- naokoae, Herpetopoma naokoae G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (CHILODONTIDAE)
- naomiae, Tateshia naomiae H. Fukuda & S. Kosuge, 2010 - (MARGINELLIDAE)
- naomiae, Rissoina naomiae O. Masuda, 1966 † - (RISSOINIDAE) (FOSSIL)
- napaea, Helminthoglypta napaea S.S. Berry, 1938 - (HELMINTHOGLYPTIDAE)
- Napaeinus, Subgenus Napaeus (Napaeinus) P. Hesse, 1933 (ENIDAE)
- Napaeopsis, Subgenus Zebrina (Napaeopsis) R. Sturany & A. Wagner, 1914 (ENIDAE)
- Napaeus, Genus Napaeus J.A. Albers, 1850 (ENIDAE)
- napaia, Hemistomia napaia M. Haase & P. Bouchet, 1998 - (TATEIDAE)
- napanensis, Modiolus napanensis V.N. Sinelnikova, 1997 † - (MYTILIDAE) (FOSSIL)
- napanensis, Moerella napanensis V.N. Sinelnikova, 1997 † - (TELLINIDAE) (FOSSIL)
- napangensis, Costatoria napangensis Healey, 1908 † - (MYOPHORIIDAE) (FOSSIL)
- napanica, Ainicardita napanica (Ilyina, 1962 †) - (CARDITIDAE) (FOSSIL)
- napanica, Nuculana napanica L. Krishtofovich, 1973 † - (NUCULANIDAE) (FOSSIL)
- napasica, Lymnaea napasica N.D. Kruglov & Y.I. Starobogatov, 1983 - (LYMNAEIDAE)
- napeanensis, Unio napeanensis T.A. Conrad, 1850 - syn of: Hyridella australis (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- napensis, Helix napensis J.C.H. Crosse, 1871 - (HELICIDAE)
- napierana, Amplirhagada napierana G.A. Solem, 1981 - (CAMAENIDAE)
- napierana, Gyliotrachela australis napierana G.A. Solem, 1981 - (HYPSELOSTOMATIDAE)
- napierensis, Gabbia napierensis W.F. Ponder, 2003 - (BITHYNIIDAE)
- napii, Legumen napii McLearn, 1929 † - (VENERIDAE) (FOSSIL)
- naplesense, Naplesites naplesense (A.H. Clarke, 1898 †) - (BELOCERATIDAE) (FOSSIL)
- Naplesites, Genus Naplesites Yatskov , 1990 † (BELOCERATIDAE) (FOSSIL)
- napo, Otostomus napo G.F. Angas, 1878 - syn of: Drymaeus quadrifasciatus (G.F. Angas, 1878) - (BULIMULIDAE)
- napoensis, Tropidauchenia napoensis H. Nordsieck, 2007 - (CLAUSILIIDAE)
- napoensis, Anodontites napoensis (I. Lea, 1868) - (MYCETOPODIDAE)
- napolina, Trivia napolina (L.C. Kiener, 1843) - (TRIVIIDAE)
- napolitana, Gleba napolitana P.J. Van Beneden, 1839 - syn of: Gleba cordata P. Forsskål in C. Niebuhr, 1776 - (CYMBULIIDAE)
- naptonense, Androgynoceras naptonense Spath, 1938 † - (LIPAROCERATIDAE) (FOSSIL)
- Napulus, Genus Napulus Stephenson, 1941 † (TURBINELLIDAE) (FOSSIL)
- napus, Achatinella apexfulva napus L. Pfeiffer, 1855 - (ACHATINELLIDAE)
- napus, Euspira napus E.A. Smith, 1904 - (NATICIDAE)
- napus, Turbinella pyrum napus J.B.P.A. Lamarck, 1822 - (TURBINELLIDAE)
- naquensis, Trigonioides naquensis Gu, 1976 † - (TRIGONIOIDIDAE) (FOSSIL)
- Naquetia, Genus Naquetia F.P. Jousseaume, 1880 (MURICIDAE)
- narainpirensis, Lamellidens narainpirensis H.B. Preston, 1912 - syn of: Lamellidens narainporensis H.B. Preston, 1912 - (UNIONIDAE)
- narainporensis, Lamellidens narainporensis H.B. Preston, 1912 - (UNIONIDAE)
- Naramoceras, Genus Naramoceras McNamara , 1985 † (OPPELIIDAE) (FOSSIL)
- Naranio, syn of: Genus Petricola J.B.P.A. Lamarck, 1801 (VENERIDAE)
- Naranjia, Genus Naranjia R.E. Golding, W.F. Ponder & M.M. Byrne, 2007 (AMPHIBOLIDAE)
- naranjoae, Bunnya naranjoae M.C. Miller, 1987 - (HUMBOLDTIANIDAE)
- naranjoana, Actinodonta naranjoana (Verneuil & Barrande, 1855 †) - (ACTINODONTIDAE) (FOSSIL)
- naranjoana, Arca naranjoana Verneuil & Barrande, 1855 † - syn of: Actinodonta naranjoana (Verneuil & Barrande, 1855 †) - (ARCIDAE) (FOSSIL)
- naranjus, Varioconus naranjus (H. Trovão, 1975) - (CONIDAE)
- narawarensis, Maizuria narawarensis Nakazawa, 1959 † - (BAKEVELLIIDAE) (FOSSIL)
- narbonense, Phymatoceras narbonense Buckman, 1898 † - (PHYMATOCERATIDAE) (FOSSIL)
- narbonensis, Subrimatus narbonensis (S. Clessin, 1877) - (PRISTILOMATIDAE)
- narbonensis, Retinella narbonensis S. Clessin, 1877 - (ZONITIDAE)
- narbonnensis, Xerotricha narbonnensis E. Réquien - syn of: Xerotricha conspurcata (J.P.R. Draparnaud, 1801) - (HYGROMIIDAE)
- narchii, Mysella narchii F.D. Passos & O. Domaneschi, 2006 - (MONTACUTIDAE)
- narcisi, Annularita majuscula narcisi (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- narcisissima, Kanamarua narcisissima K. Fraussen & D. Lamy, 2008 - syn of: Kanamarua narcissisma K. Fraussen & D. Lamy, 2008 - (COLUBRARIIDAE)
- narcisselli, Atlantilux narcisselli Y.F. Huang, 2015 - (COSTELLARIIDAE)
- narcissisma, Kanamarua narcissisma K. Fraussen & D. Lamy, 2008 - (COLUBRARIIDAE)
- narcissus, Drymaeus narcissus J.A. Albers, 1854 - (BULIMULIDAE)
- narcissus, Conus narcissus J.B.P.A. Lamarck, 1810 - syn of: Chelyconus ermineus (I. von Born, 1778) - (CONIDAE)
- nardi, Hypselodoris nardi J.B. Vérany, 1846 - syn of: Felimare picta (Schultz in R.A. Philippi, 1836) - (CHROMODORIDIDAE)
- nardi, Doris nardi J.B. Vérany, 1846 - syn of: Felimare picta (Schultz in R.A. Philippi, 1836) - (DORIDIDAE)
- nardii, Chromodoris nardii J.B. Vérany, 1846 - syn of: Felimida luteorosea (J.L. Rapp, 1827) - (CHROMODORIDIDAE)
- nardii, Doris nardii J.B. Vérany, 1846 - syn of: Felimare picta (Schultz in R.A. Philippi, 1836) - (DORIDIDAE)
- nardii, Juraphyllites nardii (Meneghini, 1853 †) - (JURAPHYLLITIDAE) (FOSSIL)
- nardini, Buchiceras nardini Redtenbacher, 1873 † - syn of: Tissotioides haplophyllus (Redtenbacher, 1873 †) - (ACANTHOCERATIDAE) (FOSSIL)
- nardinii, Trochus nardinii R. Selli, 1973 - syn of: Trochus submorum (R. Abrard, 1942) - (TROCHIDAE)
- nardoafrianti, Thyca nardoafrianti (T. Habe, 1976) - (EULIMIDAE)
- nardoi, Odostomia nardoi Š. Brusina, 1869 - (PYRAMIDELLIDAE)
- nardoi pallidoides, Odostomia nardoi pallidoides F. Nordsieck, 1972 - (PYRAMIDELLIDAE)
- narel, Marginella narel F.P. Jousseaume, 1875 - syn of: Glabella adansoni (L.C. Kiener, 1834) - (MARGINELLIDAE)
- narelleae, Figuladra narelleae J. Stanisic & D.G. Potter, 2010 - (CAMAENIDAE)
- narentana, Emmericia narentana J.R. Bourguignat, 1880 - (AMNICOLIDAE)
- narentana, Bithynia narentana É.A.A. Locard, 1874 - syn of: Bithynia mostarensis O.F. von Möllendorff, 1873 - (BITHYNIIDAE)
- narentana, Agathyllina narentana (A. Schmidt, 1868) - (CLAUSILIIDAE)
- narentana, Helix narentana W. Kobelt, 1877 - syn of: Liburnica insolita (E.A. Rossmässler, 1838) - (HELICIDAE)
- narentana, Radomaniola curta narentana (P. Radoman, 1973) - (HYDROBIIDAE)
- Narentiana, Genus Narentiana P. Radoman, 1973 (HYDROBIIDAE)
- naresi, Offleyotrochus naresi (R. Etheridge jr., 1878 †) - (EUOMPHALIDAE) (FOSSIL)
- Nargunella, Genus Nargunella Talent, 1963 † (ASTARTIDAE) (FOSSIL)
- Naria, syn of: Genus Erosaria F.H. Troschel, 1863 (CYPRAEIDAE)
- nariaeformis, Erosaria albuginosa nariaeformis F.A. Schilder, 1930 - (CYPRAEIDAE)
- narica, Akera narica E.W. Vredenburg, 1925 † - (AKERIDAE) (FOSSIL)
- narica, Architectonica narica E.W. Vredenburg, 1928 † - (ARCHITECTONICIDAE) (FOSSIL)
- narica, Aturia narica E.W. Vredenburg, 1925 † - (ATURIIDAE) (FOSSIL)
- narica, Unitas narica (E.W. Vredenburg, 1925 †) - (CANCELLARIIDAE) (FOSSIL)
- narica, Euthriofusus subregularis narica E.W. Vredenburg, 1925 † - (FASCIOLARIIDAE) (FOSSIL)
- narica, Eocithara narica E.W. Vredenburg, 1925 † - (HARPIDAE) (FOSSIL)
- narica, Lucina narica E.W. Vredenburg, 1928 † - (LUCINIDAE) (FOSSIL)
- narica, Glabella narica E.W. Vredenburg, 1925 † - (MARGINELLIDAE) (FOSSIL)
- narica, Nassaria nivea narica E.W. Vredenburg, 1925 - (NASSARIIDAE)
- narica, Nucula narica E.W. Vredenburg, 1928 † - (NUCULIDAE) (FOSSIL)
- narica, Bellatara narica (E.W. Vredenburg, 1925 †) - (PACHYCHILIDAE) (FOSSIL)
- narica, Varicospira narica (E.W. Vredenburg, 1925 †) - (ROSTELLARIIDAE) (FOSSIL)
- narica, Terebra narica E.W. Vredenburg, 1925 † - (TEREBRIDAE) (FOSSIL)
- narica, Hemipleurotoma narica E.W. Vredenburg, 1925 † - (TURRIDAE) (FOSSIL)
- narica, Turritella narica E.W. Vredenburg, 1928 † - (TURRITELLIDAE) (FOSSIL)
- narica, Diplodonta incerta narica E.W. Vredenburg, 1928 - (UNGULINIDAE)
- Narica, syn of: Genus Vanikoro J.R.C. Quoy & J.P. Gaimard, 1832 (VANIKORIDAE)
- narica baluchistanensis, Turritella narica baluchistanensis E.W. Vredenburg, 1928 - (TURRITELLIDAE)
- naricata, Promathildia naricata Grundel, 1997 † - syn of: Jurilda naricata (Grundel, 1997 †) - (GORDENELLIDAE) (FOSSIL)
- naricata, Jurilda naricata (Grundel, 1997 †) - (MATHILDIDAE) (FOSSIL)
- naricatoidea, Angulathilda naricatoidea (A. Kaim, 2004 †) - (MATHILDIDAE) (FOSSIL)
- Naricava, Genus Naricava C. Hedley, 1913 (TORNIDAE)
- naricopsiformis, Ataphrus naricopsiformis J. Gründel, 2007 † - (ATAPHRIDAE) (FOSSIL)
- Naricopsina, Genus Naricopsina Chelot, 1887 † (NARICOPSINIDAE) (FOSSIL)
- NARICOPSINIDAE Gründel, 2001 † - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-ARCHITAENIOGLOSSA [Order]-AMPULLARIOIDEA [Superfamily]) (FOSSIL)
- naricum, Discors naricum E.W. Vredenburg, 1928 † - (CARDIIDAE) (FOSSIL)
- naricum, Cerithium naricum E.W. Vredenburg, 1925 † - syn of: Bellatara narica (E.W. Vredenburg, 1925 †) - (CERITHIIDAE) (FOSSIL)
- naricus, Haustellum naricus E.W. Vredenburg, 1925 † - (MURICIDAE) (FOSSIL)
- naricus, Seraphs naricus E.W. Vredenburg, 1925 † - (SERAPHSIDAE) (FOSSIL)
- naricus, Turbo naricus E.W. Vredenburg, 1928 † - (TURBINIDAE) (FOSSIL)
- Naridista, Subgenus Micreschara (Naridista) Laws, 1939 (VANIKORIDAE) (FOSSIL)
- narii, Fluviopupa narii M. Haase, Fontaine & O. Gargominy, 2010 - (HYDROBIIDAE)
- Nariini, syn of: Genus Propustularia F.A. Schilder, 1927 (CYPRAEIDAE)
- Narina, Subgenus Leucozonella (Narina) A.A. Schileyko, 1978 (HYGROMIIDAE)
- narina, Teinostoma narina H.A. Pilsbry & A.A. Olsson, 1945 - (TORNIDAE)
- narinensis, Solariorbis narinensis H.A. Pilsbry & A.A. Olsson, 1952 - (TORNIDAE)
- narinosa, Primovula narinosa C.N. Cate, 1973 - (OVULIDAE)
- Narinula, syn of: Subgenus Leucozonella (Narina) A.A. Schileyko, 1978 (HYGROMIIDAE)
- narita, Barbitonia arthritica narita (S. Nomura & K.M. Hatai, 1937) - (BUCCINIDAE)
- Naritra, Genus Naritra Stephenson, 1954 † (POLLICIDAE) (FOSSIL)
- narniensis, Viviparus belluccii narniensis (O. Girotti, 1966 †) - (VIVIPARIDAE) (FOSSIL)
- Narona, Genus Narona H. Adams & A. Adams, 1854 (CANCELLARIIDAE)
- naroniformis, Fusiaphera naroniformis (Finlay, 1930 †) - (CANCELLARIIDAE) (FOSSIL)
- narrabeenensis, Pisinna narrabeenensis C.F. Laseron, 1950 - syn of: Pisinna frauenfeldi (G.R. von Frauenfeld, 1867) - (ANABATHRIDAE)
- narracanensis, Hyridella narracanensis B.C. Cotton & C.J. Gabriel, 1932 - (HYRIIDAE)
- Narraeolida, Genus Narraeolida R.F. Burn, 1961 (FIONIDAE)
- Narraeolidia, syn of: Genus Cuthona J. Alder & A. Hancock, 1855 (FIONIDAE)
- Narraweena, syn of: Genus Maoritomella A. Powell, 1942 (BORSONIIDAE)
- Narrimania, Genus Narrimania M. Taviani, 1984 (NYSTIELLIDAE)
- Narrowteuthis, Genus Narrowteuthis A.T. Young & M. Vecchione, 2005 (NEOTEUTHIDAE)
- narthecia, Nuculana narthecia C. Hedley, 1915 - syn of: Nuculana fulgida (C.B. Adams, 1856) - (NUCULANIDAE)
- narthecia, Yoldia narthecia (C. Hedley, 1915) - (YOLDIIDAE)
- Narthecoceras, Genus Narthecoceras Hyatt , 1895 † (NARTHECOCERATIDAE) (FOSSIL)
- NARTHECOCERATIDAE Flower, 1958 † - Family (CEPHALOPODA-ORTHOCERATOIDEA [Subclass]-ORTHOCERIDA [Order]) (FOSSIL)
- narutoensis, Cadella narutoensis T. Habe, 1960 - (TELLINIDAE)
- narval, Buccinum narval J.G. Bruguière, 1789 - syn of: Acanthina monodon (P.S. Pallas, 1774) - (BUCCINIDAE)
- Narvaliscala, Genus Narvaliscala T. Iredale, 1936 (EPITONIIDAE)
- narzanensis, Acrotomina narzanensis (O.W. Von Rosen, 1901) - (CLAUSILIIDAE)
- narzanensis, Fruticocampylaea narzanensis (I. Krynicki, 1833) - (HYGROMIIDAE)
- narzanensis appeliusi, Helix narzanensis appeliusi O. Böttger, 1883 - syn of: Euomphalia appeliana (A. Mousson, 1876) - (HELICIDAE)
- narzanensis cyclothira, Helix narzanensis cyclothira O. Böttger, 1883 - syn of: Fruticocampylaea narzanensis (I. Krynicki, 1833) - (HELICIDAE)
- narzanensis kobiensis, Fruticocampylaea narzanensis kobiensis (O. Böttger, 1883) - (HYGROMIIDAE)
- narzanensis macromphala, Helix narzanensis macromphala O. Böttger, 1883 - syn of: Fruticocampylaea narzanensis (I. Krynicki, 1833) - (HELICIDAE)
- narzanensis solidior, Helix narzanensis solidior A. Mousson, 1863 - syn of: Hesseola solidior (A. Mousson, 1863) - (HELICIDAE)
- narzanensis suanetica, Helix narzanensis suanetica O. Böttger, 1883 - syn of: Fruticocampylaea narzanensis (I. Krynicki, 1833) - (HELICIDAE)
- narzikulovi, Pseudocaspia narzikulovi (Z.I. Izzatullaev, 1972) - (HYDROBIIDAE)
- narzolina, Melanopsis narzolina d'Archiac in Viquesnel, 1846 † - (MELANOPSIDAE) (FOSSIL)
- narzolina compressoides, Melanopsis narzolina compressoides F. Sacco, 1895 † - (MELANOPSIDAE) (FOSSIL)
- narzolina dertocylindrica, Melanopsis narzolina dertocylindrica F. Sacco, 1895 † - (MELANOPSIDAE) (FOSSIL)
- narzolina gigantea, Melanopsis narzolina gigantea Robles, 1975 † - (MELANOPSIDAE) (FOSSIL)
- narzolina italica, Melanopsis narzolina italica C.L.F. von Sandberger, 1872 † - syn of: Melanopsis narzolina d'Archiac in Viquesnel, 1846 † - (MELANOPSIDAE) (FOSSIL)
- narzykulovi, Lymnaea narzykulovi Z.I. Izzatullaev, N.D. Kruglov & Y.I. Starobogatov, 1983 - (LYMNAEIDAE)
- nasai, Falcimytilus nasai T. Kobayashi & M. Ichikawa, 1950 † - (MYTILIDAE) (FOSSIL)
- nasai hirataides, Falcimytilus nasai hirataides T. Kobayashi & M. Ichikawa, 1950 † - (MYTILIDAE) (FOSSIL)
- nasai nagaides, Falcimytilus nasai nagaides T. Kobayashi & M. Ichikawa, 1950 † - (MYTILIDAE) (FOSSIL)
- nasca, Lima nasca (F.R. Bernard, 1988) - (LIMIDAE)
- nasese, Erosaria nasese W.R. Steadman & B.C. Cotton, 1943 - syn of: Erosaria labrolineata (J.S. Gaskoin, 1849) - (CYPRAEIDAE)
- nashae, Intistoma nashae (Clark, 1915 †) - (TROCHIDAE) (FOSSIL)
- nashi, Semicassis nashi T. Iredale, 1931 - syn of: Semicassis bisulcata (G.H. Schubert & J.A. Wagner, 1829) - (CASSIDAE)
- nashi, Erosaria labrolineata nashi T. Iredale, 1931 - (CYPRAEIDAE)
- nashvillensis, Loxobucania nashvillensis (Ulrich & Scofield, 1897 †) - (BUCANIIDAE) (FOSSIL)
- nashvillianus, Unio nashvillianus I. Lea, 1834 - syn of: Ligumia subrostrata (T. Say, 1831) - (UNIONIDAE)
- nasica, Zidona nasica G.H. Schubert & J.A. Wagner, 1829 - syn of: Zidona dufresnei (E. Donovan, 1823) - (VOLUTIDAE)
- nasika, Saptadanta nasika B. Prashad & Surya Rao, 1934 - (LEPETELLIDAE)
- nasimoyensis, Achatina panthera nasimoyensis J.R. Bourguignat, 1879 - (ACHATINIDAE)
- naskensis, Ptychosyrinx bisinuata naskensis A.V. Sysoev & D.L. Ivanov, 1985 - (TURRIDAE)
- Naskia, Genus Naskia A.V. Sysoev & D.L. Ivanov, 1985 (HORAICLAVIDAE)
- naso, Rhynchotrochus naso (E.C. Von Martens, 1883) - (CAMAENIDAE)
- naso, Coroceras naso (Mojsisovics, 1875 †) - (LOBITIDAE) (FOSSIL)
- nasoni, Eotomaria nasoni J.W. Hall, 1861 † - syn of: Paraliospira supracingulata (Billings, 1857 †) - (EOTOMARIIDAE) (FOSSIL)
- nasoni, Stagnicola catascopium nasoni F.C. Baker, 1906 - (LYMNAEIDAE)
- nasoni, Pleurotomaria nasoni Billings, 1857 † - syn of: Paraliospira supracingulata (Billings, 1857 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- Nasonia, syn of: Subgenus Galba (Bakerilymnaea) W.K. Weyrauch, 1964 (LYMNAEIDAE)
- Nasopharus, Genus Nasopharus R. von Cosel, 1993 (PHARIDAE)
- nassa, Hydrobioides nassa (W. Theobald, 1865) - (BITHYNIIDAE)
- nassa, Nassicola nassa (Finlay, 1926 †) - (BUCCINIDAE) (FOSSIL)
- nassa, Scalptia nassa (J.F. Gmelin, 1791) - (CANCELLARIIDAE)
- nassa, Cocculina nassa W.H. Dall, 1908 - (COCCULINIDAE)
- nassa, Leucozonia nassa (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- Nassa, Genus Nassa P.F. Röding, 1798 (MURICIDAE)
- nassa, Murex nassa J.F. Gmelin, 1791 - syn of: Leucozonia nassa (J.F. Gmelin, 1791) - (MURICIDAE)
- nassa, Lavigeria nassa (S. Woodward, 1859) - (PALUDOMIDAE)
- nassa, Turbinella nassa J.F. Gmelin, 1791 - syn of: Leucozonia nassa (J.F. Gmelin, 1791) - (TURBINELLIDAE)
- nassa, Voluta nassa J.F. Gmelin, 1791 - syn of: Scalptia nassa (J.F. Gmelin, 1791) - (VOLUTIDAE)
- nassa brasiliana, Leucozonia nassa brasiliana (A.V.M.D. D'Orbigny, 1841) - (FASCIOLARIIDAE)
- nassa giraudi, Lavigeria nassa giraudi (J.R. Bourguignat, 1885) - (PALUDOMIDAE)
- nassa leucozonalis, Leucozonia nassa leucozonalis (J.B.P.A. Lamarck, 1822) - syn of: Leucozonia leucozonalis (J.B.P.A. Lamarck, 1822) - (FASCIOLARIIDAE)
- nassa nudicarinata, Lavigeria nassa nudicarinata (S. Woodward, 1859) - (PALUDOMIDAE)
- nassa paucicostata, Lavigeria nassa paucicostata (E.A. Smith, 1881) - (PALUDOMIDAE)
- nassaeformis, Melanopsis nassaeformis M. von Neumayr, 1880 † - syn of: Melanopsis gorceixi proteus J.R. Tournouër, 1875 † - (MELANOPSIDAE) (FOSSIL)
- nassaeformis, Semisulcospira libertina nassaeformis J.T. Kuroda & T. Kanamaru, 1929 - (SEMISULCOSPIRIDAE)
- Nassaria, Genus Nassaria J.H.F. Link, 1807 (NASSARIIDAE)
- nassariaeformis, Provanna nassariaeformis T.A. Okutani, 1990 - (PROVANNIDAE)
- nassariformis, Cancellaria nassariformis Covacevich & D. Frassinetti, 1986 † - (CANCELLARIIDAE) (FOSSIL)
- nassariformis, Nassarius nassariformis R.P. Lesson, 1842 - syn of: Phrontis nassiformis (R.P. Lesson, 1842) - (NASSARIIDAE)
- nassariformis, Sassia nassariformis (G.B. III Sowerby, 1902) - (RANELLIDAE)
- NASSARIIDAE Iredale, 1916 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-BUCCINOIDEA [Superfamily])
- Nassarina, Genus Nassarina W.H. Dall, 1889 (COLUMBELLIDAE)
- Nassarius, Genus Nassarius Duméril, 1805 (NASSARIIDAE)
- nassatula, Peristernia nassatula (J.B.P.A. Lamarck, 1822) - (FASCIOLARIIDAE)
- nassatula, Turbinella nassatula J.B.P.A. Lamarck, 1822 - syn of: Peristernia nassatula (J.B.P.A. Lamarck, 1822) - (TURBINELLIDAE)
- nassatula deshayesii, Peristernia nassatula deshayesii H.C. Küster & W. Kobelt, 1876 - syn of: Peristernia nassatula (J.B.P.A. Lamarck, 1822) - (FASCIOLARIIDAE)
- nassatula forskalii, Peristernia nassatula forskalii C.M. Tapparone-Canefri, 1875 - syn of: Peristernia forskalii (C.M. Tapparone-Canefri, 1875) - (FASCIOLARIIDAE)
- nassatula subnassatula, Peristernia nassatula subnassatula S.M. Souverbie, 1872 - (FASCIOLARIIDAE)
- nassauense, Chondropoma canescens nassauense P. Bartsch, 1946 - (POMATIIDAE)
- nassauensis, Planikellya nassauensis R. Marquet, Lenaerts & Laporte, 2012 † - (LASAEIDAE) (FOSSIL)
- nassauiensis, Gibbula nassauiensis R.E.C. Stearns, 1893 ex Chemnitz MS - syn of: Gibbula senegalensis K.T. Menke, 1853 - (TROCHIDAE)
- Nassauoceras, Genus Nassauoceras Miller, 1932 † (TETRAGONOCERATIDAE) (FOSSIL)
- Nasseburna, syn of: Genus Nassarius Duméril, 1805 (NASSARIIDAE)
- nassichuki, Maximites nassichuki Work & al., 2012 † - (MAXIMITIDAE) (FOSSIL)
- nassichuki, Neoshumardites nassichuki Kutygin & Ganelin, 2013 † - (SOMOHOLITIDAE) (FOSSIL)
- Nassichukites, Genus Nassichukites Tozer , 1979 † (THETIDITIDAE) (FOSSIL)
- Nassicola, Genus Nassicola Finlay, 1924 † (BUCCINIDAE) (FOSSIL)
- nassiformis, Babylonella nassiformis G. Seguenza, 1880 † - (CANCELLARIIDAE) (FOSSIL)
- nassiformis, Cancellaria nassiformis R.P. Lesson, 1842 - syn of: Phrontis nassiformis (R.P. Lesson, 1842) - (CANCELLARIIDAE)
- nassiformis, Phrontis nassiformis (R.P. Lesson, 1842) - (NASSARIIDAE)
- nassiformis, Nassarius nassiformis R.P. Lesson, 1842 - syn of: Phrontis nassiformis (R.P. Lesson, 1842) - (NASSARIIDAE)
- nassiformis profunda, Babylonella nassiformis profunda C. Tabanelli, 1985 † - (CANCELLARIIDAE) (FOSSIL)
- Nassodonta, Genus Nassodonta H. Adams, 1867 (NASSARIIDAE)
- nassoides, Cominella nassoides (L.A. Reeve, 1846) - (BUCCINIDAE)
- nassoides, Eucominia nassoides L.A. Reeve, 1846 - syn of: Cominella nassoides (L.A. Reeve, 1846) - (BUCCINIDAE)
- nassoides, Cancellaria nassoides M.M. Schepman, 1911 - syn of: Admetula garrardi R.E. Petit, 1974 - (CANCELLARIIDAE)
- nassoides, Bonellitia nassoides M.M. Schepman, 1911 - syn of: Admetula garrardi R.E. Petit, 1974 - (CANCELLARIIDAE)
- nassoides, Cerithium nassoides G.B. II Sowerby, 1855 - syn of: Cerithium atromarginatum P. Dautzenberg & J.L. Bouge, 1933 - (CERITHIIDAE)
- nassoides, Etrema nassoides (L.A. Reeve, 1845) - (CLATHURELLIDAE)
- nassoides, Atilia nassoides (J.P.S. Grateloup, 1827 †) - (COLUMBELLIDAE) (FOSSIL)
- nassoides, Latirus nassoides (L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- nassoides, Bela nassoides J. Gardner, 1938 - (MANGELIIDAE)
- nassoides, Strigatella nassoides G.B. Sowerby, 1874 - syn of: Strigatella pellisserpentis L.A. Reeve, 1844 - (MITRIDAE)
- nassoides, Purpura nassoides J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Oppomorus noduliferus (K.T. Menke, 1829) - (MURICIDAE)
- nassoides, Nassaria nassoides E. Griffith & E. Pidgeon, 1834 - syn of: Nassaria acuminata (L.A. Reeve, 1844) - (NASSARIIDAE)
- nassoides, Triton nassoides L.A. Reeve, 1844 - syn of: Trajana perideris (W.H. Dall, 1910) - (RANELLIDAE)
- nassoides, Impages nassoides (R.B. Hinds, 1844) - (TEREBRIDAE)
- nassoides, Turbinella nassoides L.A. Reeve, 1847 - syn of: Latirus nassoides (L.A. Reeve, 1847) - (TURBINELLIDAE)
- nassoides, Pleurotoma nassoides L.A. Reeve, 1845 - syn of: Etrema nassoides (L.A. Reeve, 1845) - (TURRIDAE)
- nassoides consobrina, Cominella nassoides consobrina A.W.B. Powell, 1933 - (BUCCINIDAE)
- nassoides foveauxana, Eucominia nassoides foveauxana A.W.B. Powell, 1946 - syn of: Cominella nassoides (L.A. Reeve, 1846) - (BUCCINIDAE)
- nassoides grateloupi, Atilia nassoides grateloupi M.A. Peyrot, 1924 † - (COLUMBELLIDAE) (FOSSIL)
- nassoides haroldi, Cominella nassoides haroldi A.W.B. Powell, 1946 - (BUCCINIDAE)
- nassoides iredalei, Cominella nassoides iredalei (H.J. Finlay, 1928) - (BUCCINIDAE)
- nassoides minor, Cerithium nassoides minor M. Couturier, 1907 - syn of: Cerithium atromarginatum P. Dautzenberg & J.L. Bouge, 1933 - (CERITHIIDAE)
- nassoides nodicincta, Cominella nassoides nodicincta E.C. Von Martens, 1878 - (BUCCINIDAE)
- nassoides otakauica, Cominella nassoides otakauica A.W.B. Powell, 1946 - (BUCCINIDAE)
- Nassopsidia, syn of: Subgenus Laevigera (Edgaria) J.R. Bourguignat, 1888 (PLEUROCERIDAE)
- Nassopsis, syn of: Subgenus Laevigera (Edgaria) J.R. Bourguignat, 1888 (PLEUROCERIDAE)
- nassoviensis, Babinicardia clathrata nassoviensis (Beushausen, 1895 †) - (HIPPOCARDIIDAE) (FOSSIL)
- Nassrius, syn of: Genus Nassarius Duméril, 1805 (NASSARIIDAE)
- nassula, Pseudoliomesus nassula (W.H. Dall, 1901) - (BUCCINIDAE)
- nassula, Fissuridea nassula T.A. Conrad, 1845 † - (FISSURELLIDAE) (FOSSIL)
- nassula, Lucinisca nassula (T.A. Conrad, 1846) - (LUCINIDAE)
- nassula, Elimia nassula (T.A. Conrad, 1834) - (PLEUROCERIDAE)
- nassula, Terebra nassula W.H. Dall, 1889 - (TEREBRIDAE)
- nassulum, Buccinum nassulum C.U.A. von Salis-Marschlins, 1793 - syn of: Nassarius nitidus (J.G. Jeffreys, 1867) - (BUCCINIDAE)
- Nastia, Genus Nastia F. Riedel, 1989 (ZONITIDAE)
- nasua, Merisca nasua A.A. Olsson, 1922 † - (TELLINIDAE) (FOSSIL)
- nasui, Angaria nasui Thach, 2016 - (ANGARIIDAE)
- nasui, Discotectonica nasui S. Kosuge, 1979 - syn of: Discotectonica nipponica (J.T. Kuroda & T. Habe, 1971) - (ARCHITECTONICIDAE)
- nasui, Granosolarium nasui S. Kosuge, 1979 - syn of: Discotectonica nipponica (J.T. Kuroda & T. Habe, 1971) - (ARCHITECTONICIDAE)
- nasui, Conus nasui T. Ninomiya, 1974 - syn of: Conasprella eugrammata P. Bartsch & H.A. Rehder, 1943 - (CONIDAE)
- Nasus, Subgenus Pseudodon (Nasus) Simpson, 1900 (UNIONIDAE)
- nasuta, Astartella nasuta Girty, 1909 † - (ASTARTIDAE) (FOSSIL)
- nasuta, Chloritis nasuta A.R.J.B. Bavay & P. Dautzenberg, 1909 - (CAMAENIDAE)
- nasuta, Antepepta nasuta Finlay & J. Marwick, 1937 † - (CANCELLARIIDAE) (FOSSIL)
- nasuta, Claibornicardia nasuta (W.H. Dall, 1903 †) - (CARDITIDAE) (FOSSIL)
- nasuta, Columbella nasuta Š. Brusina, 1865 - syn of: Mitrella coccinea (R.A. Philippi, 1836) - (COLUMBELLIDAE)
- nasuta, Mitrella nasuta Š. Brusina, 1865 - syn of: Mitrella coccinea (R.A. Philippi, 1836) - (COLUMBELLIDAE)
- nasuta, Columbella nasuta K.T. Menke, 1851 - syn of: Sincola dorsata (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- nasuta, Euplica nasuta J.F. Gmelin, 1790 - syn of: Euplica scripta (J.B.P.A. Lamarck, 1822) - (COLUMBELLIDAE)
- nasuta, Caryocorbula nasuta (G.B. I Sowerby, 1833) - (CORBULIDAE)
- nasuta, Corbula nasuta G.B. I Sowerby, 1833 - syn of: Caryocorbula nasuta (G.B. I Sowerby, 1833) - (CORBULIDAE)
- nasuta, Corbula nasuta sensu P. Dautzenberg, 1910 - syn of: Corbula dautzenbergi É. Lamy, 1941 - (CORBULIDAE)
- nasuta, Pusia nasuta G.B. Sowerby, 1874 - syn of: Vexillum catenatum (W.J. Broderip, 1836) - (COSTELLARIIDAE)
- nasuta, Ctenodonta nasuta (J.W. Hall, 1847 †) - (CTENODONTIDAE) (FOSSIL)
- nasuta, Cuspidaria nasuta (C.B. Adams, 1864) - (CUSPIDARIIDAE)
- nasuta, Cypraea nasuta Sowerby, 1839 † - (CYPRAEIDAE) (FOSSIL)
- nasuta, Rhinocochlis nasuta (W. Metcalfe, 1851) - (DYAKIIDAE)
- nasuta, Scittila nasuta (T.L. Casey, 1961 †) - (ICANOTIIDAE) (FOSSIL)
- nasuta, Mactrotoma nasuta (Gould, 1851) - (MACTRIDAE)
- nasuta, Mactra nasuta A.A. Gould, 1851 - syn of: Mactrotoma nasuta (Gould, 1851) - (MACTRIDAE)
- nasuta, Rangia nasuta W.H. Dall, 1884 - syn of: Rangia cuneata Sowerby, 1831 - (MACTRIDAE)
- nasuta, Malletia nasuta J. Marwick, 1931 † - (MALLETIIDAE) (FOSSIL)
- nasuta, Leiosolenus nasuta (R.A. Philippi, 1846) - (MYTILIDAE)
- nasuta, Lithophaga nasuta † - (MYTILIDAE) (FOSSIL)
- nasuta, Lithophaga nasuta R.W. Dunker, 1882 - syn of: Leiosolenus lima (É. Lamy, 1919) - (MYTILIDAE)
- nasuta, Moricandia nasuta (E.C. Von Martens, 1886) - (ODONTOSTOMIDAE)
- nasuta, Pteria nasuta R. Tate, 1886 † - (PTERIIDAE) (FOSSIL)
- nasuta, Wainuia nasuta A.W.B. Powell, 1946 - (RHYTIDIDAE)
- nasuta, Theora nasuta C. Hedley, 1909 - (SEMELIDAE)
- nasuta, Macoma nasuta (T.A. Conrad, 1837) - (TELLINIDAE)
- nasuta, Tellina nasuta A.T. von Middendorff, 1849 - syn of: Macoma calcarea (J.F. Gmelin, 1792) - (TELLINIDAE)
- nasuta, Tellina nasuta T.A. Conrad, 1837 - syn of: Macoma nasuta (T.A. Conrad, 1837) - (TELLINIDAE)
- nasuta, Neopisthotrigonia nasuta (Etheridge, 1872) † - (TRIGONIIDAE) (FOSSIL)
- nasuta, Turritella nasuta † - (TURRITELLIDAE) (FOSSIL)
- nasuta, Ligumia nasuta (T. Say, 1817) - (UNIONIDAE)
- nasuta, Unio nasuta J.B.P.A. Lamarck, 1819 - syn of: Elliptio dilatata C.S. Rafinesque, 1820 - (UNIONIDAE)
- nasuta, Tapes nasuta G.S. Coen, 1914 - syn of: Polititapes aureus (J.F. Gmelin, 1791) - (VENERIDAE)
- nasuta, Voluta nasuta J.F. Gmelin, 1791 - syn of: Euplica scripta (J.B.P.A. Lamarck, 1822) - (VOLUTIDAE)
- nasuta radiata, Scittila nasuta radiata (T.L. Casey, 1961 †) - (ICANOTIIDAE) (FOSSIL)
- nasuta tumaca, Caryocorbula nasuta tumaca (A.A. Olsson, 1961) - (CORBULIDAE)
- nasutaformis, Ctenodonta nasutaformis Kobayashi, 1934 † - (CTENODONTIDAE) (FOSSIL)
- nasutulus, Unio nasutulus I. Lea, 1863 - syn of: Elliptio producta T.A. Conrad, 1836 - (UNIONIDAE)
- nasutum, Conocardium nasutum J.W. Hall, 1883 † - syn of: Hoareicardia cuneus (T.A. Conrad, 1840 †) - (CONOCARDIIDAE) (FOSSIL)
- nasutum, Coroceras nasutum (Mojsisovics, 1875 †) - (LOBITIDAE) (FOSSIL)
- nasutum, Orthodesma nasutum (J.W. Hall, 1847 †) - (MODIOMORPHIDAE) (FOSSIL)
- nasutum, Platyceras nasutum Miller, 1891 † - (PLATYCERATIDAE) (FOSSIL)
- nasutum, Prionoceras nasutum (Pajchlowa, 1972 †) - (PRIONOCERATIDAE) (FOSSIL)
- nasutus, Lanistes nasutus G. Mandahl-Barth, 1972 - (AMPULLARIIDAE)
- nasutus, Bulimus nasutus E.C. Von Martens, 1885 - (BULIMULIDAE)
- nasutus, Protoceras nasutus W.A. Marsh, 1897 † - (CERATITIDA (UNASSIGNED)) (FOSSIL)
- nasutus, Rangia nasutus W.H. Dall, 1884 - syn of: Rangia cuneata Sowerby, 1831 - (MACTRIDAE)
- nasutus, Anodontites nasutus W.B. Marshall - syn of: Anodontites trigona (J.B. von Spix & J.A. Wagner, 1827) - (MYCETOPODIDAE)
- nasutus, Nasopharus nasutus R. von Cosel, 1993 - (PHARIDAE)
- nasutus, Bulinus nasutus E.C. Von Martens, 1879 - (PLANORBIDAE)
- nasutus, Unio nasutus T. Say, 1817 - syn of: Elliptio producta T.A. Conrad, 1836 - (UNIONIDAE)
- nata, Turbonilla nata S. Nomura, 1938 - (PYRAMIDELLIDAE)
- Nata, Genus Nata H. Watson, 1934 (RHYTIDIDAE)
- natalabies, Babelomurex natalabies M. Oliverio, 2008 - (MURICIDAE)
- natalaurantius, Darioconus natalaurantius S.G. Veldsman, 2013 - (CONIDAE)
- natalcinerea, Marginella natalcinerea W. Massier, 1993 - (MARGINELLIDAE)
- natalense, Buccinum natalense C.F.F. von Krauss, 1848 - syn of: Bullia natalensis (C.F.F. von Krauss, 1848) - (BUCCINIDAE)
- natalense, Cerithium natalense W. Kobelt, 1893 - syn of: Cerithideopsis pliculosa (K.T. Menke, 1829) - (CERITHIIDAE)
- natalense, Paradentalium natalense (K.H. Barnard, 1963) - (DENTALIIDAE)
- natalense, Eulophoceras natalense A. Hyatt, 1903 † - (SPHENODISCIDAE) (FOSSIL)
- natalense, Columbarium natalense J.R. le B. Tomlin, 1928 - (TURBINELLIDAE)
- natalensis, Achatina natalensis L. Pfeiffer - (ACHATINIDAE)
- natalensis, Acteocina natalensis K.H. Barnard, 1963 - syn of: Acteocina fusiformis (A. Adams, 1850) - (ACTEOCINIDAE)
- natalensis, Actaeocina natalensis K.H. Barnard, 1963 - syn of: Acteocina fusiformis (A. Adams, 1850) - (ACTEOCINIDAE)
- natalensis, Acteon natalensis K.H. Barnard, 1963 - syn of: Acteocina fusiformis (A. Adams, 1850) - (ACTEONIDAE)
- natalensis, Leucotina natalensis E.A. Smith, 1910 - (AMATHINIDAE)
- natalensis, Anadara natalensis (C.F.F. von Krauss, 1848) - (ARCIDAE)
- natalensis, Armina natalensis (L.S.R. Bergh, 1866) - (ARMINIDAE)
- natalensis, Engina natalensis J.C. Melvill, 1895 - (BUCCINIDAE)
- natalensis, Pollia natalensis E.A. Smith, 1901 - syn of: Pollia subcostata (C.F.F. von Krauss, 1848) - (BUCCINIDAE)
- natalensis, Bursa natalensis A.C. dos Santos Coelho & H.C. Matthews, 1970 - (BURSIDAE)
- natalensis, Fulvia natalensis (C.F.F. von Krauss, 1848) - (CARDIIDAE)
- natalensis, Edouardia natalensis (L. Pfeiffer, 1846) - (CERASTUIDAE)
- natalensis, Pachnodus natalensis (C.F.F. von Krauss, 1846) - (CERASTUIDAE)
- natalensis, Seila natalensis E.A. Smith, 1914 - (CERITHIOPSIDAE)
- natalensis, Chaetopleura natalensis P. Kaas & R.A. Van Belle, 1990 - syn of: Chaetopleura pustulata (C.F.F. von Krauss, 1848) - (CHAETOPLEURIDAE)
- natalensis, Vaceuchelus natalensis (E.A. Smith, 1906) - (CHILODONTIDAE)
- natalensis, Mitrella natalensis (J.R. le B. Tomlin, 1926) - (COLUMBELLIDAE)
- natalensis, Columbella natalensis J.R. le B. Tomlin, 1926 - syn of: Mitrella natalensis (J.R. le B. Tomlin, 1926) - (COLUMBELLIDAE)
- natalensis, Pyrene natalensis J.R. le B. Tomlin, 1926 - syn of: Mitrella natalensis (J.R. le B. Tomlin, 1926) - (COLUMBELLIDAE)
- natalensis, Conus natalensis G.B. II Sowerby, 1857 - syn of: Nataliconus natalis (G.B. II Sowerby, 1858) - (CONIDAE)
- natalensis, Indocrassatella natalensis (K.H. Barnard, 1964) - (CRASSATELLIDAE)
- natalensis, Cuspidaria natalensis J. Knudsen, 1970 - (CUSPIDARIIDAE)
- natalensis, Talostolida teres natalensis (E.L. Heiman & H.K. Mienis, 2002) - (CYPRAEIDAE)
- natalensis, Corbicula natalensis S. Clessin, 1879 - syn of: Corbicula africana (C.F.F. von Krauss, 1848) - (CYRENIDAE)
- natalensis, Discodoris natalensis (C.F.F. von Krauss, 1848) - (DISCODORIDIDAE)
- natalensis, Doris natalensis C.F.F. von Krauss, 1848 - syn of: Discodoris natalensis (C.F.F. von Krauss, 1848) - (DORIDIDAE)
- natalensis, Chondrus natalensis Samadov, 1952 - syn of: Geminula continens (O.W. Von Rosen, 1892) - (ENIDAE)
- natalensis, Alexania natalensis (J.R. le B. Tomlin, 1926) - (EPITONIIDAE)
- natalensis, Clypeastericola natalensis A. Warén, 1994 - (EULIMIDAE)
- natalensis, Parvioris natalensis (E.A. Smith, 1899) - (EULIMIDAE)
- natalensis, Marmarofusus natalensis Snyder & W.G. Lyons, 2014 - (FASCIOLARIIDAE)
- natalensis, Emarginula natalensis K.H. Barnard, 1963 - (FISSURELLIDAE)
- natalensis, Fissurella natalensis C.F.F. von Krauss, 1848 - (FISSURELLIDAE)
- natalensis, Haminoea natalensis (C.F.F. von Krauss, 1848) - (HAMINOEIDAE)
- natalensis, Panopea natalensis S. Woodward, 1856 - syn of: Panopea glycimeris (I. von Born, 1778) - (HIATELLIDAE)
- natalensis, Spatha natalensis I. Lea, 1864 - syn of: Chambardia wahlbergi (C.F.F. von Krauss, 1848) - (IRIDINIDAE)
- natalensis, Madrasites natalensis Spath, 1922 † - syn of: Natalites africanus van Hoepen, 1920 † - (KOSSMATICERATIDAE) (FOSSIL)
- natalensis, Echinolittorina natalensis (R.A. Philippi, 1847) - (LITTORINIDAE)
- natalensis, Nodilittorina natalensis R.A. Philippi, 1847 - syn of: Echinolittorina natalensis (R.A. Philippi, 1847) - (LITTORINIDAE)
- natalensis, Littorina natalensis R.A. Philippi, 1847 - syn of: Echinolittorina natalensis (R.A. Philippi, 1847) - (LITTORINIDAE)
- natalensis, Radix natalensis (C.F.F. von Krauss, 1848) - (LYMNAEIDAE)
- natalensis, Lymnaea natalensis C.F.F. von Krauss, 1848 - syn of: Radix natalensis (C.F.F. von Krauss, 1848) - (LYMNAEIDAE)
- natalensis, Margaritifera natalensis H.L. Jameson, 1901 - syn of: Pinctada nigra (A.A. Gould, 1850) - (MARGARITIFERIDAE)
- natalensis, Favartia natalensis (E.A. Smith, 1906) - (MURICIDAE)
- natalensis, Ocenebra natalensis E.A. Smith, 1906 - syn of: Favartia natalensis (E.A. Smith, 1906) - (MURICIDAE)
- natalensis, Sphenia natalensis E.A. Smith, 1910 - (MYIDAE)
- natalensis, Nassarius natalensis (E.A. Smith, 1903) - (NASSARIIDAE)
- natalensis, Bullia natalensis (C.F.F. von Krauss, 1848) - (NASSARIIDAE)
- natalensis, Neritina natalensis L.A. Reeve, 1855 - (NERITIDAE)
- natalensis, Cerithiella natalensis K.H. Barnard, 1963 - (NEWTONIELLIDAE)
- natalensis, Uzamakiella natalensis R.N. Kilburn, 1977 † - (OLIVIDAE) (FOSSIL)
- natalensis, Oxynoe natalensis E.A. Smith, 1903 - (OXYNOIDAE)
- natalensis, Patella natalensis C.F.F. von Krauss, 1848 - (PATELLIDAE)
- natalensis, Chlamys natalensis E.A. Smith, 1906 - syn of: Laevichlamys weberi (A.R.J.B. Bavay, 1904) - (PECTINIDAE)
- natalensis, Pinna natalensis E.A. Smith, 1906 - syn of: Pinna bicolor J.F. Gmelin, 1791 - (PINNIDAE)
- natalensis, Afrogyrorbis natalensis (C.F.F. von Krauss, 1848) - (PLANORBIDAE)
- natalensis, Ferrissia natalensis B. Walker, 1924 - (PLANORBIDAE)
- natalensis, Bulinus natalensis H.C. Küster, 1841 - (PLANORBIDAE)
- natalensis, Gyraulus natalensis C.F.F. von Krauss, 1848 - syn of: Afrogyrorbis natalensis (C.F.F. von Krauss, 1848) - (PLANORBIDAE)
- natalensis, Tomichia natalensis M. Connolly, 1939 - (POMATIOPSIDAE)
- natalensis, Tropaeas natalensis E.A. Smith, 1906 - (PYRAMIDELLIDAE)
- natalensis, Raphitoma natalensis K.H. Barnard, 1958 - (RAPHITOMIDAE)
- natalensis, Retusa natalensis K.H. Barnard, 1963 - (RETUSIDAE)
- natalensis, Natalina cafra natalensis C.V. Meade, 2005 - (RHYTIDIDAE)
- natalensis, Sarepta natalensis K.H. Barnard, 1964 - (SAREPTIDAE)
- natalensis, Finella natalensis (E.A. Smith, 1899) - (SCALIOLIDAE)
- natalensis, Semele natalensis M. Huber, 2010 - (SEMELIDAE)
- natalensis, Sepia natalensis A.L. Massy, 1925 - syn of: Sepia simoniana K.H.J. Thiele, 1920 - (SEPIIDAE)
- natalensis, Siphonaria natalensis C.F.F. von Krauss, 1848 - (SIPHONARIIDAE)
- natalensis, Gulella natalensis A. Craven - (STREPTAXIDAE)
- natalensis, Tellina natalensis R.A. Philippi, 1846 - (TELLINIDAE)
- natalensis, Hastula albula natalensis (E.A. Smith, 1903) - (TEREBRIDAE)
- natalensis, Dolium natalensis E.A. Smith, 1906 - syn of: Tonna allium (L.W. Dillwyn, 1817) - (TONNIDAE)
- natalensis, Uzumakiella natalensis R.N. Kilburn, 1977 - (TORNIDAE)
- natalensis, Triphora natalensis K.H. Barnard, 1963 - (TRIPHORIDAE)
- natalensis, Trivirostra natalensis F.A. Schilder, 1932 - (TRIVIIDAE)
- natalensis, Clanculus natalensis D.G. Herbert, 1993 - (TROCHIDAE)
- natalensis, Turbo cidaris natalensis (C.F.F. von Krauss, 1848) - (TURBINIDAE)
- natalensis, Lophiotoma natalensis L. Bozzetti, 2016 - (TURRIDAE)
- natalensis, Gazameda natalensis E.A. Smith, 1910 - syn of: Turritella sanguinea L.A. Reeve, 1849 - (TURRITELLIDAE)
- natalensis, Sheldonia natalensis (L. Pfeiffer, 1846) - (UROCYCLIDAE)
- natalensis, Vanikoro natalensis E.A. Smith, 1908 - (VANIKORIDAE)
- natalensis, Tivela natalensis R.W. Dunker, 1858 - (VENERIDAE)
- natalensis, Thylacodes natalensis O.A.L. Mörch, 1862 - (VERMETIDAE)
- natalensis, Eleutherocaulis natalensis (C.F.F. von Krauss, 1848) - (VERONICELLIDAE)
- natalensis brauni, Eleutherocaulis natalensis brauni (H.R. Simroth) - (VERONICELLIDAE)
- natalensis unduosumae, Radix natalensis unduosumae E.C. Von Martens, 1898 - (LYMNAEIDAE)
- natalensis unicolor, Turbo natalensis unicolor W.H. Turton, 1932 - syn of: Turbo cidaris natalensis (C.F.F. von Krauss, 1848) - (TURBINIDAE)
- natales, Turbonilla natales C.R. Laws, 1937 † - (PYRAMIDELLIDAE) (FOSSIL)
- Natalia, syn of: Genus Maizania J.R. Bourguignat, 1889 (MAIZANIIDAE)
- natalia, Oliva natalia P.L. Duclos, 1845 - (OLIVIDAE)
- nataliae, Ceritoturris nataliae R.N. Kilburn, 1988 - (HORAICLAVIDAE)
- nataliae, Prunum nataliae G. Pérez-Dionis, J.A. Ortea & J. Espinosa, 2009 - (MARGINELLIDAE)
- nataliae, Demoulia ventricosa nataliae R.N. Kilburn, 1972 - (NASSARIIDAE)
- nataliae, Neritilia nataliae J. Espinosa & J.A. Ortea, 2010 - (NERITILIIDAE)
- nataliae, Cetomya nataliae E.M. Krylova, 2001 - (POROMYIDAE)
- nataliae, Myurella nataliae (J. Drivas & M. Jay, 1998) - syn of: Myurella nathaliae J. Drivas & M. Jay, 1988 - (TEREBRIDAE)
- nataliae, Torrecoptis nataliae C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- nataliae, Viviparus nataliae Mikhailovsky, 1913 † - (VIVIPARIDAE) (FOSSIL)
- nataliae duabicus, Viviparus nataliae duabicus Taboyakova, 1964 † - (VIVIPARIDAE) (FOSSIL)
- Nataliamarginella, syn of: Genus Marginella J.B.P.A. Lamarck, 1799 (MARGINELLIDAE)
- nataliana, Michaelisia nataliana (G.A. Michaelis, 1892) - (LIMACIDAE)
- Nataliconus, Genus Nataliconus J.K. Tucker & M.J. Tenorio, 2009 (CONIDAE)
- natalie, Myurella natalie (J. Drivas & M. Jay, 1998) - syn of: Myurella nathaliae J. Drivas & M. Jay, 1988 - (TEREBRIDAE)
- nataliensis, Margaritifera nataliensis H.L. Jameson, 1901 - syn of: Pinctada maculata (A.A. Gould, 1850) - (MARGARITIFERIDAE)
- nataliensis, Pinctada nataliensis H.L. Jameson, 1901 - syn of: Pinctada maculata (A.A. Gould, 1850) - (PTERIIDAE)
- Natalina, Genus Natalina H.A. Pilsbry, 1893 (RHYTIDIDAE)
- natalis, Nataliconus natalis (G.B. II Sowerby, 1858) - (CONIDAE)
- natalis, Amaea natalis (K.H. Barnard, 1963) - (EPITONIIDAE)
- natalis, Limopsis natalis K.H. Barnard, 1964 - (LIMOPSIDAE)
- natalis, Reynellona natalis T. Iredale, 1917 - (PICKWORTHIIDAE)
- Natalissima, Genus Natalissima Waterhouse, 2008 † (NATALISSIMIDAE) (FOSSIL)
- NATALISSIMIDAE Waterhouse, 2008 † - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-PTERINOPECTINOIDEA [Superfamily]) (FOSSIL)
- Natalites, Subgenus Kossmaticeras (Natalites) van Hoepen, 1920 † (KOSSMATICERATIDAE) (FOSSIL)
- natans, Eolidia natans D'Orbigny, 1837 - syn of: Fiona pinnata (J.F. von Eschscholtz, 1831) - (AEOLIDIIDAE)
- natans, Cavolinia natans P.C. Abildgaard, 1791 - syn of: Cavolinia tridentata (P. Forsskål in C. Niebuhr, 1775) - (CAVOLINIIDAE)
- natans, Phidiana natans D'Orbigny, 1837 - syn of: Fiona pinnata (J.F. von Eschscholtz, 1831) - (FACELINIDAE)
- natans, Fiona natans D'Orbigny, 1837 - syn of: Fiona pinnata (J.F. von Eschscholtz, 1831) - (FIONIDAE)
- natans, Lima natans H. Dufo, 1840 - (LIMIDAE)
- natans, Austrochlamys natans (R.A. Philippi, 1845) - (PECTINIDAE)
- natans walosseki, Austrochlamys natans walosseki H.A. Jonkers, 2003 - (PECTINIDAE)
- natanzensis, Teutonica natanzensis A. Nützel & al., 2012 † - (POLYGYRINIDAE) (FOSSIL)
- Natasia, Genus Natasia Sánchez, 1995 † (TIRONUCULIDAE) (FOSSIL)
- natata, Odostomia natata A. Peñas & E. Rolán, 1999 - (PYRAMIDELLIDAE)
- natator, Barrandeoceras natator (Lesley †) - (BARRANDOCERATIDAE) (FOSSIL)
- natator, Barrandeoceras natator (Billings, 1859 †) - (BARRANDOCERATIDAE) (FOSSIL)
- natator, Buccinum natator P.F. Röding, 1798 - syn of: Gyrineum natator (P.F. Röding, 1798) - (BUCCINIDAE)
- natator, Phragmoceras natator Lesley † - syn of: Barrandeoceras natator (Lesley †) - (PHRAGMOCERATIDAE) (FOSSIL)
- natator, Phragmosphaera natator (J.W. Hall, 1860 †) - (PTEROTHECIDAE) (FOSSIL)
- natator, Phragmostoma natator J.W. Hall, 1860 † - syn of: Phragmosphaera natator (J.W. Hall, 1860 †) - (PTEROTHECIDAE) (FOSSIL)
- natator, Gyrineum natator (P.F. Röding, 1798) - (RANELLIDAE)
- natator robusta, Gyrineum natator robusta H.C. Fulton, 1936 - syn of: Gyrineum natator (P.F. Röding, 1798) - (RANELLIDAE)
- natator tuberculatus, Gyrineum natator tuberculatus W.J. Broderip, 1833 - (RANELLIDAE)
- natchitoches, Venericardia natchitoches G.F. Harris, 1919 † - (CARDITIDAE) (FOSSIL)
- Natella, Subgenus Nata (Natella) H. Watson, 1934 (RHYTIDIDAE)
- natensoni, Polydontes natensoni C. de la Torre, 1938 - (CAMAENIDAE)
- natensoni, Cerion natensoni A. Gonzalez Guillén, 2008 - (CERIONIDAE)
- natensoni, Farcimen subventricosum natensoni C. de la Torre in L.O. Alcalde, 1948 - (MEGALOMASTOMIDAE)
- natensoni, Ramsdenia natensoni (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- natensoni, Chondrothyra natensoni C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- natensoni, Chondrothyretes reticulata natensoni M.I. Sánchez Roig, 1951 - (POMATIIDAE)
- natensoni, Annularops sauvallei natensoni (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- natensoni, Organocoptis natensoni C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- natensoni canetensis, Ramsdenia natensoni canetensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- natensoni maurus, Polydontes natensoni maurus C. de la Torre, 1938 - (CAMAENIDAE)
- Natere, Subgenus Nerita (Natere) J.E. Gray, 1858 (NERITIDAE)
- nathaliae, Clavatula nathaliae F. Nolf, 2006 - (CLAVATULIDAE)
- nathaliae, Myurella nathaliae J. Drivas & M. Jay, 1988 - (TEREBRIDAE)
- nathaliae, Terebra nathaliae (J. Drivas & M. Jay, 1998) - syn of: Myurella nathaliae J. Drivas & M. Jay, 1988 - (TEREBRIDAE)
- nathaliae, Nesoropupa nathaliae O. Gargominy, 2008 - (VERTIGINIDAE)
- nathani, Mathilda nathani (P.A. Maxwell, 1988 †) - (MATHILDIDAE) (FOSSIL)
- Nathorstella, Genus Nathorstella Kayser, 1901 † (PTERIIDA (UNASSIGNED)) (FOSSIL)
- nathorsti, Ceratites nathorsti Mojsisovics, 1886 † - syn of: Frechites laqueatus (Lindstroem, 1865 †) - (CERATITIDAE) (FOSSIL)
- Nathorstites, Genus Nathorstites Boehm , 1903 † (NATHORSTITIDAE) (FOSSIL)
- NATHORSTITIDAE Spath, 1951 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-NATHORSTITOIDEA [Superfamily]) (FOSSIL)
- Nathorstoceras, Genus Nathorstoceras Kröger , 2013 † (ERIDITIDAE) (FOSSIL)
- natica, Littorina natica D.G. Reid, 1996 - (LITTORINIDAE)
- Natica, Genus Natica J.A. Scopoli, 1777 (NATICIDAE)
- naticaeformis, Naticopsis naticaeformis Karczewski, 1989 † - (DELPHINULOPSIDAE) (FOSSIL)
- naticaeformis, Euryzone naticaeformis (C.L.F. von Sandberger & C.L.F. von Sandberger, 1853 †) - (GOSSELETINIDAE) (FOSSIL)
- naticaeformis, Strobeus naticaeformis Heidelberger, 2001 † - (SOLENISCIDAE) (FOSSIL)
- naticaeformis, Subulites naticaeformis E. Emmons 1842 † - (SUBULITIDAE) (FOSSIL)
- naticaformis, Scaevogyra naticaformis Kobayashi, 1933 † - (ONYCHOCHILIDAE) (FOSSIL)
- Naticaria, syn of: Genus Mammilla H.C.F. Schumacher, 1817 (NATICIDAE)
- Naticarious, syn of: Genus Naticarius A.M.C. Duméril, 1806 (NATICIDAE)
- Naticarius, Genus Naticarius A.M.C. Duméril, 1806 (NATICIDAE)
- naticarum, Crepidula naticarum M.B. Williamson, 1905 - (CALYPTRAEIDAE)
- Naticasinus, Genus Naticasinus Pan & Erwin, 2002 † (SINUOPEIDAE) (FOSSIL)
- naticella, Lacuna naticella Vasseur, 1881 † - (LITTORINIDAE) (FOSSIL)
- Naticella, syn of: Genus Polinices P.D. Montfort, 1810 (NATICIDAE)
- Naticella, syn of: Genus Fossarus R.A. Philippi, 1841 (PLANAXIDAE)
- Naticellina, Genus Naticellina Perner, 1911 † (PLATYCERATIDAE) (FOSSIL)
- NATICIDAE Guilding, 1834 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-NATICOIDEA [Superfamily])
- naticiformis, Choristella naticiformis J.G. Jeffreys, 1883 - syn of: Xyloskenea naticiformis (J.G. Jeffreys, 1883) - (LEPETELLIDAE)
- naticiformis, Cithna naticiformis J.G. Jeffreys, 1883 - syn of: Xyloskenea naticiformis (J.G. Jeffreys, 1883) - (LIOTIIDAE)
- naticiformis, Xyloskenea naticiformis (J.G. Jeffreys, 1883) - (SEGUENZIOIDEA (UNASSIGNED))
- naticiformis, Oostrombus naticiformis (P. Oppenheim, 1901 †) - (STROMBIDAE) (FOSSIL)
- naticina, Zagrabica naticina Š. Brusina, 1884 † - (LYMNAEIDAE) (FOSSIL)
- Naticina, syn of: Genus Eunaticina P. Fischer, 1885 (NATICIDAE)
- naticina, Borysthenia naticina (K.T. Menke, 1845) - (VALVATIDAE)
- naticina alligans, Valvata naticina alligans W.A. Lindholm, 1927 - syn of: Borysthenia alligans (W.A. Lindholm, 1927) - (VALVATIDAE)
- naticoidalis, Sinum naticoidalis E.H. Vokes, 1938 † - (NATICIDAE) (FOSSIL)
- naticoidea, Bathynerita naticoidea A.H. Clarke, 1989 - (PHENACOLEPADIDAE)
- naticoides, Clathrella naticoides (W.H. Dall, 1889) - (AMATHINIDAE)
- naticoides, Ampullaria naticoides D'Orbigny, 1835 - syn of: Asolene platae (W.G. Maton, 1811) - (AMPULLARIIDAE)
- naticoides, Globularia naticoides (J. de C. Sowerby) † - (AMPULLINIDAE) (FOSSIL)
- naticoides, Crossea naticoides C. Hedley, 1907 - syn of: Cirsonella weldii (J.E. Tenison-Woods, 1877) - (CROSSEOLIDAE)
- naticoides, Pedipes naticoides R.E.C. Stearns, 1869 - syn of: Pedipes ovalis C.B. Adams, 1849 - (ELLOBIIDAE)
- naticoides, Mourlonia naticoides (de Koninck, 1843 †) - (GOSSELETINIDAE) (FOSSIL)
- naticoides, Limacina naticoides L.F.A. Souleyet, 1852 - syn of: Limacina trochiformis (A.V.M.D. D'Orbigny, 1834) - (LIMACINIDAE)
- naticoides, Lithoglyphus naticoides (C. Pfeiffer, 1828) - (LITHOGLYPHIDAE)
- naticoides, Littorina naticoides D.G. Reid & A.N. Golikov, 1991 - syn of: Littorina natica D.G. Reid, 1996 - (LITTORINIDAE)
- naticoides, Cyathermia naticoides A. Warén & P. Bouchet, 1989 - (NEOMPHALIDAE)
- naticoides, Physa naticoides S. Clessin, 1886 - syn of: Lymnaea producta J.W. Mighels, 1845 - (PHYSIDAE)
- naticoides, Platyostoma naticoides R. Etheridge jr., 1878 † - (PLATYCERATIDAE) (FOSSIL)
- naticoides, Praenatica naticoides (F.A. Roemer, 1852 †) - (PLATYCERATIDAE) (FOSSIL)
- naticoides, Strophostylus naticoides J.W. Hall 1859 † - (PLATYCERATIDAE) (FOSSIL)
- naticoides, Otopoma naticoides (C.A. Récluz, 1843) - (POMATIIDAE)
- naticoides, Pinctada naticoides Cooke, 1919 † - (PTERIIDAE) (FOSSIL)
- naticoides, Chemnitzia naticoides Hudleston † - (PYRAMIDELLIDAE) (FOSSIL)
- naticoides, Sinuopea naticoides Flower, 1968 † - syn of: Sinuopea emminencis Ulrich & al., 1931 † - (SINUOPEIDAE) (FOSSIL)
- naticoides, Cirsonella naticoides C. Hedley, 1907 - syn of: Cirsonella weldii (J.E. Tenison-Woods, 1877) - (SKENEIDAE)
- naticoides, Vitrinella naticoides P.P. Carpenter, 1857 - (TORNIDAE)
- naticoides, Tornus naticoides Wood 1879 † - (TORNIDAE) (FOSSIL)
- naticoides, Tornus naticoides W.H. Dall, 1889 - syn of: Clathrella naticoides (W.H. Dall, 1889) - (TORNIDAE)
- naticoides, Taia naticoides (W. Theobald, 1865) - (VIVIPARIDAE)
- naticoides, Paludina naticoides C. Pfeiffer, 1828 - syn of: Lithoglyphus naticoides (C. Pfeiffer, 1828) - (VIVIPARIDAE)
- naticoides berolinensis, Lithoglyphus naticoides berolinensis C.A. Westerlund, 1886 - (LITHOGLYPHIDAE)
- Naticonema, Genus Naticonema Perner, 1903 † (PLATYCERATIDAE) (FOSSIL)
- Naticonoda, Genus Naticonoda Heidelberger, 2001 † (PLATYCERATIDAE) (FOSSIL)
- NATICOPSIDAE Miller, 1889 † - Family (GASTROPODA-NERITIMORPHA [Subclass]-CYCLONERITIMORPHA [Order]-NERITOIDEA [Superfamily]) (FOSSIL)
- Naticopsis, Genus Naticopsis Roemer, 1880 † (DELPHINULOPSIDAE) (FOSSIL)
- naticopsis, Georgia naticopsis (J.R. Bourguignat, 1882) - (POMATIIDAE)
- Naticus, syn of: Genus Natica J.A. Scopoli, 1777 (NATICIDAE)
- naticuta, Corbula naticuta Š. Brusina, 1870 - syn of: Corbula gibba (A.G. Olivi, 1792) - (CORBULIDAE)
- naticuta, Tellina naticuta Š. Brusina, 1870 - syn of: Corbula gibba (A.G. Olivi, 1792) - (TELLINIDAE)
- natiensis, Placeophaedusa pigra natiensis (T. Habe, 1940) - (CLAUSILIIDAE)
- nationalis, Eumorphotis nationalis Smith, 1927 † - (HETEROPECTINIDAE) (FOSSIL)
- nationsi, Gryphaeostrea nationsi Kirkland, 1996 † - (GRYPHAEIDAE) (FOSSIL)
- nationsi, Gyrotropis nationsi Kirkland, 1996 † - (GYROTROPIDAE) (FOSSIL)
- Natirhenia, Genus Natirhenia Heidelberger, 2001 † (PLATYCERATIDAE) (FOSSIL)
- Natiria, Genus Natiria de Koninck, 1881 † (CRASPEDOSTOMATIDAE) (FOSSIL)
- natisonensis, Stabilea costata natisonensis H. Nordsieck, 2007 - (CLAUSILIIDAE)
- Natitaria, Genus Natitaria Koken, 1892 † (NERITIDAE) (FOSSIL)
- nativum, Hyperderoceras nativum (C.T. Simpson †) - (EODEROCERATIDAE) (FOSSIL)
- nativus, Pancornus nativus P.A. Zhuravleva, 1972 † - syn of: Ukhtoceras uchtense (Holzapfel, 1899 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- nativus, Mytilus nativus Kurushin, 1985 † - (MYTILIDAE) (FOSSIL)
- natlandi, Octomarginula natlandi (J.W. Durham, 1950) - (FISSURELLIDAE)
- natolica, Pseudorientalia natolica (H.C. Küster, 1852) - (HYDROBIIDAE)
- natolica, Paludina natolica H.C. Küster, 1852 - syn of: Pseudorientalia natolica (H.C. Küster, 1852) - (VIVIPARIDAE)
- natolica smyrnensis, Pseudorientalia natolica smyrnensis (H. Schütt, 1970) - (HYDROBIIDAE)
- natosini, Proclydonautilus natosini McLearn, 1946 † - (CLYDONAUTILIDAE) (FOSSIL)
- natosini, Unio natosini McLearn, 1929 † - (UNIONIDAE) (FOSSIL)
- natrice, Euptychoceras natrice (F.M. Anderson, 1938 †) - (BOCHIANITIDAE) (FOSSIL)
- natrice, Ptychoceras natrice F.M. Anderson, 1938 † - syn of: Euptychoceras natrice (F.M. Anderson, 1938 †) - (PTYCHOCERATIDAE) (FOSSIL)
- natricina, Physa natricina (D.W. Taylor, 1988) - (PHYSIDAE)
- natricina, Haitia natricina D.W. Taylor, 1988 - syn of: Physa natricina (D.W. Taylor, 1988) - (PHYSIDAE)
- natronense, Dunveganoceras problematicum natronense Cobban, 1988 † - (ACANTHOCERATIDAE) (FOSSIL)
- nattheimensis, Barbatia nattheimensis Wellnhofer, 1964 † - (ARCIDAE) (FOSSIL)
- nattii, Partulina nattii W.D. Hartman, 1888 - (ACHATINELLIDAE)
- natukoae, Odostomia natukoae S. Nomura, 1938 - (PYRAMIDELLIDAE)
- natunensis, Cyclotus natunensis E.A. Smith, 1894 - (CYCLOPHORIDAE)
- naturalistarum, Bothriembryon naturalistarum (W. Kobelt, 1901) - (BOTHRIEMBRYONTIDAE)
- naturalistarum, Brazieresta naturalistarum (W. Kobelt) - (CARYODIDAE)
- naturezae, Acar naturezae J. de A. Francisco, J.C.N. Barros & S.F.B. de Lima, 2012 - (ARCIDAE)
- naucratoros, Antillophos naucratoros (R.B. Watson, 1882) - (NASSARIIDAE)
- naucum, Bulla naucum C. Linnaeus, 1758 - syn of: Atys naucum (C. Linnaeus, 1758) - (BULLIDAE)
- naucum, Atys naucum (C. Linnaeus, 1758) - (HAMINOEIDAE)
- Naucum, syn of: Genus Atys P.D. Montfort, 1810 (HAMINOEIDAE)
- naucum strigata, Atys naucum strigata H.A. Pilsbry, 1917 - (HAMINOEIDAE)
- Naudedrillia, Genus Naudedrillia R.N. Kilburn, 1988 (PSEUDOMELATOMIDAE)
- Naudoliva, Genus Naudoliva R.N. Kilburn, 1989 (PSEUDOLIVIDAE)
- nauduri, Falsimargarita nauduri A. Warén & P. Bouchet, 2001 - (CALLIOSTOMATIDAE)
- naufraga, Zeidora naufraga R.B. Watson, 1883 - (FISSURELLIDAE)
- naufraga, Anacithara naufraga (C. Hedley, 1909) - (HORAICLAVIDAE)
- naufraga, Litiopa naufraga W.J. Clench, 1938 - syn of: Litiopa melanostoma P.C.A.S.L. Rang, 1829 - (LITIOPIDAE)
- naufraga, Mangelia naufraga C. Hedley, 1909 - syn of: Anacithara naufraga (C. Hedley, 1909) - (MANGELIIDAE)
- naufraga conata, Anacithara naufraga conata (C. Hedley, 1909) - syn of: Anacithara conata (C. Hedley, 1909) - (HORAICLAVIDAE)
- naufragum, Siphonaria naufragum R.E.C. Stearns, 1872 - syn of: Siphonaria pectinata (C. Linnaeus, 1758) - (SIPHONARIIDAE)
- naufragus, Ctenoides naufragus J. Marwick, 1928 † - (LIMIDAE) (FOSSIL)
- naujanica, Camaena naujanica J.G. Hidalgo, 1887 - (CAMAENIDAE)
- Naulia, Genus Naulia † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- naumanni, Pleurotomoides naumanni (Speyer, 1867 †) - (CLATHURELLIDAE) (FOSSIL)
- naumanni, Pachydiscus naumanni (Yokoyama, 1890 †) - (DESMOCERATIDAE) (FOSSIL)
- naumanni, Eulima naumanni von Könen, 1867 † - (EULIMIDAE) (FOSSIL)
- naumanni, Caloceras naumanni (M. von Neumayr, 1879 †) - (PSILOCERATIDAE) (FOSSIL)
- Naumia, Genus Naumia P. Radoman, 1973 (HYDROBIIDAE)
- nauplius, Lithancylus nauplius (F.M. Anderson, 1938 †) - (ANCYLOCERATIDAE) (FOSSIL)
- nauplius, Hemibaculites nauplius F.M. Anderson, 1938 † - syn of: Lithancylus nauplius (F.M. Anderson, 1938 †) - (HETEROCERATIDAE) (FOSSIL)
- Nausimacha, syn of: Genus Glaucus F. Forster, 1777 (GLAUCIDAE)
- Nausitora, Genus Nausitora B.H. Wright, 1884 (TEREDINIDAE)
- Nausitorella, syn of: Genus Nausitora B.H. Wright, 1884 (TEREDINIDAE)
- Nausitoria, syn of: Genus Nausitora B.H. Wright, 1884 (TEREDINIDAE)
- Nauta, syn of: Genus Aplexa J. Fleming, 1820 (PHYSIDAE)
- nautarum, Zonites nautarum F. Riedel & M. Mylonas, 1995 - (ZONITIDAE)
- Nautellipsites, Genus Nautellipsites Parkinson, 1822 † (MUENSTEROCERATIDAE) (FOSSIL)
- nautica, Cionella nautica C.A. Westerlund, 1887 - syn of: Cecilioides acicula (O.F. Müller, 1774) - (COCHLICOPIDAE)
- nautica, Hermaea nautica G.M. Caballer & J.A. Ortea, 2007 - (HERMAEIDAE)
- nautica, Volvarina nautica J. Espinosa & J.A. Ortea, 2015 - (MARGINELLIDAE)
- nautica, Agnewia nautica G. Thornley, 1952 - syn of: Agnewia tritoniformis (H.M.D. de Blainville, 1833) - (MURICIDAE)
- nautica, Pyrgospira nautica H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Pyrgospira obeliscus (L.A. Reeve, 1845) - (PSEUDOMELATOMIDAE)
- nautica, Melo nautica J.B.P.A. Lamarck, 1811 - syn of: Melo melo tesselata (J.B.P.A. Lamarck, 1811) - (VOLUTIDAE)
- nauticus, Dentimargo nauticus J. Espinosa, J.A. Ortea & L. Moro, 2012 - (MARGINELLIDAE)
- nautiformis, Ammonites nautiformis J. Buckman, 1844 † - syn of: Aegoceras nautiliforme (J. Buckman, 1844 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- nautilei, Ifremeria nautilei P. Bouchet & A. Warén, 1991 - (PROVANNIDAE)
- nautilei, Ectenagena nautilei (T.A. Okutani & B. Métivier, 1986) - (VESICOMYIDAE)
- nautileus, Armiger nautileus C. Linnaeus, 1767 - syn of: Gyraulus crista (C. Linnaeus, 1758) - (PLANORBIDAE)
- nautileus, Turbo nautileus C. Linnaeus, 1767 - syn of: Gyraulus crista (C. Linnaeus, 1758) - (TURBINIDAE)
- NAUTILIDA (UNASSIGNED) - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-NAUTILIDA [Order]) (FOSSIL)
- NAUTILIDAE Blainville, 1825 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-NAUTILIDA [Order])
- nautiliforme, Drepanostoma nautiliforme C. Porro, 1836 - (HELICODONTIDAE)
- nautiliforme, Aegoceras nautiliforme (J. Buckman, 1844 †) - (LIPAROCERATIDAE) (FOSSIL)
- nautiliforme, Drepanostomella nautiliforme (C. Porro, 1836) - (SCOLODONTIDAE)
- nautiliformis, Ammonites nautiliformis J. Buckman, 1844 † - syn of: Aegoceras nautiliforme (J. Buckman, 1844 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- nautiliformis, Omalogyra atomus nautiliformis A. De Gregorio, 1889 - (OMALOGYRIDAE)
- nautiliformis, Oxychilus nautiliformis (A.J. Wagner, 1914) - (OXYCHILIDAE)
- nautiliformis, Gyraulus nautiliformis (Gozhik & Prysjazhnjuk, 1978) - (PLANORBIDAE)
- nautiliformis, Palazzia nautiliformis (A.W.B. Powell, 1927) - (SEGUENZIOIDEA (UNASSIGNED))
- nautiliformis, Cochliolepis nautiliformis Holmes, 1859 - syn of: Cochliolepis parasitica (W. Stimpson, 1858) - (TORNIDAE)
- nautiliformis, Adeorbis nautiliformis Holmes 1859 - syn of: Cochliolepis parasitica (W. Stimpson, 1858) - (TORNIDAE)
- nautiliformis, Zerotula nautiliformis A.W.B. Powell, 1927 - (ZEROTULIDAE)
- nautiliformis, Hyalinia nautiliformis A.J. Wagner, 1914 - syn of: Oxychilus nautiliformis (A.J. Wagner, 1914) - (ZONITIDAE)
- nautilina, Isospira nautilina E.F.R.K. Koken & J. Perner, 1925 † - (CYRTONELLIDAE) (FOSSIL)
- nautilinus, Bellerophon nautilinus Münster, 1841 † - syn of: Paralobites nautilinus (Münster, 1841 †) - (BELLEROPHONTIDAE) (FOSSIL)
- nautilinus, Paralobites nautilinus (Münster, 1841 †) - (LOBITIDAE) (FOSSIL)
- Nautilinus, Subgenus Gyraulus (Nautilinus) A. Mousson, 1872 (PLANORBIDAE)
- nautilinus, Temnodiscus nautilinus E.F.R.K. Koken & J. Perner, 1925 † - (TROPIDODISCIDAE) (FOSSIL)
- Nautiliropa, Genus Nautiliropa J. Stanisic, 1990 (CHAROPIDAE)
- Nautiloceras, Genus Nautiloceras D'Orbigny, 1849 † (NAUTILIDA (UNASSIGNED)) (FOSSIL)
- nautilodea, Elsothera nautilodea (J.C. Cox, 1866) - (CHAROPIDAE)
- nautiloidea, Tremanotus nautiloidea J. Perner, 1903 † - (BUCANIIDAE) (FOSSIL)
- nautiloides, Crepidula nautiloides R.P. Lesson, 1832 - syn of: Crepipatella dilatata (J.B.P.A. Lamarck, 1822) - (CALYPTRAEIDAE)
- nautiloides, Crioceras nautiloides Etheridge, 1909 † - syn of: Aleteceras nautiloides (Etheridge, 1909 †) - (CRIOCERATITIDAE) (FOSSIL)
- nautiloides, Euphemites nautiloides (Winchell, 1862 †) - (EUPHEMITIDAE) (FOSSIL)
- nautiloides, Aleteceras nautiloides (Etheridge, 1909 †) - (LABECERATIDAE) (FOSSIL)
- nautiloides, Chlorostoma nautiloides T.H. Aldrich, 1911 † - (TEGULIDAE) (FOSSIL)
- nautilopsis, Gyralina nautilopsis Dedov & Subai, 2012 - (ZONITIDAE)
- nautilum, Microderoceras nautilum M. Edmunds & al., 2016 † - (EODEROCERATIDAE) (FOSSIL)
- Nautilus, Genus Nautilus C. Linnaeus, 1758 (NAUTILIDAE)
- nautilus, Oxychilus nautilus F. Riedel, 1994 - (OXYCHILIDAE)
- nautilus, Felisporadoceras nautilus W. Korn & al., 2015 † - (SPORADOCERATIDAE) (FOSSIL)
- nautlae, Depressiscala nautlae (O.A.L. Mörch, 1875) - (EPITONIIDAE)
- nautlae, Epitonium nautlae O.A.L. Mörch, 1875 - syn of: Depressiscala nautlae (O.A.L. Mörch, 1875) - (EPITONIIDAE)
- nauturum, Crypta nauturum O.A.L. Mörch, 1877 - syn of: Crepidula fornicata (C. Linnaeus, 1758) - (CALYPTRAEIDAE)
- nauvooensis, Yochelsonospira nauvooensis (A.H. Worthen, 1884 †) - (LOPHOSPIRIDAE) (FOSSIL)
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