsky, 2015 † - (HYDROBIIDAE) (FOSSIL)
- hartleyanum, Prunum hartleyanum (J.S. Schwengel, 1941) - (MARGINELLIDAE)
- hartleyensis, Schedocardia brewerii hartleyensis (Clark & Woodford, 1927 †) - (CARDIIDAE) (FOSSIL)
- hartleyensis, Modiolus hartleyensis R. Etheridge jr., 1902 † - (MYTILIDAE) (FOSSIL)
- hartleyi, Jorunna hartleyi (R.F. Burn, 1958) - (DISCODORIDIDAE)
- hartleyi, Facelina hartleyi R.F. Burn, 1962 - (FACELINIDAE)
- hartmanae, Falcidens hartmanae (G. Schwabl, 1961) - (CHAETODERMATIDAE)
- hartmani, Amastra hartmani (W. Newcomb) - (AMASTRIDAE)
- hartmani, Leptachatina hartmani W. Newcomb - syn of: Amastra hartmani (W. Newcomb) - (AMASTRIDAE)
- hartmani, Neoglyphioceras hartmani Furnish & F.L. Saunders, 1971 † - (GONIATITIDAE) (FOSSIL)
- hartmaniana, Elimia hartmaniana I. Lea, 1861 - (PLEUROCERIDAE)
- hartmanianum, Pleurobema hartmanianum (I. Lea, 1860) - (UNIONIDAE)
- Hartmanitrochus, Subgenus Trochomorpha (Hartmanitrochus) G.A. Solem, 1959 (TROCHOMORPHIDAE)
- hartmanni, Limicolaria sennarensis hartmanni E.C. Von Martens, 1875 - (ACHATINIDAE)
- hartmanni, Gervillaria hartmanni (Münster, 1834 †) - (BAKEVELLIIDAE) (FOSSIL)
- hartmanni, Cantharus hartmanni C. Nielsen, 2003 † - (BUCCINIDAE) (FOSSIL)
- hartmanni, Astyris hartmanni J. Espinosa & J.A. Ortea, 2014 - (COLUMBELLIDAE)
- hartmanni, Mirus hartmanni C.M.F. Ancey, 1888 - (ENIDAE)
- hartmanni, Philonesia hartmanni (C.M.F. Ancey, 1889) - (EUCONULIDAE)
- hartmanni, Spatha hartmanni E.C. Von Martens, 1866 - syn of: Chambardia wahlbergi (C.F.F. von Krauss, 1848) - (IRIDINIDAE)
- hartmanni, Lymnaea hartmanni (S.E. Studer, 1820) - (LYMNAEIDAE)
- hartmanni, Pecten hartmanni L.G. Hertlein, 1925 † - (PECTINIDAE) (FOSSIL)
- hartmanni, Physa hartmanni S. Clessin, 1886 - syn of: Lymnaea producta J.W. Mighels, 1845 - (PHYSIDAE)
- hartmanni, Macron hartmanni L.G. Hertlein, 1927 † - (PSEUDOLIVIDAE) (FOSSIL)
- hartmanni, Rissoina hartmanni H.K. Jordan, 1936 - (RISSOINIDAE)
- hartmanni, Sphaerium hartmanni C.F. Jickeli, 1874 - (SPHAERIIDAE)
- hartmanni bangweolicum, Sphaerium hartmanni bangweolicum F. Haas, 1936 - syn of: Sphaerium hartmanni C.F. Jickeli, 1874 - (SPHAERIIDAE)
- hartmanni naivashaens, Sphaerium hartmanni naivashaens H.B. Preston, 1912 - syn of: Sphaerium hartmanni C.F. Jickeli, 1874 - (SPHAERIIDAE)
- hartmanni palehuae, Philonesia hartmanni palehuae H.B. Baker, 1940 - (EUCONULIDAE)
- Hartmannia, syn of: Genus Cochlostoma G. Jan, 1830 (COCHLOSTOMATIDAE)
- hartmeyeri, Cryptoplax hartmeyeri K.H.J. Thiele, 1911 - (CRYPTOPLACIDAE)
- hartmeyeri, Ischnochiton hartmeyeri K.H.J. Thiele, 1910 - (ISCHNOCHITONIDAE)
- hartmeyeri, Alaba hartmeyeri (K.H.J. Thiele, 1930) - (LITIOPIDAE)
- hartmuti, Macedonica hartmuti A. Irikov, 2003 - (CLAUSILIIDAE)
- Hartogembryon, syn of: Genus Bothriembryon H.A. Pilsbry, 1894 (BOTHRIEMBRYONTIDAE)
- hartogi, Torresitrachia hartogi F. Köhler, 2011 - (CAMAENIDAE)
- hartogi, Epifungium hartogi (E. Gittenberger, 2003) - (EPITONIIDAE)
- hartogi, Epitonium hartogi E. Gittenberger, 2003 - syn of: Epifungium hartogi (E. Gittenberger, 2003) - (EPITONIIDAE)
- hartonense, Skaptotion hartonense Curry, 1965 † - (THECOSOMATA (UNASSIGNED)) (FOSSIL)
- hartorum, Neocancilla hartorum G.T. Poppe, Salisbury & S.P. Tagaro, 2015 - (MITRIDAE)
- hartsmithi, Notocypraea hartsmithi F.A. Schilder, 1967 - syn of: Notocypraea dissecta T. Iredale, 1931 - (CYPRAEIDAE)
- hartsocki, Xenocephalites hartsocki Imlay, 1953 † - (SPHAEROCERATIDAE) (FOSSIL)
- harttiformis, Vascoceras harttiformis Choffat, 1898 † - (VASCOCERATIDAE) (FOSSIL)
- harttii, Cucullaea harttii Rathburn, 1875 † - (CUCULLAEIDAE) (FOSSIL)
- harttii, Paravascoceras harttii (A. Hyatt, 1870 †) - (VASCOCERATIDAE) (FOSSIL)
- hartungi, Napaeus hartungi P.M.A. Morelet & H. Drouët, 1857 - (ENIDAE)
- hartungi, Helix hartungi J.A. Albers, 1852 - (HELICIDAE)
- hartungi, Leptostictea hartungi (J.A. Albers, 1852) - (HYGROMIIDAE)
- hartungi, Janthina hartungi C. Mayer, 1864 † - syn of: Janthina typica (H.G. Bronn, 1861 †) - (JANTHINIDAE) (FOSSIL)
- hartungi fictilis, Helix hartungi fictilis R.T. Lowe, 1852 - (HELICIDAE)
- hartungi fictilis, Leptostictea hartungi fictilis (R.T. Lowe, 1851) - (HYGROMIIDAE)
- Hartungia, Genus Hartungia Bronn, 1861 † (JANTHINIDAE) (FOSSIL)
- hartvigiana, Linucula hartvigiana (W.L.H. Dohrn, 1864) - (NUCULIDAE)
- hartvigii, Fusinus hartvigii (R.J. Shuttleworth, 1856) - (FASCIOLARIIDAE)
- hartvigii, Tivela hartvigii R.W. Dunker, 1879 - syn of: Tivela compressa (G.B. II Sowerby, 1851) - (VENERIDAE)
- hartvigii acuticostatus, Fusinus hartvigii acuticostatus (G.B. II Sowerby, 1880) - (FASCIOLARIIDAE)
- hartwegi, Isomeria hartwegi (L. Pfeiffer, 1846) - (CAMAENIDAE)
- hartwegi, Thaumastus hartwegi (L. Pfeiffer, 1846) - (MEGASPIRIDAE)
- hartwegii, Chiton hartwegii P.P. Carpenter, 1855 - syn of: Cyanoplax hartwegii (P.P. Carpenter, 1855) - (CHITONIDAE)
- hartwegii, Cyanoplax hartwegii (P.P. Carpenter, 1855) - (LEPIDOCHITONIDAE)
- hartwellensis, Hartwellia hartwellensis (J.. de C. Sowerby) † - (ARCTICIDAE) (FOSSIL)
- Hartwellia, Genus Hartwellia Kitchin, 1926 † (ARCTICIDAE) (FOSSIL)
- hartwigschuetti, Alzoniella hartwigschuetti (P.L. Reischütz, 1983) - (HYDROBIIDAE)
- hartwrighti, Diplodon hartwrighti H.F.A. von Ihering, 1910 - syn of: Rhipidodonta suavidica (I. Lea, 1856) - (HYRIIDAE)
- hartwrightii, Unio hartwrightii B.H. Wright, 1896 - syn of: Elliptio monroensis I. Lea, 1843 - (UNIONIDAE)
- hartzelli, Proarcestes hartzelli Smith, 1914 † - syn of: Proarcestes balfouri (Oppel, 1863 †) - (ARCESTIDAE) (FOSSIL)
- hartzi, Astarte hartzi Lundgren, 1895 - (ASTARTIDAE)
- hartzi, Eopecten hartzi Rosenkrantz, 1957 † - (PECTINIDAE) (FOSSIL)
- harucoa, Oenopota harucoa P. Bartsch, 1941 - syn of: Venustoma lacunosa (A.A. Gould, 1860) - (MANGELIIDAE)
- harudiensis, Cerithium harudiensis Halder & Sinha, 2014 † - (CERITHIIDAE) (FOSSIL)
- harukii, Cyclocardia harukii K. Oyama & A. Mizuno, 1958 † - (CARDITIDAE) (FOSSIL)
- harukoae, Odostomia harukoae S. Nomura, 1938 - (PYRAMIDELLIDAE)
- Haruspex, Genus Haruspex Shimanskii, 1968 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- harvardiana, Alderia harvardiana A.E.R. Agassiz, 1850 - syn of: Alderia modesta (S.L. Lovén, 1844) - (LIMAPONTIIDAE)
- harvardiensis, Alderia harvardiensis A.A. Gould, 1870 - syn of: Alderia modesta (S.L. Lovén, 1844) - (LIMAPONTIIDAE)
- Harvella, Genus Harvella J.E. Gray, 1853 (MACTRIDAE)
- harveyana, Engina harveyana F.C. Baker, 1891 - (BUCCINIDAE)
- harveyensis, Pisania harveyensis W.C. Mansfield, 1937 - (BUCCINIDAE)
- harveyensis, Alabina harveyensis W.C. Mansfield, 1930 - syn of: Finella adamsi (W.H. Dall, 1889) - (CERITHIIDAE)
- harveyensis, Sinployea harveyensis (A. Garrett, 1872) - (CHAROPIDAE)
- harveyensis, Conus harveyensis W.C. Mansfield, 1930 † - (CONIDAE) (FOSSIL)
- harveyensis, Pleuroploca harveyensis W.C. Mansfield, 1930 - syn of: Triplofusus giganteus (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- harveyensis, Semele harveyensis W.C. Mansfield, 1932 † - (SEMELIDAE) (FOSSIL)
- harveyensis, Turritella harveyensis (W.C. Mansfield, 1930 †) - (TURRITELLIDAE) (FOSSIL)
- harveyi, Megaloteuthis harveyi W.S. Kent, 1874 - syn of: Architeuthis dux J.J.S. Steenstrup, 1857 - (ARCHITEUTHIDAE)
- harveyi, Fusinus harveyi R. Hadorn & J. Roger, 2000 - (FASCIOLARIIDAE)
- harveyi, Alamirifica harveyi (J.J.F. Whiteaves, 1903 †) - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- harveyi, Oenopota harveyi (T.A. Verkrüzen, 1878) - (MANGELIIDAE)
- harveyi, Odostomia harveyi J.J. Van Aartsen & S.M. Smith, 1996 - (PYRAMIDELLIDAE)
- harveyi, Powelliphanta superba harveyi (A.W.B. Powell, 1946) - (RHYTIDIDAE)
- harveyi, Rissoa harveyi W. Thompson, 1840 - syn of: Chrysallida excavata (R.A. Philippi, 1836) - (RISSOIDAE)
- harveyorum, Microcolus harveyorum M. Lussi, 2014 - (FASCIOLARIIDAE)
- harviei, Pterotheca harviei Foerste, 1924 † - (PTEROTHECIDAE) (FOSSIL)
- harzhauseri, Cancellaria harzhauseri B.M. Landau & al., 2012 † - (CANCELLARIIDAE) (FOSSIL)
- harzhauseri, Siratus harzhauseri B.M. Landau & R. Houart, 2014 † - (MURICIDAE) (FOSSIL)
- harzhauseri, Cerithideopsis harzhauseri Dominici & T. Kowalke, 2014 † - (POTAMIDIDAE) (FOSSIL)
- harzhauseri, Terebra harzhauseri B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (TEREBRIDAE) (FOSSIL)
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vep
ves
vid
vip
vis
vob
vup
waa
wam
weg
who
wom
xac
yaa
yot
zaa
zem
zoo
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