- haacki, Roadoceras haacki (Miller, 1944 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- haae, Solen haae Thach, 2016 - (SOLENIDAE)
- haapaiense, Calliostoma haapaiense C. Vilvens, 2014 - (CALLIOSTOMATIDAE)
- haarmanni, Fagesia haarmanni Böse, 1918 † - syn of: Fagesia catinus (Mantell, 1822 †) - (VASCOCERATIDAE) (FOSSIL)
- haas, Ptychodon haas W.K. Weyrauch & C. Flores in C. Flores, 1968 - (CHAROPIDAE)
- haasi, Bostryx haasi W.K. Weyrauch, 1960 - (BULIMULIDAE)
- haasi, Naesiotus haasi W.K. Weyrauch, 1956 - (BULIMULIDAE)
- haasi, Llaucanianus haasi (W.K. Weyrauch, 1967) - (BULIMULIDAE)
- haasi, Cristataria haasi H. Nordsieck, 1971 - (CLAUSILIIDAE)
- haasi, Pfeifferiella haasi W.K. Weyrauch, 1957 - (CLAUSILIIDAE)
- haasi, Pusionella haasi P. Dautzenberg, 1912 - syn of: Pusionella valida (R.W. Dunker, 1852) - (CLAVATULIDAE)
- haasi, Peroniceras haasi A.T. Young, 1963 † - (COLLIGNONICERATIDAE) (FOSSIL)
- haasi, Cuspidaria haasi J. Knudsen, 1970 - (CUSPIDARIIDAE)
- haasi, Euchondrus haasi (L. Forcart, 1981) - (ENIDAE)
- haasi, Epiphragmophora haasi A. Zilch, 1953 - (EPIPHRAGMOPHORIDAE)
- haasi, Neogastroplites haasi Reeside & Cobban, 1960 † - (HOPLITIDAE) (FOSSIL)
- haasi, Spatha haasi H.A. Pilsbry, 1923 - syn of: Chambardia wahlbergi (C.F.F. von Krauss, 1848) - (IRIDINIDAE)
- haasi, Projuvavites haasi (Diener, 1921 †) - (JUVAVITIDAE) (FOSSIL)
- haasi, Parengonoceras haasi Benavides-Caceres, 1956 † - (KNEMICERATIDAE) (FOSSIL)
- haasi, Mathilda haasi H.K. Mienis, 1978 - syn of: Mathilda gemmulata C.G. Semper, 1865 - (MATHILDIDAE)
- haasi, Orthalicus haasi W.K. Weyrauch, 1967 - syn of: Llaucanianus haasi (W.K. Weyrauch, 1967) - (ORTHALICIDAE)
- haasi, Chondropoma pfeifferianum haasi C.G. Aguayo & M.L. Jaume, 1953 - (POMATIIDAE)
- haasi, Hebredelos haasi (G.A. Solem, 1959) - (RHYTIDIDAE)
- haasi, Delos haasi G.A. Solem, 1959 - syn of: Hebredelos haasi (G.A. Solem, 1959) - (RHYTIDIDAE)
- haasi, Systrophia haasi W.K. Weyrauch, 1960 - (SCOLODONTIDAE)
- haasi, Sphaerium haasi C.R. Böttger, 1915 - (SPHAERIIDAE)
- haasi, Euglandina haasi F.G. Thompson, 1982 - (SPIRAXIDAE)
- haasi, Truncatellina haasi L.A.W.C. Venmans, 1957 - (VERTIGINIDAE)
- haasi, Cipangopaludina haasi B. Prashad, 1928 - (VIVIPARIDAE)
- haasi, Zygopleura haasi Batten & A. Stokes, 1986 † - (ZYGOPLEURIDAE) (FOSSIL)
- haasi kharbatensis, Cristataria haasi kharbatensis H. Nordsieck, 1971 - (CLAUSILIIDAE)
- haasi magnifica, Pfeifferiella haasi magnifica H. Nordsieck, 1999 - (CLAUSILIIDAE)
- haasi minor, Bostryx haasi minor W.K. Weyrauch, 1960 - (BULIMULIDAE)
- haasianus, Cyclotus haasianus B. Rensch, 1931 - (CYCLOPHORIDAE)
- Haasica, Genus Haasica E. Strand, 1932 (MYCETOPODIDAE)
- Haasiella, syn of: Subgenus Anodonta (Anemina) F. Haas, 1969 (UNIONIDAE)
- haasii, Microdondylaea haasii W. Kobelt, 1914 - syn of: Leguminaia wheatleyi (I. Lea, 1862) - (UNIONIDAE)
- Haasodonta, Genus Haasodonta D.F. McMichael, 1956 (UNIONIDAE)
- haasti, Bathytoma haasti (F.W. Hutton, 1877 †) - (BORSONIIDAE) (FOSSIL)
- haasti, Inoceramus haasti Hochstetter, 1863 † - syn of: Retroceramus haasti (Hochstetter, 1863 †) - (INOCERAMIDAE) (FOSSIL)
- haasti, Tahunacca haasti (J. Marwick, 1924 †) - (NATICIDAE) (FOSSIL)
- haasti, Phrixgnathus haasti (F.W. Hutton, 1883) - (PUNCTIDAE)
- haasti, Laoma haasti F.W. Hutton, 1883 - syn of: Phrixgnathus haasti (F.W. Hutton, 1883) - (PUNCTIDAE)
- haasti, Retroceramus haasti (Hochstetter, 1863 †) - (RETROCERAMIDAE) (FOSSIL)
- haasti, Yoldiella haasti P.A. Maxwell, 1992 † - (YOLDIIDAE) (FOSSIL)
- haastiana, Struthioptera haastiana (R.O. Wilckens, 1922 †) - (APORRHAIDAE) (FOSSIL)
- haastiana, Corbula haastiana F.W. Hutton, 1878 - syn of: Corbula gibba (A.G. Olivi, 1792) - (CORBULIDAE)
- haastiana, Heminajas haastiana R.O. Wilckens, 1918 † - (TRIGONODIDAE) (FOSSIL)
- Haastina, Genus Haastina Marwick, 1953 † (LUCINIDAE) (FOSSIL)
- Habadraites, Genus Habadraites Korn & al., 2010 † (GONIATITIDAE) (FOSSIL)
- habanalamar, Clatrosansonia habanalamar J. Espinosa, J.A. Ortea & R. Fernández-Garcés, 2008 - (PICKWORTHIIDAE)
- habanensis, Cyerce habanensis J.A. Ortea & J. Templado, 1988 - (CALIPHYLLIDAE)
- habanensis, Diodora habanensis J.M.J. Christiaens, 1974 - syn of: Diodora listeri d'Orbigny, 1842 - (FISSURELLIDAE)
- habanensis, Dentimargo habanensis J. Espinosa, J.A. Ortea & L. Moro, 2012 - (MARGINELLIDAE)
- habanensis, Pygmaepterys habanensis J. Espinosa & J.A. Ortea, 2016 - (MURICIDAE)
- habanera, Volvarina habanera J. Espinosa & J.A. Ortea, 1997 - (MARGINELLIDAE)
- Habea, syn of: Genus Alexania E. Strand, 1928 (EPITONIIDAE)
- Habeas, Genus Habeas L.R.L. Simone, 2013 (DIPLOMMATINIDAE)
- Habecardium, Subgenus Nemocardium (Habecardium) M. Glibert & L. van de Poel, 1970 † (CARDIIDAE) (FOSSIL)
- habei, Petalifera habei N.B. Eales, 1960 - (APLYSIIDAE)
- habei, Assiminea habei R.T. Abbott, 1958 - (ASSIMINEIDAE)
- habei, Babylonia formosae habei C.O. Van Regteren Altena & E. Gittenberger, 1981 - (BABYLONIIDAE)
- habei, Buccinum habei R. Tiba, 1984 - syn of: Buccinum habui R. Tiba, 1984 - (BUCCINIDAE)
- habei, Nipponaphera habei R.E. Petit, 1972 - (CANCELLARIIDAE)
- habei, Stereophaedusa addisoni habei J.T. Kuroda, 1963 - (CLAUSILIIDAE)
- habei, Apicalia habei A. Warén, 1981 - (EULIMIDAE)
- habei, Glycymeris habei A. Matsukuma, 1984 - (GLYCYMERIDIDAE)
- habei, Parakaliella habei (J.T. Kuroda, 1944) - (HELICARIONIDAE)
- habei, Ogasawarana habei H. Minato, 1980 - (HELICINIDAE)
- habei, Leptochiton habei H. Saito, 1997 - (LEPTOCHITONIDAE)
- habei, Peasiella habei D.G. Reid & Y.M. Mak, 1998 - (LITTORINIDAE)
- habei, Nipponacmea habei (T. Sasaki & T.A. Okutani, 1994) - (LOTTIIDAE)
- habei, Wallucina habei Itoigawa 1955 † - (LUCINIDAE) (FOSSIL)
- habei, Furukawaia habei A.N. Golikov & V.V. Gulbin, 1978 - (NEWTONIELLIDAE)
- habei, Nuculana habei O.A. Scarlato, 1981 - syn of: Nuculana robai (J.T. Kuroda, 1929) - (NUCULANIDAE)
- habei, Robaia habei O.A. Scarlato, 1981 - syn of: Nuculana robai (J.T. Kuroda, 1929) - (NUCULANIDAE)
- habei, Volva habei K. Oyama, 1961 - (OVULIDAE)
- habei, Pelycidion habei (E.A. Kay, 1979) - (PELYCIDIIDAE)
- habei, Distorsio habei H. Lewis, 1972 - (PERSONIDAE)
- habei, Philine habei Á. Valdés, 2008 - (PHILINIDAE)
- habei, Antiplanes habei Y.I. Kantor & A.V. Sysoev, 1991 - (PSEUDOMELATOMIDAE)
- habei, Chrysallida habei S. Nomura, 1938 - (PYRAMIDELLIDAE)
- habei, Biwamelania habei (J.B. Burch, 1968) - (SEMISULCOSPIRIDAE)
- habei, Neohaustator fortilirata habei T. Kotaka, 1952 - (TURRITELLIDAE)
- habei, Petricola habei M. Huber, 2010 - (VENERIDAE)
- habei, Gomphina habei (M. Huber, 2010) - (VENERIDAE)
- habei, Timoclea habei E. Fischer-Piette & D. Vukadinovic, 1977 - (VENERIDAE)
- habei, Lyria habei T.A. Okutani, 1979 - syn of: Lyria mallicki H.S. Ladd, 1975 - (VOLUTIDAE)
- habei dondani, Lyria habei dondani M. Angioy & G. Biraghi, 1982 - syn of: Lyria mallicki dondani M. Angioy & G. Biraghi, 1982 - (VOLUTIDAE)
- habei jessicae, Lyria habei jessicae P. Bail & G.T. Poppe, 2003 - syn of: Lyria mallicki jessicae P. Bail & G.T. Poppe, 2004 - (VOLUTIDAE)
- habei luzonica, Assiminea habei luzonica R.T. Abbott, 1958 - (ASSIMINEIDAE)
- habei vicdani, Lyria habei vicdani S. Kosuge, 1981 - syn of: Lyria mallicki vicdani S. Kosuge, 1981 - (VOLUTIDAE)
- habei yamaguchi, Biwamelania habei yamaguchi (J.B. Burch, 1968) - (SEMISULCOSPIRIDAE)
- habeli, Naesiotus habeli W.H. Dall, 1892 - (BULIMULIDAE)
- habeli, Epitonium habeli W.H. Dall, 1917 - (EPITONIIDAE)
- Habepegris, syn of: Genus Idas T. Iredale, 1939 (MYTILIDAE)
- haberfellneri, Barroisiceras haberfellneri (J. Von Hauer, 1866 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- haberghamensis, Carbonicola haberghamensis W.B. Wright, 1934 † - (ANTHRACOSIIDAE) (FOSSIL)
- haberhaueri, Helicigona haberhaueri R. Sturany, 1897 - syn of: Campylaea trizona haberhaueri R. Sturany, 1897 - (HELICIDAE)
- haberhaueri, Campylaea trizona haberhaueri R. Sturany, 1897 - (HELICIDAE)
- Habesolatia, Subgenus Cancellaria (Habesolatia) J.T. Kuroda, 1965 (CANCELLARIIDAE)
- habessinica, Aeolidia habessinica C.G. Ehrenberg, 1831 - (AEOLIDIIDAE)
- Habevolutopsius, Genus Habevolutopsius Y.I. Kantor, 1984 (BUCCINIDAE)
- habibi, Amplogladius habibi Abbass, 1967 † - (ROSTELLARIIDAE) (FOSSIL)
- habibui, Juventigulella habibui P. Tattersfield, 1998 - (STREPTAXIDAE)
- habichi, Tudora habichi (C.D. Weinland) - (POMATIIDAE)
- habilis, Homo habilis Leakey & al., 1964 † - (Hominidae) (FOSSIL)
- Habonucula, Genus Habonucula Singh & Kanjilal, 1977 † (PRAENUCULIDAE) (FOSSIL)
- habooba, Huxleyia habooba P.G. Oliver & D.W. Taylor, 2012 - (NUCINELLIDAE)
- haboroensis, Pseudocardium haboroensis M. Yokoyama, 1927 † - (MACTRIDAE) (FOSSIL)
- haboroensis, Mytilus haboroensis H. Noda, 1992 † - (MYTILIDAE) (FOSSIL)
- haboroensis, Leionucula haboroensis (S. Kanno & Matsuno, 1960 †) - (NUCULIDAE) (FOSSIL)
- haboroensis, Orthoyoldia haboroensis S. Uozumi, 1957 † - (YOLDIIDAE) (FOSSIL)
- Haboroteuthis, Genus Haboroteuthis Tanabe, Misaki & Ubukata, 2015 † (TEUTHIDA (UNASSIGNED)) (FOSSIL)
- habra, Clavatula habra J. Gardner, 1938 † - (CLAVATULIDAE) (FOSSIL)
- habra, Zanassarina habra W.P. Woodring, 1964 † - (COLUMBELLIDAE) (FOSSIL)
- habra, Cryoturris habra W.P. Woodring, 1970 † - (MANGELIIDAE) (FOSSIL)
- Habra, syn of: Genus Abra J.B.P.A. Lamarck, 1818 (SEMELIDAE)
- habrawalensis, Limicolaria habrawalensis F.P. Jousseaume, 1899 - (ACHATINIDAE)
- Habroconus, Genus Habroconus P. Fischer & J.C.H. Crosse, 1872 (EUCONULIDAE)
- Habromorula, Subgenus Morula (Habromorula) R. Houart, 1995 (MURICIDAE)
- habropenos, Lataxiena habropenos R. Houart, 1995 - (MURICIDAE)
- habrotima, Parviturboides habrotima R.N. Kilburn, 1977 - (TORNIDAE)
- Habruprionovolva, syn of: Genus Prionovolva T. Iredale, 1930 (OVULIDAE)
- habui, Buccinum habui R. Tiba, 1984 - (BUCCINIDAE)
- habui, Phasmoconus habui (T.C. Lan, 2002) - (CONIDAE)
- habui, Babelomurex habui (M. Azuma, 1971) - (MURICIDAE)
- habui, Cuspivolva habui (C.N. Cate, 1973) - (OVULIDAE)
- habui, Primovula habui C.N. Cate, 1973 - syn of: Cuspivolva habui (C.N. Cate, 1973) - (OVULIDAE)
- habui, Kurodadrillia habui M. Azuma, 1975 - (PSEUDOMELATOMIDAE)
- Habuprionovolva, Genus Habuprionovolva M. Azuma, 1970 (OVULIDAE)
- habutae, Entalinopsis habutae (J.T. Kuroda & T. Kikuchi, 1933) - (ENTALINIDAE)
- hachensis, Drymaeus hachensis L.A. Reeve, 1850 - syn of: Drymaeus columbianus (H.C. Lea, 1838) - (BULIMULIDAE)
- hachetanum, Radiocentrum hachetanum H.A. Pilsbry, 1915 - (OREOHELICIDAE)
- hachibarensis, Kyushutrigonia hachibarensis Tamura & S. Nishimura, 1994 † - (TRIGONIIDAE) (FOSSIL)
- hachijoensis, Barbatia hachijoensis K.M. Hatai, H. Niino & T. Kotaka in H. Niino, 1952 - (ARCIDAE)
- hachijoensis, Trishoplita hachijoensis H.A. Pilsbry, 1902 - (BRADYBAENIDAE)
- hachijoensis, Japelion hachijoensis (T.A. Okutani, 1964) - (BUCCINIDAE)
- hachijoensis, Euchelus hachijoensis H.A. Pilsbry, 1904 - syn of: Herpetopoma rubrum (A. Adams, 1853) - (CHILODONTIDAE)
- hachijoensis, Kaliella hachijoensis H.A. Pilsbry, 1902 - (CHRONIDAE)
- hachijoensis, Metazaptyx hachijoensis (H.A. Pilsbry, 1901) - (CLAUSILIIDAE)
- hachijoensis, Cochlicopa lubrica hachijoensis H.A. Pilsbry, 1902 - (COCHLICOPIDAE)
- hachijoensis, Carychium hachijoensis H.A. Pilsbry, 1902 - (ELLOBIIDAE)
- hachijoensis, Luchuena hachijoensis (J.T. Kuroda, 1945) - (ENIDAE)
- hachijoensis, Gyroscala hachijoensis Is. Taki, 1957 - syn of: Gyroscala lamellosa (J.B.P.A. Lamarck, 1822) - (EPITONIIDAE)
- hachijoensis, Gastrocopta armigerella hachijoensis H.A. Pilsbry, 1916 - (GASTROCOPTIDAE)
- Hachijomopalia, syn of: Genus Plaxiphora J.E. Gray, 1847 (MOPALIIDAE)
- hachitana, Sonorella hachitana (W.H. Dall, 1896) - (HELMINTHOGLYPTIDAE)
- hachourii, Platiknemiceras hachourii (Dubourdieu, 1953 †) - (KNEMICERATIDAE) (FOSSIL)
- hachyoensis, Kaliella hachyoensis H.A. Pilsbry, 1902 - syn of: Kaliella hachijoensis H.A. Pilsbry, 1902 - (CHRONIDAE)
- hackberryensis, Turbonopsis hackberryensis (W.H. Webster, 1906 †) - (PALAEOTROCHIDAE) (FOSSIL)
- hackerae, Nesopupa hackerae J. Stanisic, 2010 - (VERTIGINIDAE)
- hackeri, Orthalicus hackeri (H. Strebel, 1909) - (ORTHALICIDAE)
- hackeri xanthus, Zebra hackeri xanthus H. Strebel, 1909 - syn of: Orthalicus hackeri (H. Strebel, 1909) - (ORTHALICIDAE)
- hacketti, Tornatina hacketti B.C. Cotton & F.C. Godfrey, 1933 - (CYLICHNIDAE)
- hacketti, Polinices hacketti L.N. Marincovich, 1975 - (NATICIDAE)
- Hacobjanella, Genus Hacobjanella Atabekjan, 1976 † (RADIOLITIDAE) (FOSSIL)
- hacobjani, Eutrephoceras hacobjani Shimansky, 1974 † - (NAUTILIDAE) (FOSSIL)
- Hacobjania, Genus Hacobjania Aliev & Lysenko, 1986 † (CEPHALASPIDA (UNASSIGNED)) (FOSSIL)
- haconensis, Unio haconensis H.F.A. von Ihering, 1893 - syn of: Inversiunio jokohamensis (H.F.A. von Ihering, 1893) - (UNIONIDAE)
- hacqueti, Leiodistichites hacqueti (Mojsisovics, 1893 †) - (DISTICHITIDAE) (FOSSIL)
- Hacrochlamys, Genus Hacrochlamys H.A. Pilsbry & S. Hirase (EUCONULIDAE)
- hadaga, Diplommatina hadaga S. Panha, 1998 - syn of: Diplommatina hidagai S. Panha, 1998 - (DIPLOMMATINIDAE)
- hadaka, Aegista aemula hadaka H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- hadakazimana, Turbonilla hadakazimana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- hadakazimana, Chemnitzia hadakazimana S. Nomura, 1938 - syn of: Turbonilla hadakazimana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- hadalis, Bathyneaera hadalis (J. Knudsen, 1970) - (CUSPIDARIIDAE)
- hadalis, Melanella hadalis J. Knudsen, 1964 - (EULIMIDAE)
- hadalis, Ptilomyax hadalis P.G. Oliver, 2012 - (MONTACUTIDAE)
- hadalis, Abyssotrophon hadalis (A.V. Sysoev, 1992) - (MURICIDAE)
- hadalis, Neilonella hadalis J. Knudsen, 1970 - (NEILONELLIDAE)
- hadalis, Parayoldiella hadalis (J. Knudsen, 1970) - (NUCULANIDAE)
- hadalis, Hyalopecten hadalis (J. Knudsen, 1970) - (PECTINIDAE)
- hadalis, Chevroderma hadalis D. Ivanov, 1996 - (PROCHAETODERMATIDAE)
- hadalis, Cyclopecten hadalis J. Knudsen, 1970 - syn of: Hyalopecten hadalis (J. Knudsen, 1970) - (PROPEAMUSSIIDAE)
- hadalis, Sarepta hadalis J. Knudsen, 1970 - syn of: Parayoldiella hadalis (J. Knudsen, 1970) - (SAREPTIDAE)
- hadalis, Axinulus hadalis (T.A. Okutani, K. Fujikura & S. Kojima, 1999) - (THYASIRIDAE)
- hadalis, Xylophaga hadalis J. Knudsen, 1961 - (XYLOPHAGAIDAE)
- hadalis, Yoldiella hadalis J. Knudsen, 1970 - syn of: Parayoldiella knudseni Z.A. Filatova & A.A. Schileyko, 1985 - (YOLDIIDAE)
- hadari, Drupa hadari W.K. Emerson & W.O. Cernohorsky, 1973 - syn of: Drupa ricinus lischkei (J.G. Hidalgo, 1904) - (MURICIDAE)
- haddletoni, Lampsilis haddletoni E.W. Athearn, 1964 - (UNIONIDAE)
- haddnightae, Cribrarula haddnightae W.P. Trenberth, 1973 - syn of: Cribrarula fallax (E.A. Smith, 1881) - (CYPRAEIDAE)
- haddoni, Chaetopleura haddoni R. Winckworth, 1927 - (CHAETOPLEURIDAE)
- haddoni, Acanthopleura haddoni R. Winckworth, 1927 - syn of: Acanthopleura vaillantii A. de Rochebrune, 1882 - (CHITONIDAE)
- haddoni, Loripes haddoni J.C. Melvill & R. Standen, 1899 - syn of: Wallucina fijiensis (E.A. Smith, 1885) - (LUCINIDAE)
- haddoni, Parilimya haddoni (J.C. Melvill & R. Standen, 1899) - (PARILIMYIDAE)
- haddoni, Pholadomya haddoni J.C. Melvill & R. Standen, 1899 - syn of: Parilimya haddoni (J.C. Melvill & R. Standen, 1899) - (PHOLADOMYIDAE)
- hadei, Daphniola hadei (E. Gittenberger, 1982) - (HYDROBIIDAE)
- hadei molai, Daphniola hadei molai (A. Reischütz & P.L. Reischütz, 2008) - (HYDROBIIDAE)
- hadelandicum, Sactoceras hadelandicum E. Strand , 1934 † - (POLYDESMIIDAE) (FOSSIL)
- hadenoecus, Helicodiscus hadenoecus L.R. Hubricht, 1962 - (HELICODISCIDAE)
- hadfieldae, Joculator hadfieldae Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- hadfieldi, Acteocina hadfieldi (J.C. Melvill & R. Standen, 1896) - (ACTEOCINIDAE)
- hadfieldi, Synthopsis hadfieldi (M. Jay & J. Drivas, 2002) - (CERITHIOPSIDAE)
- hadfieldi, Nanopsis hadfieldi (M. Jay & J. Drivas, 2002) - syn of: Synthopsis hadfieldi (M. Jay & J. Drivas, 2002) - (CERITHIOPSIDAE)
- hadfieldi, Lienardia hadfieldi J.C. Melvill & R. Standen, 1895 - syn of: Pseudodaphnella hadfieldi (J.C. Melvill & R. Standen, 1895) - (CLATHURELLIDAE)
- hadfieldi, Vexillum hadfieldi J.C. Melvill & R. Standen, 1895 - syn of: Vexillum exasperatum (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- hadfieldi, Costellaria hadfieldi J.C. Melvill & R. Standen, 1895 - syn of: Vexillum exasperatum (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- hadfieldi, Tornatina hadfieldi J.C. Melvill & R. Standen, 1896 - syn of: Acteocina hadfieldi (J.C. Melvill & R. Standen, 1896) - (CYLICHNIDAE)
- hadfieldi, Drillia hadfieldi J.C. Melvill & R. Standen, 1895 - syn of: Pseudodaphnella hadfieldi (J.C. Melvill & R. Standen, 1895) - (DRILLIIDAE)
- hadfieldi, Pseudodaphnella hadfieldi (J.C. Melvill & R. Standen, 1895) - (RAPHITOMIDAE)
- hadfieldi, Thylacodes hadfieldi (D.P. Kelly, 2007) - (VERMETIDAE)
- hadgii, Boucardicus hadgii E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1993 - (CYCLOPHORIDAE)
- hadibuensis, Achatinelloides hadibuensis (H.H. Godwin-Austen, 1881) - (CERASTUIDAE)
- hadiensis, Melanopsis hadiensis P.M. Pallary, 1928 - (MELANOPSIDAE)
- hadiprajitnoi, Asperitas stuartiae hadiprajitnoi B. Dharma, 1999 - (DYAKIIDAE)
- hadleyi, Balatonites hadleyi Smith, 1914 † - syn of: Unionvillites hadleyi (Smith, 1914 †) - (BALATONITIDAE) (FOSSIL)
- hadleyi, Unionvillites hadleyi (Smith, 1914 †) - (DANUBITIDAE) (FOSSIL)
- Hadoceras, syn of: Genus Phreatoceras R. Hershler & A.J. Longley, 1987 (HYDROBIIDAE)
- Hadoceras, Genus Hadoceras Strand , 1934 † (JOVELLANIIDAE) (FOSSIL)
- Hadopyrgus, Genus Hadopyrgus F.M. Climo, 1974 (HYDROBIIDAE)
- hadorni, Manaria hadorni Fraussen & Stahlschmidt, 2016 - (BUCCINIDAE)
- hadouphylax, Vinodolia hadouphylax (H. Schütt, 1959) - (HYDROBIIDAE)
- Hadra, Genus Hadra J.A. Albers, 1860 (CAMAENIDAE)
- hadra, Glyptoactis hadra (W.H. Dall, 1903 †) - (CARDITIDAE) (FOSSIL)
- hadra, Echinophoria hadra (W.P. Woodring & A.A. Olsson, 1957) - (CASSIDAE)
- hadra, Georissa hadra F.G. Thompson & S.P. Dance, 1983 - (HYDROCENIDAE)
- hadra, Nerita hadra W.P. Woodring, 1973 † - (NERITIDAE) (FOSSIL)
- hadra, Agaronia testacea hadra W.P. Woodring, 1964 - (OLIVIDAE)
- hadra, Gabrielona hadra (W.P. Woodring, 1928) - (PHASIANELLIDAE)
- hadra, Funa hadra A.V. Sysoev & P. Bouchet, 2001 - (PSEUDOMELATOMIDAE)
- hadra, Otitoma hadra Morassi, Nappo & Bonfitto, 2017 - (PSEUDOMELATOMIDAE)
- hadra, Relichna hadra Á. Valdés, 2008 - (RETUSIDAE)
- hadra, Pusillina hadra P. Bouchet & A. Warén, 1993 - (RISSOIDAE)
- hadra, Varicoturris hadra F.G. Thompson, 2009 - (SPIRAXIDAE)
- hadra, Psammotreta hadra W.P. Woodring, 1982 † - (TELLINIDAE) (FOSSIL)
- hadra, Esmeralda hadra S.Y. Feng, 1996 - (TORNIDAE)
- Hadralucina, Genus Hadralucina Woodring, 1982 † (LUCINIDAE) (FOSSIL)
- hadratatum, Dallocardia dominicense hadratatum W.P. Woodring, 1982 † - (CARDIIDAE) (FOSSIL)
- hadratera, Gobraeus listrota hadratera W.P. Woodring, 1982 - (PSAMMOBIIDAE)
- hadraterum, Nemocardium hadraterum W.P. Woodring, 1982 † - (CARDIIDAE) (FOSSIL)
- Hadraxon, Genus Hadraxon Oppenheim, 1892 (POTAMIDIDAE) (FOSSIL)
- hadria, Granulina hadria (W.H. Dall, 1889) - (MARGINELLIDAE)
- hadria, Pleurotomella hadria (W.H. Dall, 1889) - (RAPHITOMIDAE)
- Hadriana, syn of: Genus Hadriania M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 (MURICIDAE)
- Hadriania, Genus Hadriania M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 (MURICIDAE)
- Hadrina, syn of: Genus Hadriania M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 (MURICIDAE)
- Hadrochiton, Genus Hadrochiton Hoare , 2000 † (LEPTOCHITONIDAE) (FOSSIL)
- Hadroconus, Genus Hadroconus J.F. Quinn, 1987 (SEGUENZIIDAE)
- Hadrodon, Genus Hadrodon T.C. Yen, 1952 (UNIONIDAE)
- hadroglossa, Gulella hadroglossa Herbert, 2016 - (STREPTAXIDAE)
- hadrolineae, Semiricinula hadrolineae (R. Houart, 1996) - (MURICIDAE)
- hadromeres, Melatoma hadromeres J.C. Melvill, 1927 - syn of: Buchema hadromeres (J.C. Melvill, 1927) - (CLAVATULIDAE)
- hadromeres, Buchema hadromeres (J.C. Melvill, 1927) - (HORAICLAVIDAE)
- hadromylla, Trachycion hadromylla F.G. Thompson, 1968 - (UROCOPTIDAE)
- hadroni, Coelocyclus hadroni Tassell, 1982 † - (BELLEROPHONTIDAE) (FOSSIL)
- Hadroocorys, syn of: Genus Oocorys P. Fischer, 1883 (CASSIDAE)
- Hadropipetta, Genus Hadropipetta Hoare & al., 2002 † (PSEUDOBIGALEAIDAE) (FOSSIL)
- hadrosa, Obrimia hadrosa Bradshaw 1991 † - (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- hadrotes, Curvella hadrotes J.J. Vermeulen, T.S. Liew & M. Schilthuizen, 2015 - (SUBULINIDAE)
- Hadrothisbites, Genus Hadrothisbites Tozer , 1994 † (THISBITIDAE) (FOSSIL)
- hadrum, Strioterebrum oresignum hadrum W.P. Woodring, 1970 - (TEREBRIDAE)
- hadutkae, Lymnaea hadutkae N.D. Kruglov & Y.I. Starobogatov, 1989 - (LYMNAEIDAE)
- hadwigis, Tropaeas hadwigis (K.H.J. Thiele, 1925) - (PYRAMIDELLIDAE)
- hadwigis, Turbonilla hadwigis K.H.J. Thiele, 1925 - syn of: Tropaeas hadwigis (K.H.J. Thiele, 1925) - (PYRAMIDELLIDAE)
- hadzeli, Cyrtodontula hadzeli Pojeta & Gilbert-Tomlinson, 1977 † - (CYRTODONTIDAE) (FOSSIL)
- Hadziella, Genus Hadziella L. Kušcer, 1932 (HYDROBIIDAE)
- hadzii, Lyhnidia hadzii S. Hadžišce, 1959 - (HYDROBIIDAE)
- hadzii, Saxurinator hadzii (J. Bole, 1961) - (HYDROBIIDAE)
- haebaruensis, Monilea haebaruensis F.S. MacNeil, 1960 † - (TROCHIDAE) (FOSSIL)
- haeckeli, Waisiuconcha haeckeli R. von Cosel & C. Salas, 2001 - (VESICOMYIDAE)
- Haedropleura, Genus Haedropleura T.A. de M. Monterosato, 1883 (HORAICLAVIDAE)
- haegeli, Phyllidia haegeli (A. Fahrner & L.A. Beck, 2000) - (PHYLLIDIIDAE)
- haegeli, Fryeria haegeli A. Fahrner & L.A. Beck, 2000 - syn of: Phyllidia haegeli (A. Fahrner & L.A. Beck, 2000) - (PHYLLIDIIDAE)
- haeggi, Haeggochiton haeggi J.R.M. Bergenhayn, 1955 † - (SCANOCHITONIDAE) (FOSSIL)
- Haeggochiton, Genus Haeggochiton Bergenhayn, 1955 † (SCANOCHITONIDAE) (FOSSIL)
- haelluddenense, Oelandoceras haelluddenense Foerste, 1932 † - (ELLESMEROCERATIDAE) (FOSSIL)
- haelluddenense, Richardsonoceras haelluddenense Kröger & al., 2009 † - (ONCOCERATIDAE) (FOSSIL)
- haelluddense, Hedstroemoceras haelluddense Foerste, 1930 † - (BALTOCERATIDAE) (FOSSIL)
- haemastoma, Acavus haemastoma (C. Linnaeus, 1758) - (ACAVIDAE)
- haemastoma, Ampullaria haemastoma L.A. Reeve, 1856 - syn of: Pomacea guyanensis (J.B.P.A. Lamarck, 1822) - (AMPULLARIIDAE)
- haemastoma, Cyclotropis haemastoma (H.E. Anton, 1839) - (ASSIMINEIDAE)
- haemastoma, Buccinum haemastoma C. Linnaeus, 1767 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (BUCCINIDAE)
- haemastoma, Pollia haemastoma J.E. Gray, 1839 - syn of: Gemophos sanguinolentus (P.L. Duclos, 1833) - (BUCCINIDAE)
- haemastoma, Bivetopsia haemastoma (G.B. I Sowerby, 1832) - (CANCELLARIIDAE)
- haemastoma, Columbella haemastoma G.B. I Sowerby, 1832 - (COLUMBELLIDAE)
- haemastoma, Helicina haemastoma S. Moricand, 1839 - (HELICINIDAE)
- haemastoma, Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma, Cyclotopsis haemastoma T. Kira, 1955 - (POMATIIDAE)
- haemastoma, Triton haemastoma A. Valenciennes, 1832 - syn of: Monoplex pilearis (C. Linnaeus, 1758) - (RANELLIDAE)
- haemastoma, Canarium haemastoma (G.B. II Sowerby, 1842) - (STROMBIDAE)
- haemastoma acuminata, Purpura haemastoma acuminata F. Settepassi, 1977 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma bifasciata, Purpura haemastoma bifasciata L.C. Kiener, 1835 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma biserialis, Stramonita haemastoma biserialis H.M.D. de Blainville, 1832 - syn of: Stramonita biserialis (H.M.D. de Blainville, 1832) - (MURICIDAE)
- haemastoma brasiliensis, Stramonita haemastoma brasiliensis M. Claremont & D.G. Reid, 2011 - syn of: Stramonita brasiliensis M. Claremont & al., 2011 - (MURICIDAE)
- haemastoma bulbosa, Purpura haemastoma bulbosa F. Settepassi, 1977 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma calva, Purpura haemastoma calva H.C. Weinkauff, 1873 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma canaliculata, Stramonita haemastoma canaliculata J.E. Gray, 1839 - syn of: Stramonita canaliculata Gray, 1839 - (MURICIDAE)
- haemastoma consul, Stramonita haemastoma consul (J.H. Chemnitz, 1795) - (MURICIDAE)
- haemastoma cornuta, Purpura haemastoma cornuta R.A. Philippi, 1844 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma costellata, Purpura haemastoma costellata P.M. Pallary, 1900 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma elongata, Purpura haemastoma elongata F. Settepassi, 1977 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma fastuosa, Acavus haemastoma fastuosa (J.A. Albers, 1854) - (ACAVIDAE)
- haemastoma floridana, Stramonita haemastoma floridana (T.A. Conrad, 1837) - syn of: Stramonita floridana (T.A. Conrad, 1837) - (MURICIDAE)
- haemastoma forbesi, Stramonita haemastoma forbesi R.W. Dunker, 1853 - syn of: Thaisella forbesii (R.W. Dunker, 1853) - (MURICIDAE)
- haemastoma gracilior, Purpura haemastoma gracilior W. Kobelt, 1887 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma melanotragus, Acavus haemastoma melanotragus (I. von Born, 1778) - (ACAVIDAE)
- haemastoma minima, Purpura haemastoma minima P.M. Pallary, 1900 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma minor, Purpura haemastoma minor M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma nodulosa, Purpura haemastoma nodulosa M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastoma rodriguezensis, Cyclotopsis haemastoma rodriguezensis J.C.H. Crosse, 1873 - (POMATIIDAE)
- haemastoma scalariformis, Canarium haemastoma scalariformis P.L. Duclos, 1833 - (STROMBIDAE)
- haemastoma striata, Purpura haemastoma striata P.M. Pallary, 1900 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemastomum, Dolium haemastomum J.C. Jay in R.A. Philippi, 1845 - syn of: Tonna melanostoma (J.C. Jay, 1839) - (TONNIDAE)
- haemastomus, Megalobulimus oblongus haemastomus (G.A. Scopoli, 1786) - (MEGALOBULIMIDAE)
- haematina, Euplecta haematina (O.F. von Möllendorff) - (ARIOPHANTIDAE)
- haematita, Marginella haematita L.C. Kiener, 1834 - syn of: Eratoidea hematita (L.C. Kiener, 1834) - (MARGINELLIDAE)
- haematites, Zonaria haematites G.D. Nardo, 1847 - syn of: Zonaria pyrum (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- haematospira, Naesiotus haematospira (H.A. Pilsbry, 1900) - (BULIMULIDAE)
- haematospira, Protoglyptus haematospira H.A. Pilsbry, 1900 - syn of: Naesiotus haematospira (H.A. Pilsbry, 1900) - (ORTHALICIDAE)
- haematostoma, Amphidromus haematostoma G.A. Solem, 1961 - syn of: Amphidromus roseolabiatus H.C. Fulton, 1896 - (CAMAENIDAE)
- haematostoma, Helicina haematostoma S. Moricand, 1839 - (HELICINIDAE)
- haematozona, Camaena haematozona P.M. Heude, 1882 - (CAMAENIDAE)
- haematragum, Astralium haematragum (K.T. Menke, 1829) - (TURBINIDAE)
- haematura, Purpura haematura A. Valenciennes, 1846 - syn of: Stramonita biserialis (H.M.D. de Blainville, 1832) - (MURICIDAE)
- haemisphaerica, Trochulus haemisphaerica M. Lessona, 1879 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- haemostoma, Stramonita haemostoma (C. Linnaeus, 1767) - (MURICIDAE)
- haemostoma, Tortulosa haemostoma (L. Pfeiffer, 1856) - (PUPINIDAE)
- haemostoma, Canarium haemostoma G.B. II Sowerby, 1842 - syn of: Canarium haemastoma (G.B. II Sowerby, 1842) - (STROMBIDAE)
- haemotragum, Astralium haemotragum (K.T. Menke, 1829) - syn of: Astralium haematragum (K.T. Menke, 1829) - (TURBINIDAE)
- haena, Laxisuccinea haena C.M. Cooke, 1921 - (SUCCINEIDAE)
- haenensis, Leptachatina haenensis T.D.A. Cockerell, 1927 - (AMASTRIDAE)
- haenkei, Scutalus haenkei F. Haas, 1955 - (BULIMULIDAE)
- Haenleinia, Genus Haenleinia Böhm, 1907 † (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- haenseli, Videna haenseli P.B. Schmacker & O. Böttger, 1891 - (TROCHOMORPHIDAE)
- haeringensis, Aporrhais haeringensis (Gümbel, 1861 †) - (APORRHAIDAE) (FOSSIL)
- Haermaea, syn of: Genus Placida S. Trinchese, 1877 (LIMAPONTIIDAE)
- haersoltei, Ischnochiton haersoltei P. Kaas, 1954 - syn of: Ischnochiton yerburyi (E.A. Smith, 1891) - (ISCHNOCHITONIDAE)
- haesendoncki, Nuculoma haesendoncki (P. Nyst & G.D. Westendorp, 1839 †) - (NUCULIDAE) (FOSSIL)
- haesendoncki hanseata, Nuculoma haesendoncki hanseata (F. Kautsky, 1925) † - (NUCULIDAE) (FOSSIL)
- haesitans, Cyrtonybyoceras haesitans (Billings, 1857 †) - (ARMENOCERATIDAE) (FOSSIL)
- haesitans, Belgrandiella haesitans (C.A. Westerlund, 1881) - (HYDROBIIDAE)
- haessleini, Albinaria haessleini W.A. Fauer, 1978 - (CLAUSILIIDAE)
- haessleini, Bythiospeum haessleini (R. Zwanziger, 1939) - (HYDROBIIDAE)
- haessleini, Lartetia haessleini R. Zwanziger, 1939 - syn of: Bythiospeum haessleini (R. Zwanziger, 1939) - (MOITESSIERIIDAE)
- haessleini ecclesiophila, Albinaria haessleini ecclesiophila H. Nordsieck, 2007 - (CLAUSILIIDAE)
- haessleini eureka, Albinaria haessleini eureka E. Gittenberger, 1994 - (CLAUSILIIDAE)
- haessleini evelynae, Albinaria haessleini evelynae E. Gittenberger, 1998 - (CLAUSILIIDAE)
- haeussleri, Bythiospeum haeussleri (S. Clessin, 1890) - (HYDROBIIDAE)
- hafa, Gulella hafa K.C. Emberton, 2001 - (STREPTAXIDAE)
- hafahafa, Gulella hafahafa K.C. Emberton, 2001 - syn of: Gulella hafa K.C. Emberton, 2001 - (STREPTAXIDAE)
- hafi, Cardavia hafi Kríž, 2005 † - (CARDIOLIDAE) (FOSSIL)
- hafisi, Mangelia hafisi K.H.J. Thiele, 1925 - (MANGELIIDAE)
- hagei, Dunveganoceras hagei Warren & Stelck, 1955 † - (ACANTHOCERATIDAE) (FOSSIL)
- hagei, Buddhaites hagei McLearn, 1946 † - (GYMNITIDAE) (FOSSIL)
- hagemeisteri, Odostomia hagemeisteri W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- hagenensis, Breizospira hagenensis Heidelberger & Koch, 2005 † - (GOSSELETINIDAE) (FOSSIL)
- hageni, Elaphroconcha hageni (E. Weber, 1906) - (ARIOPHANTIDAE)
- hageni, Lituites hageni Remele, 1880 † - (LITUITIDAE) (FOSSIL)
- hageni, Symmetromphalus hageni L.A. Beck, 1992 - (NEOMPHALIDAE)
- hageni, Phyllidiella hageni A. Fahrner & L.A. Beck, 2000 - (PHYLLIDIIDAE)
- hageni, Pseudodon hageni (B. Strubell, 1897) - (UNIONIDAE)
- hagenii, Dreissena hagenii C.E. von Baer, 1826 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (DREISSENIDAE)
- hagenii, Mytilus hagenii C.E. von Baer, 1825 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (MYTILIDAE)
- hagenmuelleri, Valvata hagenmuelleri E. Caziot, 1902 - syn of: Valvata cristata G. Müller, 1774 - (VALVATIDAE)
- hagenmuelleriana, Microcolpia hagenmuelleriana J.R. Bourguignat, 1884 - syn of: Melanopsis cornea Pfeiffer, 1828 - (MELANOPSIDAE)
- hagenmulleri, Anodonta hagenmulleri J.R. Bourguignat, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- hagenmulleri, Valvata hagenmulleri E. Caziot, 1902 - syn of: Valvata cristata G. Müller, 1774 - (VALVATIDAE)
- Hagenmulleria, syn of: Genus Pisinna T.A. de M. Monterosato, 1878 (ANABATHRIDAE)
- hagenowi, Cuneigervillia hagenowi (R.W. Dunker, 1846 †) - (BAKEVELLIIDAE) (FOSSIL)
- hagenowi, Pseudomelania hagenowi (Klipstein, 1843 †) - (PSEUDOMELANIIDAE) (FOSSIL)
- hagenowi, Callista hagenowi (R.W. Dunker, 1849) - (VENERIDAE)
- hagenowii, Psilophyllites hagenowii (R.W. Dunker, 1847 †) - (PSILOCERATIDAE) (FOSSIL)
- hageri, Endoceras hageri J.W. Hall, 1861 † - (ENDOCERATIDAE) (FOSSIL)
- hageri, Cyclonema hageri Billings, 1865 † - (PLATYCERATIDAE) (FOSSIL)
- hagi, Gymnites hagi McLearn, 1946 † - syn of: Buddhaites hagei McLearn, 1946 † - (GYMNITIDAE) (FOSSIL)
- hagleri, Pleurobema hagleri L.S. Frierson, 1900 - syn of: Pleurobema rubellum T.A. Conrad, 1834 - (UNIONIDAE)
- hagni, Clavilithes hagni F. Traub, 1979 † - (FASCIOLARIIDAE) (FOSSIL)
- hagruma, Littorina hagruma T. Tokioka & T. Habe, 1953 - syn of: Echinolittorina vidua (A.A. Gould, 1859) - (LITTORINIDAE)
- haguei, Ceratites haguei Smith, 1914 † - syn of: Brackites vogdesi (Smith, 1904 †) - (CERATITIDAE) (FOSSIL)
- haha, Sinclairoceras haha Flower, 1952 † - (WESTONOCERATIDAE) (FOSSIL)
- hahajimana, Microcystina hahajimana H.A. Pilsbry, 1902 - syn of: Lamprocystis hahajimana (H.A. Pilsbry, 1902) - (ARIOPHANTIDAE)
- hahajimana, Mandarina hahajimana H.A. Pilsbry, 1901 - (CAMAENIDAE)
- hahajimana, Zafra hahajimana (H.A. Pilsbry, 1904) - (COLUMBELLIDAE)
- hahajimana, Lamprocystis hahajimana (H.A. Pilsbry, 1902) - (EUCONULIDAE)
- hahajimana, Stenomelania hahajimana H.A. Pilsbry & Y. Hirase, 1907 - (THIARIDAE)
- hahajimana anijimana, Lamprocystis hahajimana anijimana H.A. Pilsbry & Y. Hirase, 1905 - (EUCONULIDAE)
- hahajimana jekuna, Lamprocystis hahajimana jekuna H.A. Pilsbry & Y. Hirase, 1905 - (EUCONULIDAE)
- hahajimana kitaiwojimana, Lamprocystis hahajimana kitaiwojimana H.A. Pilsbry & Y. Hirase, 1905 - (EUCONULIDAE)
- hahajimana pachychillus, Lamprocystis hahajimana pachychillus H.A. Pilsbry & Y. Hirase, 1905 - (EUCONULIDAE)
- hahakeae, Philonesia hahakeae H.B. Baker, 1940 - (EUCONULIDAE)
- Hahazimania, Genus Hahazimania Yabe & Hatai, 1939 † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- hahni, Camaena hahni (J.F. Mabille, 1887) - (CAMAENIDAE)
- hahni, Chaetopleura hahni A. de Rochebrune, 1889 - syn of: Plaxiphora aurata (J.J.N.A. Spalowsky, 1795) - (CHAETOPLEURIDAE)
- hahni, Gaimardia hahni A. de Rochebrune & J.F. Mabille, 1889 - syn of: Gaimardia trapesina (J.B.P.A. Lamarck, 1819) - (GAIMARDIIDAE)
- hahni, Helix hahni J.F. Mabille, 1887 - syn of: Camaena hahni (J.F. Mabille, 1887) - (HELICIDAE)
- hahni, Volvarina hahni J.F. Mabille, 1884 - syn of: Volvarina warreni F.P. Marrat, 1876 - (MARGINELLIDAE)
- hahni, Pseudogravesia hahni Hantzpergue, 1987 † - (PERISPHINCTIDAE) (FOSSIL)
- haibensis, Aphanaia haibensis Reed, 1936 † - (ATOMODESMATIDAE) (FOSSIL)
- haicabia, Alzoniella haicabia H.D. Boeters, 2000 - (HYDROBIIDAE)
- Haicana, syn of: Genus Hiatella L.A.G. d'A. Bosc, 1801 (HIATELLIDAE)
- haidae, Waehneroceras haidae Longridge & al., 2008 † - (SCHLOTHEIMIIDAE) (FOSSIL)
- Haidaia, Subgenus Myophorella (Haidaia) Crickmay, 1930 † (MYOPHORELLIDAE) (FOSSIL)
- haidana, Truncacila haidana A. Packard, 1936 † - (NUCULIDAE) (FOSSIL)
- haidari, Muricopsis haidari R. Houart, 2003 - (MURICIDAE)
- haidari, Tambja haidari M. Pola, J.L. Cervera & T.M. Gosliner, 2006 - (POLYCERIDAE)
- haidingeri, Cerithium haidingeri Zekeli, 1852 † - syn of: Armenocerithium haidingeri (Zekeli, 1852 †) - (CERITHIIDAE) (FOSSIL)
- haidingeri, Armenocerithium haidingeri (Zekeli, 1852 †) - (DIOZOPTYXIDAE) (FOSSIL)
- haidingeri, Helix haidingeri A.E. Reuss in A.E. Reuss & Meyer, 1849 † - syn of: Miozonites algiroides (A.E. Reuss, 1849 †) - (HELICIDAE) (FOSSIL)
- haidingeri, Goniochilus glandulinus haidingeri (F. Stoliczka, 1862 †) - (HYDROBIIDAE) (FOSSIL)
- haidingeri, Lucina haidingeri R. Hoernes, 1848 † - (LUCINIDAE) (FOSSIL)
- haidingeri, Natica haidingeri Klipstein, 1843 † - syn of: Abrekopsis depresispirus (Batten & A. Stokes, 1986 †) - (NATICIDAE) (FOSSIL)
- haidingeri, Sageceras haidingeri (J. Von Hauer, 1847 †) - (SAGECERATIDAE) (FOSSIL)
- haidingeri, Chione haidingeri (R. Hoernes, 1862 †) - (VENERIDAE) (FOSSIL)
- haidingerianum, Actinostreon haidingerianum (Emmrich 1853) † - (ARCTOSTREIDAE) (FOSSIL)
- Haidingerites, Genus Haidingerites Mojsisovics, 1893 † (CERATITIDA (UNASSIGNED)) (FOSSIL)
- Haidongoconcha, Genus Haidongoconcha Fang & Cope, 2004 † (REDONIIDAE) (FOSSIL)
- haifaensis, Monacha haifaensis P.M. Pallary, 1939 - (HYGROMIIDAE)
- haifensis, Vexillum haifensis F. Nordsieck, 1982 - syn of: Vexillum hypatiae (P.M. Pallary, 1912) - (COSTELLARIIDAE)
- haifensis, Rissoina plicata haifensis F. Nordsieck, 1972 - (RISSOINIDAE)
- haigi, Pumiliobelus haigi T. Williamson & R. Henderson, 2015 † - (DIMITOBELIDAE) (FOSSIL)
- hailei, Opisthostoma hailei G.A. Solem, 1964 - (DIPLOMMATINIDAE)
- haimeanus, Parallelodon haimeanus de Koninck, 1851 † - (PARALLELODONTIDAE) (FOSSIL)
- haimei, Ptychocerithium haimei E.W. Vredenburg, 1928 † - (CERITHIIDAE) (FOSSIL)
- haimei, Eovasum haimei (d'Archiac & Haime, 1854 †) - (TURBINELLIDAE) (FOSSIL)
- haimei, Lyrischapa haimei (d'Archiac & Haime, 1853 †) - (VOLUTIDAE) (FOSSIL)
- haimei, Aulicina haimei A.E.M. Cossmann & G. Pissarro, 1909 † - syn of: Lyrischapa vredenburgi D. Merle & al., 2014 † - (VOLUTIDAE) (FOSSIL)
- Hainanema, Genus Hainanema Heidelberger, 2001 † (PALAEOZYGOPLEURIDAE) (FOSSIL)
- hainanensis, Sitala hainanensis O.F. von Möllendorff - (ARIOPHANTIDAE)
- hainanensis, Camaena hainanensis (A. Adams, 1870) - (CAMAENIDAE)
- hainanensis, Phaedusa hainanensis (O.F. von Möllendorff, 1884) - (CLAUSILIIDAE)
- hainanensis, Helix hainanensis A. Adams, 1870 - syn of: Camaena hainanensis (A. Adams, 1870) - (HELICIDAE)
- hainanensis, Aphanoconia hungerfordianum hainanensis (O.F. von Möllendorff, 1882) - (HELICINIDAE)
- hainanensis, Marocella hainanensis G.Y. Lin, 1999 † - (MAROCELLIDAE) (FOSSIL)
- hainanensis, Natica hainanensis J.Y. Liu, 1977 - (NATICIDAE)
- hainanensis, Sulcospira hainanensis (A. Brot, 1872) - (PACHYCHILIDAE)
- hainanensis, Brotia hainanensis (A. Brot, 1872) - syn of: Sulcospira hainanensis (A. Brot, 1872) - (PACHYCHILIDAE)
- hainanensis, Wilkingia hainanensis Y. Fang & Yin, 1995 † - (SANGUINOLITIDAE) (FOSSIL)
- hainanensis, Abra hainanensis G.B. Sowerby, 1846 - (SEMELIDAE)
- hainanensis, Tellina hainanensis O.A. Scarlato, 1965 - (TELLINIDAE)
- hainanensis, Cadella delta hainanensis O.A. Scarlato, 1965 - (TELLINIDAE)
- hainanensis, Melania hainanensis A. Brot, 1847 - syn of: Sulcospira hainanensis (A. Brot, 1872) - (THIARIDAE)
- hainanensis, Thracia hainanensis F.S. Xu, 1989 - (THRACIIDAE)
- hainanensis, Cipangopaludina hainanensis (O.F. von Möllendorff, 1909) - (VIVIPARIDAE)
- hainanensis ingens, Camaena hainanensis ingens O.F. von Möllendorff, 1901 - (CAMAENIDAE)
- hainanensis polyzona, Camaena hainanensis polyzona O.F. von Möllendorff, 1884 - (CAMAENIDAE)
- hainanensis xanthoderma, Camaena hainanensis xanthoderma (O.F. von Möllendorff, 1882) - (CAMAENIDAE)
- Hainania, syn of: Subgenus Sanguinolaria (Psammosphaerica) F.P. Jousseaume, 1894 (PSAMMOBIIDAE)
- Hainella, syn of: Genus Anatoma S. Woodward, 1859 (ANATOMIDAE)
- hainense, Conocardium hainense Maurer, 1885 † - (CONOCARDIIDAE) (FOSSIL)
- hainensis, Cyclotus hainensis (C.B. Adams, 1870) - (CYCLOPHORIDAE)
- hainensis, Alaskozygopleura hainensis Heidelberger, 2001 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- hainensis, Platyceras hainensis Maurer, 1885 † - (PLATYCERATIDAE) (FOSSIL)
- hainesi, Columna hainesi (L. Pfeiffer, 1852) - (ACHATINIDAE)
- hainesi, Macrochlamys hainesi (L. Pfeiffer) - (ARIOPHANTIDAE)
- hainesi, Sarika hainesi (L. Pfeiffer, 1857) - (ARIOPHANTIDAE)
- hainesi, Ortonella hainesi (Miller, 1874 †) - (CYRTODONTIDAE) (FOSSIL)
- hainesi, Marginella hainesi S.A.A. Petit De La Saussaye, 1851 - syn of: Cryptospira ventricosa (Fischer de Waldheim, 1807) - (MARGINELLIDAE)
- hainesi, Cryptospira hainesi S.A.A. Petit De La Saussaye, 1851 - syn of: Cryptospira ventricosa (Fischer de Waldheim, 1807) - (MARGINELLIDAE)
- Hainesia, Genus Hainesia L. Pfeiffer, 1856 (MEGALOMASTOMIDAE)
- hainesiana, Brotia costula hainesiana (I. Lea, 1856) - (PACHYCHILIDAE)
- hainesiana, Tarebia hainesiana I. Lea, 1856 - syn of: Brotia costula hainesiana (I. Lea, 1856) - (THIARIDAE)
- hainesiana, Chamberlainia hainesiana (I. Lea, 1856) - (UNIONIDAE)
- hainesii, Rhiostoma hainesii (L. Pfeiffer, 1856) - (CYCLOPHORIDAE)
- hainesii, Isidorella hainesii (G.W. Tryon, 1866) - (PLANORBIDAE)
- haingsisiana, Elysia haingsisiana L.S.R. Bergh, 1905 - (PLAKOBRANCHIDAE)
- haini, Admete haini H. Numanami, 1996 - (CANCELLARIIDAE)
- haini, Diaphana haini K. Linse & T. Schiøtte, 2002 - (DIAPHANIDAE)
- hainsworthi, Crepidula hainsworthi Johnston, 1885 † - (CALYPTRAEIDAE) (FOSSIL)
- haiphongensis, Kaliella haiphongensis P. Dautzenberg, 1893 - (CHRONIDAE)
- haitensis, Drymaeus sallei haitensis H.A. Pilsbry, 1899 - (BULIMULIDAE)
- haitensis, Trigoniocardia haitensis (Sowerby, 1850 †) - (CARDIIDAE) (FOSSIL)
- haitensis, Praehyalocylis haitensis R.L. Collins, 1934 - syn of: Hyalocylis striata (P.C.A.S.L. Rang, 1828) - (CAVOLINIIDAE)
- haitensis, Costoanachis haitensis (Sowerby, 1850 †) - (COLUMBELLIDAE) (FOSSIL)
- haitensis, Conus haitensis Sowerby, 1850 † - syn of: Pyruconus haytensis (G.B. II Sowerby, 1850 †) - (CONIDAE) (FOSSIL)
- haitensis, Fusinus henekeni haitensis Sowerby, 1850 † - (FASCIOLARIIDAE) (FOSSIL)
- haitensis, Hyotissa haitensis (Sowerby, 1850 †) - (GRYPHAEIDAE) (FOSSIL)
- haitensis, Pseudomiltha haitensis W.P. Woodring & W.C. Mansfield, 1924 - syn of: Solelucina koumacia E.A. Glover & Taylor, 2007 - (LUCINIDAE)
- haitensis, Rolleia haitensis P. Bartsch, 1946 - (POMATIIDAE)
- haitensis, Lobatus haitensis Sowerby, 1850 † - (STROMBIDAE) (FOSSIL)
- haitensis, Oreoterebra haitensis (W.H. Dall, 1895 †) - (TEREBRIDAE) (FOSSIL)
- haitensis, Vasum haitensis Sowerby, 1850 † - (TURBINELLIDAE) (FOSSIL)
- haitensis, Polystira haitensis (Sowerby, 1850 †) - (TURRIDAE) (FOSSIL)
- haitensis cercadica, Trigoniocardia haitensis cercadica (C.J. Maury, 1917 †) - (CARDIIDAE) (FOSSIL)
- haitensis sambaica, Trigoniocardia haitensis sambaica (C.J. Maury, 1917 †) - (CARDIIDAE) (FOSSIL)
- Haitia, Genus Haitia W.J. Clench & C.G. Aguayo, 1932 (PHYSIDAE)
- haitiensis, Eupera haitiensis M.A. Klappenbach, 1970 - (SPHAERIIDAE)
- haitiensis, Archegocoptis haitiensis W.J. Clench, 1936 - (UROCOPTIDAE)
- Haitipoma, syn of: Genus Parachondria W.H. Dall, 1905 (POMATIIDAE)
- hajierensis, Streblopteria hajierensis C.C. Lu, 1986 † - (DELTOPECTINIDAE) (FOSSIL)
- hajimeana, Omphalotukaia hajimeana (Yoshida, 1948) - (CALLIOSTOMATIDAE)
- hajnaldiana, Helix hajnaldiana J. Hazay, 1880 - syn of: Helix pomatia C. Linnaeus, 1758 - (HELICIDAE)
- hakarimata, Phenacohelix hakarimata J.F. Goulstone, 2001 - (CHAROPIDAE)
- hakataramea, Dentimargo hakataramea (P.A. Maxwell, 1969 †) - (MARGINELLIDAE) (FOSSIL)
- hakei, Argopecten hakei L.G. Hertlein, 1925 † - (PECTINIDAE) (FOSSIL)
- hakimensis, Praeundulomya hakimensis Dickins & Skwarko, 1981 † - (SANGUINOLITIDAE) (FOSSIL)
- hakodadensis, Ischnochiton hakodadensis P.P. Carpenter in H.A. Pilsbry, 1893 - (ISCHNOCHITONIDAE)
- hakodadiense, Hemipoma hakodadiense (J.D.W. Hartmann, 1890) - (HELICINIDAE)
- hakodatensis, Astarte hakodatensis M. Yokoyama, 1920 - (ASTARTIDAE)
- hakodatensis, Leptochiton hakodatensis (K.H.J. Thiele, 1909) - (LEPTOCHITONIDAE)
- hakodatensis, Limaria hakodatensis (S. Tokunaga, 1906) - (LIMIDAE)
- hakodatensis, Lima hakodatensis S. Tokunaga, 1906 - syn of: Limaria hakodatensis (S. Tokunaga, 1906) - (LIMIDAE)
- hakonensis, Pinguiphaedusa hakonensis (H.A. Pilsbry, 1900) - (CLAUSILIIDAE)
- hakonensis, Helicarion hakonensis H.A. Pilsbry & Y. Hirase, 1905 - (HELICARIONIDAE)
- hakonensis okutamaensis, Pinguiphaedusa hakonensis okutamaensis (J.T. Kuroda, 1963) - (CLAUSILIIDAE)
- hakuhoae, Basilissopsis hakuhoae Y. Kurihara & S. Ohta, 2008 - (SEGUENZIIDAE)
- hakunamatata, Hermosita hakunamatata (J.A. Ortea, G.M. Caballer & J. Espinosa, 2003) - (FACELINIDAE)
- hakunamatata, Phestilla hakunamatata J.A. Ortea, G.M. Caballer & J. Espinosa, 2003 - syn of: Hermosita hakunamatata (J.A. Ortea, G.M. Caballer & J. Espinosa, 2003) - (TRINCHESIIDAE)
- hakusanensis, Aegista hakusanensis M. Azuma, 1982 - (BRADYBAENIDAE)
- hakusanus, Nipponochlamys hakusanus (H.A. Pilsbry & Y. Hirase, 1907) - (HELICARIONIDAE)
- hakushatonensis, Macoma hakushatonensis S. Nomura, 1933 - syn of: Abra lunella (A.A. Gould, 1861) - (TELLINIDAE)
- hakusyensis, Lymnaea hakusyensis N.D. Kruglov & Y.I. Starobogatov, 1989 - (LYMNAEIDAE)
- halaense, Trachycardium halaense d'Archaic & Haime, 1854 † - (CARDIIDAE) (FOSSIL)
- halaibensis, Tropaeas halaibensis (R. Sturany, 1903) - (PYRAMIDELLIDAE)
- halanychi, Falcidens halanychi C.F.C. Schander, A.H. Scheltema & D. Ivanov, 2006 - (CHAETODERMATIDAE)
- halanychi, Turbonilla halanychi F. Lygre, J.A. Kongsrud & C.F.C. Schander, 2011 - (PYRAMIDELLIDAE)
- halata, Asperitas bimaensis halata (A. Mousson, 1849) - (DYAKIIDAE)
- halavatsi, Undulotheca halavatsi (Gorjanovic-Kramberger, 1901 †) - (LYMNAEIDAE) (FOSSIL)
- halavatsi, Galba halavatsi W.A. Wenz, 1922 † - (LYMNAEIDAE) (FOSSIL)
- halavatsi, Melanopsis entzi halavatsi P.S. Pavlovic, 1927 † - (MELANOPSIDAE) (FOSSIL)
- halavatsi, Planorbarius halavatsi T.A. Neubauer, M. Harzhauser, A. Kroh, E. Georgopoulou & O. Mandic, - (PLANORBIDAE) (FOSSIL)
- halavatsi, Valvata ocsensis halavatsi (Gozhik, 2002 †) - (VALVATIDAE) (FOSSIL)
- halawaensis, Partulina virgulata halawaensis D.D. Baldwin, 1906 - (ACHATINELLIDAE)
- halberdopsis, Anchura halberdopsis Elder & Saul, 1996 † - (APORRHAIDAE) (FOSSIL)
- Halcampicola, Genus Halcampicola P.G. Oliver, 1993 (GALEOMMATIDAE)
- halcyon, Marstonia halcyon F.G. Thompson, 1977 - (HYDROBIIDAE)
- halcyonis, Ophiodermella halcyonis W.H. Dall, 1908 - syn of: Ophiodermella inermis (L.A. Reeve, 1843) - (BORSONIIDAE)
- halcyonis, Turris halcyonis W.H. Dall, 1908 - syn of: Ophiodermella inermis (L.A. Reeve, 1843) - (TURRIDAE)
- haldeman, Goniobasis haldeman G.W. Tryon, 1865 - (PLEUROCERIDAE)
- haldemani, Acella haldemani (W.G. Binney, 1867) - (LYMNAEIDAE)
- haldemani, Lymnaea haldemani W.G. Binney, 1867 - syn of: Acella haldemani (W.G. Binney, 1867) - (LYMNAEIDAE)
- haldemani, Nassarius haldemani (R.W. Dunker, 1847) - (NASSARIIDAE)
- haldemani, Planorbis haldemani C.B. Adams, 1849 - syn of: Drepanotrema anatinum (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- haldemani, Ancylus haldemani O. Böttger, 1853 - syn of: Ferrissia rivularis (T. Say, 1817) - (PLANORBIDAE)
- haldemani, Elimia livescens haldemani G.W. Tryon, 1865 - (PLEUROCERIDAE)
- Haldemania, syn of: Genus Ferrissia B. Walker, 1903 (PLANORBIDAE)
- haldemaniana, Helix haldemaniana L. Pfeiffer, 1845 - syn of: Hyalosagda arboreoides (C.B. Adams, 1845) - (HELICIDAE)
- Haldemanina, Subgenus Planorbula (Haldemanina) W.H. Dall, 1905 (PLANORBIDAE)
- haldemanni, Buccinum haldemanni R.W. Dunker, 1847 - syn of: Nassarius haldemani (R.W. Dunker, 1847) - (BUCCINIDAE)
- haldemanniana, Helix haldemanniana L. Pfeiffer, 1845 - syn of: Hyalosagda arboreoides (C.B. Adams, 1845) - (HELICIDAE)
- haldemsis, Pachydiscus haldemsis (Schluter, 1867 †) - (DESMOCERATIDAE) (FOSSIL)
- Haldra, Subgenus Chrysallida (Haldra) W.H. Dall & P. Bartsch, 1904 (PYRAMIDELLIDAE)
- Haleakala, Subgenus Philonesia (Haleakala) F.C. Baker, 1949 (EUCONULIDAE)
- haleanus, Athleta haleanus R.P. Whitfield, 1865 † - (VOLUTIDAE) (FOSSIL)
- halei, Crassatella halei G.F. Harris, 1897 † - syn of: Crassatella aquiana Clark, 1895 † - (CRASSATELLIDAE) (FOSSIL)
- halei, Cuspidaria halei B.C. Cotton & F.C. Godfrey, 1938 - (CUSPIDARIIDAE)
- halei, Prosolarium halei J.W. Hall, 1867 † - syn of: Prosolarium hallei (J.W. Hall, 1867 †) - (LUCIELLIDAE) (FOSSIL)
- halei, Physa halei I. Lea, 1864 - syn of: Haitia mexicana (R.A. Philippi, 1841) - (PHYSIDAE)
- halei, Pleurotomaria halei J.W. Hall, 1867 † - syn of: Prosolarium hallei (J.W. Hall, 1867 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- halei, Clarkesvillia halei Flower, 1946 † - (WESTONOCERATIDAE) (FOSSIL)
- haleianus, Unio haleianus I. Lea, 1842 - syn of: Toxolasma texasiensis I. Lea, 1838 - (UNIONIDAE)
- haleiwensis, Odostomia haleiwensis H.A. Pilsbry, 1918 - syn of: Evalea waikikiensis (H.A. Pilsbry, 1918) - (PYRAMIDELLIDAE)
- halensis, Aviculopecten halensis Mather, 1915 † - (AVICULOPECTINIDAE) (FOSSIL)
- halensis, Lima halensis W.H. Dall, 1916 † - (LIMIDAE) (FOSSIL)
- halensis, Marginella halensis W.H. Dall, 1916 † - (MARGINELLIDAE) (FOSSIL)
- halensis, Turritella halensis W.H. Dall, 1916 † - (TURRITELLIDAE) (FOSSIL)
- Haleotis, syn of: Genus Haliotis C. Linnaeus, 1758 (HALIOTIDAE)
- halepensis, Buliminus halepensis L. Pfeiffer, 1841 - (ENIDAE)
- halepensis urmianus, Petraeus halepensis urmianus O. Böttger, 1898 - syn of: Buliminus urmianus O. Böttger, 1898 - (ENIDAE)
- Halewisia, Genus Halewisia G.M. Davis, 1979 (POMATIOPSIDAE)
- haleyi, Ostrea haleyi L.G. Hertlein, 1933 † - (OSTREIDAE) (FOSSIL)
- haleyi, Turbonilla haleyi A.M. Strong & L.G. Hertlein, 1939 - (PYRAMIDELLIDAE)
- halfari, Gosseletia halfari Frech, 1891 † - (AMBONYCHIIDAE) (FOSSIL)
- halfari, Palaeoneilo halfari Beushausen, 1895 † - (MALLETIIDAE) (FOSSIL)
- Halgerda, Genus Halgerda L.S.R. Bergh, 1880 (DISCODORIDIDAE)
- halgerda, Taringa halgerda T.M. Gosliner & D.W. Behrens, 1998 - (DISCODORIDIDAE)
- halgerda, Reticulidia halgerda D.J. Brunckhorst & R.F. Burn in D.J. Brunckhorst, 1990 - (PHYLLIDIIDAE)
- HALGERDIDAE - syn of Family: DISCODORIDIDAE
- HALGERIDIDAE - syn of Family: DISCODORIDIDAE
- Halgyrineum, Genus Halgyrineum A.G. Beu, 1998 (RANELLIDAE)
- halia, Cerithiopsis halia P. Bartsch, 1911 - (CERITHIOPSIDAE)
- halia, Eatonina halia (P. Bartsch, 1915) - (CINGULOPSIDAE)
- halia, Melanella halia P. Bartsch, 1917 - (EULIMIDAE)
- halia, Alvania halia P. Bartsch, 1911 - (RISSOIDAE)
- Halia, syn of: Genus Ampulla P.F. Röding, 1798 (VOLUTIDAE)
- haliaeeti, Columbella haliaeeti J.G. Jeffreys, 1867 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- haliaeeti, Anachis haliaeeti J.G. Jeffreys, 1867 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- haliaeeti, Amphissa haliaeeti É.A.A. Locard, 1897 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- haliaeeti albula, Columbella haliaeeti albula J.G. Jeffreys, 1869 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- haliaeeti attenuata, Anachis haliaeeti attenuata É.A.A. Locard, 1897 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- haliaeeti costulatissima, Anachis haliaeeti costulatissima É.A.A. Locard, 1897 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- haliaeeti curta, Anachis haliaeeti curta É.A.A. Locard, 1897 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- haliaeeti major, Anachis haliaeeti major É.A.A. Locard, 1897 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- halians, Dolichupis halians (C.N. Cate, 1979) - (TRIVIIDAE)
- haliarchus, Tristichotrochus haliarchus (J.C. Melvill, 1889) - (CALLIOSTOMATIDAE)
- haliarchus, Ziziphinus haliarchus J.C. Melvill, 1889 - syn of: Tristichotrochus haliarchus (J.C. Melvill, 1889) - (CALLIOSTOMATIDAE)
- halibrecta, Turbonilla halibrecta W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- halibrectum, Calliostoma halibrectum W.H. Dall, 1927 - (CALLIOSTOMATIDAE)
- halibrectus, Latisipho halibrectus (W.H. Dall, 1891) - (BUCCINIDAE)
- halibrectus, Colus halibrectus W.H. Dall, 1891 - syn of: Latisipho halibrectus (W.H. Dall, 1891) - (BUCCINIDAE)
- haliburtoni, Poleumita haliburtoni McLearn, 1924 † - (EUOMPHALIDAE) (FOSSIL)
- Halicardia, Genus Halicardia W.H. Dall, 1895 (VERTICORDIIDAE)
- Halicardissa, syn of: Genus Halicardia W.H. Dall, 1895 (VERTICORDIIDAE)
- Halicardissa, syn of: Genus Halicardia W.H. Dall, 1895 (VERTICORDIIDAE)
- halichlora, Helicostyla halichlora C.G. Semper, 1866 - (BRADYBAENIDAE)
- haliciensis, Daudebardia haliciensis C.A. Westerlund, 1881 - syn of: Daudebardia rufa (J.P.R. Draparnaud, 1805) - (OXYCHILIDAE)
- haliclona, Noumea haliclona (R.F. Burn, 1957) - (CHROMODORIDIDAE)
- halicyria, Comitas halicyria (J.C. Melvill, 1904) - (PSEUDOMELATOMIDAE)
- halidoma, Clionella halidoma P. Bartsch, 1915 - syn of: Clionella semicostata (L.C. Kiener, 1840) - (CLAVATULIDAE)
- halidoma, Turbonilla halidoma W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- halidonata, Anadara halidonata W.H. Dall, 1898 † - (ARCIDAE) (FOSSIL)
- halidonata oresta, Anadara halidonata oresta W.P. Woodring, 1925 - (ARCIDAE)
- halidonus, Colus halidonus (W.H. Dall, 1919) - (BUCCINIDAE)
- halidonus, Fusus halidonus W.H. Dall, 1919 - syn of: Colus halidonus (W.H. Dall, 1919) - (FASCIOLARIIDAE)
- halidorema, Fenimorea halidorema (J.S. Schwengel, 1940) - (DRILLIIDAE)
- halidorema, Splendrillia halidorema J.S. Schwengel, 1940 - syn of: Fenimorea halidorema (J.S. Schwengel, 1940) - (DRILLIIDAE)
- Haliella, Genus Haliella T.A. de M. Monterosato, 1878 (EULIMIDAE)
- Halielloides, Genus Halielloides P. Bouchet & A. Warén, 1986 (EULIMIDAE)
- halieos, Deroceras halieos A.J. de Winter & L.J.M. Butot, 1986 - (AGRIOLIMACIDAE)
- halili, Acrochordiceras halili F. Toula, 1896 † - syn of: Acrochordiceras carolinae Mojsisovics, 1882 † - (ACROCHORDICERATIDAE) (FOSSIL)
- Halilucites, Genus Halilucites Diener, 1905 † (CERATITIDAE) (FOSSIL)
- halimedae, Elysia halimedae W. Macnae, 1954 - syn of: Elysia pusilla (L.S.R. Bergh, 1871) - (PLAKOBRANCHIDAE)
- halimera, Rhinoclama halimera (W.H. Dall, 1886) - (CUSPIDARIIDAE)
- halimeris, Colus halimeris (W.H. Dall, 1919) - (BUCCINIDAE)
- halimunensis, Diplommatina halimunensis Nurinsiyah & Hausdorf, 2017 - (DIPLOMMATINIDAE)
- haliostrephis, Stenodrillia haliostrephis W.H. Dall, 1889 - syn of: Compsodrillia haliostrephis (W.H. Dall, 1889) - (DRILLIIDAE)
- haliostrephis, Compsodrillia haliostrephis (W.H. Dall, 1889) - (PSEUDOMELATOMIDAE)
- halioticola, Milneria halioticola W.H. Dall, 1871 - syn of: Milneria minima (W.H. Dall, 1871) - (CARDITIDAE)
- halioticola, Trapezium halioticola W.H. Dall, 1871 - syn of: Milneria minima (W.H. Dall, 1871) - (TRAPEZIDAE)
- halioticola, Trapezium halioticola W.H. Dall, 1871 - syn of: Milneria minima (W.H. Dall, 1871) - (TRAPEZIDAE)
- HALIOTIDAE Rafinesque, 1815 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-HALIOTOIDEA [Superfamily])
- haliotidaea, Ostrea haliotidaea J.B.P.A. Lamarck, 1819 - syn of: Dendostrea folium (C. Linnaeus, 1758) - (OSTREIDAE)
- haliotidea, Bulla haliotidea S.A. Renier in C.A.D. de Gerville, 1825 - syn of: Simnia patula (T. Pennant, 1777) - (BULLIDAE)
- Haliotidea, syn of: Genus Sigapatella R.P. Lesson, 1830 (CALYPTRAEIDAE)
- haliotidea, Helix haliotidea Auct. non C. Linnaeus, 1758 - (HELICIDAE)
- haliotidea, Ovula haliotidea H.M.D. de Blainville in G.L.C.F.D. Cuvier, 1825 - syn of: Pseudosimnia adriatica (G.B. I Sowerby, 1828) - (OVULIDAE)
- haliotidea, Testacella haliotidea J.P.R. Draparnaud, 1801 - (TESTACELLIDAE)
- haliotidea, Lamellaria haliotidea C. Linnaeus, 1758 - syn of: Lamellaria perspicua (C. Linnaeus, 1758) - (VELUTINIDAE)
- haliotidea, Velutina haliotidea O. Fabricius, 1780 - syn of: Velutina velutina (O.F. Müller, 1776) - (VELUTINIDAE)
- haliotides, Zonitarion haliotides S. Putzeys, 1899 - (UROCYCLIDAE)
- haliotideus, Sigaretus haliotideus J.P.S. Grateloup, 1847 † - syn of: Sinum patulum (J.P.S. Grateloup, 1847 †) - (NATICIDAE) (FOSSIL)
- haliotideus patula, Sigaretus haliotideus patula J.P.S. Grateloup, 1847 † - syn of: Sinum patulum (J.P.S. Grateloup, 1847 †) - (NATICIDAE) (FOSSIL)
- haliotiformis, Stomatella haliotiformis J.T. Kuroda & T. Habe, 1961 - (TROCHIDAE)
- haliotimorpha, Sinezona haliotimorpha P. Lozouet, 1998 † - (SCISSURELLIDAE) (FOSSIL)
- Haliotinella, Genus Haliotinella S.M. Souverbie, 1875 (NATICIDAE)
- Haliotiomorpha, Genus Haliotiomorpha † (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- haliotiphila, Barleeia haliotiphila P.P. Carpenter, 1864 - (BARLEEIIDAE)
- haliotis, Capulus haliotis de Sowerby & Murchison, 1839 † - (CAPULIDAE) (FOSSIL)
- Haliotis, Genus Haliotis C. Linnaeus, 1758 (HALIOTIDAE)
- haliotis, Platyceras haliotis (de Sowerby & Murchison, 1839 †) - (PLATYCERATIDAE) (FOSSIL)
- haliotoidea, Maoricrypta haliotoidea J. Marwick, 1926 † - (CALYPTRAEIDAE) (FOSSIL)
- haliotoidea, Exogyra haliotoidea (Sowerby, 1813 †) - (GRYPHAEIDAE) (FOSSIL)
- haliotoidea, Chaenocardiola haliotoidea (F.A. Roemer, 1850 †) - (LUNULICARDIIDAE) (FOSSIL)
- haliotoidea, Sinum haliotoidea (C. Linnaeus, 1758) - (NATICIDAE)
- haliotoidea, Stomatella haliotoidea J.B.P.A. Lamarck, 1816 - (TROCHIDAE)
- haliotoides, Platyceras haliotoides F.B. Meek & A.H. Worthen, 1866 † - (PLATYCERATIDAE) (FOSSIL)
- haliotoides, Testacella haliotoides J.B.P.A. Lamarck, 1801 - syn of: Testacella maugei A.E.J. Férussac, 1819 - (TESTACELLIDAE)
- haliotoides, Velutina haliotoides C. Linnaeus, 1758 - syn of: Velutina velutina (O.F. Müller, 1776) - (VELUTINIDAE)
- haliotoideum, Sinum haliotoideum C. Linnaeus, 1758 - syn of: Sinum haliotoidea (C. Linnaeus, 1758) - (NATICIDAE)
- Haliotus, syn of: Genus Haliotis C. Linnaeus, 1758 (HALIOTIDAE)
- Haliphoebus, syn of: Genus Stellaria A. Schmidt in H.P.C. Møller, 1832 (XENOPHORIDAE)
- Haliphron, Genus Haliphron J.J.S. Steenstrup, 1859 (ALLOPOSIDAE)
- haliplex, Toxiclionella haliplex (P. Bartsch, 1915) - (CLAVATULIDAE)
- haliplexa, Compsodrillia haliplexa (W.H. Dall, 1919) - (PSEUDOMELATOMIDAE)
- Haliris, Genus Haliris W.H. Dall, 1886 (VERTICORDIIDAE)
- halis, Carinodrillia halis W.H. Dall, 1919 - (PSEUDOMELATOMIDAE)
- halis, Compsodrillia halis H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Compsodrillia albonodosa (P.P. Carpenter, 1857) - (PSEUDOMELATOMIDAE)
- halistrepta, Clionella halistrepta (P. Bartsch, 1915) - (CLAVATULIDAE)
- Halistrepta, Genus Halistrepta W.H. Dall, 1904 (PERIPLOMATIDAE)
- halistrepta, Crassiclava halistrepta P. Bartsch, 1915 - syn of: Clionella halistrepta (P. Bartsch, 1915) - (PSEUDOMELATOMIDAE)
- halistrepta, Turbonilla halistrepta W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- halistrepta albocincta, Clionella halistrepta albocincta W.H. Turton, 1932 - (CLAVATULIDAE)
- halistreptus, Fusinus halistreptus (W.H. Dall, 1889) - (FASCIOLARIIDAE)
- halistreptus, Leptochiton halistreptus W.H. Dall, 1902 - syn of: Leptochiton alveolus (S.L. Lovén, 1846) - (LEPTOCHITONIDAE)
- halistreptus abbreviatus, Lepidopleurus halistreptus abbreviatus W.H. Dall, 1908 - syn of: Leptochiton alveolus (S.L. Lovén, 1846) - (LEPTOCHITONIDAE)
- Halistylus, Genus Halistylus W.H. Dall, 1890 (TROCHIDAE)
- halitoides, Velutina halitoides O. Fabricius, 1780 - syn of: Velutina velutina (O.F. Müller, 1776) - (VELUTINIDAE)
- halitropa, Lora halitropa W.H. Dall, 1919 - syn of: Oenopota pyramidalis (H. Strøm, 1788) - (TURRIDAE)
- halitropis, Mangelia halitropis W.H. Dall, 1889 - (MANGELIIDAE)
- halitropus, Conus halitropus P. Bartsch & H.A. Rehder, 1943 - syn of: Protostrioconus obscurus (G.B. II Sowerby, 1833) - (CONIDAE)
- halius, Cadulus halius J. Henderson, 1920 - syn of: Cadulus podagrinus J. Henderson, 1920 - (GADILIDAE)
- Halkieria, Genus Halkieria Poulsen, 1967 † (HALKIERIIDAE) (FOSSIL)
- HALKIERIIDAE Poulsen, 1967 † - Family (DIPLACOPHORA-SACHITIDA [Order]-HALKIERIOIDEA [Superfamily]) (FOSSIL)
- Halla, syn of: Genus Hallaxa C.N.E. Eliot, 1909 (ACTINOCYCLIDAE)
- hallae, Skenella hallae W.F. Ponder & H.W. Worsfold, 1994 - (CINGULOPSIDAE)
- hallae, Beddomeia hallae W.F. Ponder & K.B. Clark, 1993 - (HYDROBIIDAE)
- hallae, Fortipecten hallae (W.H. Dall, 1921 †) - (PECTINIDAE) (FOSSIL)
- hallae, Semipallium hallae B.C. Cotton, 1960 - (PECTINIDAE)
- hallae, Pisidium hallae J.G.J. Kuiper, 1983 - (SPHAERIIDAE)
- hallagani, Paraseila hallagani (C. Hedley, 1905) - (CERITHIOPSIDAE)
- hallami, Persia hallami Yin & McRoberts, 2006 † - (PROSPONDYLIDAE) (FOSSIL)
- Hallaxa, Genus Hallaxa C.N.E. Eliot, 1909 (ACTINOCYCLIDAE)
- hallei, Australiceras hallei Aguirre-Urreta, 1985 † - (ANCYLOCERATIDAE) (FOSSIL)
- hallei, Prosolarium hallei (J.W. Hall, 1867 †) - (LUCIELLIDAE) (FOSSIL)
- hallei, Crenilunula hallei J.W. Hall, 1867 † - syn of: Prosolarium hallei (J.W. Hall, 1867 †) - (LUCIELLIDAE) (FOSSIL)
- hallenbeckii, Unio hallenbeckii I. Lea, 1859 - syn of: Elliptio fumata (I. Lea, 1857) - (UNIONIDAE)
- halleri, Permonautilus halleri Tichy, 1975 † - (PERMONAUTILIDAE) (FOSSIL)
- halleriana, Pupilla halleriana J.G.F. de Charpentier, 1855 - syn of: Pupilla alpicola J.G.F. de Charpentier, 1837 - (PUPILLIDAE)
- halletensis, Austropyrgus halletensis A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- halleyae, Varohadra halleyae T. Iredale, 1937 - syn of: Sphaerospira arthuriana (J.C. Cox, 1873) - (CAMAENIDAE)
- hallgassi, Alvania hallgassi B. Amati & M. Oliverio, 1985 - (RISSOIDAE)
- halli, Bucania halli Ulrich & Scofield, 1897 † - (BUCANIIDAE) (FOSSIL)
- halli, Semicassis halli B.C. Cotton, 1954 - syn of: Semicassis pyrum (J.B.P.A. Lamarck, 1822) - (CASSIDAE)
- halli, Conus halli A.J. Da Motta, 1983 - syn of: Rhizoconus hyaena (C.H. Hwass, 1792) - (CONIDAE)
- halli, Cyrtodonta halli (Nettleroth †) - (CYRTODONTIDAE) (FOSSIL)
- halli, Cystiscus halli (G.B. Pritchard & J.H. Gatliff, 1899) - (CYSTISCIDAE)
- halli, Pseudodanubites halli (Mojsisovics, 1896 †) - (DANUBITIDAE) (FOSSIL)
- halli, Gomphoceras halli Barrande, 1865 † - syn of: Ovocerina halli (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- halli, Discosorus halli Foerste, 1924 † - (DISCOSORIDAE) (FOSSIL)
- halli, Panopea halli (G.B. Pritchard, 1903 †) - (HIATELLIDAE) (FOSSIL)
- halli, Glycimeris halli G.B. Pritchard, 1903 † - syn of: Panopea halli (G.B. Pritchard, 1903 †) - (HIATELLIDAE) (FOSSIL)
- halli, Cypricardites halli Nettelroth † - (KALENTERIDAE) (FOSSIL)
- halli, Ovocerina halli (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- halli, Marginella halli G.B. Pritchard & J.H. Gatliff, 1899 - syn of: Cystiscus halli (G.B. Pritchard & J.H. Gatliff, 1899) - (MARGINELLIDAE)
- halli, Gyroceras halli Wedekind, 1908 † - syn of: Gonatocyrtoceras guerichi (E.S. Sobolev, 1912 †) - (ONCOCERIDA (unassigned)) (FOSSIL)
- halli, Paraceltites halli C. Gemmellaro, 1888 † - syn of: Paraceltites hoeferi C. Gemmellaro, 1887 † - (PARACELTITIDAE) (FOSSIL)
- halli, Morea marylandica halli N.F. Sohl, 1964 † - (PHOLIDOTOMIDAE) (FOSSIL)
- halli, Paralaoma halli (C.M.D.E. Legrand, 1871) - (PUNCTIDAE)
- halli, Rhaeboceras halli (F.B. Meek & Hayden, 1856 †) - (SCAPHITIDAE) (FOSSIL)
- halli, Tissotia halli Knechtel, 1947 † - (TISSOTIIDAE) (FOSSIL)
- halli, Chione halli G.B. Pritchard, 1895 † - (VENERIDAE) (FOSSIL)
- halli intermedius, Panopea halli intermedius G.B. Pritchard, 1903 † - (HIATELLIDAE) (FOSSIL)
- halli paucicostatus, Panopea halli paucicostatus G.B. Pritchard, 1903 † - (HIATELLIDAE) (FOSSIL)
- Hallia, syn of: Genus Eledone W.E. Leach, 1817 (OCTOPODIDAE)
- halliana, Pleurotomaria halliana Shumard, 1859 † - (PLEUROTOMARIIDAE) (FOSSIL)
- hallianum, Zitteloceras hallianum A.V.M.D. D'Orbigny † - (ONCOCERATIDAE) (FOSSIL)
- hallianum, Cyrtoceras hallianum A.V.M.D. D'Orbigny † - (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- hallianum, Cyclonema hallianum Salter, 1859 † - (PLATYCERATIDAE) (FOSSIL)
- hallidayi, Eutrephoceras hallidayi Waring, 1914 † - (NAUTILIDAE) (FOSSIL)
- Halliella, syn of: Genus Haliella T.A. de M. Monterosato, 1878 (EULIMIDAE)
- Hallielloides, syn of: Genus Halielloides P. Bouchet & A. Warén, 1986 (EULIMIDAE)
- halligani, Paraseila halligani C. Hedley, 1905 - syn of: Paraseila hallagani (C. Hedley, 1905) - (CERITHIOPSIDAE)
- halligani, Sansonia halligani (C. Hedley, 1899) - (PICKWORTHIIDAE)
- hallii, Latisipho hallii (W.H. Dall, 1873) - (BUCCINIDAE)
- hallii, Naticopsis hallii Whidborne, 1892 † - (DELPHINULOPSIDAE) (FOSSIL)
- hallii, Katoptychia hallii (Whidborne, 1896 †) - (LOXONEMATIDAE) (FOSSIL)
- hallii, Pterinopecten hallii Whidborne † - (PTERINOPECTINIDAE) (FOSSIL)
- hallii, Turritella hallii R. Tate, 1900 † - (TURRITELLIDAE) (FOSSIL)
- Halloceras, Genus Halloceras Hyatt, 1884 † (RUTOCERATIDAE) (FOSSIL)
- Halloysia, Genus Halloysia Briart & Cornet, 1877 † (NEWTONIELLIDAE) (FOSSIL)
- Hallstadtia, Genus Hallstadtia Cossmann, 1915 † (LITTORINIDAE) (FOSSIL)
- hallucigenia, Okenia hallucigenia W.B. Rudman, 2004 - (GONIODORIDIDAE)
- hallucinata, Semitrivia hallucinata (W. Liltved, 1984) - (TRIVIIDAE)
- halmaherica, Naninia halmaherica (W. Kobelt, 1897) - (ARIOPHANTIDAE)
- halmahericus, Guraleus halmahericus (M.M. Schepman, 1913) - (MANGELIIDAE)
- halmaja, Lyncina halmaja J.C. Melvill, 1888 - syn of: Lyncina carneola (C. Linnaeus, 1758) - (CYPRAEIDAE)
- Halmatorhagada, syn of: Genus Glyptorhagada H.A. Pilsbry, 1890 (CAMAENIDAE)
- halmerjus, Oxyprora halmerjus (Muromtseva & Guskov, 1984 †) - (BRANSONIIDAE) (FOSSIL)
- halmyris, Margarella halmyris A. de Rochebrune & J.F. Mabille, 1891 - syn of: Margarella violacea (P.P. King & W.J. Broderip, 1832) - (CALLIOSTOMATIDAE)
- halmyris, Napaeus halmyris J.F. Mabille, 1883 - syn of: Napaeus baeticatus (Webb & Berthelot, 1833) - (ENIDAE)
- Haloa, Genus Haloa H.A. Pilsbry, 1921 (HAMINOEIDAE)
- Halobia, Genus Halobia Bronn, 1830 † (HALOBIIDAE) (FOSSIL)
- HALOBIIDAE Kittl, 1912 † - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-OSTREIDA [Order]-POSIDONIOIDEA [Superfamily]) (FOSSIL)
- Haloceras, Genus Haloceras W.H. Dall, 1889 (HALOCERATIDAE)
- HALOCERATIDAE Warén & Bouchet, 1991 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-VANIKOROIDEA [Superfamily])
- Halocochlea, syn of: Genus Calocochlia J.D.W. Hartmann, 1840 (BRADYBAENIDAE)
- Haloconcha, syn of: Genus Lacuna W.H. Turton, 1827 (LITTORINIDAE)
- halocydne, Kylix halocydne (W.H. Dall, 1919) - (DRILLIIDAE)
- Halodakra, syn of: Genus Neolepton H.E. Finley, 1926 (NEOLEPTONIDAE)
- Haloginella, syn of: Genus Serrata F.P. Jousseaume, 1875 (MARGINELLIDAE)
- HALOLIMNOHELICIDAE H. Nordsieck, 1986 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-HYGROMIOIDEA [Superfamily])
- Halolimnohelix, Genus Halolimnohelix J. Germain, 1913 (HALOLIMNOHELICIDAE)
- Halomenia, Genus Halomenia H. Heath, 1911 (PRUVOTINIDAE)
- Halonanus, Genus Halonanus Stewart, 1930 † (NOETIIDAE) (FOSSIL)
- Halongella, Genus Halongella B. Páll-Gergely, 2014 (PLECTOPYLIDAE)
- Halonympha, Genus Halonympha W.H. Dall & E.A. Smith, 1886 (HALONYMPHIDAE)
- HALONYMPHIDAE Scarlato & Starobogatov, 1983 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-ANOMALODESMATA [Order]-CUSPIDARIOIDEA [Superfamily])
- halophilae, Ercolania halophilae K.R. Jensen, Kohnert, Bendell & M. Schrödl, 2014 - (LIMAPONTIIDAE)
- halophilus, Xanthomelon pachystylum halophilus (L. Pfeiffer, 1845) - (CAMAENIDAE)
- halophilus, Leptopomoides halophilus (W.H. Benson, 1851) - (CYCLOPHORIDAE)
- Halopsephus, Subgenus Turbo (Halopsephus) H.A. Rehder, 1943 (TURBINIDAE)
- Halopsyche, syn of: Genus Hydromyles J. von Gistel, 1848 (HYDROMYLIDAE)
- Halopyrgus, Genus Halopyrgus M. Haase, 2008 (TATEIDAE)
- halorhaphe, Melanella halorhaphe (P. Dautzenberg & H. Fischer, 1896) - (EULIMIDAE)
- halorica, Halobia halorica Mojsisovics, 1874 † - (HALOBIIDAE) (FOSSIL)
- haloricum, Grypoceras haloricum (Mojsisovics, 1873 †) - (TAINOCERATIDAE) (FOSSIL)
- haloricus, Nautilus haloricus Mojsisovics, 1873 † - syn of: Grypoceras haloricum (Mojsisovics, 1873 †) - (NAUTILIDAE) (FOSSIL)
- Halorites, Genus Halorites Mojsisovics , 1879 † (HALORITIDAE) (FOSSIL)
- HALORITIDAE Mojsisovics, 1893 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-TROPITOIDEA [Superfamily]) (FOSSIL)
- haloritiformis, Goniojuvavites haloritiformis (Diener, 1921 †) - (JUVAVITIDAE) (FOSSIL)
- Halotapada, Genus Halotapada T. Iredale, 1936 (PLANAXIDAE)
- Halotapoda, syn of: Genus Halotapada T. Iredale, 1936 (PLANAXIDAE)
- Halotudora, Genus Halotudora Watters, 2006 (POMATIIDAE)
- halourga, Thorunna halourga R.F. Johnson & T.M. Gosliner, 2001 - (CHROMODORIDIDAE)
- Halozonites, Subgenus Orpiella (Halozonites) H.A. Pilsbry & C.M. Cooke, 1941 (HELICARIONIDAE)
- halscotti, Volutifusus halscotti E.J. Petuch, 1994 † - (VOLUTIDAE) (FOSSIL)
- haltomi, Cimomia haltomi T.H. Aldrich, 1931 † - (HERCOGLOSSIDAE) (FOSSIL)
- halyi, Pyramidula halyi (F.P. Jousseaume, 1894) - (PYRAMIDULIDAE)
- Halystes, Genus Halystes B.A. Marshall, 1988 (SEGUENZIIDAE)
- Halystina, Genus Halystina B.A. Marshall, 1991 (SEGUENZIIDAE)
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