- hecale, Straparollus hecale J.W. Hall, 1876 † - (EUOMPHALIDAE) (FOSSIL)
- hecartiana, Anodonta hecartiana É.A.A. Locard, 1884 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- Hecatoceras, Genus Hecatoceras Teichert & Glenister, 1952 † (WESTONOCERATIDAE) (FOSSIL)
- hecatorgnia, Bathytoma hecatorgnia (J.C. Verco, 1907) - (BORSONIIDAE)
- hecatorgnia, Drillia hecatorgnia J.C. Verco, 1907 - syn of: Bathytoma hecatorgnia (J.C. Verco, 1907) - (DRILLIIDAE)
- hecetae, Mangelia hecetae W.H. Dall & P. Bartsch, 1910 - (MANGELIIDAE)
- hecetaensis, Dentalium hecetaensis Rohr & al., 2006 † - (DENTALIIDAE) (FOSSIL)
- Hecetastoma, Genus Hecetastoma Rohr & Blodgett, 2008 † (ORIOSTOMATIDAE) (FOSSIL)
- hechiensis, Selenophaedusa spinifera hechiensis H. Nordsieck, 2012 - (CLAUSILIIDAE)
- hechuanensis, Pteria hechuanensis F.S. Xu, 1978 † - (PTERIIDAE) (FOSSIL)
- heckeli, Nevadotheca heckeli Malinky, 1988 † - (HYOLITHIDAE) (FOSSIL)
- heckeliana, Microtis heckeliana J.C.H. Crosse, 1871 - syn of: Microtis tuberculata H. Adams & A. Adams, 1850 - (TROCHIDAE)
- heckerae, Bathymodiolus heckerae R.D. Turner, R.G. Gustafson, R.A. Lutz & R.C. Vrijenhoek, 1998 - (MYTILIDAE)
- heckeri, Ukhtoceras heckeri P.A. Zhuravleva, 1972 † - syn of: Ukhtoceras uchtense (Holzapfel, 1899 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- heckeri, Ormoceras heckeri Teichert, 1930 † - (ORMOCERATIDAE) (FOSSIL)
- heckingi, Unio heckingi J.A.J. Colbeau, 1868 - syn of: Unio tumidus A. Retzius, 1788 - (UNIONIDAE)
- hecklei, Protodrepanostoma hecklei (B. Klika, 1891 †) - (HELICODONTIDAE) (FOSSIL)
- heckneri, Holandriana heckneri (Koch, 1917 †) - (PLEUROCERIDAE) (FOSSIL)
- hectica, Hastula hectica (C. Linnaeus, 1758) - (TEREBRIDAE)
- hectica, Metaxia hectica P. Lozouet, 1999 - (TRIPHORIDAE)
- hectica alba, Terebra hectica alba P. Dautzenberg, 1935 - syn of: Hastula hectica (C. Linnaeus, 1758) - (TEREBRIDAE)
- hectica fusca, Terebra hectica fusca P. Dautzenberg, 1935 - syn of: Hastula hectica (C. Linnaeus, 1758) - (TEREBRIDAE)
- hectica nimbosa, Terebra hectica nimbosa P. Dautzenberg, 1935 - syn of: Hastula hectica (C. Linnaeus, 1758) - (TEREBRIDAE)
- Hecticoceras, Genus Hecticoceras Bonarelli , 1893 † (OPPELIIDAE) (FOSSIL)
- Hecticoceratoides, Genus Hecticoceratoides Spath, 1924 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- hecticum, Buccinum hecticum C. Linnaeus, 1758 - syn of: Hastula hectica (C. Linnaeus, 1758) - (BUCCINIDAE)
- hecticus, Cantharus hecticus A. von Koenen, 1889 - (BUCCINIDAE)
- hecticus, Hecticoceras hecticus (Reinecke, 1818 †) - (OPPELIIDAE) (FOSSIL)
- Hectioceras, Genus Hectioceras † (AMMONOIDEA (unassigned)) (FOSSIL)
- Hectioceratoides, syn of: Genus Hecticoceratoides Spath, 1924 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- hector, Bostryx stelzneri hector E.L. Holmberg, 1919 - (BULIMULIDAE)
- hector, Gomphoceras hector (Billings †) - (DIESTOCERATIDAE) (FOSSIL)
- hector, Megalobulimus hector (L. Pfeiffer, 1857) - (MEGALOBULIMIDAE)
- hector, Phragmoceras hector Billings † - syn of: Gomphoceras hector (Billings †) - (PHRAGMOCERATIDAE) (FOSSIL)
- hectorguia, Bathytoma hectorguia J.C. Verco, 1907 - syn of: Bathytoma hecatorgnia (J.C. Verco, 1907) - (BORSONIIDAE)
- hectori, Batillaria hectori (G.F. Harris, 1897 †) - (BATILLARIIDAE) (FOSSIL)
- hectori, Helicostyla polillensis hectori L. Pfeiffer, 1861 - (BRADYBAENIDAE)
- hectori, Pleuromeris hectori Powell, 1938 † - (CARDITIDAE) (FOSSIL)
- hectori, Huonodon hectori (H.H. Suter, 1890) - (CHAROPIDAE)
- hectori, Charopa hectori H.H. Suter, 1890 - syn of: Huonodon hectori (H.H. Suter, 1890) - (CHAROPIDAE)
- hectori, Dimitocamax hectori (Stevens, 1965 †) - (DIMITOBELIDAE) (FOSSIL)
- hectori, Serrata hectori (T.W. Kirk, 1882 †) - (MARGINELLIDAE) (FOSSIL)
- hectori, Mitra hectori (F.W. Hutton, 1905 †) - (MITRIDAE) (FOSSIL)
- hectori, Kaparachlamys hectori (F.W. Hutton, 1873 †) - (PECTINIDAE) (FOSSIL)
- hectori, Pleurotomaria hectori C.T. Trechmann, 1918 † - (PLEUROTOMARIIDAE) (FOSSIL)
- hectori, Labio hectori F.W. Hutton, 1873 - syn of: Diloma subrostrata (J.E. Gray, 1835) - (TROCHIDAE)
- hectori, Costacallista hectori Finlay & J. Marwick, 1937 † - (VENERIDAE) (FOSSIL)
- hectoris, Viviparus hectoris (R. Hoernes, 1877 †) - (VIVIPARIDAE) (FOSSIL)
- hectorleanzai, Vaugonia hectorleanzai A.M. Pérez & al., 2008 † - (MYOPHORELLIDAE) (FOSSIL)
- Hectoroceras, Genus Hectoroceras Spath, 1947 † (POLYPTYCHITIDAE) (FOSSIL)
- Hecuba, Genus Hecuba H.C.F. Schumacher, 1817 (DONACIDAE)
- hecuba, Kylix hecuba (W.H. Dall, 1919) - (DRILLIIDAE)
- hecuba, Curtitoma hecuba P. Bartsch, 1941 - syn of: Curtitoma incisula (A.E. Verrill, 1882) - (MANGELIIDAE)
- hecuba, Turbonilla hecuba W.H. Dall & P. Bartsch, 1913 - (PYRAMIDELLIDAE)
- hedbergi, Tissotia hedbergi Benavides-Caceres, 1956 † - (TISSOTIIDAE) (FOSSIL)
- heddingtonensis, Pseudomelania heddingtonensis (Blake & Hudleston) † - (PSEUDOMELANIIDAE) (FOSSIL)
- Hedecardium, Genus Hedecardium Marwick, 1944 † (CARDIIDAE) (FOSSIL)
- hedeia, Fissurella hedeia A. de Rochebrune & J.F. Mabille, 1885 - syn of: Fissurella oriens G.B. I Sowerby, 1834 - (FISSURELLIDAE)
- hedeia, Hemicycla hedeia J.F. Mabille, 1882 - syn of: Adiverticula pouchet (A. Mousson, 1872) - (HELICIDAE)
- hedeius, Napaeus hedeius J.F. Mabille, 1883 - syn of: Napaeus helvolus (P.B. Webb & S. Berthelot, 1833) - (ENIDAE)
- hedeius, Allopeas hedeius (J.F. Mabille, 1887) - (SUBULINIDAE)
- hedeius, Unio hedeius J.F. Mabille, 1889 - syn of: Oxynaia micheloti hedeius (J.F. Mabille, 1889) - (UNIONIDAE)
- hedeius, Oxynaia micheloti hedeius (J.F. Mabille, 1889) - (UNIONIDAE)
- hedenborgi, Cristataria hedenborgi (L. Pfeiffer, 1850) - (CLAUSILIIDAE)
- hedenstroemi, Hedenstroemia hedenstroemi (Keyserling, 1845 †) - (LANCEOLITIDAE) (FOSSIL)
- Hedenstroemia, Genus Hedenstroemia Renz & Renz, 1948 † (LANCEOLITIDAE) (FOSSIL)
- HEDENSTROEMIIDAE Waagen, 1895 † - Family (CEPHALOPODA-AMMONOIDEA-CERATITIDA) (FOSSIL)
- hederacea, Stramonita hederacea H.C.F. Schumacher, 1817 - syn of: Nassa serta (J.G. Bruguière, 1789) - (MURICIDAE)
- hedgesi, Conus hedgesi G.B. III Sowerby, 1913 - syn of: Graphiconus iodostoma (L.A. Reeve, 1843) - (CONIDAE)
- hedgpethi, Discodoris hedgpethi Er. Marcus & Ev. Marcus, 1960 - syn of: Discodoris branneri (F.M. MacFarland, 1909) - (DISCODORIDIDAE)
- hedgpethi, Elysia hedgpethi Er. Marcus, 1961 - (PLAKOBRANCHIDAE)
- hedgpethi, Pleurobranchaea hedgpethi R.T. Abbott, 1952 - syn of: Pleurobranchaea inconspicua L.S.R. Bergh, 1897 - (PLEUROBRANCHAEIDAE)
- hedgpethi, Polycera hedgpethi Er. Marcus, 1964 - (POLYCERIDAE)
- hedgpethi gnupa, Polycera hedgpethi gnupa Er. Marcus & Ev. Marcus, 1967 - (POLYCERIDAE)
- hediae, Crassibougia hediae P. Stahlschmidt & K. Fraussen, 2012 - (FASCIOLARIIDAE)
- hedionda, Platyla hedionda (J.S. Torres, 2012) - (ACICULIDAE)
- hedista, Cerithiopsis hedista J.C. Melvill & R. Standen, 1896 - (CERITHIOPSIDAE)
- hedlandensis, Bathytoma hedlandensis D.L. Tippett & S. Kosuge, 1994 - (BORSONIIDAE)
- hedlandi, Semele hedlandi M. Huber, 2010 - (SEMELIDAE)
- Hedleya, Genus Hedleya J.C. Cox, 1892 (PUPINIDAE)
- hedleyana, Cinguloterebra hedleyana H.A. Pilsbry, 1905 - syn of: Cinguloterebra adamsii (E.A. Smith, 1873) - (TEREBRIDAE)
- Hedleyella, Genus Hedleyella T. Iredale, 1914 (CARYODIDAE)
- hedleyi, Anabathron hedleyi (H.H. Suter, 1908) - (ANABATHRIDAE)
- hedleyi, Scrobs hedleyi H.H. Suter, 1908 - syn of: Anabathron hedleyi (H.H. Suter, 1908) - (ANABATHRIDAE)
- hedleyi, Heliacus hedleyi T.A. Garrard, 1977 - syn of: Torinista cerdaleus (J.C. Melvill & R. Standen, 1903) - (ARCHITECTONICIDAE)
- hedleyi, Prosipho hedleyi A.W.B. Powell, 1958 - (BUCCINIDAE)
- hedleyi, Pisania hedleyi (T. Iredale, 1912) - (BUCCINIDAE)
- hedleyi, Calliostoma hedleyi G.B. Pritchard & J.H. Gatliff, 1902 - (CALLIOSTOMATIDAE)
- hedleyi, Calliostoma hedleyi P. Dautzenberg, 1925 - syn of: Calliostoma caroli P. Dautzenberg, 1927 - (CALLIOSTOMATIDAE)
- hedleyi, Sigapatella hedleyi (E.A. Smith, 1915) - (CALYPTRAEIDAE)
- hedleyi, Papuina hedleyi E.A. Smith, 1892 - (CAMAENIDAE)
- hedleyi, Semicassis hedleyi T. Iredale, 1927 - syn of: Semicassis royana hedleyi T. Iredale, 1927 - (CASSIDAE)
- hedleyi, Semicassis royana hedleyi T. Iredale, 1927 - (CASSIDAE)
- hedleyi, Cerithium hedleyi J.M.R.M. Viader, 1951 - (CERITHIIDAE)
- hedleyi, Joculator hedleyi C.F. Laseron, 1951 - (CERITHIOPSIDAE)
- hedleyi, Eatonina hedleyi W.F. Ponder & E.K. Yoo, 1980 - (CINGULOPSIDAE)
- hedleyi, Etrema hedleyi (W.R.B. Oliver, 1915) - (CLATHURELLIDAE)
- hedleyi, Oligozaptyx hedleyi H.A. Pilsbry, 1905 - (CLAUSILIIDAE)
- hedleyi, Zafra hedleyi (K.H.J. Thiele, 1930) - (COLUMBELLIDAE)
- hedleyi, Vexillum hedleyi R. Murdoch, 1905 - syn of: Peculator hedleyi (R. Murdoch, 1905) - (COSTELLARIIDAE)
- hedleyi, Dentalium hedleyi K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- hedleyi, Toledonia hedleyi A.W.B. Powell, 1958 - syn of: Toledonia major (C. Hedley, 1911) - (DIAPHANIDAE)
- hedleyi, Alloiodoris hedleyi O'Donoghue, 1924 - syn of: Sebadoris fragilis (J. Alder & A. Hancock, 1864) - (DISCODORIDIDAE)
- hedleyi, Splendrillia hedleyi F.E. Wells, 1990 - (DRILLIIDAE)
- hedleyi, Amaea hedleyi (M.E.A. de Boury, 1912) - (EPITONIIDAE)
- hedleyi, Acrilla hedleyi M.E.A. de Boury, 1912 - syn of: Amaea hedleyi (M.E.A. de Boury, 1912) - (EPITONIIDAE)
- hedleyi, Epitonium hedleyi M.E.A. de Boury, 1912 - syn of: Amaea hedleyi (M.E.A. de Boury, 1912) - (EPITONIIDAE)
- hedleyi, Marmarofusus hedleyi Snyder & W.G. Lyons, 2014 - (FASCIOLARIIDAE)
- hedleyi, Emarginula hedleyi K.H.J. Thiele, 1915 - syn of: Emarginula candida A. Adams, 1852 - (FISSURELLIDAE)
- hedleyi, Glacidorbis hedleyi T. Iredale, 1943 - (GLACIDORBIDAE)
- hedleyi, Glycymeris hedleyi Lamy, 1912 - (GLYCYMERIDIDAE)
- hedleyi, Panopea hedleyi H.J. Finlay, 1927 - syn of: Panopea australis (G.B. I Sowerby, 1833) - (HIATELLIDAE)
- hedleyi, Cytora hedleyi (H.H. Suter, 1894) - (LIAREIDAE)
- hedleyi, Munditia hedleyi (G.B. Pritchard & J.H. Gatliff, 1899) - (LIOTIIDAE)
- hedleyi, Phacoides hedleyi B. Prashad, 1932 - syn of: Cardiolucina civica (M. Yokoyama, 1927) - (LUCINIDAE)
- hedleyi, Volvarina hedleyi (W.L. May, 1911) - (MARGINELLIDAE)
- hedleyi, Granulina hedleyi F. Boyer, 2003 - (MARGINELLIDAE)
- hedleyi, Dacrydium hedleyi J.A. Allen, 1998 - (MYTILIDAE)
- hedleyi, Cellana hedleyi W.R.B. Oliver, 1915 - syn of: Cellana craticulata (H.H. Suter, 1905) - (NACELLIDAE)
- hedleyi, Nucinella hedleyi B.C. Cotton & F.C. Godfrey, 1938 - syn of: Nucinella dalli (C. Hedley, 1902) - (NUCINELLIDAE)
- hedleyi, Saccella hedleyi (C.A. Fleming, 1951) - (NUCULANIDAE)
- hedleyi, Pronucula hedleyi G.B. Pritchard & J.H. Gatliff, 1904 † - syn of: Nucula pusilla G.F. Angas, 1877 † - (NUCULIDAE) (FOSSIL)
- hedleyi, Nucula hedleyi G.B. Pritchard & J.H. Gatliff, 1904 † - syn of: Nucula pusilla G.F. Angas, 1877 † - (NUCULIDAE) (FOSSIL)
- hedleyi, Heteroglypta hedleyi T. Iredale, 1929 - syn of: Heteroglypta contraria (G.P. Deshayes in L. Maillard, 1863) - (PSAMMOBIIDAE)
- hedleyi, Soletellina hedleyi G.B. III Sowerby, 1907 - syn of: Hiatula alba (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- hedleyi, Inquisitor hedleyi (J.C. Verco, 1909) - (PSEUDOMELATOMIDAE)
- hedleyi, Epidirona hedleyi T. Iredale, 1931 - (PSEUDOMELATOMIDAE)
- hedleyi, Glyptopupoides hedleyi (H.A. Pilsbry, 1920) - (PUPILLIDAE)
- hedleyi, Turbonilla hedleyi (C.F. Laseron, 1951) - (PYRAMIDELLIDAE)
- hedleyi, Pontiothauma hedleyi R.K. Dell, 1990 - (RAPHITOMIDAE)
- hedleyi, Veprecula hedleyi (J.C. Melvill, 1904) - (RAPHITOMIDAE)
- hedleyi, Alvania hedleyi K.H.J. Thiele, 1930 - (RISSOIDAE)
- hedleyi, Sepia hedleyi S.S. Berry, 1918 - (SEPIIDAE)
- hedleyi, Cinguloterebra hedleyi H.A. Pilsbry, 1904 - syn of: Cinguloterebra adamsii (E.A. Smith, 1873) - (TEREBRIDAE)
- hedleyi, Cinguloterebra hedleyi R. Tate, 1901 - syn of: Cinguloterebra adamsii (E.A. Smith, 1873) - (TEREBRIDAE)
- hedleyi, Terebra hedleyi H.A. Pilsbry, 1904 - syn of: Cinguloterebra adamsii (E.A. Smith, 1873) - (TEREBRIDAE)
- hedleyi, Nausitora hedleyi M.M. Schepman, 1919 - (TEREDINIDAE)
- hedleyi, Laciniorbis hedleyi T. Iredale, 1931 - (TORNIDAE)
- hedleyi, Magnosinister hedleyi C.F. Laseron, 1954 - (TRIPHORIDAE)
- hedleyi, Columbarium hedleyi T. Iredale, 1936 - (TURBINELLIDAE)
- hedleyi, Vermicularia hedleyi C.C. Finlay, 1927 - syn of: Vermicularia nodosa C. Hedley, 1907 - (TURRITELLIDAE)
- hedleyi, Serpulorbis hedleyi C.C. Finlay, 1927 - syn of: Vermicularia nodosa C. Hedley, 1907 - (VERMETIDAE)
- hedleyi, Veronicella hedleyi H.R. Simroth, 1889 - syn of: Sarasinula plebeia (H. Fischer, 1898) - (VERONICELLIDAE)
- hedleyi, Gastrocopta hedleyi H.A. Pilsbry, 1917 - (VERTIGINIDAE)
- hedleyi, Cylindrovertilla hedleyi H.A. Pilsbry, 1920 - (VERTIGINIDAE)
- hedleyi, Amoria hedleyi T. Iredale, 1914 - syn of: Amoria damonii J.E. Gray, 1864 - (VOLUTIDAE)
- hedleyi, Alcithoe hedleyi R. Murdoch & H.H. Suter, 1906 - syn of: Alcithoe fusus hedleyi (R. Murdoch & H.H. Suter, 1906) - (VOLUTIDAE)
- hedleyi, Alcithoe fusus hedleyi (R. Murdoch & H.H. Suter, 1906) - (VOLUTIDAE)
- hedleyi, Peculator hedleyi (R. Murdoch, 1905) - (VOLUTOMITRIDAE)
- hedleyi, Stosicia hedleyi (R. Tate, 1899) - (ZEBINIDAE)
- hedleyi, Zerotula hedleyi (M.K. Mestayer, 1916) - (ZEROTULIDAE)
- hedleyi corrugata, Cellana hedleyi corrugata W.R.B. Oliver, 1915 - syn of: Cellana craticulata (H.H. Suter, 1905) - (NACELLIDAE)
- hedleyi hyperodonta, Oligozaptyx hedleyi hyperodonta (H.A. Pilsbry, 1908) - (CLAUSILIIDAE)
- hedleyi morioria, Saccella hedleyi morioria R.K. Dell, 1956 - syn of: Saccella hedleyi (C.A. Fleming, 1951) - (NUCULANIDAE)
- Hedleyoconcha, Genus Hedleyoconcha H.A. Pilsbry, 1893 (CHAROPIDAE)
- Hedleytriphora, Genus Hedleytriphora B.A. Marshall, 1983 (TRIPHORIDAE)
- hedongensis, Schizodus hedongensis H.X. Liu, 1976 † - (SCHIZODIDAE) (FOSSIL)
- hedonica, Hemicycla hedonica J.F. Mabille, 1882 - syn of: Hemicycla bidentalis (J.B.P.A. Lamarck, 1811) - (HELICIDAE)
- hedstroemi, Phragmoceras hedstroemi Foerste, 1929 † - (PHRAGMOCERATIDAE) (FOSSIL)
- Hedstroemoceras, Genus Hedstroemoceras Foerste, 1930 † (BALTOCERATIDAE) (FOSSIL)
- hedui, Neocyclotus hedui (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- hedwigiae, Cerion hedwigiae H.P. Plate, 1907 - (CERIONIDAE)
- hedya, Daphnella hedya J.C. Melvill & R. Standen, 1903 - (RAPHITOMIDAE)
- hedybia, Hemicycla hedybia (J.F. Mabille, 1882) - (HELICIDAE)
- hedychra, Neptunea hedychra K. Fraussen & Y. Terryn, 2007 - (BUCCINIDAE)
- Hedyle, syn of: Genus Hedylopsis K.H.J. Thiele, 1931 (HEDYLOPSIDAE)
- HEDYLOPSIDAE Odhner, 1952 - Family (GASTROPODA-HETEROBRANCHIA-OPISTHOBRANCHIA-ACOCHLIDIACEA)
- Hedylopsis, Genus Hedylopsis K.H.J. Thiele, 1931 (HEDYLOPSIDAE)
- heeri, Prorasenia heeri (Moesch, 1867 †) - (AULACOSTEPHANIDAE) (FOSSIL)
- heeri, Omphaloptycha heeri E.A.L. Kittl, 1894 † - (COELOSTYLINIDAE) (FOSSIL)
- heerianus, Amphidromus heerianus L. Pfeiffer, 1871 - (CAMAENIDAE)
- heerianus poecillus, Amphidromus heerianus poecillus (W.S.S. Van Benthem-Jutting, 1941) - (CAMAENIDAE)
- heerianus robustus, Amphidromus heerianus robustus H.C. Fulton, 1896 - (CAMAENIDAE)
- heermanni, Pycnodonte heermanni (T.A. Conrad, 1855 †) - (GRYPHAEIDAE) (FOSSIL)
- heermanni, Ostrea heermanni T.A. Conrad, 1855 † - syn of: Pycnodonte heermanni (T.A. Conrad, 1855 †) - (OSTREIDAE) (FOSSIL)
- heermannii, Unio heermannii I. Lea, 1862 - syn of: Cyrtonaias tampicoensis (I. Lea, 1838) - (UNIONIDAE)
- hefengense, Altudoceras hefengense F.S. Xu, 1977 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- Hefengnautilus, Genus Hefengnautilus Xu , 1977 † (TAINOCERATIDAE) (FOSSIL)
- heffordi, Ostrea heffordi H.J. Finlay, 1928 - syn of: Ostrea chilensis R.A. Philippi, 1844 - (OSTREIDAE)
- Hefteria, Genus Hefteria Dahmer, 1948 † (TRIGONIIDA (unassigned)) (FOSSIL)
- Hegaratella, Subgenus Berriasella (Hegaratella) Hoedemaeker, 2016 † (NEOCOMITIDAE) (FOSSIL)
- hegarati, Pseudosubplanites hegarati Hoedemaeker, 2016 † - (NEOCOMITIDAE) (FOSSIL)
- hegeduesi, Ampullotrochus hegeduesi Baldi, 1973 † - (CALLIOSTOMATIDAE) (FOSSIL)
- hegewischi, Mesembrinus hegewischi (L. Pfeiffer, 1842) - (BULIMULIDAE)
- hegewischi, Oligostylus hegewischi (P. Bartsch, 1947) - (UROCOPTIDAE)
- hegewischii, Cerithidea mazatlanica hegewischii (R.A. Philippi, 1848) - (POTAMIDIDAE)
- hegewischii californica, Cerithidea mazatlanica hegewischii californica (S.S. Haldeman, 1840) - (POTAMIDIDAE)
- heguraensis, Euhadra quaesita heguraensis J.T. Kuroda & N. Tan, 1936 - (BRADYBAENIDAE)
- hehlii, Turritella hehlii Klipstein, 1843 † - syn of: Protorcula subpunctata (Münster, 1841 †) - (TURRITELLIDAE) (FOSSIL)
- hehuensis, Cipangopaludina hehuensis Lu, Fang & Du, 2016 - (VIVIPARIDAE)
- heibergensis, Heibergites heibergensis (Tozer, 1962 †) - (PROPTYCHITIDAE) (FOSSIL)
- heibergensis, Bilinguites heibergensis Nassichuk, 1975 † - (RETICULOCERATIDAE) (FOSSIL)
- Heibergites, Genus Heibergites Tozer , 1994 † (PROPTYCHITIDAE) (FOSSIL)
- Heida, syn of: Genus Odostomia J. Fleming, 1813 (PYRAMIDELLIDAE)
- heideae, Moitessieria heideae H.D. Boeters & G. Falkner, 2003 - (MOITESSIERIIDAE)
- heideckeri, Heideckernema heideckeri (Cook, 1997 †) - (LOXONEMATIDAE) (FOSSIL)
- heideckeri, Trinema heideckeri Cook, 1997 † - (TURRITELLIDAE) (FOSSIL)
- Heideckernema, Genus Heideckernema Cook, 1998 † (LOXONEMATIDAE) (FOSSIL)
- Heideella, Genus Heideella W. Backhuys & H.D. Boeters, 1974 (HYDROBIIDAE)
- heidelbergerae, Farewellia heidelbergerae Frýda & Blodgett, 2004 † - (FAREWELLIIDAE) (FOSSIL)
- heidelbergeri, Ulungaratoconcha heidelbergeri Blodgett & Cook, 2002 † - (CHEENEETNUKIIDAE) (FOSSIL)
- Heidelbergeria, Genus Heidelbergeria Krawczyński, 2006 † (ELASMONEMATIDAE) (FOSSIL)
- heidemariae, Valvata heidemariae Willmann, 1981 † - (VALVATIDAE) (FOSSIL)
- heidemariae willmanni, Valvata heidemariae willmanni T.A. Neubauer, M. Harzhauser, A. Kroh, E. Georgopoulou & O. Mandic, - (VALVATIDAE) (FOSSIL)
- heidkeae, Spondylus heidkeae K.L. Lamprell & J.M. Healy, 2001 - (SPONDYLIDAE)
- heighwayana, Oxyrhombus heighwayana W.H. Dall, 1909 - (HELICINIDAE)
- heikae, Enotepteron heikae G.D. Brodie, A. Klussmann-Kolb & T.M. Gosliner, 2001 - (GASTROPTERIDAE)
- Heikea, Genus Heikea Isberg, 1934 † (CYRTODONTIDAE) (FOSSIL)
- heikeae, Enotepteron heikeae G.D. Brodie, A. Klussmann-Kolb & T.M. Gosliner, 2001 - syn of: Enotepteron heikae G.D. Brodie, A. Klussmann-Kolb & T.M. Gosliner, 2001 - (GASTROPTERIDAE)
- heilprini, Cerithioclava heilprini (W.H. Dall, 1892 †) - (CERITHIIDAE) (FOSSIL)
- heilprini, Chama heilprini C. Linnaeus, 1758 † - (CHAMIDAE) (FOSSIL)
- heilprini, Contraconus heilprini E.J. Petuch, 1994 † - syn of: Contraconus adversarius (T.A. Conrad, 1840 †) - (CONIDAE) (FOSSIL)
- heilprini, Armimiltha heilprini (Gardner, 1926 †) - (LUCINIDAE) (FOSSIL)
- heilprini, Mitra heilprini A.E.M. Cossmann, 1899 † - syn of: Pleioptygma heilprini (A.E.M. Cossmann, 1899 †) - (MITRIDAE) (FOSSIL)
- heilprini, Panamurex heilprini (A.E.M. Cossmann, 1903 †) - (MURICIDAE) (FOSSIL)
- heilprini, Pleioptygma heilprini (A.E.M. Cossmann, 1899 †) - (PLEIOPTYGMATIDAE) (FOSSIL)
- heilprini, Turbonilla heilprini K.J. Bush, 1899 - (PYRAMIDELLIDAE)
- heilprini, Schistoceras heilprini Miller & M.J. Faber, 1892 † - syn of: Schistoceras missouriense Miller & M.J. Faber, 1892 † - (SCHISTOCERATIDAE) (FOSSIL)
- heilprini, Setidiscus heilprini (H.A. Pilsbry, 1926) - (THYSANOPHORIDAE)
- heilprini, Pseudotoma heilprini (T.H. Aldrich, 1885 †) - (TURRIDAE) (FOSSIL)
- heilprini, Meretrix nuttalliopsis heilprini K.V.W. Palmer, 1929 † - (VENERIDAE) (FOSSIL)
- Heilprinia, Genus Heilprinia Grabau, 1900 † (FASCIOLARIIDAE) (FOSSIL)
- Heilprinia, syn of: Genus Fusinus C.S. Rafinesque, 1815 (FASCIOLARIIDAE)
- heilprinianus, Bulimulus heilprinianus W.H. Dall, 1890 † - syn of: Tocobaga floridanus (T.A. Conrad, 1846 †) - (BULIMULIDAE) (FOSSIL)
- heilprinii, Zonaria heilprinii W.H. Dall, 1890 † - (CYPRAEIDAE) (FOSSIL)
- heimburgi, Eumecostylus hargravesi heimburgi W. Kobelt, 1891 - (BOTHRIEMBRYONTIDAE)
- heimburgi, Astralium heimburgi (R.W. Dunker, 1882) - (TURBINIDAE)
- heimburgi, Uvanilla heimburgi R.W. Dunker, 1882 - syn of: Astralium heimburgi (R.W. Dunker, 1882) - (TURBINIDAE)
- heimeri, Colpomya heimeri Liljedahl, 1994 † - (MODIOMORPHIDAE) (FOSSIL)
- heimi, Liotia heimi A.M. Strong & L.G. Hertlein, 1939 - syn of: Parviturbo stearnsii (W.H. Dall, 1918) - (LIOTIIDAE)
- heimi, Cymia heimi L.G. Hertlein, 1927 † - (MURICIDAE) (FOSSIL)
- heimi, Eunaticina heimi H.K. Jordan & L.G. Hertlein, 1934 - (NATICIDAE)
- heimi, Pecten heimi L.G. Hertlein, 1925 - syn of: Euvola vogdesi (R. Arnold, 1906) - (PECTINIDAE)
- heinemani, Gervillia heinemani Stoyanow, 1949 † - (MYALINIDAE) (FOSSIL)
- heinickei, Mitra heinickei R. Salisbury & E.G. Guillot de Suduiraut, 2003 - (MITRIDAE)
- heinricherbeni, Gyroceratites heinricherbeni De Baets & al., 2013 † - (MIMOCERATIDAE) (FOSSIL)
- heinrichhuberi, Amphidromus heinrichhuberi Thach & Huber, 2016 - (CAMAENIDAE)
- Heinrichites, syn of: Genus Malayites Welter , 1914 † (JUVAVITIDAE) (FOSSIL)
- heintzi, Eoasmussia heintzi T. Soot-Ryen, 1960 † - (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- heintzi, Geisonoceras heintzi E. Strand, 1934 † - (GEISONOCERATIDAE) (FOSSIL)
- Heinzia, Genus Heinzia Sayn, 1890 † (PULCHELLIIDAE) (FOSSIL)
- heisei, Turbo heisei A.C.G. Prado, 1999 - (TURBINIDAE)
- hekitoensis, Sanguinolites hekitoensis Hoare, 2007 † - (SANGUINOLITIDAE) (FOSSIL)
- heladum, Caecum heladum A.A. Olsson & A. Harbison, 1953 - syn of: Caecum multicostatum L. de Folin, 1867 - (CAECIDAE)
- helblingi, Barbatia helblingi (J.G. Bruguière, 1789 †) - (ARCIDAE) (FOSSIL)
- helblingii, Barbatia candida helblingii (J.G. Bruguière, 1789) - (ARCIDAE)
- helcinia, Umbotropis helcinia (Lindström, 1884 †) - (GOSSELETINIDAE) (FOSSIL)
- helcinum, Oriostoma helcinum Lindström, 1884 † - syn of: Morphotropis helicina (Lindström, 1884 †) - (ORIOSTOMATIDAE) (FOSSIL)
- helcion, Brancoceras helcion (Reynes, 1876 †) - (BRANCOCERATIDAE) (FOSSIL)
- Helcion, Genus Helcion P.D. Montfort, 1810 (PATELLIDAE)
- Helcionella, Genus Helcionella Grabau & Shimer, 1909 † (HELCIONELLIDAE) (FOSSIL)
- HELCIONELLIDAE Wenz, 1938 † - Family (HELCIONELLOIDA-ARCHAEOBRANCHIA-HELCIONELLIFORMES) (FOSSIL)
- HELCIONELLOIDEA (UNASSIGNED) - Family (HELCIONELLOIDA-ARCHAEOBRANCHIA-HELCIONELLIFORMES) (FOSSIL)
- Helcioniscus, syn of: Genus Cellana H. Adams, 1869 (NACELLIDAE)
- Helcionopsis, Genus Helcionopsis Ulrich & Scofield, 1897 † (TRYBLIDIIDAE) (FOSSIL)
- heldi, Vertigo heldi S. Clessin, 1877 - (VERTIGINIDAE)
- Heldia, syn of: Subgenus Trochoidea (Xerocrassa) T.A. de M. Monterosato, 1892 (HYGROMIIDAE)
- heldii, Bythiospeum heldii (S. Clessin, 1909) - (HYDROBIIDAE)
- heldii, Unio heldii H.C. Küster, 1854 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- heldreichi, Thiessea heldreichi (L. Pfeiffer, 1846) - (HELICIDAE)
- heldreichi, Melanopsis gorceixi heldreichi M. von Neumayr, 1880 † - (MELANOPSIDAE) (FOSSIL)
- heldreichi, Theodoxus heldreichi (E.C. Von Martens, 1879) - (NERITIDAE)
- heldreichi, Pisidium heldreichi S. Clessin, 1877 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- heldreichi fluvicola, Theodoxus heldreichi fluvicola H. Schütt & R. Sesen, 1992 - (NERITIDAE)
- heldreichii, Xestopyrguloides heldreichii (A. Fuchs, 1877 †) - (HYDROBIIDAE) (FOSSIL)
- Heledone, syn of: Genus Eledone W.E. Leach, 1817 (OCTOPODIDAE)
- helena, Perdicella helena (W. Newcomb, 1853) - (ACHATINELLIDAE)
- helena, Leptachatina helena (W. Newcomb) - (AMASTRIDAE)
- helena, Bellerophon helena J.W. Hall, 1879 † - (BELLEROPHONTIDAE) (FOSSIL)
- helena, Clea helena (R.A. Philippi, 1847) - (BUCCINIDAE)
- helena, Strophiops helena C.J. Maynard, 1914 - syn of: Cerion glans H.C. Küster, 1844 - (CERIONIDAE)
- helena, Clavatula helena P. Bartsch, 1915 - (CLAVATULIDAE)
- helena, Zemitrella helena (K.H.J. Thiele, 1925) - (COLUMBELLIDAE)
- helena, Mitrella helena K.H.J. Thiele, 1925 - syn of: Zemitrella helena (K.H.J. Thiele, 1925) - (COLUMBELLIDAE)
- helena, Columbella helena W.H. Turton, 1932 - syn of: Anachis kraussii (G.B. I Sowerby, 1844) - (COLUMBELLIDAE)
- helena, Pusia helena (P. Bartsch, 1915) - (COSTELLARIIDAE)
- helena, Paraliospira helena (Billings, 1860 †) - (EOTOMARIIDAE) (FOSSIL)
- helena, Melanella helena K.H.J. Thiele, 1930 - syn of: Melanella aciculata (W.H. Pease, 1861) - (EULIMIDAE)
- helena, Pyrgocythara helena (W.H. Dall, 1919) - (MANGELIIDAE)
- helena, Hyalina helena (K.H.J. Thiele, 1925) - (MARGINELLIDAE)
- helena, Mitra helena P. Bartsch, 1915 - syn of: Pusia helena (P. Bartsch, 1915) - (MITRIDAE)
- helena, Purpura helena J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Stramonita rustica (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- Helena, syn of: Genus Partula A.E.J. Férussac, 1821 (PARTULIDAE)
- helena, Patella helena W.H. Turton, 1932 - syn of: Helcion concolor (C.F.F. von Krauss, 1848) - (PATELLIDAE)
- helena, Odostomia helena P. Bartsch, 1912 - (PYRAMIDELLIDAE)
- helena, Turbonilla helena K.H.J. Thiele, 1925 - syn of: Turbonilla indonesiae J.J. Van Aartsen & J.X. Corgan, 1996 - (PYRAMIDELLIDAE)
- helena, Pleurotomella helena K.H.J. Thiele, 1925 - (RAPHITOMIDAE)
- helena, Powellisetia helena (W.H. Turton, 1932) - (RISSOIDAE)
- helena, Rissoina helena P. Bartsch, 1915 - (RISSOINIDAE)
- helena, Chilonopsis helena (J.R.C. Quoy & J.P. Gaimard, 1833) - (SUBULINIDAE)
- helena, Melania helena R.A. Philippi, 1847 - syn of: Clea helena (R.A. Philippi, 1847) - (THIARIDAE)
- helena, Hemisinus helena R.A. Philippi, 1847 - syn of: Clea helena (R.A. Philippi, 1847) - (THIARIDAE)
- helena, Triphora helena P. Bartsch, 1915 - (TRIPHORIDAE)
- helena balteata, Perdicella helena balteata H.A. Pilsbry & C.M. Cooke, 1912 - (ACHATINELLIDAE)
- helenae, Bathytoma helenae R.N. Kilburn, 1974 - (BORSONIIDAE)
- helenae, Chauvetia helenae E.A. Smith, 1890 - (BUCCINIDAE)
- helenae, Euthria helenae E. Rolán, A. Monteiro & K. Fraussen, 2003 - (BUCCINIDAE)
- helenae, Onithochiton helenae (D.C. Mackay, 1933) - (CHITONIDAE)
- helenae, Onithochiton helenae Sirenko, 2016 - (CHITONIDAE)
- helenae, Alopia helenae (R. von Kimakowicz, 1928) - (CLAUSILIIDAE)
- helenae, Delima latilabris helenae (H.C. Küster, 1876) - (CLAUSILIIDAE)
- helenae, Cosmioconcha helenae (F.H.A. Costa, 1983) - (COLUMBELLIDAE)
- helenae, Nassarina helenae A.M. Keen, 1971 - (COLUMBELLIDAE)
- helenae, Prenkites helenae Renz & Renz, 1948 † - (COLUMBITIDAE) (FOSSIL)
- helenae, Cuneocorbula helenae C.J. Maury, 1912 † - (CORBULIDAE) (FOSSIL)
- helenae, Erosaria helenae W.R. Steadman & B.C. Cotton, 1943 - syn of: Erosaria labrolineata helenae S.R. Roberts, 1869 - (CYPRAEIDAE)
- helenae, Erosaria labrolineata helenae S.R. Roberts, 1869 - (CYPRAEIDAE)
- helenae, Diaphera helenae J.J. Vermeulen, 1990 - (DIAPHERIDAE)
- helenae, Echinofulgur helenae A.A. Olsson, 1967 † - (ECHINOFULGURIDAE) (FOSSIL)
- helenae, Fusinus helenae P. Bartsch, 1939 - (FASCIOLARIIDAE)
- helenae, Eocithara helenae D. Merle & J.M. Pacaud, 2004 † - (HARPIDAE) (FOSSIL)
- helenae, Helicarion helenae H.H. Godwin-Austen, 1883 - (HELICARIONIDAE)
- helenae, Codringtonia helenae P. Subai, 2005 - (HELICIDAE)
- helenae, Drepanostoma helenae G. Manganelli & F.L. Giusti, 2000 † - (HELICODONTIDAE) (FOSSIL)
- helenae, Frechiella helenae Renz, 1925 † - (HILDOCERATIDAE) (FOSSIL)
- helenae, Leukadiella helenae Renz, 1913 † - (HILDOCERATIDAE) (FOSSIL)
- helenae, Lasaea helenae T. Soot-Ryen, 1959 - syn of: Lasaea petitiana (C.A. Récluz, 1843) - (LASAEIDAE)
- helenae, Echinolittorina helenae (E.A. Smith, 1890) - (LITTORINIDAE)
- helenae, Nodilittorina helenae E.A. Smith, 1890 - syn of: Echinolittorina helenae (E.A. Smith, 1890) - (LITTORINIDAE)
- helenae, Littorina helenae E.A. Smith, 1890 - syn of: Echinolittorina helenae (E.A. Smith, 1890) - (LITTORINIDAE)
- helenae, Volvarina helenae J. Espinosa & J.A. Ortea, 2003 - (MARGINELLIDAE)
- helenae, Zenoites helenae Renz & Renz, 1948 † - (MELAGATHICERATIDAE) (FOSSIL)
- helenae, Babelomurex helenae (M. Azuma, 1973) - (MURICIDAE)
- helenae, Purpurellus helenae B.M. Landau, 1984 † - (MURICIDAE) (FOSSIL)
- helenae, Aspella helenae R. Houart & J. Tröndlé, 2008 - (MURICIDAE)
- helenae, Murex helenae A.H. Verrill, 1953 - syn of: Pterochelus ariomus W.J. Clench & I. Pérez Farfante, 1945 - (MURICIDAE)
- helenae, Latiaxis helenae M. Azuma, 1973 - syn of: Babelomurex helenae (M. Azuma, 1973) - (MURICIDAE)
- helenae, Cuspivolva helenae (C.N. Cate, 1973) - (OVULIDAE)
- helenae, Primovula helenae C.N. Cate, 1973 - syn of: Cuspivolva helenae (C.N. Cate, 1973) - (OVULIDAE)
- helenae, Cycloclymenia helenae Renz, 1914 † - (PHENACOCERATIDAE) (FOSSIL)
- helenae, Pleioptygma helenae (G.E. Radwin & L.J.&A. Bibbey, 1972) - (PLEIOPTYGMATIDAE)
- helenae, Gari helenae (A.A. Olsson, 1961) - (PSAMMOBIIDAE)
- helenae, Dysmea helenae A.A. Olsson, 1961 - syn of: Gari helenae (A.A. Olsson, 1961) - (PSAMMOBIIDAE)
- helenae, Cingula helenae W.F. Ponder, 1985 - (RISSOIDAE)
- helenae, Rissoina helenae E.A. Smith, 1890 - syn of: Schwartziella helenae (E.A. Smith, 1890) - (RISSOINIDAE)
- helenae, Duplicaria helenae (R.B. Hinds, 1844) - (TEREBRIDAE)
- helenae, Terebra helenae B.C. Cotton, 1952 - syn of: Duplicaria fictilis (R.B. Hinds, 1844) - (TEREBRIDAE)
- helenae, Muensterites helenae Renz, 1911 † - (TRACHYCERATIDAE) (FOSSIL)
- helenae, Globivenus helenae (E. Fischer-Piette, 1975) - (VENERIDAE)
- helenae, Pitar helenae A.A. Olsson, 1961 - (VENERIDAE)
- helenae, Venus helenae E. Fischer-Piette, 1975 - syn of: Globivenus helenae (E. Fischer-Piette, 1975) - (VENERIDAE)
- helenae, Schwartziella helenae (E.A. Smith, 1890) - (ZEBINIDAE)
- helenae ciucasiana, Alopia helenae ciucasiana A.V. Grossu, 1969 - (CLAUSILIIDAE)
- helenae interjecta, Alopia helenae interjecta H. Nordsieck, 1984 - (CLAUSILIIDAE)
- helenae italica, Cycloclymenia helenae italica Renz, 1914 † - (PHENACOCERATIDAE) (FOSSIL)
- helenae silesiaca, Cycloclymenia helenae silesiaca Renz, 1914 † - (PHENACOCERATIDAE) (FOSSIL)
- heleneae, Minioniella heleneae Fraussen & Stahlschmidt, 2016 - (BUCCINIDAE)
- heleneae, Vexillum heleneae (M. Herrmann, G. Stossier & R. Salisbury, 2014) - (COSTELLARIIDAE)
- heleneae, Protoelongata heleneae M. Herrmann, G. Stossier & R. Salisbury, 2014 - syn of: Vexillum heleneae (M. Herrmann, G. Stossier & R. Salisbury, 2014) - (COSTELLARIIDAE)
- Helenella, syn of: Subgenus Mitromorpha (Mitrolumna) M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883 (MITROMORPHIDAE)
- helenensis, Tenaturris helenensis E.A. Smith, 1884 - syn of: Tenaturris gemma (E.A. Smith, 1884) - (MANGELIIDAE)
- helenica, Janssenia helenica (M. Harzhauser & T. Kowalke 2001 †) - (MURICIDAE) (FOSSIL)
- Helenites, Genus Helenites Zhuravleva, 1962 † (ACTINOCERATIDAE) (FOSSIL)
- helenkingae, Helicarion helenkingae P.H. Scott, 1995 - (HELICARIONIDAE)
- Helenoconcha, Genus Helenoconcha H.A. Pilsbry, 1892 (CHAROPIDAE)
- Helenodiscus, Genus Helenodiscus G.A. Solem, 1977 (CHAROPIDAE)
- Helenopupa, Subgenus Nesopupa (Helenopupa) H.A. Pilsbry & C.M. Cooke, 1920 (VERTIGINIDAE)
- Helenostylina, Genus Helenostylina Kaim & al., 2006 † (COELOSTYLINIDAE) (FOSSIL)
- Heleobia, Genus Heleobia W. Stimpson, 1865 (COCHLIOPIDAE)
- Heleobops, Genus Heleobops F.G. Thompson, 1969 (COCHLIOPIDAE)
- Helerigone, syn of: Genus Chloritis H.H. Beck, 1837 (CAMAENIDAE)
- helga, Spurlingia helga T. Iredale, 1937 - syn of: Spurlingia dunkiensis (E. Forbes, 1851) - (CAMAENIDAE)
- helga, Eatoniella helga (P. Bartsch, 1915) - (EATONIELLIDAE)
- helga, Mangelia helga P. Bartsch, 1915 - (MANGELIIDAE)
- helga, Odostomia helga W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- helgae, Asprella helgae (M. Blöcher, 1992) - (CONIDAE)
- helgoeyense, Hoeloceras helgoeyense Sweet, 1958 † - (LAMBEOCERATIDAE) (FOSSIL)
- helgoeyense, Rhynchorthoceras helgoeyense Sweet, 1958 † - (SINOCERATIDAE) (FOSSIL)
- helgolandica, Philinoglossa helgolandica H. Hertling, 1932 - (PHILINOGLOSSIDAE)
- helgoyense, Lambeoceras helgoyense Sweet, 1958 † - (GONIOCERATIDAE) (FOSSIL)
- heliaca, Latiala heliaca Saul, 1998 † - (APORRHAIDAE) (FOSSIL)
- heliaca, Helix heliaca D'Orbigny, 1835 - (HELICIDAE)
- heliacum, Astralium heliacum R.A. Philippi, 1850 - syn of: Lithopoma phoebium (P.F. Röding, 1798) - (TURBINIDAE)
- Heliacus, Genus Heliacus D'Orbigny, 1842 (ARCHITECTONICIDAE)
- heliacus, Aequipecten heliacus (W.H. Dall, 1925) - (PECTINIDAE)
- heliacus, Solaropsis heliacus (D'Orbigny, 1837) - (PLEURODONTIDAE)
- heliacus cicatricosum, Solaropsis heliacus cicatricosum (H.E. Anton, 1838) - (PLEURODONTIDAE)
- helianthus, Liguus fasciatus helianthus W.J. Clench, 1934 - (ORTHALICIDAE)
- Helicacanthus, Genus Helicacanthus Pan, 1977 † (PLEUROCERIIDAE) (FOSSIL)
- helicaformis, Goniasma helicaformis Sayre, 1930 † - (GONIASMATIDAE) (FOSSIL)
- Helicamastra, syn of: Genus Tropidoptera C.M.F. Ancey, 1889 (AMASTRIDAE)
- Helicancylus, Genus Helicancylus Gabb, 1869 † (ANCYLOCERATIDAE) (FOSSIL)
- Helicarion, Genus Helicarion A.E.J. Férussac, 1821 (HELICARIONIDAE)
- HELICARIONIDAE Bourguignat, 1877 - Family (GASTROPODA-HETEROBRANCHIA-PULMONATA-STYLOMMATOPHORA)
- Helicarium, syn of: Genus Helicarion A.E.J. Férussac, 1821 (HELICARIONIDAE)
- Helicarius, syn of: Genus Heliacus D'Orbigny, 1842 (ARCHITECTONICIDAE)
- Helicaulax, Genus Helicaulax Gabb, 1868 (APORRHAIDAE)
- helicella, Theba subdentata helicella W. Wood, 1828 - (HELICIDAE)
- helicella, Pseudamnicola helicella (C.L.F. von Sandberger, 1859 †) - (HYDROBIIDAE) (FOSSIL)
- Helicella, Genus Helicella A.E.J. Férussac, 1821 (HYGROMIIDAE)
- helicella, Akritogyra helicella A. Warén, 1993 - (SEGUENZIOIDEA (unassigned))
- HELICELLIDAE - syn of Family: HYGROMIIDAE
- helichrysum, Terebra helichrysum J.C. Melvill & R. Standen, 1903 - (TEREBRIDAE)
- helicialis, Limacina helicialis J.B.P.A. Lamarck, 1819 - syn of: Limacina helicina (C.J. Phipps, 1774) - (LIMACINIDAE)
- HELICIDAE Rafinesque, 1815 - Family (GASTROPODA-HETEROBRANCHIA-PULMONATA-STYLOMMATOPHORA)
- Heliciella, syn of: Genus Danilia Š. Brusina, 1865 (CHILODONTIDAE)
- heliciforma, Hemizyga heliciforma Batten, 1966 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- heliciformis, Tropidoptera heliciformis C.M.F. Ancey, 1890 - (AMASTRIDAE)
- heliciformis, Amastra heliciformis C.M.F. Ancey - syn of: Amastra obesa (W. Newcomb, 1853) - (AMASTRIDAE)
- heliciformis, Ataphrus heliciformis (Morris & Lycett) † - (ATAPHRIDAE) (FOSSIL)
- heliciformis, Eatonina heliciformis W.F. Ponder & E.K. Yoo, 1980 - (CINGULOPSIDAE)
- heliciformis, Straparollus heliciformis de Koninck, 1881 † - (EUOMPHALIDAE) (FOSSIL)
- heliciformis, Cryptaenia heliciformis Deslongchamps † - (PLEUROTOMARIIDAE) (FOSSIL)
- heliciformis, Bellamya heliciformis (O.F. Müller, 1774) - (VIVIPARIDAE)
- Helicigona, Genus Helicigona A.E.J. Férussac 1821 (HELICIDAE)
- helicina, Antirotella helicina Münster, 1840 † - syn of: Antirotella helicinaeformis (von Schlotheim, 1820 †) - (ANOMPHALIDAE) (FOSSIL)
- helicina, Clio helicina C.J. Phipps, 1774 - syn of: Limacina helicina (C.J. Phipps, 1774) - (CLIIDAE)
- helicina, Pythia helicina P.F. Röding, 1798 - syn of: Pythia scarabaeus (C. Linnaeus, 1758) - (ELLOBIIDAE)
- helicina, Rotellina helicina Münster, 1840 † - syn of: Antirotella helicinaeformis (von Schlotheim, 1820 †) - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- Helicina, Genus Helicina J.B.P.A. Lamarck, 1799 (HELICINIDAE)
- helicina, Limacina helicina (C.J. Phipps, 1774) - (LIMACINIDAE)
- helicina, Tunstallia helicina (von Schlotheim, 1820 †) - (LOPHOSPIRIDAE) (FOSSIL)
- helicina, Euspira helicina G.B. Brocchi, 1814 - syn of: Euspira catena (E.M. Da Costa, 1778) - (NATICIDAE)
- helicina, Nerita helicina G.B. Brocchi, 1814 - syn of: Euspira catena (E.M. Da Costa, 1778) - (NERITIDAE)
- helicina, Morphotropis helicina (Lindström, 1884 †) - (ORIOSTOMATIDAE) (FOSSIL)
- helicina, Pleurotomaria helicina Lindström, 1884 † - syn of: Umbotropis helcinia (Lindström, 1884 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- helicina acuta, Limacina helicina acuta S. Van Der Spoel, 1967 - (LIMACINIDAE)
- helicina hemiclausa, Euspira helicina hemiclausa Sowerby, 1824 - syn of: Euspira catena hemiclausa (Sowerby, 1824 †) - (NATICIDAE)
- helicina ochotensis, Limacina helicina ochotensis L.S. Shkoldina, 1999 - (LIMACINIDAE)
- helicina pacifica, Limacina helicina pacifica W.H. Dall, 1871 - (LIMACINIDAE)
- helicina protracta, Euspira helicina protracta K.E.I. von Eichwald, 1830 † - syn of: Euspira catena protracta (K.E.I. von Eichwald, 1830 †) - (NATICIDAE) (FOSSIL)
- helicinaeformis, Antirotella helicinaeformis (von Schlotheim, 1820 †) - (ANOMPHALIDAE) (FOSSIL)
- helicinaeformis, Palaeocyclophorus helicinaeformis (S.A. de Boissy, 1848 †) - (CYCLOPHORIDAE) (FOSSIL)
- helicinaeformis, Bourciera helicinaeformis (L. Pfeiffer, 1851) - (HELICINIDAE)
- helicinia, Cryptaulus helicinia Lindström, 1884 † - syn of: Umbotropis helcinia (Lindström, 1884 †) - (GOSSELETINIDAE) (FOSSIL)
- HELICINIDAE Férussac, 1822 - Family (GASTROPODA-NERITIMORPHA-CYCLONERITIMORPHA)
- heliciniformis, Bourciera heliciniformis L. Pfeiffer, 1851 - syn of: Bourciera helicinaeformis (L. Pfeiffer, 1851) - (HELICINIDAE)
- helicinoidea, Atlanta helicinoidea J.E. Gray, 1850 - (ATLANTIDAE)
- helicinoides, Leucodiscus helicinoides (J.B.P.A. Lamarck, 1804 †) - (ATAPHRIDAE) (FOSSIL)
- helicinoides, Atlanta helicinoides L.F.A. Souleyet, 1852 - syn of: Atlanta helicinoidea J.E. Gray, 1850 - (ATLANTIDAE)
- helicinoides, Papuina helicinoides (A. Mousson, 1848) - (CAMAENIDAE)
- helicinoides, Luciellina helicinoides F. McCoy, 1844 † - (GOSSELETINIDAE) (FOSSIL)
- helicinoides, Dendrotrochus helicinoides (J.B. Hombron & C.H. Jacquinot, 1841) - (HELICARIONIDAE)
- helicinoides, Nerita helicinoides L.A. Reeve, 1855 - (NERITIDAE)
- helicinoides, Teinostoma helicinoides (J.B.P.A. Lamarck †) - (TORNIDAE) (FOSSIL)
- helicinoides cleryi, Dendrotrochus helicinoides cleryi (C.A. Récluz, 1851) - (HELICARIONIDAE)
- helicinoides laevilabris, Nerita helicinoides laevilabris (H.A. Pilsbry, 1895) - (NERITIDAE)
- helicinoides martensiana, Nerita helicinoides martensiana (H.A. Pilsbry, 1901) - (NERITIDAE)
- helicinoides tristis, Nerita helicinoides tristis H.A. Pilsbry, 1901 - syn of: Nerita tristis H.A. Pilsbry, 1901 - (NERITIDAE)
- helicinum, Aulopoma helicinum (J.H. Chemnitz, 1786) - (CYCLOPHORIDAE)
- helicinum, Teinostoma helicinum F. Rubio, R. Fernández-Garcés & E. Rolán, 2011 - (TORNIDAE)
- helicinum, Astralium helicinum (J.F. Gmelin, 1791) - (TURBINIDAE)
- helicinus, Euomphalus helicinus Münster, 1840 † - (EUOMPHALIDAE) (FOSSIL)
- helicinus, Trochilites helicinus von Schlotheim, 1820 † - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- helicinus, Margarites helicinus (C.J. Phipps, 1774) - (MARGARITIDAE)
- helicinus, Nostoceras helicinus (Shumard, 1861 †) - (NOSTOCERATIDAE) (FOSSIL)
- helicinus, Trochus helicinus C.J. Phipps, 1774 - syn of: Margarites helicinus (C.J. Phipps, 1774) - (TROCHIDAE)
- helicinus, Turbo helicinus C.J. Phipps, 1774 - syn of: Margarites helicinus (C.J. Phipps, 1774) - (TURBINIDAE)
- helicinus, Vallonia helicinus J. Lightfoot, 1786 - syn of: Vallonia costata (O.F. Müller, 1774) - (VALLONIIDAE)
- helicinus excavatus, Margarites helicinus excavatus W.H. Dall, 1919 - (MARGARITIDAE)
- helicinus fasciata, Trochus helicinus fasciata J.G. Jeffreys, 1865 - syn of: Margarites helicinus (C.J. Phipps, 1774) - (TROCHIDAE)
- helicinus pilsbryi, Margarites helicinus pilsbryi J.T. Kuroda & T. Habe, 1950 - syn of: Margarites pilsbryi J.T. Kuroda & T. Habe, 1952 - (MARGARITIDAE)
- helicites, Turbocheilus helicites (J. de C. Sowerby & Murchison, 1839 †) - (ANOMPHALIDAE) (FOSSIL)
- Helicites, Genus Helicites Wahlenberg, 1821 † (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- Helicobulimus, syn of: Subgenus Helicostyla (Helicobulinus) W.J. Broderip, 1841 (BRADYBAENIDAE)
- Helicobulinus, Subgenus Helicostyla (Helicobulinus) W.J. Broderip, 1841 (BRADYBAENIDAE)
- Helicoceras, Genus Helicoceras Whitfield , 1877 † (NOSTOCERATIDAE) (FOSSIL)
- helicoceroides, Heteroceras helicoceroides D.L.G. Karsten, 1858 † - (HETEROCERATIDAE) (FOSSIL)
- helicochorda, Burnaia helicochorda (M.C. Miller, 1988) - (AEOLIDIIDAE)
- helicochorda, Aeolidia helicochorda M.C. Miller, 1988 - syn of: Burnaia helicochorda (M.C. Miller, 1988) - (AEOLIDIIDAE)
- Helicoconchus, Genus Helicoconchus Wilson & al., 2011 † (VIRIATELLIDAE) (FOSSIL)
- Helicocranchia, Genus Helicocranchia A.L. Massy, 1907 (CRANCHIIDAE)
- Helicocryptus, Genus Helicocryptus D'Orbigny, 1850 † (COLLONIIDAE) (FOSSIL)
- Helicocyclus, Genus Helicocyclus Schindewolf , 1951 † (PERICYCLIDAE) (FOSSIL)
- Helicode, syn of: Genus Zonites P.D. Montfort, 1810 (ZONITIDAE)
- HELICODISCIDAE Pilsbry in Baker, 1927 - Family (GASTROPODA-HETEROBRANCHIA-PULMONATA-STYLOMMATOPHORA)
- Helicodiscus, Genus Helicodiscus E.S. Morse, 1864 (HELICODISCIDAE)
- Helicodon, syn of: Genus Helicodonta A.E.J. Férussac in A. Risso, 1826 (HELICODONTIDAE)
- Helicodon, syn of: Genus Polygyra T. Say, 1818 (POLYGYRIDAE)
- Helicodonta, Genus Helicodonta A.E.J. Férussac in A. Risso, 1826 (HELICODONTIDAE)
- HELICODONTIDAE Kobelt, 1904 - Family (GASTROPODA-HETEROBRANCHIA-PULMONATA-STYLOMMATOPHORA)
- Helicofusus, Subgenus Plicifusus (Helicofusus) W.H. Dall, 1916 (BUCCINIDAE)
- Helicogena, syn of: Genus Helix C. Linnaeus, 1758 (HELICIDAE)
- helicogyra, Cincinnatia helicogyra F.G. Thompson, 1968 - (HYDROBIIDAE)
- helicoidale, Deroceras helicoidale W. Rähle, 1998 - (AGRIOLIMACIDAE)
- helicoidea, Calyptraea helicoidea (G.B. III Sowerby, 1883) - (CALYPTRAEIDAE)
- helicoidea, Trochita helicoidea G.B. III Sowerby, 1883 - syn of: Calyptraea helicoidea (G.B. III Sowerby, 1883) - (CALYPTRAEIDAE)
- helicoidea, Vitrinella helicoidea Adams, 1850 - (TORNIDAE)
- helicoidea, Valvata sincera helicoidea W.H. Dall, 1905 - (VALVATIDAE)
- helicoidea, Vanikoro helicoidea E.J. Le Guillou, 1842 - (VANIKORIDAE)
- helicoides, Anomphalus helicoides (Münster, 1841 †) - (ANOMPHALIDAE) (FOSSIL)
- helicoides, Tomopleura helicoides (F.E. Edwards, 1861 †) - (BORSONIIDAE) (FOSSIL)
- helicoides, Asthenotoma helicoides F.E. Edwards, 1861 † - syn of: Tomopleura helicoides (F.E. Edwards, 1861 †) - (BORSONIIDAE) (FOSSIL)
- helicoides, Helicostyla florida helicoides G.B. I Sowerby, 1841 - (BRADYBAENIDAE)
- helicoides, Separatista helicoides (J.F. Gmelin, 1791) - (CAPULIDAE)
- helicoides, Leptopoma helicoides (J.P.S. Grateloup, 1840) - (CYCLOPHORIDAE)
- helicoides, Euomphalus helicoides Klipstein, 1843 † - syn of: Anomphalus helicoides (Münster, 1841 †) - (EUOMPHALIDAE) (FOSSIL)
- helicoides, Pachystrophia helicoides (E.F.R.K. Koken, 1896 †) - (HOLOPEIDAE) (FOSSIL)
- helicoides, Thielea helicoides (J.G. Jeffreys, 1877) - (LIMACINIDAE)
- helicoides, Spiratella helicoides A. Pruvot-Fol, 1954 - syn of: Thielea helicoides (J.G. Jeffreys, 1877) - (LIMACINIDAE)
- helicoides, Thilea helicoides S. Van Der Spoel, 1967 - syn of: Thielea helicoides (J.G. Jeffreys, 1877) - (LIMACINIDAE)
- helicoides, Hypterita helicoides (J.E. Gray, 1825) - (NATICIDAE)
- helicoides, Polinices helicoides J.E. Gray, 1825 - syn of: Hypterita helicoides (J.E. Gray, 1825) - (NATICIDAE)
- helicoides, Amauropsis helicoides G. Johnston, 1835 - syn of: Amauropsis islandica (J.F. Gmelin, 1791) - (NATICIDAE)
- helicoides, Natica helicoides Johnston, 1835 - syn of: Amauropsis islandica (J.F. Gmelin, 1791) - (NATICIDAE)
- helicoides, Natica helicoides J.E. Gray, 1825 - syn of: Hypterita helicoides (J.E. Gray, 1825) - (NATICIDAE)
- helicoides, Platyschisma helicoides (J. de C. Sowerby, 1826 †) - (PLATYCERATIDAE) (FOSSIL)
- helicoides, Pleurotomaria helicoides Reed, 1901 † - (PLEUROTOMARIIDAE) (FOSSIL)
- helicoides, Otopoma helicoides E. Neubert, 2009 - (POMATIIDAE)
- helicoides, Arxellia helicoides C. Vilvens, S.T. Williams & D.G. Herbert, 2014 - (SOLARIELLIDAE)
- helicoides, Circulus helicoides (F.W. Hutton, 1885 †) - (TORNIDAE) (FOSSIL)
- helicoides, Turbo helicoides J.F. Gmelin, 1791 - syn of: Separatista helicoides (J.F. Gmelin, 1791) - (TURBINIDAE)
- helicoides, Valvata helicoides F. Stoliczka, 1862 † - (VALVATIDAE) (FOSSIL)
- helicoides, Valvata helicoides de Loriol † - (VALVATIDAE) (FOSSIL)
- Helicolimax, syn of: Genus Vitrina J.P.R. Draparnaud, 1801 (VITRINIDAE)
- Helicoma, syn of: Subgenus Actinella (Plebecula) R.T. Lowe, 1852 (HYGROMIIDAE)
- Helicomela, Subgenus Ochtephila (Helicomela) R.T. Lowe, 1854 (HYGROMIIDAE)
- Helicomorpha, Genus Helicomorpha O.F. von Möllendorff, 1890 (DIPLOMMATINIDAE)
- Helicon, syn of: Genus Acroloxus H.H. Beck, 1837 (ACROLOXIDAE)
- Heliconatica, syn of: Genus Eunaticina P. Fischer, 1885 (NATICIDAE)
- Heliconoides, Genus Heliconoides D'Orbigny, 1835 (LIMACINIDAE)
- Helicopelta, Genus Helicopelta B.A. Marshall, 1996 (ADDISONIIDAE)
- Helicophana, Subgenus Oxychilus (Helicophana) C.A. Westerlund, 1886 (OXYCHILIDAE)
- Helicophanta, Genus Helicophanta A.E.J. Férussac, 1821 (ACAVIDAE)
- helicophantoides, Amphidoxa helicophantoides (L. Pfeiffer, 1845) - (CHAROPIDAE)
- helicophantoides, Gyraulus helicophantoides (P.S. Pavlovic, 1927 ) - (PLANORBIDAE)
- Helicophlegma, syn of: Genus Oxygyrus W.H. Benson, 1835 (ATLANTIDAE)
- Helicopsis, Genus Helicopsis L.I. Fitzinger, 1833 (HYGROMIIDAE)
- Helicoradomenia, Genus Helicoradomenia A.H. Scheltema & A.M. Kuzirian, 1991 (SIMROTHIELLIDAE)
- Helicoradsia, syn of: Genus Chaetopleura R.J. Shuttleworth, 1853 (CHAETOPLEURIDAE)
- Helicorbis, Subgenus Hippeutis (Helicorbis) W.H. Benson, 1855 (PLANORBIDAE)
- helicornuum, Limiscala helicornuum T. Iredale, 1936 - syn of: Epitonium tenellum (F.W. Hutton, 1885) - (EPITONIIDAE)
- helicornuum, Epitonium helicornuum T. Iredale, 1936 - syn of: Epitonium tenellum (F.W. Hutton, 1885) - (EPITONIIDAE)
- Helicosoma, syn of: Genus Helisoma W.J. Swainson, 1840 (PLANORBIDAE)
- Helicospira, Genus Helicospira Girty, 1915 † (MURCHISONIIDAE) (FOSSIL)
- Helicostoa, Genus Helicostoa É. Lamy, 1926 (HELICOSTOIDAE)
- HELICOSTOIDAE Pruvot-Fol 1937 - Family (GASTROPODA-CAENOGASTROPODA-LITTORINIMORPHA)
- helicostracum, Monteithosites helicostracum J. Stanisic, 1996 - (CAMAENIDAE)
- Helicostyla, Genus Helicostyla A.E.J. Férussac, 1821 (BRADYBAENIDAE)
- Helicosyrinx, syn of: Genus Entoconcha H.P.C. Møller, 1852 (EULIMIDAE)
- Helicotis, Genus Helicotis Koken & Perner, 1925 † (ONYCHOCHILIDAE) (FOSSIL)
- Helicotoma, Genus Helicotoma Salter, 1859 † (HELICOTOMIDAE) (FOSSIL)
- HELICOTOMIDAE Wenz, 1938 † - Family (GASTROPODA-EOGASTROPODA-EUOMPHALINA) (FOSSIL)
- Helicotricha, Genus Helicotricha F.L. Giusti & G. Manganelli, 1990 (HYGROMIIDAE)
- Helicrenion, Genus Helicrenion A. Warén & P. Bouchet, 1993 (PELTOSPIRIDAE)
- Helicter, syn of: Genus Achatinella W.J. Swainson, 1828 (ACHATINELLIDAE)
- Helicterella, syn of: Genus Achatinella W.J. Swainson, 1828 (ACHATINELLIDAE)
- Helicteres, syn of: Genus Achatinella W.J. Swainson, 1828 (ACHATINELLIDAE)
- helicteres, Eunema helicteres Salter, 1859 † - (LOPHOSPIRIDAE) (FOSSIL)
- Helictites, Genus Helictites Mojsisovics , 1893 † (THETIDITIDAE) (FOSSIL)
- helictomphala, Helix helictomphala L. Pfeiffer, 1856 - syn of: Polygyra yucatanea (P.M.A. Morelet, 1849) - (HELICIDAE)
- helictomphala, Polygyra helictomphala L. Pfeiffer, 1856 - syn of: Polygyra yucatanea (P.M.A. Morelet, 1849) - (POLYGYRIDAE)
- Helictostylus, syn of: Genus Strophostylus Hall, 1859 † (PLATYCERATIDAE) (FOSSIL)
- helicycloides, Systrophia helicycloides (D'Orbigny, 1835) - (SCOLODONTIDAE)
- Heligmina, Genus Heligmina J.H.F. Douvillé, 1907 † (MALLEIDAE) (FOSSIL)
- heligmoida, Entodina heligmoida (D'Orbigny, 1835) - (SCOLODONTIDAE)
- Heligmope, syn of: Genus Janthina P.F. Röding, 1798 (JANTHINIDAE)
- Heligmopoma, Genus Heligmopoma F. Haas, 1955 (COCHLIOPIDAE)
- Heligmopsis, Genus Heligmopsis Fischer, 1886 † (PTERIIDA (unassigned)) (FOSSIL)
- Heligmostylus, Genus Heligmostylus Cossmann, 1909 † (SPIROSTYLIDAE) (FOSSIL)
- Heligmotenia, Genus Heligmotenia Douvillé, 1920 † (NEOGASTROPODA (unassigned)) (FOSSIL)
- Heligmotoma, Genus Heligmotoma Heligmotoma † (MELONGENIDAE) (FOSSIL)
- Heligmus, Genus Heligmus Deslongchamps, 1856 † (ELIGMIDAE) (FOSSIL)
- helimelensis, Pseudothurmannia helimelensis (Dimitrova, 1967 †) - (CRIOCERATITIDAE) (FOSSIL)
- heliocaustus, Trigonephrus heliocaustus M. Connolly, 1929 - (DORCASIIDAE)
- Helioclymenia, Genus Helioclymenia Pajchlowa, 1972 † (GLATZIELLIDAE) (FOSSIL)
- Heliocophora, syn of: Genus Limacina L.A.G. d'A. Bosc, 1817 (LIMACINIDAE)
- heliodorus, Ganesella heliodorus W.S.S. Van Benthem-Jutting, 1965 - (CAMAENIDAE)
- Heliomanes, syn of: Genus Cernuella F. Schlüter, 1838 (HYGROMIIDAE)
- Helioniscus, syn of: Genus Cellana H. Adams, 1869 (NACELLIDAE)
- heliophila, Melanopsis heliophila P.M. Pallary, 1911 - (MELANOPSIDAE)
- Heliopsis, syn of: Genus Psadara K. Miller, 1878 (PLEURODONTIDAE)
- Helioradsia, syn of: Genus Chaetopleura R.J. Shuttleworth, 1853 (CHAETOPLEURIDAE)
- helios, Frigidocardium helios J.J. Ter Poorten & J. Poutiers, 2009 - (CARDIIDAE)
- helios, Elaphriella helios Vilvens & Williams, 2016 - (SOLARIELLIDAE)
- helios, Streptaxis helios (H.A. Pilsbry, 1898) - (STREPTAXIDAE)
- helios, Waisiuconcha helios E.M. Krylova & A.W. Janssen, 2006 - (VESICOMYIDAE)
- Heliotropis, syn of: Genus Volutopsius O.A.L. Mörch, 1857 (BUCCINIDAE)
- heliotropium, Trochus heliotropium T. Martyn, 1784 - syn of: Astraea heliotropium (T. Martyn, 1784) - (TROCHIDAE)
- heliotropium, Astraea heliotropium (T. Martyn, 1784) - (TURBINIDAE)
- heliptyx, Haloceras heliptyx A. Warén & P. Bouchet, 1991 - (HALOCERATIDAE)
- Helisalia, syn of: Genus Omalogyra J.G. Jeffreys, 1860 (OMALOGYRIDAE)
- Helisiga, Genus Helisiga R.P. Lesson, 1831 (SUCCINEIDAE)
- Helisigna, syn of: Genus Helisiga R.P. Lesson, 1831 (SUCCINEIDAE)
- Helisoma, Genus Helisoma W.J. Swainson, 1840 (PLANORBIDAE)
- helix, Calliotropis helix C. Vilvens, 2007 - (CALLIOTROPIDAE)
- helix, Herpetopoma helix (K.H. Barnard, 1964) - (CHILODONTIDAE)
- Helix, Genus Helix C. Linnaeus, 1758 (HELICIDAE)
- helix, Lesueurilla helix d'Eichwald, 1860 † - syn of: Lesueurilla infundibulum (E.F.R.K. Koken, 1896 †) - (LESUEURILLIDAE) (FOSSIL)
- Helixarion, syn of: Genus Helicarion A.E.J. Férussac, 1821 (HELICARIONIDAE)
- HELIXARIONIDAE - syn of Family: HELICARIONIDAE
- Helixena, Genus Helixena W. Backhuys, 1977 (HELICIDAE)
- Helixflaveola, syn of: Subgenus Trichia (Dioscuria) W.A. Lindholm, 1927 (HYGROMIIDAE)
- hella, Zemitrella hella (K.H.J. Thiele, 1925) - (COLUMBELLIDAE)
- hella, Columbella hella K.H.J. Thiele, 1925 - syn of: Zemitrella hella (K.H.J. Thiele, 1925) - (COLUMBELLIDAE)
- hella, Turbonilla hella K.H.J. Thiele, 1925 - (PYRAMIDELLIDAE)
- helle, Gymnotoceras helle McLearn, 1948 † - syn of: Anagymnotoceras varium McLearn, 1948 † - (BEYRICHITIDAE) (FOSSIL)
- Helle, syn of: Subgenus Ena (Caucasicola) P. Hesse, 1917 (ENIDAE)
- hellenica, Bithynia hellenica W. Kobelt, 1892 - syn of: Paraelona majewsky (G.R. von Frauenfeld, 1862) - (BITHYNIIDAE)
- Hellenica, syn of: Genus Idyla H. Adams & A. Adams, 1855 (CLAUSILIIDAE)
- hellenica, Dreissena hellenica É.A.A. Locard, 1893 - syn of: Dreissena carinata (R.W. Dunker, 1853) - (DREISSENIDAE)
- hellenica, Opalia hellenica (E. Forbes, 1844) - (EPITONIIDAE)
- hellenica, Opalia hellenica W.H. Dall, 1889 - syn of: Opalia morchiana W.H. Dall, 1889 - (EPITONIIDAE)
- hellenica, Iglica hellenica A. Falniowski & Sarbu, 2015 - (HYDROBIIDAE)
- hellenica, Cernuella hellenica J.R. Bourguignat, 1876 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- hellenica, Valvata hellenica J.R. Tournouër, 1877 † - (VALVATIDAE) (FOSSIL)
- hellenica, Valvata hellenica C.F. Fontannes, 1881 † - (VALVATIDAE) (FOSSIL)
- hellenica, Valvata hellenica C.A. Westerlund, 1898 - syn of: Daphniola exigua (A. Schmidt, 1856) - (VALVATIDAE)
- hellenica montereyensis, Scalaria hellenica montereyensis M.E.A. de Boury, 1889 - syn of: Opalia hellenica (E. Forbes, 1844) - (EPITONIIDAE)
- hellenica morchiana, Opalia hellenica morchiana W.H. Dall, 1889 - syn of: Opalia morchiana W.H. Dall, 1889 - (EPITONIIDAE)
- hellenica nodosocarinata, Opalia hellenica nodosocarinata W.H. Dall, 1889 - syn of: Opalia pumilio (O.A.L. Mörch, 1875) - (EPITONIIDAE)
- hellenicum, Cochlostoma hellenicum (A.de Saint-Simon, 1869) - (COCHLOSTOMATIDAE)
- hellenicum, Carychium hellenicum R.A. Bank & E. Gittenberger, 1985 - (ELLOBIIDAE)
- hellenicum, Mercaticeras hellenicum Renz, 1906 † - (HILDOCERATIDAE) (FOSSIL)
- hellenicum arenicola, Cochlostoma hellenicum arenicola (A.de Saint-Simon, 1869) - (COCHLOSTOMATIDAE)
- hellenicum athenarum, Cochlostoma hellenicum athenarum (A.de Saint-Simon, 1869) - (COCHLOSTOMATIDAE)
- hellenicus, Columbites hellenicus Renz & Renz, 1948 † - syn of: Prenkites timorensis Spath, 1930 † - (COLUMBITIDAE) (FOSSIL)
- hellenicus, Theodoxus hellenicus (Bukowski, 1896 †) - (NERITIDAE) (FOSSIL)
- hellenicus, Viviparus ater hellenicus (S. Clessin, 1879) - (VIVIPARIDAE)
- hellenicus constrictus, Theodoxus hellenicus constrictus (Bukowski, 1896 †) - (NERITIDAE) (FOSSIL)
- hellenicus pseudomicans, Theodoxus hellenicus pseudomicans (Bukowski, 1896 †) - (NERITIDAE) (FOSSIL)
- Hellenites, Genus Hellenites Renz & Renz, 1948 † (COLUMBITIDAE) (FOSSIL)
- helleniusi, Lyrodus helleniusi C.E. von Moll, 1936 - syn of: Lyrodus pedicellatus (J.L.A. Quatrefages, 1849) - (TEREDINIDAE)
- helleri, Kalidos helleri E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1994 - (ARIOPHANTIDAE)
- helleri, Parvicardium helleri Š. Brusina, 1865 - syn of: Parvicardium exiguum (J.F. Gmelin, 1791) - (CARDIIDAE)
- helleri, Endodonta helleri W.H. Dall, 1900 - (ENDODONTIDAE)
- helleri, Fusus helleri Š. Brusina, 1865 - syn of: Ocinebrina helleri (Š. Brusina, 1865) - (FASCIOLARIIDAE)
- helleri, Xerocrassa erkelii helleri L. Forcart - (HYGROMIIDAE)
- helleri, Ocinebrina helleri (Š. Brusina, 1865) - (MURICIDAE)
- helleri, Nassarius helleri (J. Giner Mari, 1929) - (NASSARIIDAE)
- helleri, Nassarius helleri J. Giner Mari, 1929 - syn of: Nassarius helleri (J. Giner Mari, 1929) - (NASSARIIDAE)
- helleri, Decatopecten helleri H.B. Preston, 1909 - syn of: Decatopecten amiculum R.A. Philippi, 1851 - (PECTINIDAE)
- hellerianus, Fusus hellerianus Š. Brusina, 1866 - syn of: Ocinebrina helleri (Š. Brusina, 1865) - (FASCIOLARIIDAE)
- hellerianus, Murex hellerianus Š. Brusina, 1866 - syn of: Ocinebrina helleri (Š. Brusina, 1865) - (MURICIDAE)
- hellespontiana, Patella hellespontiana T.A. de M. Monterosato, 1888 - syn of: Patella caerulea C. Linnaeus, 1758 - (PATELLIDAE)
- hellespontica, Holandriana hellespontica (Calvert & M. von Neumayr, 1880 †) - (PLEUROCERIDAE) (FOSSIL)
- hellica, Angaria hellica A.V.M.D. D'Orbigny, 1852 † - (ANGARIIDAE) (FOSSIL)
- hellica, Plagiostoma hellica d'Orbigny, 1850 † - (LIMIDAE) (FOSSIL)
- hellii, Canarium hellii (L.C. Kiener, 1843) - (STROMBIDAE)
- hellii, Strombus hellii L.C. Kiener, 1843 - syn of: Canarium hellii (L.C. Kiener, 1843) - (STROMBIDAE)
- hellmani, Adalaria hellmani H.M. Lemche - (ONCHIDORIDIDAE)
- Helluoherpia, Genus Helluoherpia C. Handl & T. Büchinger, 1996 (DONDERSIIDAE)
- helmatina, Marginella helmatina P.C.A.S.L. Rang, 1832 - (MARGINELLIDAE)
- helmatina cumingiana, Marginella helmatina cumingiana S.A.A. Petit De La Saussaye, 1841 - (MARGINELLIDAE)
- helmii, Leucozonia helmii Abbass, 1967 † - (FASCIOLARIIDAE) (FOSSIL)
- helmii, Aegopinella helmii J. Alder, 1837 - syn of: Aegopinella nitidula (J.P.R. Draparnaud, 1805) - (ZONITIDAE)
- Helminthochiton, Genus Helminthochiton Salter , 1846 † (LEPTOCHITONIDAE) (FOSSIL)
- HELMINTHOCHITONIDAE Van Belle, 1975 † - Family (POLYPLACOPHORA-PALEOLORICATA-CHELODINA) (FOSSIL)
- Helminthoglypta, Genus Helminthoglypta C.M.F. Ancey, 1887 (HELMINTHOGLYPTIDAE)
- HELMINTHOGLYPTIDAE Pilsbry, 1939 - Family (GASTROPODA-HETEROBRANCHIA-PULMONATA-STYLOMMATOPHORA)
- Helminthope, Genus Helminthope L. Salvini-Plawén, 1991 (RHODOPIDAE)
- Helminthozyga, Genus Helminthozyga Knight, 1930 † (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- helmsi, Acmaea helmsi N.H. Odhner, 1924 - syn of: Notoacmea subantarctica W.R.B. Oliver, 1926 - (ACMAEIDAE)
- helmsi, Acmaea helmsi E.A. Smith, 1894 - syn of: Notoacmea elongata (J.R.C. Quoy & J.P. Gaimard, 1834) - (ACMAEIDAE)
- helmsi, Phacussa helmsi F.W. Hutton, 1883 - (CHAROPIDAE)
- helmsi, Arthritica helmsi (C. Hedley, 1915) - (LASAEIDAE)
- helmsi, Notoacmea helmsi T. Iredale, 1915 - syn of: Notoacmea elongata (J.R.C. Quoy & J.P. Gaimard, 1834) - (LOTTIIDAE)
- helmsi, Notoacmea helmsi T. Nakano & C. Spencer, 2007 - syn of: Notoacmea parviconoidea (H.H. Suter, 1907) - (LOTTIIDAE)
- helmsi, Notoacmea helmsi E.A. Smith, 1894 - syn of: Notoacmea elongata (J.R.C. Quoy & J.P. Gaimard, 1834) - (LOTTIIDAE)
- helmsi leucoma, Acmea helmsi leucoma T. Iredale, 1915 - syn of: Notoacmea scapha (H.H. Suter, 1907) - (ACMAEIDAE)
- helmsi scapha, Acmea helmsi scapha A.W.B. Powell, 1957 - syn of: Notoacmea scapha (H.H. Suter, 1907) - (ACMAEIDAE)
- helmsiana, Vitellidelos helmsiana (T. Iredale, 1938) - (RHYTIDIDAE)
- helmuti, Tylomelania helmuti T. von Rintelen & M. Glaubrecht, 2003 - (PACHYCHILIDAE)
- Heloceras, Genus Heloceras Eichwald, 1860 † (ORTHOCERIDA (unassigned)) (FOSSIL)
- heloica, Helix heloica D'Orbigny, 1835 - syn of: Bulimulus heloicus (D'Orbigny, 1835) - (HELICIDAE)
- heloicum, Drepanotrema heloicum (D'Orbigny, 1835) - (PLANORBIDAE)
- heloicus, Bulimulus heloicus (D'Orbigny, 1835) - (BULIMULIDAE)
- heloisiae, Helicina heloisiae L. Pfeiffer, 1856 - syn of: Tristramia delicatula (R.J. Shuttleworth, 1852) - (HELICINIDAE)
- Helolithus, Genus Helolithus Agassiz, 1846 † (FASCIOLARIIDAE) (FOSSIL)
- Helonyx, syn of: Genus Gadila J.E. Gray, 1847 (GADILIDAE)
- helophila, Biomphalaria helophila (D'Orbigny, 1835) - (PLANORBIDAE)
- helophilus, Planorbarius helophilus J.R. Bourguignat, 1859 - syn of: Planorbarius corneus (C. Linnaeus, 1758) - (PLANORBIDAE)
- Heloplax, Genus Heloplax Cherns , 1998 † (ECHINOCHITONIDAE) (FOSSIL)
- heloris, Epitonium heloris (T. Iredale, 1936) - (EPITONIIDAE)
- helva, Leucotina helva C. Hedley, 1900 - (AMATHINIDAE)
- helvacea, Mactra helvacea J.B.P.A. Lamarck, 1818 - syn of: Mactra glauca I. von Born, 1778 - (MACTRIDAE)
- helvacea, Natica helvacea J.B.P.A. Lamarck, 1822 - syn of: Natica vitellus (C. Linnaeus, 1758) - (NATICIDAE)
- helvacea, Xenophora helvacea R.A. Philippi, 1851 - (XENOPHORIDAE)
- helvaceus, Onustus indicus helvaceus R.A. Philippi, 1851 - (XENOPHORIDAE)
- helvetica, Anomia helvetica Bourcart & Zbyzewsky, 1940 - syn of: Anomia ephippium C. Linnaeus, 1758 - (ANOMIIDAE)
- helvetica, Bithynia glabra helvetica (W.A. Wenz, 1930 †) - (BITHYNIIDAE) (FOSSIL)
- helvetica, Ceratomyopsis helvetica (de Loriol 1897 †) - (CERATOMYOPSIDAE) (FOSSIL)
- helvetica, Macrogastra helvetica J.R. Bourguignat, 1863 - syn of: Macrogastra ventricosa (J.P.R. Draparnaud, 1801) - (CLAUSILIIDAE)
- helvetica, Zittelia helvetica (Pictet & Campiche, 1864 †) - (COLOMBELLINIDAE) (FOSSIL)
- helvetica, Columbella helvetica C. Mayer † - (COLUMBELLIDAE) (FOSSIL)
- helvetica, Fusinus clavatus helvetica M.A. Peyrot, 1925 - (FASCIOLARIIDAE)
- helvetica, Edentiella edentula helvetica (W. Polinski, 1929) - (HYGROMIIDAE)
- helvetica, Nassa helvetica M.A. Peyrot, 1925 † - syn of: Tritia mutabilis (C. Linnaeus, 1758 †) - (NASSARIIDAE) (FOSSIL)
- helvetica, Scaphander lignarius helvetica M.A. Peyrot, 1932 † - (SCAPHANDRIDAE) (FOSSIL)
- helvetica, Anodonta helvetica J.R. Bourguignat, 1862 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- helvetica, Vallonia helvetica V. Sterki, 1893 - syn of: Vallonia costata (O.F. Müller, 1774) - (VALLONIIDAE)
- helveticum, Metapeltoceras helveticum Jeannet, 1951 † - (ASPIDOCERATIDAE) (FOSSIL)
- helveticum, Paroniceras helveticum Renz, 1922 † - (HILDOCERATIDAE) (FOSSIL)
- helveticum, Bythiospeum helveticum (S. Clessin, 1882) - (HYDROBIIDAE)
- helveticus, Herznachites helveticus Jeannet, 1951 † - (CARDIOCERATIDAE) (FOSSIL)
- helveticus, Pseudocassis helveticus Pictet & Campiche, 1864 † - syn of: Zittelia helvetica (Pictet & Campiche, 1864 †) - (CEPHALASPIDA (unassigned)) (FOSSIL)
- helveticus, Juraphyllites helveticus Wiedenmayer, 1977 † - (JURAPHYLLITIDAE) (FOSSIL)
- helveticus, Limax helveticus J.R. Bourguignat, 1862 - syn of: Lehmannia marginata (O.F. Müller, 1774) - (LIMACIDAE)
- helveticus, Zuluscaphites helveticus J. Kennedy & Delamette, 1994 † - (LYELLICERATIDAE) (FOSSIL)
- helveticus, Nautilus helveticus von Loesch, 1914 † - syn of: Pseudaganides helveticus (von Loesch, 1914 †) - (NAUTILIDAE) (FOSSIL)
- helveticus, Campylites helveticus Jeannet, 1951 † - (OPPELIIDAE) (FOSSIL)
- helveticus, Oxychilus helveticus J. Blum, 1881 - syn of: Ortizius navarricus helveticus (J. Blum, 1881) - (OXYCHILIDAE)
- helveticus, Ortizius navarricus helveticus (J. Blum, 1881) - (OXYCHILIDAE)
- helveticus, Pseudaganides helveticus (von Loesch, 1914 †) - (PSEUDONAUTILIDAE) (FOSSIL)
- helveticus, Reineckeites helveticus Jeannet, 1951 † - (REINECKEIIDAE) (FOSSIL)
- Helvetostrea, Genus Helvetostrea Koppka, 2015 † (FLEMINGOSTREIDAE) (FOSSIL)
- helvia, Columbella helvia P.L. Duclos, 1846 - syn of: Rhombinella laevigata (C. Linnaeus, 1758) - (COLUMBELLIDAE)
- helvina, Laminella citrina helvina D.D. Baldwin, 1895 - (AMASTRIDAE)
- helvola, Fruticicola helvola (I. Frivaldszky in L. Pfeiffer, 1853) - (BRADYBAENIDAE)
- helvola, Montenegrina helvola (H.C. Küster, 1853) - (CLAUSILIIDAE)
- helvola, Erosaria helvola (C. Linnaeus, 1758) - (CYPRAEIDAE)
- helvola, Erosaria helvola J.C. Melvill, 1888 - syn of: Erosaria helvola (C. Linnaeus, 1758) - (CYPRAEIDAE)
- helvola anachoretica, Fruticicola helvola anachoretica (P.V. Matiokin, 1966) - (BRADYBAENIDAE)
- helvola argella, Erosaria helvola argella (J.C. Melvill, 1888) - (CYPRAEIDAE)
- helvola bellatrix, Erosaria helvola bellatrix F.Jr. Lorenz, 2009 - syn of: Erosaria bellatrix F.Jr. Lorenz, 2009 - (CYPRAEIDAE)
- helvola callista, Erosaria helvola callista (H.O.N. Shaw, 1909) - (CYPRAEIDAE)
- helvola carinata, Montenegrina helvola carinata Z. Eröss & M. Szekeres, 1999 - (CLAUSILIIDAE)
- helvola citrinicolor, Erosaria helvola citrinicolor (C. Linnaeus, 1758) - (CYPRAEIDAE)
- helvola hawaiiensis, Erosaria helvola hawaiiensis (J.C. Melvill, 1888) - (CYPRAEIDAE)
- helvola magna, Montenegrina helvola magna Z. Fehér & M. Szekeres, 2006 - (CLAUSILIIDAE)
- helvola meridionalis, Erosaria helvola meridionalis F.A. Schilder & M. Schilder, 1938 - (CYPRAEIDAE)
- helvola ornata, Montenegrina helvola ornata Z. Eröss & M. Szekeres, 1999 - (CLAUSILIIDAE)
- helvola pageti, Montenegrina helvola pageti R.A.M. Brandt, 1962 - (CLAUSILIIDAE)
- helvolus, Napaeus helvolus (P.B. Webb & S. Berthelot, 1833) - (ENIDAE)
- helygaia, Hemicycla helygaia J.F. Mabille, 1882 - syn of: Hemicycla bidentalis (J.B.P.A. Lamarck, 1811) - (HELICIDAE)
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