- huna, Crithe huna (E.A. Kay, 1979) - (CYSTISCIDAE)
- hunabi, Prunum hunabi J. Espinosa & J.A. Ortea, 2015 - (MARGINELLIDAE)
- hunana, Euphaedusa tau hunana (P.V. Gredler, 1881) - (CLAUSILIIDAE)
- hunana, Platyrhaphe hunana (P.V. Gredler, 1881) - (CYCLOPHORIDAE)
- hunancola, Plectotropis gerlachi hunancola P.V. Gredler, 1887 - (BRADYBAENIDAE)
- hunancola, Margaritiphaedusa protrita hunancola H. Nordsieck, 2001 - (CLAUSILIIDAE)
- Hunanella, Genus Hunanella Xiong & Wang, 1980 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- hunanense, Anderssonoceras hunanense F.S. Xu, 1977 † - (ANDERSSONOCERATIDAE) (FOSSIL)
- hunanense, Prototoceras hunanense F.S. Xu, 1977 † - (ARAXOCERATIDAE) (FOSSIL)
- hunanense, Ephippioceras hunanense J.K. Zhao, 1954 † - syn of: Liroceras hunanense (J.K. Zhao, 1954 †) - (EPHIPPOCERATIDAE) (FOSSIL)
- hunanense, Sphaeromanticoceras hunanense F.S. Xu, 1977 † - (GEPHUROCERATIDAE) (FOSSIL)
- hunanense, Liroceras hunanense (J.K. Zhao, 1954 †) - (LIROCERATIDAE) (FOSSIL)
- hunanense, Pseudogastrioceras hunanense F.S. Xu, 1977 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- hunanense, Altudoceras hunanense F.S. Xu, 1977 † - syn of: Hengshanites hunanensis (F.S. Xu, 1977 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- hunanense, Linwuceras hunanense F.S. Xu, 1977 † - (PSEUDOHALORITIDAE) (FOSSIL)
- hunanense, Yinoceras hunanense (W.C. Zhou, 1979 †) - (PSEUDOHALORITIDAE) (FOSSIL)
- hunanense, Lanceoloboceras hunanense W.C. Zhou, 1979 † - syn of: Yinoceras hunanense (W.C. Zhou, 1979 †) - (PSEUDOHALORITIDAE) (FOSSIL)
- hunanense, Tainoceras hunanense J.K. Zhao, 1954 † - (TAINOCERATIDAE) (FOSSIL)
- hunanense, Metacoceras hunanense F.S. Xu, 1977 † - (TAINOCERATIDAE) (FOSSIL)
- hunanensis, Crenipecten hunanensis Zhang, 1977 † - (AVICULOPECTINIDAE) (FOSSIL)
- hunanensis, Euphaedusa hunanensis (P.V. Gredler, 1881) - (CLAUSILIIDAE)
- hunanensis, Mirus minutus hunanensis (O.F. von Möllendorff, 1884) - (ENIDAE)
- hunanensis, Euchondria hunanensis Zhang, 1981 † - (EUCHONDRIIDAE) (FOSSIL)
- hunanensis, Etheripecten hunanensis Zhang, 1981 † - syn of: Etheripecten sichuanensis C. Chen & al., 1974 † - (HETEROPECTINIDAE) (FOSSIL)
- hunanensis, Stutchburia hunanensis Y. Fang, 1987 † - (KALENTERIDAE) (FOSSIL)
- hunanensis, Limatulina hunanensis Y. Fang, 1987 † - (LIMATULINIDAE) (FOSSIL)
- hunanensis, Palaeolima hunanensis Zhang, 1977 † - (LIMIDAE) (FOSSIL)
- hunanensis, Promyalina hunanensis Zhang, 1977 † - (MYALINIDAE) (FOSSIL)
- hunanensis, Pseudosaxicava hunanensis Stiller 2006 † - (MYIDA (UNASSIGNED)) (FOSSIL)
- hunanensis, Chengxianites hunanensis F.S. Xu, 1977 † - (NEOSTACHEOCERATIDAE) (FOSSIL)
- hunanensis, Phestia hunanensis Ku & C. Chen, 1963 † - (NUCULANIDAE) (FOSSIL)
- hunanensis, Paraceltites hunanensis F.S. Xu, 1977 † - (PARACELTITIDAE) (FOSSIL)
- hunanensis, Hengshanites hunanensis (F.S. Xu, 1977 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- hunanensis, Pteronitella hunanensis Zhang, 1977 † - (PTERINEIDAE) (FOSSIL)
- hunanensis, Stenothyra hunanensis O.F. von Möllendorff, 1888 - (STENOTHYRIDAE)
- hunanensis, Tapashanites hunanensis F.S. Xu, 1977 † - (TAPASHANITIDAE) (FOSSIL)
- hunanensis, Liotrigonia hunanensis Liu 1976 † - (TRIGONIIDA (UNASSIGNED)) (FOSSIL)
- hunanensis, Shimenites hunanensis F.S. Xu, 1977 † - (VIDRIOCERATIDAE) (FOSSIL)
- hunanica, Claraia hunanica Hsu, 1938 † - (PTERINOPECTINIDAE) (FOSSIL)
- hunanicus, Aulacaganides hunanicus W.C. Zhou, 1985 † - (PSEUDOHALORITIDAE) (FOSSIL)
- Hunanites, syn of: Genus Pseudohalorites Yabe , 1928 (PSEUDOHALORITIDAE) (FOSSIL)
- Hunanoceras, Genus Hunanoceras Zhao, 1954 (GZHELOCERATIDAE) (FOSSIL)
- Hunanonectes, Genus Hunanonectes Fang , 1978 (PECTINIDAE) (FOSSIL)
- Hunanopecten, Genus Hunanopecten Zhang, 1977 (HUNANOPECTINIDAE) (FOSSIL)
- HUNANOPECTINIDAE Yin Hong-fu, 1985 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-HETEROPECTINOIDEA [Superfamily]) (FOSSIL)
- hunbardi, Urocoptis hunbardi C. de la Torre - (UROCOPTIDAE)
- Huncalotis, Genus Huncalotis Damborenea & Leanza, 2016 (PECTINIDA (UNASSIGNED)) (FOSSIL)
- hunganhi, Sinanodonta hunganhi Thach, 2016 - (UNIONIDAE)
- hungarica, Bythinella hungarica J. Hazay, 1881 - (BYTHINELLIDAE)
- hungarica, Granaria frumentum hungarica (M. von Kimakowicz, 1890) - (CHONDRINIDAE)
- hungarica, Duvalia hungarica Fozy & al., 2010 † - (DUVALIIDAE) (FOSSIL)
- hungarica, Auricula hungarica L. von G. Tausch, 1886 † - syn of: Leopoldium balatonicum (L. von G. Tausch, 1886 †) - (ELLOBIIDAE) (FOSSIL)
- hungarica, Triptychia hungarica (Halaváts, 1923 †) - (FILHOLIIDAE) (FOSSIL)
- hungarica, Pyrgula hungarica Lörenthey, 1894 † - (HYDROBIIDAE) (FOSSIL)
- hungarica, Pseudamnicola hungarica (G.R. von Frauenfeld, 1862 †) - (HYDROBIIDAE) (FOSSIL)
- hungarica, Helicopsis striata hungarica (L. Soós & H. Wagner, 1935) - (HYGROMIIDAE)
- hungarica, Melanopsis hungarica T. Kormos, 1904 - syn of: Microcolpia parreyssii (R.A. Philippi, 1847) - (MELANOPSIDAE)
- hungarica, Lartetia hungarica L. Soós, 1927 - syn of: Bythiospeum hungaricum (L. Soós, 1927) - (MOITESSIERIIDAE)
- hungarica, Bullia hungarica Gábor, 1936 † - (NASSARIIDAE) (FOSSIL)
- hungarica, Necroteuthis hungarica Kretzoi, 1942 † - (NECROTEUTHIDIDAE) (FOSSIL)
- hungarica, Parangularia hungarica (Kutassy, 1933 †) - (PURPURINIDAE) (FOSSIL)
- hungarica, Sulcogladius hungarica (J. Noszky, 1940 † †) - (ROSTELLARIIDAE) (FOSSIL)
- hungarica, Succinea hungarica J. Hazay in W. Kobelt, 1880 - syn of: Oxyloma dunkeri (L. Pfeiffer, 1865) - (SUCCINEIDAE)
- hungarica, Testacella hungarica L. Soós, 1908 - syn of: Testacella scutulum G.B. I Sowerby, 1821 - (TESTACELLIDAE)
- hungarica, Zebina hungarica Szöts, 1953 † - (ZEBINIDAE) (FOSSIL)
- hungaricum, Paramicroderoceras hungaricum (Geczy, 1976 †) - (EODEROCERATIDAE) (FOSSIL)
- hungaricum, Fuciniceras hungaricum Geczy, 1976 † - (HILDOCERATIDAE) (FOSSIL)
- hungaricum, Bythiospeum hungaricum (L. Soós, 1927) - (HYDROBIIDAE)
- hungaricum, Megalodon hungaricum Kutassy, 1933 † - (MEGALODONTIDAE) (FOSSIL)
- hungaricum, Orthoceras hungaricum Blake † - (ORTHOCERATIDAE) (FOSSIL)
- hungaricum, Calyculina hungaricum J. Hazay, 1881 - syn of: Musculium lacustre (O.F. Müller, 1774) - (SPHAERIIDAE)
- hungaricus, Capulus hungaricus C. Linnaeus, 1767 - syn of: Capulus ungaricus (C. Linnaeus, 1758) - (CAPULIDAE)
- hungaricus, Conus hungaricus R. Hoernes & Aulinger, 1879 † - (CONIDAE) (FOSSIL)
- hungaricus, Ancylus hungaricus Š. Brusina, 1902 † - (PLANORBIDAE) (FOSSIL)
- hungaricus, Tympanotonos hungaricus C.A. von Zittel, 1862 † - (POTAMIDIDAE) (FOSSIL)
- hungaricus, Reineckeites hungaricus Till, 1910 † - (REINECKEIIDAE) (FOSSIL)
- hungaricus, Viviparus hungaricus J. Hazay, 1881 - syn of: Viviparus acerosus J.R. Bourguignat, 1862 - (VIVIPARIDAE)
- hungaricus thorsoni, Capulus hungaricus thorsoni F. Nordsieck, 1969 - syn of: Capulus ungaricus (C. Linnaeus, 1758) - (CAPULIDAE)
- Hungariella, Genus Hungariella Kutassy, 1933 (DELPHINULOPSIDAE) (FOSSIL)
- Hungarites, Genus Hungarites Smith, 1914 (CERATITIDAE) (FOSSIL)
- HUNGARITIDAE Waagen, 1895 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-CERATITOIDEA [Superfamily]) (FOSSIL)
- hungerfordi, Calliostoma hungerfordi G.B. III Sowerby, 1888 - syn of: Tristichotrochus consors (C.E. Lischke, 1872) - (CALLIOSTOMATIDAE)
- hungerfordi, Laevifulvia hungerfordi (G.B. III Sowerby, 1901) - (CARDIIDAE)
- hungerfordi, Rhiostoma hungerfordi (H.H. Godwin-Austen, 1889) - (CYCLOPHORIDAE)
- hungerfordi, Notadusta hungerfordi (G.B. III Sowerby, 1888) - (CYPRAEIDAE)
- hungerfordi, Compressidentalium hungerfordi (H.A. Pilsbry & B. Sharp, 1897) - (DENTALIIDAE)
- hungerfordi, Diffalaba hungerfordi (G.B. III Sowerby, 1894) - (LITIOPIDAE)
- hungerfordi, Jactellina hungerfordi (G.B. Sowerby, 1894) - (TELLINIDAE)
- hungerfordi, Coriophora hungerfordi (G.B. III Sowerby, 1914) - (TRIPHORIDAE)
- hungerfordi, Triphora hungerfordi G.B. III Sowerby, 1914 - syn of: Coriophora fusca (R.W. Dunker, 1860) - (TRIPHORIDAE)
- hungerfordi, Aphrodora hungerfordi G.B. Sowerby III, 1888 - syn of: Callocardia guttata A. Adams, 1864 - (VENERIDAE)
- hungerfordi bealsi, Notadusta hungerfordi bealsi (D.K. Mock, 1996) - (CYPRAEIDAE)
- hungerfordi coucoumi, Notadusta hungerfordi coucoumi (F.A. Schilder, 1964) - (CYPRAEIDAE)
- hungerfordi coucoumi, Erronea hungerfordi coucoumi F.A. Schilder, 1964 - syn of: Notadusta hungerfordi coucoumi (F.A. Schilder, 1964) - (CYPRAEIDAE)
- hungerfordi lovetha, Notadusta hungerfordi lovetha (G.T. Poppe, S.P. Tagaro & J.A. Buijse, 2005) - (CYPRAEIDAE)
- hungerfordi stigmaticum, Laevifulvia hungerfordi stigmaticum H.A. Pilsbry, 1904 - syn of: Fulvia undatopicta (H.A. Pilsbry, 1904) - (CARDIIDAE)
- hungerfordi undatopictum, Laevifulvia hungerfordi undatopictum H.A. Pilsbry, 1904 - syn of: Fulvia undatopicta (H.A. Pilsbry, 1904) - (CARDIIDAE)
- hungerfordi undatopictum, Fulvia hungerfordi undatopictum (H.A. Pilsbry, 1904) - syn of: Fulvia undatopicta (H.A. Pilsbry, 1904) - (CARDIIDAE)
- Hungerfordia, Genus Hungerfordia R.H. Beddome, 1889 (DIPLOMMATINIDAE)
- hungerfordiana, Reinia hungerfordiana (O.F. von Möllendorff, 1882) - (CLAUSILIIDAE)
- hungerfordiana, Diplommatina hungerfordiana G. Nevill, 1881 - (DIPLOMMATINIDAE)
- hungerfordiana, Gyliotrachela hungerfordiana (O.F. von Möllendorff, 1891) - (HYPSELOSTOMATIDAE)
- hungerfordiana, Phosinella hungerfordiana (H.C. Weinkauff, 1881) - (RISSOINIDAE)
- hungerfordiana, Rissoina hungerfordiana H.C. Weinkauff, 1881 - syn of: Phosinella hungerfordiana (H.C. Weinkauff, 1881) - (RISSOINIDAE)
- hungerfordiana, Stenothyra hungerfordiana G. Nevill, 1880 - (STENOTHYRIDAE)
- hungerfordiana okayamensis, Reinia hungerfordiana okayamensis J.T. Kuroda & M. Azuma, 1982 - (CLAUSILIIDAE)
- hungerfordiana tokushimensis, Reinia hungerfordiana tokushimensis J.T. Kuroda & J.M. Abe, 1980 - (CLAUSILIIDAE)
- hungerfordianum, Aphanoconia hungerfordianum (P.B. Schmacker & O. Böttger, 1891) - (HELICINIDAE)
- hungerfordianum formosanum, Aphanoconia hungerfordianum formosanum (P.B. Schmacker & O. Böttger, 1891) - (HELICINIDAE)
- hungerfordianum hainanensis, Aphanoconia hungerfordianum hainanensis (O.F. von Möllendorff, 1882) - (HELICINIDAE)
- hungerfordianus, Chloritis hungerfordianus O.F. von Möllendorff, 1884 - (CAMAENIDAE)
- hungerfordianus, Chamalycaeus hungerfordianus (G. Nevill, 1881) - (CYCLOPHORIDAE)
- hunggermiaoensis, Daubichites hunggermiaoensis Chu, 1976 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- hunica, Trepospira hunica Diener, 1903 † - (EOTOMARIIDAE) (FOSSIL)
- hunickeni, Leionucula hunickeni Zinsmeister & Macellari, 1988 † - (NUCULIDAE) (FOSSIL)
- hunicum, Domatoceras hunicum Diener, 1903 † - (GRYPOCERATIDAE) (FOSSIL)
- hunicus, Nautilus hunicus Diener, 1903 † - syn of: Domatoceras hunicum Diener, 1903 † - (NAUTILIDAE) (FOSSIL)
- hunkinsi, Colus hunkinsi A.H. Clarke, 1960 - syn of: Mohnia danielsseni (H.B.S. Friele, 1879) - (BUCCINIDAE)
- Hunkydora, Genus Hunkydora C.A. Fleming, 1948 (MYOCHAMIDAE)
- hunsrueckensis, Boletzkya hunsrueckensis K. Bandel, Reitner & W. Stürmer, 1983 † - (BOLETZKYIDAE) (FOSSIL)
- hunsrueckianus, Ivoites hunsrueckianus (Erben, 1960 †) - (MIMOSPHINCTIDAE) (FOSSIL)
- hunstantonensis, Tonohamites hunstantonensis R. Casey 1961 † - (ANCYLOCERATIDAE) (FOSSIL)
- hunstantonensis, Cymatoceras hunstantonensis (Foord & Crick, 1890 †) - (CYMATOCERATIDAE) (FOSSIL)
- hunstantonensis, Nautilus hunstantonensis Foord & Crick, 1890 † - syn of: Cymatoceras hunstantonensis (Foord & Crick, 1890 †) - (NAUTILIDAE) (FOSSIL)
- hunsteini, Naninia hunsteini (E.A. Smith, 1887) - (ARIOPHANTIDAE)
- Hunsteinia, Genus Hunsteinia T. Iredale, 1941 (HELICARIONIDAE)
- hunterae, Goniobranchus hunterae (W.B. Rudman, 1983) - (CHROMODORIDIDAE)
- hunterae, Plicatula hunterae Shaak & D. Nicol, 1974 † - (PLICATULIDAE) (FOSSIL)
- hunterae, Myurellina hunterae A.A. Olsson, 1967 † - (TEREBRIDAE) (FOSSIL)
- hunterensis, Ophileta hunterensis Cleland 1900 † - (OPHILETIDAE) (FOSSIL)
- hunterensis, Pleurotomaria hunterensis Cleland, 1900 † - syn of: Ophileta hunterensis Cleland 1900 † - (PLEUROTOMARIIDAE) (FOSSIL)
- hunteri, Prosipho hunteri C. Hedley, 1916 - syn of: Prosipho nodosus K.H.J. Thiele, 1912 - (BUCCINIDAE)
- hunteri, Crystallopsis hunteri (J.C. Cox, 1872) - (CAMAENIDAE)
- hunteri, Melania hunteri Hislop, 1859 † - (THIARIDAE) (FOSSIL)
- hunteri, Alaskadiscus hunteri Reed, 1921 † - (TROPIDODISCIDAE) (FOSSIL)
- hunteri, Unio hunteri Hislop, 1859 † - (UNIONIDAE) (FOSSIL)
- hunteri, Periglypta hunteri (Hislop, 1859 †) - (VENERIDAE) (FOSSIL)
- hunteri, Amoria hunteri (T. Iredale, 1931) - (VOLUTIDAE)
- hunteri, Cymbiolista hunteri T. Iredale, 1931 - syn of: Amoria hunteri (T. Iredale, 1931) - (VOLUTIDAE)
- hunteria, Cinctura hunteria (G. Perry, 1811) - (FASCIOLARIIDAE)
- hunteria keatonorum, Cinctura hunteria keatonorum E.J. Petuch, 2013 - (FASCIOLARIIDAE)
- hunteria tortugana, Cinctura hunteria tortugana (H.A. Rehder & R.T. Abbott, 1951) - (FASCIOLARIIDAE)
- hunti, Venilicardia hunti L.R. Cox, 1935 † - (ARCTICIDAE) (FOSSIL)
- hunti, Conus hunti E. Wils & R.G. Moolenbeek, 1979 - syn of: Sandericonus sanderi (E. Wils & R.G. Moolenbeek, 1979) - (CONIDAE)
- hunti, Glycymeris hunti J. Marwick, 1928 † - (GLYCYMERIDIDAE) (FOSSIL)
- hunti, Cimomia hunti F. Haas & R.C. Miller, 1952 † - (HERCOGLOSSIDAE) (FOSSIL)
- hunti, Procerithium hunti Cox, 1935 † - (PROCERITHIIDAE) (FOSSIL)
- huntingtonensis, Oriostoma huntingtonensis Kindle, 1903 † - syn of: Oriostoma globosum sculptum (Sowerby & Murchison, 1839 †) - (ORIOSTOMATIDAE) (FOSSIL)
- huntingtoni, Cerion huntingtoni W.J. Clench, 1952 - (CERIONIDAE)
- huntingtoni, Pupina huntingtoni W.J. Clench, 1949 - (PUPINIDAE)
- huntsvillense, Cancelloceras huntsvillense G.E. Manger & F.L. Saunders, 1980 † - (GASTRIOCERATIDAE) (FOSSIL)
- hunua, Chama hunua Eagle, 2000 † - (CHAMIDAE) (FOSSIL)
- hunyadii, Margaritiphaedusa hunyadii Grego & Szekeres, 2017 - (CLAUSILIIDAE)
- hunyadii, Montenegrina tomorosi hunyadii Z. Fehér & M. Szekeres, 2006 - (CLAUSILIIDAE)
- Hunyadiscus, Genus Hunyadiscus Pแll-Gergely, 2016 (PLECTOPYLIDAE)
- Hunyuenoceras, Genus Hunyuenoceras (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- huoliensis, Phragmolites huoliensis Endo, 1935 † - (BUCANIIDAE) (FOSSIL)
- huonensis, Myxas huonensis J.E. Tenison-Woods, 1876 - (LYMNAEIDAE)
- huonensis, Glyptophysa huonensis J.E. Tenison-Woods, 1876 - (PLANORBIDAE)
- huonensis, Tatea huonensis J.E. Tenison-Woods, 1879 - (TATEIDAE)
- Huonodon, Genus Huonodon T. Iredale, 1945 (CHAROPIDAE)
- huoyani, Angustopila huoyani A. Jochum, 2014 - (HYPSELOSTOMATIDAE)
- hupeana, Aegista hupeana P.V. Gredler, 1886 - (BRADYBAENIDAE)
- hupeana, Echinophoria hupeana C. Nielsen, 2003 † - (CASSIDAE) (FOSSIL)
- hupeana, Bathyptychia hupeana (P.V. Gredler, 1892) - (CLAUSILIIDAE)
- hupeana, Natica hupeana R.A. Philippi, 1887 † - syn of: Glossaulax pachystoma (L.H. Hupé, 1854 †) - (NATICIDAE) (FOSSIL)
- hupeanus, Urosalpinx hupeanus H.F.A. von Ihering, 1907 - syn of: Fuegotrophon pallidus (W.J. Broderip, 1833) - (MURICIDAE)
- hupeanus, Mycetopus hupeanus S. Clessin, 1876 - syn of: Mycetopoda siliquosa (J.B. von Spix, 1827) - (MYCETOPODIDAE)
- hupeanus, Mytilus hupeanus A. de Rochebrune & J.F. Mabille, 1889 - syn of: Mytilus edulis platensis D'Orbigny, 1846 - (MYTILIDAE)
- hupeanus, Chlamys hupeanus R.A. Philippi, 1887 † - (PECTINIDAE) (FOSSIL)
- hupecola, Bathyptychia hupecola (P.V. Gredler, 1888) - (CLAUSILIIDAE)
- hupei, Neolepton hupei T. Soot-Ryen, 1957 - (NEOLEPTONIDAE)
- hupei, Sulcogladius hupei (M. Rouault, 1850 † †) - (ROSTELLARIIDAE) (FOSSIL)
- hupei, Terebra hupei E.L. Lorois, 1857 - syn of: Terebra variegata J.E. Gray, 1834 - (TEREBRIDAE)
- hupei, Incatella hupei C. Nielsen in DeVries, 2007 † - (TURRITELLIDAE) (FOSSIL)
- hupensis, Oncomelania hupensis P.V. Gredler, 1881 - (POMATIOPSIDAE)
- hupensis chiui, Oncomelania hupensis chiui T. Habe & K. Miyazaki, 1962 - (POMATIOPSIDAE)
- hupensis formonsana, Oncomelania hupensis formonsana H.A. Pilsbry & Y. Hirase, 1905 - syn of: Oncomelania hupensis formosana H.A. Pilsbry & Y. Hirase, 1905 - (POMATIOPSIDAE)
- hupensis formosana, Oncomelania hupensis formosana H.A. Pilsbry & Y. Hirase, 1905 - (POMATIOPSIDAE)
- hupensis guangxiensis, Oncomelania hupensis guangxiensis (Y.Y. Liu, 1981) - (POMATIOPSIDAE)
- hupensis nosophora, Oncomelania hupensis nosophora G.C. Robson, 1915 - (POMATIOPSIDAE)
- hupensis nosophora yoshidai, Oncomelania hupensis nosophora yoshidai P. Bartsch, 1936 - (POMATIOPSIDAE)
- hupensis quadrasi, Oncomelania hupensis quadrasi O.F. von Möllendorff, 1895 - (POMATIOPSIDAE)
- hupensis robertsoni, Oncomelania hupensis robertsoni (G.M. Davis, 1999) - (POMATIOPSIDAE)
- hupensis tangi, Oncomelania hupensis tangi (P. Bartsch, 1936) - (POMATIOPSIDAE)
- hupferi, Tomellana hupferi (H. Strebel, 1912) - (CLAVATULIDAE)
- hupferi fusca, Tomellana hupferi fusca (H. Strebel, 1912) - (CLAVATULIDAE)
- huppeana, Collisella huppeana R. Ramírez, 1974 - syn of: Scurria variabilis (G.B. I Sowerby, 1839) - (LOTTIIDAE)
- huppeana, Collisella huppeana J. Ramírez-Böhme, 1974 - syn of: Scurria variabilis (G.B. I Sowerby, 1839) - (LOTTIIDAE)
- huralensis, Astarte huralensis Stefanini, 1939 † - (ASTARTIDAE) (FOSSIL)
- hurenensis, Maitaia hurenensis Biakov, 1992 † - (ATOMODESMATIDAE) (FOSSIL)
- hurleyi, Struthiochenopus hurleyi J.D. Stilwell & al., 2004 † - (APORRHAIDAE) (FOSSIL)
- hurleyi, Archiminolia hurleyi (B.A. Marshall, 1979) - (SOLARIELLIDAE)
- hurleyi, Microgaza hurleyi B.A. Marshall, 1979 - syn of: Archiminolia hurleyi (B.A. Marshall, 1979) - (SOLARIELLIDAE)
- huronense, Beloitoceras huronense (Billings, 1865 †) - (ONCOCERATIDAE) (FOSSIL)
- Huronia, Genus Huronia Stokes, 1824 (HURONIIDAE) (FOSSIL)
- Huroniella, Genus Huroniella Foerste, 1924 (HURONIIDAE) (FOSSIL)
- HURONIIDAE Foerste & Teichert, 1930 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ACTINOCERIDA [Order]) (FOSSIL)
- huronioides, Actinoceras huronioides Flower, 1957 † - (ACTINOCERATIDAE) (FOSSIL)
- hurumi, Cretaxinus hurumi Hryniewicz & al., 2014 † - (THYASIRIDAE) (FOSSIL)
- hurunuiensis, Stiracolpus hurunuiensis (J. Marwick, 1957 †) - (TURRITELLIDAE) (FOSSIL)
- hurupiensis, Austrotoma hurupiensis J. Marwick, 1926 † - (CONOIDEA (UNASSIGNED)) (FOSSIL)
- hurupiensis, Cadulus hurupiensis R.K. Dell, 1952 † - (GADILIDAE) (FOSSIL)
- hurupiensis, Glycymerita hurupiensis (J. Marwick, 1923 †) - (GLYCYMERIDIDAE) (FOSSIL)
- hurupiensis, Marama hurupiensis J. Marwick, 1927 † - (VENERIDAE) (FOSSIL)
- hurupiensis, Alcithoe hurupiensis J. Marwick, 1926 † - (VOLUTIDAE) (FOSSIL)
- husaensis, Tibatrochus husaensis S. Nomura, 1940 - (CHILODONTIDAE)
- husainovae, Caspiohydrobia husainovae (Y.I. Starobogatov, 1974) - (HYDROBIIDAE)
- husamaru, Nuculana husamaru S. Nomura, 1940 - (NUCULANIDAE)
- husamaru, Gemmula husamaru (S. Nomura, 1940) - (TURRIDAE)
- husamuru, Costanuculana husamuru (Nomura 1940) † - (NUCULANIDAE) (FOSSIL)
- husmanni, Bythiospeum husmanni (C.R. Böttger, 1963) - (HYDROBIIDAE)
- husseyi, Teichertoceras husseyi Foerste † - (WESTONOCERATIDAE) (FOSSIL)
- hutchingsae, Eatonina hutchingsae W.F. Ponder & E.K. Yoo, 1980 - (CINGULOPSIDAE)
- hutchinsoni, Panamurex hutchinsoni P.O. Jung, 1969 † - (MURICIDAE) (FOSSIL)
- hutchinsoni, Serripecten hutchinsoni (F.W. Hutton, 1873 †) - (PECTINIDAE) (FOSSIL)
- hutchinsoniana, Calliotropis hutchinsoniana C.R. Laws, 1939 † - (CALLIOTROPIDAE) (FOSSIL)
- hutchinsoniana, Terelimella hutchinsoniana C.R. Laws, 1938 † - (PYRAMIDELLIDAE) (FOSSIL)
- hutchinsoniana, Zetela hutchinsoniana C.R. Laws, 1939 † - (SOLARIELLIDAE) (FOSSIL)
- hutchinsonii, Achatinella hutchinsonii W.H. Pease - syn of: Amastra hutchinsonii W.H. Pease, 1862 - (ACHATINELLIDAE)
- hutchinsonii, Amastra hutchinsonii W.H. Pease, 1862 - (AMASTRIDAE)
- hutia, Turrithyra sinuosa hutia (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- hutsoni, Eremarionta rowelli hutsoni (W.F. Clapp, 1907) - (HELMINTHOGLYPTIDAE)
- huttereri, Alvaradoa huttereri (C.E. Ponte-Lira & K. Groh, 1994) - (CANARIELLIDAE)
- huttereri, Napaeinus huttereri F.C. Henríquez, 1991 - (ENIDAE)
- hutteri, Pinacoceras hutteri Mojsisovics, 1902 † - (PINACOCERATIDAE) (FOSSIL)
- huttneri, Cochlostoma huttneri A.J. Wagner, 1897 - syn of: Eupomatias henricae huettneri (A.J. Wagner, 1897) - (COCHLOSTOMATIDAE)
- Huttonella, syn of: Genus Ptychodon C.M.F. Ancey, 1888 (CHAROPIDAE)
- Huttonella, Subgenus Gulella (Huttonella) L. Pfeiffer, 1856 (STREPTAXIDAE)
- huttoni, Acteon huttoni A.E.M. Cossmann, 1895 - syn of: Leucotina casta (A. Adams, 1853) - (ACTEONIDAE)
- huttoni, Anomia huttoni H.H. Suter, 1913 - syn of: Anomia ephippium C. Linnaeus, 1758 - (ANOMIIDAE)
- huttoni, Pseudaneitea huttoni (H.H. Suter, 1909) - (ATHORACOPHORIDAE)
- huttoni, Cordieria huttoni Finlay, 1930 † - (BORSONIIDAE) (FOSSIL)
- huttoni, Penion huttoni (L.C. King, 1934 †) - (BUCCINIDAE) (FOSSIL)
- huttoni, Aeneator huttoni Finlay, 1930 † - (BUCCINIDAE) (FOSSIL)
- huttoni, Cominella huttoni W. Kobelt - (BUCCINIDAE)
- huttoni, Eudoxochiton huttoni H.A. Pilsbry, 1893 - syn of: Eudoxochiton nobilis (J.E. Gray, 1843) - (CALLOCHITONIDAE)
- huttoni, Landouria huttoni (L. Pfeiffer, 1842) - (CAMAENIDAE)
- huttoni, Colina huttoni A.E.M. Cossmann, 1895 † - syn of: Stiracolpus huttoni (A.E.M. Cossmann, 1895 †) - (CERITHIIDAE) (FOSSIL)
- huttoni, Seila huttoni H.H. Suter, 1915 - syn of: Lyroseila cincta (F.W. Hutton, 1885) - (CERITHIOPSIDAE)
- huttoni, Chama huttoni J. Hector, 1886 - syn of: Chama ruderalis (J.B.P.A. Lamarck, 1819) - (CHAMIDAE)
- huttoni, Cavellioropa huttoni (H.H. Suter, 1890) - (CHAROPIDAE)
- huttoni, Rhyssoplax huttoni H.H. Suter, 1906 - syn of: Rhyssoplax aereus (L.A. Reeve, 1847) - (CHITONIDAE)
- huttoni, Paxula huttoni R. Murdoch, 1905 - syn of: Paxula transitans (R. Murdoch, 1905) - (COLUMBELLIDAE)
- huttoni, Columbella huttoni H.H. Suter, 1904 - syn of: Zemitrella sulcata (F.W. Hutton, 1873) - (COLUMBELLIDAE)
- huttoni, Conus huttoni (R. Tate, 1890 †) - (CONIDAE) (FOSSIL)
- huttoni, Isospira huttoni Reed, 1921 † - (CYRTONELLIDAE) (FOSSIL)
- huttoni, Eatoniella huttoni H.A. Pilsbry, 1888 - syn of: Eatoniella flammulata (F.W. Hutton, 1878) - (EATONIELLIDAE)
- huttoni, Gregorioiscala huttoni P.A. Maxwell, 1992 † - (EPITONIIDAE) (FOSSIL)
- huttoni, Taron huttoni H.H. Suter, 1908 - syn of: Taron dubius (F.W. Hutton, 1878) - (FASCIOLARIIDAE)
- huttoni, Glycymerita huttoni (J. Marwick, 1923 †) - (GLYCYMERIDIDAE) (FOSSIL)
- huttoni, Haliotis virginea huttoni H. Filhol, 1880 - (HALIOTIDAE)
- huttoni, Helix huttoni L. Pfeiffer, 1842 - syn of: Landouria huttoni (L. Pfeiffer, 1842) - (HELICIDAE)
- huttoni, Velesunio huttoni D.F. McMichael, 1957 † - (HYRIIDAE) (FOSSIL)
- huttoni, Neoguraleus huttoni (E.A. Smith, 1915) - (MANGELIIDAE)
- huttoni, Septifer huttoni (A.E.M. Cossmann, 1916 †) - (MYTILIDAE) (FOSSIL)
- huttoni, Limnoperna huttoni (H.H. Suter, 1914 †) - (MYTILIDAE) (FOSSIL)
- huttoni, Polinices huttoni H.F.A. von Ihering, 1907 † - (NATICIDAE) (FOSSIL)
- huttoni, Ataxocerithium huttoni A.E.M. Cossmann, 1895 † - syn of: Stiracolpus huttoni (A.E.M. Cossmann, 1895 †) - (NEWTONIELLIDAE) (FOSSIL)
- huttoni, Octopus huttoni W.B. Benham, 1943 - (OCTOPODIDAE)
- huttoni, Ostrea huttoni É. Lamy, 1929 - syn of: Ostrea chilensis R.A. Philippi, 1844 - (OSTREIDAE)
- huttoni, Evalea huttoni (H.H. Suter, 1908 †) - (PYRAMIDELLIDAE) (FOSSIL)
- huttoni, Pusillina huttoni (H.H. Suter, 1898) - (RISSOIDAE)
- huttoni, Haurakia huttoni (H.H. Suter, 1898) - syn of: Pusillina huttoni (H.H. Suter, 1898) - (RISSOIDAE)
- huttoni, Moerella huttoni (E.A. Smith, 1885) - (TELLINIDAE)
- huttoni, Tellina huttoni E.A. Smith, 1885 - syn of: Moerella huttoni (E.A. Smith, 1885) - (TELLINIDAE)
- huttoni, Naricava huttoni (J. Marwick, 1924 †) - (TORNIDAE) (FOSSIL)
- huttoni, Teretriphora huttoni (H.H. Suter, 1908) - (TRIPHORIDAE)
- huttoni, Triphora huttoni H.H. Suter, 1908 - syn of: Teretriphora huttoni (H.H. Suter, 1908) - (TRIPHORIDAE)
- huttoni, Coelotrochus huttoni A.E.M. Cossmann, 1918 - syn of: Coelotrochus tiaratus (J.R.C. Quoy & J.P. Gaimard, 1834) - (TROCHIDAE)
- huttoni, Stiracolpus huttoni (A.E.M. Cossmann, 1895 †) - (TURRITELLIDAE) (FOSSIL)
- huttoni, Mauira huttoni (H.H. Suter, 1914 †) - (VOLUTIDAE) (FOSSIL)
- Huttonia, syn of: Genus Euchelus R.A. Philippi, 1847 (CHILODONTIDAE)
- Huttonia, syn of: Genus Potamopyrgus W. Stimpson, 1865 (TATEIDAE)
- huttoniae, Murex huttoniae B.H. Wright, 1878 - syn of: Triplex brunneus huttoniae B.H. Wright, 1878 - (MURICIDAE)
- huttoniae, Triplex brunneus huttoniae B.H. Wright, 1878 - (MURICIDAE)
- huttoniana, Corbicula huttoniana S. Clessin, 1887 - syn of: Corbicula striatella G.P. Deshayes, 1854 - (CYRENIDAE)
- huttoniana, Sinalbinula huttoniana (W.H. Benson, 1849) - (GASTROCOPTIDAE)
- huttoniana, Divaricella huttoniana E.G. Vanatta, 1901 - (LUCINIDAE)
- huttonii, Xymene huttonii (R. Murdoch, 1900) - (MURICIDAE)
- huttonii, Cantharidus huttonii (E.A. Smith, 1876) - (TROCHIDAE)
- huttonii, Micrelenchus huttonii E.A. Smith, 1876 - syn of: Cantharidus huttonii (E.A. Smith, 1876) - (TROCHIDAE)
- huwaizahensis, Gyraulus huwaizahensis P. Glöer & M.D. Naser, 2005 - (PLANORBIDAE)
- huxleyanum, Cymatoceras huxleyanum (Blanford, 1861 †) - (CYMATOCERATIDAE) (FOSSIL)
- huxleyi, Thisbites huxleyi Tozer, 1994 † - (THISBITIDAE) (FOSSIL)
- Huxleyia, Genus Huxleyia A. Adams, 1860 (NUCINELLIDAE)
- Huyella, Subgenus Wakullina (Huyella) Strugo, 1977 (ANOMIIDAE) (FOSSIL)
- huzardii, Emarginula huzardii B.C.M. Payraudeau, 1826 - (FISSURELLIDAE)
- huzardii intermedia, Emarginula huzardii intermedia E. Réquien, 1848 - syn of: Emarginula huzardii B.C.M. Payraudeau, 1826 - (FISSURELLIDAE)
- huzardii major, Emarginula huzardii major T.A. de M. Monterosato, 1878 - syn of: Emarginula huzardii B.C.M. Payraudeau, 1826 - (FISSURELLIDAE)
- huzayeni, Ficus huzayeni Abbass, 1967 † - (FICIDAE) (FOSSIL)
- huzhirensis, Choanomphalus huzhirensis J. Beckmann & Y.I. Starobogatov, 1975 - (PLANORBIDAE)
- huziokai, Turritella huziokai K. Ida, 1952 - syn of: Neohaustator fortilirata (G.B. III Sowerby, 1914) - (TURRITELLIDAE)
- huzzahense, Pachendoceras huzzahense (Ulrich & Foerste, 1931 †) - (ELLESMEROCERATIDAE) (FOSSIL)
- huzzahensis, Cyrtonellopsis huzzahensis E.L. Yochelson, 1958 † - (CYRTOLITIDAE) (FOSSIL)
- Hwaania, Genus Hwaania (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- hyacintha, Anachis hyacintha R.P.J. Hervier, 1899 - syn of: Seminella peasei (E.C. Von Martens & B. Langkavel, 1871) - (COLUMBELLIDAE)
- hyacinthensis, Ctenodonta hyacinthensis Foerste, 1924 † - (CTENODONTIDAE) (FOSSIL)
- hyacinthensis, Loxoplocus hyacinthensis Foerste, 1924 † - (LOPHOSPIRIDAE) (FOSSIL)
- hyacinthensis, Modiolopsis hyacinthensis Foerste, 1924 † - (MODIOMORPHIDAE) (FOSSIL)
- hyacinthinus, Colobostylus banksianus hyacinthinus (C.B. Adams) - (POMATIIDAE)
- hyacinthinus, Trochus hyacinthinus H.M.D. de Blainville, 1830 - syn of: Calliostoma laugieri (B.C.M. Payraudeau, 1826) - (TROCHIDAE)
- hyacinthum, Pomatias hyacinthum C.B. Adams, 1849 - syn of: Colobostylus banksianus (G.B. I Sowerby, 1843) - (POMATIIDAE)
- hyadesi, Limicolaria hyadesi F.P. Jousseaume, 1886 - (ACHATINIDAE)
- hyadesi, Photinula hyadesi A. de Rochebrune & J.F. Mabille, 1885 - syn of: Photinastoma taeniatum (G.B. I Sowerby, 1825) - (CALLIOSTOMATIDAE)
- hyadesi, Malletia hyadesi A. de Rochebrune & J.F. Mabille, 1889 - syn of: Malletia subaequalis (G.B. II Sowerby, 1870) - (MALLETIIDAE)
- hyadesi, Nuttallochiton hyadesi (A. de Rochebrune, 1889) - (MOPALIIDAE)
- hyadesi, Nuttallochiton hyadesi A. de Rochebrune in A. de Rochebrune & J.F. Mabille, 1889 - syn of: Nuttallochiton hyadesi (A. de Rochebrune, 1889) - (MOPALIIDAE)
- hyadesi, Octopus hyadesi A. de Rochebrune & J.F. Mabille, 1889 - (OCTOPODIDAE)
- hyadesi, Martialia hyadesi A. de Rochebrune & J.F. Mabille, 1889 - (OMMASTREPHIDAE)
- hyadesi, Schizochiton hyadesi A. de Rochebrune, 1889 - syn of: Nuttallochiton hyadesi (A. de Rochebrune, 1889) - (SCHIZOCHITONIDAE)
- hyadesi, Lamellaria hyadesi J.F. Mabille & A. de Rochebrune, 1889 - syn of: Lamellaria perspicua (C. Linnaeus, 1758) - (VELUTINIDAE)
- hyaena, Rhizoconus hyaena (C.H. Hwass, 1792) - (CONIDAE)
- hyaena, Muracypraea hyaena (Schilder, 1939 †) - (CYPRAEIDAE) (FOSSIL)
- hyaena, Helix hyaena R.T. Lowe, 1852 - syn of: Leptaxis simia (A.E.J. Férussac, 1832) - (HELICIDAE)
- hyaena, Leptaxis simia hyaena (R.T. Lowe, 1852) - (HYGROMIIDAE)
- hyaena concolor, Rhizoconus hyaena concolor (G.B. II Sowerby, 1841) - (CONIDAE)
- Hyala, Genus Hyala H. Adams & A. Adams, 1852 (IRAVADIIDAE)
- Hyalacme, syn of: Subgenus Acicula (Platyla) A. Moquin-Tandon, 1855 (ACICULIDAE)
- Hyalaea, syn of: Genus Cavolinia P.C. Abildgaard, 1791 (CAVOLINIIDAE)
- HYALAEIDAE - syn of Family: CAVOLINIIDAE
- hyale, Hormotoma hyale Billings, 1865 † - (MURCHISONIIDAE) (FOSSIL)
- hyale, Pleurotomaria hyale Billings, 1865 † - (PLEUROTOMARIIDAE) (FOSSIL)
- Hyalea, syn of: Genus Cavolinia P.C. Abildgaard, 1791 (CAVOLINIIDAE)
- hyaleus, Helicarion hyaleus F.S. Bock, 1881 - (HELICARIONIDAE)
- Hyalimax, Genus Hyalimax H. Adams & A. Adams, 1855 (SUCCINEIDAE)
- hyalina, Tornatellina hyalina R. Tate, 1870 - syn of: Lamellaxis hyalinus (R. Tate, 1870) - (ACHATINELLIDAE)
- hyalina, Aclis hyalina R.B. Watson, 1881 - syn of: Eulima hyalina R.B. Watson, 1883 - (ACLIDIDAE)
- hyalina, Pupa hyalina J.C. Verco, 1907 - (ACTEONIDAE)
- hyalina, Amnicola hyalina P.H. Fischer & J.C.H. Crosse - syn of: Aroapyrgus guatemalensis (P.H. Fischer & J.C.H. Crosse, 1891) - (AMNICOLIDAE)
- hyalina, Aplysia hyalina G.B. II Sowerby, 1869 - (APLYSIIDAE)
- hyalina, Macrochlamys hyalina E.C. Von Martens, 1864 - syn of: Everettia hyalina (E.C. Von Martens, 1864) - (ARIOPHANTIDAE)
- hyalina, Bellerophon hyalina J.W. Hall, 1879 † - (BELLEROPHONTIDAE) (FOSSIL)
- hyalina, Bulla hyalina W. Turton, 1834 - syn of: Diaphana minuta T. Brown, 1827 - (BULLIDAE)
- hyalina, Cetoconcha hyalina (R.B. Hinds, 1843) - (CETOCONCHIDAE)
- hyalina, Cuspidaria hyalina (R.B. Hinds, 1843 ex Sowerby MS) - (CUSPIDARIIDAE)
- hyalina, Japonia hyalina J.J. Vermeulen & D.J. Junau, 2007 - (CYCLOPHORIDAE)
- hyalina, Gleba hyalina N. Tiberi, 1878 - syn of: Gleba cordata P. Forsskål in C. Niebuhr, 1776 - (CYMBULIIDAE)
- hyalina, Diaphana hyalina N.H. Odhner, 1907 - syn of: Diaphana minuta T. Brown, 1827 - (DIAPHANIDAE)
- hyalina, Diaphana hyalina W. Turton, 1834 - syn of: Diaphana minuta T. Brown, 1827 - (DIAPHANIDAE)
- hyalina, Palaina taeniolata hyalina J.F. Quadras & O.F. von Möllendorff, 1894 - (DIPLOMMATINIDAE)
- hyalina, Everettia hyalina (E.C. Von Martens, 1864) - (DYAKIIDAE)
- hyalina, Eatoniella hyalina K.H.J. Thiele, 1912 - (EATONIELLIDAE)
- hyalina, Microtralia hyalina (P.M.A. Morelet, 1883) - (ELLOBIIDAE)
- hyalina, Cycloscala hyalina (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- hyalina, Eulima hyalina R.B. Watson, 1883 - (EULIMIDAE)
- hyalina, Melanella hyalina R.B. Watson, 1881 - syn of: Eulima hyalina R.B. Watson, 1883 - (EULIMIDAE)
- hyalina, Scintillona hyalina (G.P. Deshayes, 1856) - (GALEOMMATIDAE)
- hyalina, Gastrochaena hyalina G.B. I Sowerby, 1834 - syn of: Gastrochaena ovata G.B. I Sowerby, 1834 - (GASTROCHAENIDAE)
- hyalina, Atys hyalina R.B. Watson, 1884 - (HAMINOEIDAE)
- hyalina, Haminoea hyalina J.F. Gmelin, 1790 - syn of: Haminoea hydatis (C. Linnaeus, 1758) - (HAMINOEIDAE)
- hyalina, Witchellia hyalina (Buckman, 1924 †) - (HAMMATOCERATIDAE) (FOSSIL)
- hyalina, Limaria hyalina (A.E. Verrill & K.J. Bush, 1898) - (LIMIDAE)
- hyalina, Lithoglyphopsis hyalina Y.Y. Liu, Y.X. Wang & Y.H. Duan, 1994 - (LITHOGLYPHIDAE)
- hyalina, Lyonsia hyalina (T.A. Conrad, 1831) - (LYONSIIDAE)
- hyalina, Thetis hyalina H. Adams & A. Adams, 1856 - syn of: Cetoconcha hyalina (R.B. Hinds, 1843) - (MACTROMYIDAE)
- Hyalina, Genus Hyalina H.C.F. Schumacher, 1817 (MARGINELLIDAE)
- hyalina, Volvarina hyalina (K.H.J. Thiele, 1912) - (MARGINELLIDAE)
- hyalina, Marginella hyalina K.H.J. Thiele, 1912 - syn of: Volvarina hyalina (K.H.J. Thiele, 1912) - (MARGINELLIDAE)
- hyalina, Mya hyalina T.A. Conrad, 1831 - syn of: Lyonsia hyalina (T.A. Conrad, 1831) - (MYIDAE)
- hyalina, Laevipilina hyalina (J.H. McLean, 1979) - (NEOPILINIDAE)
- hyalina, Vema hyalina J.H. McLean, 1979 - syn of: Laevipilina hyalina (J.H. McLean, 1979) - (NEOPILINIDAE)
- hyalina, Ostrea hyalina G.S. Poli, 1795 - syn of: Flexopecten hyalinus (G.S. Poli, 1795) - (OSTREIDAE)
- hyalina, Simnia hyalina F.Jr. Lorenz & D. Fehse, 2009 - (OVULIDAE)
- Hyalina, syn of: Genus Oxychilus L.I. Fitzinger, 1833 (OXYCHILIDAE)
- hyalina, Partula hyalina (W.J. Broderip, 1832) - (PARTULIDAE)
- hyalina, Patella hyalina R.A. Philippi, 1845 - syn of: Nacella mytilina (G.S. Helbling, 1779) - (PATELLIDAE)
- hyalina, Ampullosansonia hyalina T. Kase, 1999 - (PICKWORTHIIDAE)
- hyalina, Lissomya hyalina (F.R. Bernard, 1989) - (POROMYIDAE)
- hyalina, Poromya hyalina F.R. Bernard, 1989 - syn of: Lissomya hyalina (F.R. Bernard, 1989) - (POROMYIDAE)
- hyalina, Vitrea hyalina A.E.J. Férussac, 1822 - syn of: Vitrea diaphana (S.E. Studer, 1820) - (PRISTILOMATIDAE)
- hyalina, Avicula hyalina R.W. Dunker, 1852 - syn of: Electroma virens (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- hyalina, Pterotrachea hyalina L. Oken, 1815 - syn of: Pterotrachea hippocampus R.A. Philippi, 1836 - (PTEROTRACHEIDAE)
- hyalina, Tiberia hyalina (R.W. Dunker, 1860) - (PYRAMIDELLIDAE)
- hyalina, Odostomia hyalina A. Adams, 1860 - (PYRAMIDELLIDAE)
- hyalina, Odostomia hyalina J.G. Jeffreys, 1870 - syn of: Ebala striatula (J.G. Jeffreys, 1856) - (PYRAMIDELLIDAE)
- hyalina, Daphnella hyalina (L.A. Reeve, 1845) - (RAPHITOMIDAE)
- hyalina, Teretiopsis hyalina A.V. Sysoev & P. Bouchet, 2001 - (RAPHITOMIDAE)
- hyalina, Rissoa hyalina A.G. Desmarest, 1814 - (RISSOIDAE)
- hyalina, Rissoa membranacea hyalina Fréminville, 1814 - (RISSOIDAE)
- hyalina, Myxastyla hyalina F.G. Thompson, 1995 - (SPIRAXIDAE)
- hyalina, Succinea hyalina R.J. Shuttleworth - (SUCCINEIDAE)
- hyalina, Tellina hyalina J.F. Gmelin, 1791 - (TELLINIDAE)
- hyalina, Tellina hyalina G.P. Deshayes, 1835 - syn of: Tellina tenuis E.M. Da Costa, 1778 - (TELLINIDAE)
- hyalina, Vitrinella hyalina C.B. Adams, 1850 - (TORNIDAE)
- hyalina, Coralliophaga hyalina I. Hayami & T. Kase, 1993 - syn of: Coralliophaga coralliophaga (J.F. Gmelin, 1791) - (TRAPEZIDAE)
- hyalina, Trivirostra hyalina F.A. Schilder, 1933 - (TRIVIIDAE)
- hyalina, Sinuitina hyalina (A.H. Clarke, 1904 †) - (TROPIDODISCIDAE) (FOSSIL)
- hyalina, Cylindrella hyalina L. Pfeiffer in R.A. Philippi, 1847 - syn of: Anisospira liebmanni (L. Pfeiffer, 1846) - (UROCOPTIDAE)
- hyalina, Venus hyalina R.A. Philippi, 1849 - syn of: Clementia papyracea (J.F. Gmelin, 1791) - (VENERIDAE)
- Hyalina, syn of: Genus Vitrina J.P.R. Draparnaud, 1801 (VITRINIDAE)
- hyalina auriformis, Rissoa hyalina auriformis P.M. Pallary, 1904 - syn of: Rissoa auriformis P.M. Pallary, 1904 - (RISSOIDAE)
- hyalina floridana, Lyonsia hyalina floridana T.A. Conrad, 1849 - syn of: Lyonsia floridana T.A. Conrad, 1849 - (LYONSIIDAE)
- hyalina monodontoides, Rissoa hyalina monodontoides (G.S. Coen, 1937) - (RISSOIDAE)
- hyalina pseudomonodonta, Rissoa hyalina pseudomonodonta A. Verduin, 1983 - (RISSOIDAE)
- hyalina radiata, Aequipecten hyalina radiata P.M. Pallary, 1900 - syn of: Flexopecten hyalinus (G.S. Poli, 1795) - (PECTINIDAE)
- hyalina spirata, Diaphana hyalina spirata N.H. Odhner, 1907 - syn of: Diaphana minuta T. Brown, 1827 - (DIAPHANIDAE)
- hyalinella, Odostomia hyalinella J.T. Kuroda & T. Habe, 1952 - (PYRAMIDELLIDAE)
- Hyalinia, syn of: Genus Oxychilus L.I. Fitzinger, 1833 (OXYCHILIDAE)
- Hyalinia, Genus Hyalinia A.E.R. Agassiz, 1837 (ZONITIDAE)
- hyaliniiformis, Choanomphalus hyaliniiformis I.M. Moskvicheva in Dworiadkin, 1980 - (PLANORBIDAE)
- Hyalinites, syn of: Genus Witchellia Imlay, 1964 (HAMMATOCERATIDAE) (FOSSIL)
- hyalinoalbida, Mesembrinus moricandi hyalinoalbida J.C.H. Crosse & P.H. Fischer, 1875 - (BULIMULIDAE)
- hyalinoides, Tayloria hyalinoides K.H.J. Thiele - (STREPTAXIDAE)
- hyalinum, Dentalium hyalinum R.A. Philippi, 1846 - syn of: Graptacme semistriata (W. Turton, 1819) - (DENTALIIDAE)
- hyalinum, Cycloscala hyalinum H.A. Pilsbry, 1921 - syn of: Cycloscala hyalina (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- hyalinum, Phyllodesmium hyalinum C.G. Ehrenberg, 1831 - (FACELINIDAE)
- hyalinum, Dacrydium hyalinum (T.A. de M. Monterosato, 1875) - (MYTILIDAE)
- hyalinum mokuoloense, Cycloscala hyalinum mokuoloense H.A. Pilsbry, 1921 - syn of: Cycloscala hyalina (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- hyalinus, Hyalinites hyalinus Buckman, 1924 † - syn of: Witchellia hyalina (Buckman, 1924 †) - (HAMMATOCERATIDAE) (FOSSIL)
- hyalinus, Thaumastus hyalinus (J.A. Wagner in J.B. von Spix, 1827) - (MEGASPIRIDAE)
- hyalinus, Octopus hyalinus P.C.A.S.L. Rang, 1837 - (OCTOPODIDAE)
- hyalinus, Flexopecten hyalinus (G.S. Poli, 1795) - (PECTINIDAE)
- hyalinus, Janolus hyalinus (J. Alder & A. Hancock, 1854) - (PROCTONOTIDAE)
- hyalinus, Lamellaxis hyalinus (R. Tate, 1870) - (SUBULINIDAE)
- hyalinus, Scrupus hyalinus (N.H. Odhner, 1924) - (TORNIDAE)
- hyalinus, Unio hyalinus I. Lea, 1845 - syn of: Lasmigona subviridis (T.A. Conrad, 1835) - (UNIONIDAE)
- Hyalocornea, Subgenus Oxychilus (Hyalocornea) T.A. de M. Monterosato, 1892 (OXYCHILIDAE)
- Hyalocyclis, syn of: Genus Hyalocylis L. de Folin, 1875 (CRESEIDAE)
- Hyalocylis, Genus Hyalocylis L. de Folin, 1875 (CRESEIDAE)
- Hyalocylix, syn of: Genus Hyalocylis L. de Folin, 1875 (CRESEIDAE)
- Hyaloea, syn of: Genus Cavolinia P.C. Abildgaard, 1791 (CAVOLINIIDAE)
- Hyalofulgida, syn of: Genus Oxychilus L.I. Fitzinger, 1833 (OXYCHILIDAE)
- Hyalofusca, Subgenus Oxychilus (Hyalofusca) Monterosato, 1892 (OXYCHILIDAE)
- Hyalogyra, Genus Hyalogyra B.A. Marshall, 1988 (HYALOGYRINIDAE)
- Hyalogyrina, Genus Hyalogyrina B.A. Marshall, 1988 (HYALOGYRINIDAE)
- HYALOGYRINIDAE War้n & Bouchet, 1993 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-HETEROSTROPHA [Infraclass]-VALVATOIDEA [Superfamily])
- hyaloides, Lusitanops hyaloides (P. Dautzenberg, 1925) - (RAPHITOMIDAE)
- hyaloides, Pleurotoma hyaloides P. Dautzenberg, 1925 - syn of: Lusitanops hyaloides (P. Dautzenberg, 1925) - (TURRIDAE)
- hyaloideus, Rhinus hyaloideus (L. Pfeiffer, 1855) - (SIMPULOPSIDAE)
- Hyalokellia, Genus Hyalokellia T. Habe, 1960 (KELLIIDAE)
- Hyalopatina, Subgenus Plesiothyreus (Hyalopatina) W.H. Dall, 1889 (PHENACOLEPADIDAE)
- Hyalopecten, Genus Hyalopecten A.E. Verrill, 1897 (PECTINIDAE)
- Hyalopsis, syn of: Genus Hargravesia H. Adams, 1870 (PUPINIDAE)
- Hyalopyrgus, syn of: Genus Tryonia W. Stimpson, 1865 (COCHLIOPIDAE)
- Hyalorisia, Genus Hyalorisia W.H. Dall, 1889 (CAPULIDAE)
- Hyalosagda, Genus Hyalosagda J.A. Albers, 1860 (SAGDIDAE)
- Hyaloscala, Subgenus Epitonium (Hyaloscala) De Boury, 1909 (EPITONIIDAE)
- Hyalotachea, syn of: Genus Cepaea F. Held, 1837 (HELICIDAE)
- Hyaloteuthis, Genus Hyaloteuthis J.E. Gray, 1849 (OMMASTREPHIDAE)
- hyans, Chondrothyretes impressa hyans (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- hyas, Goniatites hyas J.W. Hall, 1860 † - syn of: Prolecanites lyoni (F.B. Meek & A.H. Worthen, 1860 †) - (GONIATITIDAE) (FOSSIL)
- hyas, Myrtoessa hyas Radea, 2016 - (HYDROBIIDAE)
- hyatinthus, Kanamarua hyatinthus T. Shikama, 1973 - (COLUBRARIIDAE)
- hyatinthus rehderi, Kanamarua hyatinthus rehderi (R.N. Kilburn, 1977) - (COLUBRARIIDAE)
- hyatinthus vicdani, Kanamarua hyatinthus vicdani S. Kosuge, 1989 - (COLUBRARIIDAE)
- hyatintus, Kanamarua hyatintus T. Shikama, 1973 - syn of: Kanamarua hyatinthus T. Shikama, 1973 - (COLUBRARIIDAE)
- hyatti, Mantelliceras hyatti Spath, 1925 † - syn of: Mantelliceras saxbii (Sharpe, 1857 †) - (ACANTHOCERATIDAE) (FOSSIL)
- hyatti, Acrochordiceras hyatti F.B. Meek, 1877 † - (ACROCHORDICERATIDAE) (FOSSIL)
- hyatti, Coroniceras hyatti D.T. Donovan, 1952 † - (ARIETITIDAE) (FOSSIL)
- hyatti, Cardioceras hyatti Reeside, 1919 † - (CARDIOCERATIDAE) (FOSSIL)
- hyatti, Cassiope hyatti Stanton, 1947 † - (CASSIOPIDAE) (FOSSIL)
- hyatti, Nevadites hyatti (Smith, 1904 †) - (CERATITIDAE) (FOSSIL)
- hyatti, Prionocyclus hyatti Stanton, 1894 † - (COLLIGNONICERATIDAE) (FOSSIL)
- hyatti, Dawsonoceras hyatti Foerste, 1928 † - (DAWSONOCERATIDAE) (FOSSIL)
- hyatti, Discoceras hyatti E. Strand, 1934 † - (DISCOCERATIDAE) (FOSSIL)
- hyatti, Bacchites hyatti Smith, 1927 † - (JUVAVITIDAE) (FOSSIL)
- hyatti, Hedenstroemia hyatti Smith, 1932 † - syn of: Hedenstroemia kossmati (A. Hyatt & Smith, 1905 †) - (LANCEOLITIDAE) (FOSSIL)
- hyatti, Budaiceras hyatti (Shattuck, 1903 †) - (LYELLICERATIDAE) (FOSSIL)
- hyatti, Sarasinella hyatti (Stanton, 1895 †) - (NEOCOMITIDAE) (FOSSIL)
- hyatti, Uralyroceras hyatti (W.J. Gordon, 1960 †) - (NEOGLYPHIOCERATIDAE) (FOSSIL)
- hyatti, Nostoceras hyatti L.W. Stephenson, 1941 † - (NOSTOCERATIDAE) (FOSSIL)
- hyatti, Schistoceras hyatti Smith, 1903 † - syn of: Schistoceras missouriense Miller & M.J. Faber, 1892 † - (SCHISTOCERATIDAE) (FOSSIL)
- hyatti, Rossia hyatti A.E. Verrill, 1878 - (SEPIOLIDAE)
- hyatti, Campbelloceras hyatti Ulrich & al., 1942 † - (TARPHYCERATIDAE) (FOSSIL)
- hyatti, Schroederoceras hyatti E. Strand † - (TROCHOLITIDAE) (FOSSIL)
- Hyattia, syn of: Genus Ludwigia Bayle, 1878 (GRAPHOCERATIDAE) (FOSSIL)
- hyattiana, Carelia hyattiana H.A. Pilsbry, 1911 - (AMASTRIDAE)
- hyattiana, Diplotheca hyattiana G.F. Matthew, 1885 † - (DIPLOTHECIDAE) (FOSSIL)
- hyattiana caudata, Diplotheca hyattiana caudata G.F. Matthew, 1885 † - (DIPLOTHECIDAE) (FOSSIL)
- hyattianum, Gastrioceras hyattianum Girty, 1911 † - syn of: Glaphyrites hyattianus (Girty, 1911 †) - (GASTRIOCERATIDAE) (FOSSIL)
- hyattianus, Glaphyrites hyattianus (Girty, 1911 †) - (GLAPHYRITIDAE) (FOSSIL)
- hyattiforme, Mantelliceras hyattiforme M. Collignon, 1964 † - syn of: Mantelliceras saxbii (Sharpe, 1857 †) - (ACANTHOCERATIDAE) (FOSSIL)
- hyattii, Strophiops hyattii C.J. Maynard, 1913 - (CERIONIDAE)
- Hyattites, Genus Hyattites von Mojsisovics, 1902 (HALORITIDAE) (FOSSIL)
- Hyattoceras, Genus Hyattoceras Gemmellaro , 1887 (HYATTOCERATIDAE) (FOSSIL)
- HYATTOCERATIDAE Miller & Furnish, 1957 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-MARATHONITOIDEA [Superfamily]) (FOSSIL)
- hyba, Khasiella hyba (W.H. Benson, 1861) - (ARIOPHANTIDAE)
- hyblensis, Vitrea hyblensis W. Kobelt, 1881 - syn of: Vitrea subrimata (O.W.H. Reinhardt, 1871) - (PRISTILOMATIDAE)
- Hybochelus, Genus Hybochelus H.A. Pilsbry, 1899 (CHILODONTIDAE)
- Hybocystis, syn of: Genus Pollicaria A. Gould, 1856 (PUPINIDAE)
- hybocystoides, Karelainia hybocystoides (P. Temcharoen, 1971) - (POMATIOPSIDAE)
- hybocystoides, Stenothyra hybocystoides A.R.J.B. Bavay, 1895 - (STENOTHYRIDAE)
- Hybolophus, Subgenus Eucrassatella (Hybolophus) Stewart, 1930 (CRASSATELLIDAE) (FOSSIL)
- Hybolophus, syn of: Genus Eucrassatella T. Iredale, 1924 (CRASSATELLIDAE)
- Hybonoticeras, Genus Hybonoticeras Breistoffer (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- hybostoma, Melanopsis hybostoma Š. Brusina, 1874 † - (MELANOPSIDAE) (FOSSIL)
- hybostoma amaradica, Melanopsis hybostoma amaradica C.F. Fontannes, 1887 † - (MELANOPSIDAE) (FOSSIL)
- hybostoma anili, Canthidomus hybostoma anili Taner, 1997 † - syn of: Melanopsis anili Taner, 1997 † - (MELANOPSIDAE) (FOSSIL)
- hybostoma rotundata, Melanopsis hybostoma rotundata Magrograssi, 1928 † - (MELANOPSIDAE) (FOSSIL)
- hybrida, Aclis hybrida Author unknown † - (ACLIDIDAE) (FOSSIL)
- hybrida, Ampullospira hybrida (J.B.P.A. Lamarck, 1804 †) - (AMPULLINIDAE) (FOSSIL)
- hybrida, Aplysia hybrida J. de C. Sowerby, 1806 - syn of: Aplysia punctata (G.L.C.F.D. Cuvier, 1803) - (APLYSIIDAE)
- hybrida, Philippia hybrida (C. Linnaeus, 1758) - (ARCHITECTONICIDAE)
- hybrida, Bostryx stelzneri hybrida J.J. Parodíz, 1948 - (BULIMULIDAE)
- hybrida, Cardinia hybrida (Sowerby, 1817 †) - (CARDINIIDAE) (FOSSIL)
- hybrida, Vexillum hybrida L.C. Kiener, 1838 - syn of: Vexillum intermedium (L.C. Kiener, 1838) - (COSTELLARIIDAE)
- hybrida, Duvalia hybrida (Duval-Jouve, 1841 †) - (DUVALIIDAE) (FOSSIL)
- hybrida, Cepaea hybrida H.A. Pilsbry, 1888 - syn of: Cepaea hortensis (O.F. Müller, 1774) - (HELICIDAE)
- hybrida, Helix hybrida J.L.M. Poiret, 1801 - syn of: Cepaea nemoralis (C. Linnaeus) - (HELICIDAE)
- hybrida, Androgynoceras hybrida d'Orbigny, 1844 † - (LIPAROCERATIDAE) (FOSSIL)
- hybrida, Loxonema hybrida Münster, 1841 † - syn of: Zygopleura hybrida (Münster, 1841 †) - (LOXONEMATIDAE) (FOSSIL)
- hybrida, Mactra hybrida Dufour, 1881 † - (MACTRIDAE) (FOSSIL)
- hybrida, Marginella hybrida T. Cossignani, 2006 - (MARGINELLIDAE)
- hybrida, Ocinebrina hybrida (A. Aradas & L. Benoit, 1876) - (MURICIDAE)
- hybrida, Ostrea hybrida J.F. Gmelin, 1791 - syn of: Pseudamussium peslutrae (C. Linnaeus, 1771) - (OSTREIDAE)
- hybrida, Pusula hybrida (F.A. Schilder, 1931) - (TRIVIIDAE)
- hybrida, Ispharina hybrida M. Glibert, 1962 † - (TURRITELLIDAE) (FOSSIL)
- hybrida, Torquesia hybrida (G.P. Deshayes, 1832 †) - (TURRITELLIDAE) (FOSSIL)
- hybrida, Zygopleura hybrida (Münster, 1841 †) - (ZYGOPLEURIDAE) (FOSSIL)
- hybrida australis, Philippia hybrida australis S.C.T. Hanley, 1862 - syn of: Psilaxis radiatus (P.F. Röding, 1798) - (ARCHITECTONICIDAE)
- hybrida scalata, Ocinebrina hybrida scalata P.M. Pallary, 1906 - syn of: Ocinebrina hybrida (A. Aradas & L. Benoit, 1876) - (MURICIDAE)
- hybrida undata, Philippia hybrida undata S.C.T. Hanley, 1863 - syn of: Psilaxis radiatus (P.F. Röding, 1798) - (ARCHITECTONICIDAE)
- hybridopsis, Ampezzopleura hybridopsis A. Nützel, 1998 † - (ZYGOPLEURIDAE) (FOSSIL)
- hybridum, Buccinum hybridum G.A.W. Thorson, 1944 - syn of: Buccinum cyaneum J.G. Bruguière, 1792 - (BUCCINIDAE)
- hybridum, Cardium hybridum G.P. Deshayes, 1829 † - (CARDIIDAE) (FOSSIL)
- hybridum, Ancotrema hybridum (C.M.F. Ancey, 1888) - (HAPLOTREMATIDAE)
- hybridum, Loxonema hybridum Münster, 1841 † - syn of: Zygopleura hybrida (Münster, 1841 †) - (LOXONEMATIDAE) (FOSSIL)
- hybridum, Flexopecten hybridum (J.F. Gmelin, 1791) - (PECTINIDAE)
- hybridum, Maeneceras hybridum (G.G. Münster, 1832 †) - (SPORADOCERATIDAE) (FOSSIL)
- hybridus, Belemnites hybridus Duval-Jouve, 1841 † - syn of: Duvalia hybrida (Duval-Jouve, 1841 †) - (BELEMNITELLIDAE) (FOSSIL)
- hybridus, Placostylus pseudocaledonicus hybridus W. Kobelt - (BOTHRIEMBRYONTIDAE)
- hybridus, Lautoconus hybridus (L.C. Kiener, 1845) - (CONIDAE)
- hybridus, Goniatites hybridus G.G. Münster, 1832 † - syn of: Maeneceras hybridum (G.G. Münster, 1832 †) - (GONIATITIDAE) (FOSSIL)
- hybridus, Hamites hybridus Casey † - (HAMITIDAE) (FOSSIL)
- hybridus, Trochus hybridus C. Linnaeus, 1758 - syn of: Philippia hybrida (C. Linnaeus, 1758) - (TROCHIDAE)
- hybridus, Turbo hybridus Münster, 1841 † - (TURBINIDAE) (FOSSIL)
- hycavis, Cranopsis hycavis L.R.L. Simone & C.M. Cunha, 2014 - (FISSURELLIDAE)
- hydana, Cytheriopsis hydana T.A. Conrad, 1865 † - (VENERIDAE) (FOSSIL)
- hydaspicola, Pisidium hydaspicola W. Theobald, 1878 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- Hydastes, syn of: Genus Cochlicopa A.E.J. F้russac in A. Risso, 1826 (COCHLICOPIDAE)
- Hydatina, Genus Hydatina H.C.F. Schumacher, 1817 (APLUSTRIDAE)
- hydatina, Scintilla hydatina G.P. Deshayes, 1856 - (GALEOMMATIDAE)
- hydatina, Mediterranea hydatina (E.A. Rossmässler, 1838) - (OXYCHILIDAE)
- Hydatina, syn of: Subgenus Oxychilus (Mediterranea) S. Clessin, 1880 (OXYCHILIDAE)
- hydatina, Anodonta hydatina G. Servain, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- hydatina ikaros, Mediterranea hydatina ikaros F. Riedel, 1983 - (OXYCHILIDAE)
- HYDATINIDAE - syn of Family: APLUSTRIDAE
- hydatinus, Vitrea hydatinus A. Moquin-Tandon, 1855 - syn of: Vitrea crystallina (O.F. Müller, 1774) - (PRISTILOMATIDAE)
- hydatis, Bulla hydatis C. Linnaeus, 1758 - syn of: Haminoea hydatis (C. Linnaeus, 1758) - (BULLIDAE)
- hydatis, Haminoea hydatis (C. Linnaeus, 1758) - (HAMINOEIDAE)
- hydatis cymoelia, Haminoea hydatis cymoelia T.A. de M. Monterosato, 1917 - (HAMINOEIDAE)
- hydatis globosa, Bulla hydatis globosa J.G. Jeffreys, 1867 - syn of: Haminoea hydatis (C. Linnaeus, 1758) - (BULLIDAE)
- hydatis laevissima, Bulla hydatis laevissima R.A. Philippi, 1836 - syn of: Haminoea hydatis (C. Linnaeus, 1758) - (BULLIDAE)
- Hydatoria, syn of: Genus Hydatina H.C.F. Schumacher, 1817 (APLUSTRIDAE)
- HYDAYINIDAE - syn of Family: APLUSTRIDAE
- hydeana, Cylindrella hydeana C.B. Adams, 1849 - syn of: Microceramus gossei (L. Pfeiffer, 1846) - (UROCOPTIDAE)
- hydei, Bransonia hydei Hoare, 1990 † - syn of: Hippocardia hibernica (J. de C. Sowerby, 1815 †) - (BRANSONIIDAE) (FOSSIL)
- hydei, Hippocardia hydei Hoare, 1990 † - (HIPPOCARDIIDAE) (FOSSIL)
- hydei, Elimia hydei (T.A. Conrad, 1834) - (PLEUROCERIDAE)
- hydei, Nototeredo hydei P.B. Sivickis, 1928 - syn of: Nototeredo edax (C. Hedley, 1895) - (TEREDINIDAE)
- hyderabadensis, Cypraedia hyderabadensis (Cox, 1931 †) - (OVULIDAE) (FOSSIL)
- hydiana, Lampsilis hydiana I. Lea, 1838 - (UNIONIDAE)
- hydii, Colonella hydii (C.D. Weinland) - (POMATIIDAE)
- HYDOROCENIDAE - syn of Family: HYDROCENIDAE
- hydra, Turbonilla hydra P. Bartsch, 1955 - syn of: Turbonilla hemphilli K.J. Bush, 1899 † - (PYRAMIDELLIDAE)
- Hydracme, syn of: Genus Idiopyrgus H.A. Pilsbry, 1911 (POMATIOPSIDAE)
- hydractiniferus, Lussivolutopsius hydractiniferus Y.I. Kantor, 1983 - (BUCCINIDAE)
- hydrallmaniae, Doto hydrallmaniae C.C. Morrow, J.P. Thorpe & B.E. Picton, 1992 - (DOTIDAE)
- hydraulica, Loxonema hydraulica J.W. Hall & R.P. Whitfield, 1872 † - (LOXONEMATIDAE) (FOSSIL)
- HYDRIIDAE - syn of Family: HYRIIDAE
- hydriota, Albinaria arcadica hydriota (O. Böttger, 1889) - (CLAUSILIIDAE)
- Hydrobia, Genus Hydrobia J.D.W. Hartmann, 1821 (HYDROBIIDAE)
- hydrobiaeformis, Porosalvania hydrobiaeformis S. Gofas, 2007 - (RISSOIDAE)
- hydrobiaeformis, Cincinna hydrobiaeformis A.E.M. Cossmann, 1919 † - (VALVATIDAE) (FOSSIL)
- hydrobiarum, Omphalosagda hydrobiarum Jooss, 1911 † - (ARCHAEOZONITIDAE) (FOSSIL)
- hydrobiformis, Knightella hydrobiformis A. Nützel & Nakazawa, 2012 † - (ORTHONEMIDAE) (FOSSIL)
- HYDROBIIDAE Stimpson, 1865 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-TRUNCATELLOIDEA [Superfamily])
- hydrobioides, Amnicola hydrobioides C.M.F. Ancey, 1888 - syn of: Pyrgophorus hydrobioides (C.M.F. Ancey, 1888) - (AMNICOLIDAE)
- Hydrobioides, Genus Hydrobioides G. Nevill, 1884 (BITHYNIIDAE)
- hydrobioides, Pyrgophorus hydrobioides (C.M.F. Ancey, 1888) - (COCHLIOPIDAE)
- hydrobioides, Mohrensternia hydrobioides Hilber, 1897 † - (RISSOIDAE) (FOSSIL)
- hydrobiopsis, Corrosella hydrobiopsis H.D. Boeters, 1998 - (HYDROBIIDAE)
- hydrobiopsis, Belchatovia hydrobiopsis D. Kadolsky & Piechocki, 2000 † - (HYDROBIIDAE) (FOSSIL)
- hydrobium, Deroceras hydrobium H. Wagner, 1943 - (AGRIOLIMACIDAE)
- Hydrobius, syn of: Genus Hydrobia J.D.W. Hartmann, 1821 (HYDROBIIDAE)
- hydrobius, Liolytopelte hydrobius H. Wagner, 1943 - syn of: Deroceras moldavicum (A.V. Grossu & D. Lupu, 1961) - (LIMACIDAE)
- Hydrocena, Genus Hydrocena L. Pfeiffer, 1847 (HYDROCENIDAE)
- HYDROCENIDAE Troschel, 1857 (terr.) - Family (GASTROPODA-NERITIMORPHA [Subclass]-CYCLONERITIMORPHA [Order]-HYDROCENOIDEA [Superfamily])
- HYDROCOCCIDAE Thiele, 1928 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-TRUNCATELLOIDEA [Superfamily])
- Hydrococcus, Genus Hydrococcus K.H.J. Thiele, 1928 (HYDROCOCCIDAE)
- Hydroginella, Genus Hydroginella C.F. Laseron, 1957 (MARGINELLIDAE)
- Hydrognoma, syn of: Genus Thiara P.F. R๖ding, 1798 (THIARIDAE)
- Hydrolimax, syn of: Genus Deroceras C.S. Rafinesque, 1820 (AGRIOLIMACIDAE)
- Hydromyles, Genus Hydromyles J. von Gistel, 1848 (HYDROMYLIDAE)
- HYDROMYLIDAE Pruvot-Fol, 1942 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-GYMNOSOMATA [Order]-HYDROMYLOIDEA [Superfamily])
- hydrophana, Helicostyla hydrophana G.B. I Sowerby, 1841 - (BRADYBAENIDAE)
- hydrophana, Rissoella hydrophana A. Adams, 1860 - (RISSOELLIDAE)
- hydrophana, Bactrocoptis hydrophana (E. Chitty, 1853) - (UROCOPTIDAE)
- hydrophana veroderoana, Helicostyla hydrophana veroderoana P. Bartsch, 1932 - (BRADYBAENIDAE)
- hydrophanum, Buccinum hydrophanum A. Hancock, 1846 - (BUCCINIDAE)
- hydrophila, Vertigo hydrophila O.W.H. Reinhardt, 1877 - (VERTIGINIDAE)
- Hydrophrea, Genus Hydrophrea F.M. Climo, 1974 (HELICODISCIDAE)
- Hydrophrea, syn of: Genus Lucilla R.T. Lowe, 1852 (HELICODISCIDAE)
- Hydrophyga, syn of: Genus Succinea J.P.R. Draparnaud, 1801 (SUCCINEIDAE)
- hydropica, Corbula hydropica (T. Iredale, 1930) - (CORBULIDAE)
- Hydropsyche, syn of: Genus Elysia A. Risso, 1818 (PLAKOBRANCHIDAE)
- Hydrorissoia, Genus Hydrorissoia A.R.J.B. Bavay, 1895 (POMATIOPSIDAE)
- hydrorissoidea, Karelainia hydrorissoidea (P. Temcharoen, 1971) - (POMATIOPSIDAE)
- hydrotheca, Plicatula hydrotheca White, 1876 † - (PLICATULIDAE) (FOSSIL)
- hydrothermalis, Vulcanoctopus hydrothermalis A.F. Gonzalez & O. Guerra, 1998 - (ENTEROCTOPODIDAE)
- Hydrotribulus, Genus Hydrotribulus Wade , 1916 (BUCCINIDAE) (FOSSIL)
- Hydrotropa, syn of: Genus Oxyloma C.A. Westerlund, 1885 (SUCCINEIDAE)
- hydruntina, Hydrobia dubuissoni hydruntina D. Esu & O. Girotti, 2010 † - (HYDROBIIDAE) (FOSSIL)
- hydruntina, Cernuella hydruntina (W. Kobelt, 1883) - (HYGROMIIDAE)
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