- nexa, Aplysia nexa I.C. Thompson, 1845 - syn of: Aplysia punctata (G.L.C.F.D. Cuvier, 1803) - (APLYSIIDAE)
- nexa, Modiola nexa A.A. Gould, 1841 - syn of: Musculus svecicus (O. Fabricius, 1788) - (MYTILIDAE)
- nexa, Pseudodaphnella nexa (L.A. Reeve, 1845) - (RAPHITOMIDAE)
- nexa, Struthiolaria nexa J. Marwick, 1931 † - (STRUTHIOLARIIDAE) (FOSSIL)
- nexa albotaeniata, Pseudodaphnella nexa albotaeniata J.L. Bouge & P. Dautzenberg, 1914 - syn of: Pseudodaphnella nexa (L.A. Reeve, 1845) - (RAPHITOMIDAE)
- nexicosta, Naticopsis nexicosta (B. Phillips, 1841 †) - (DELPHINULOPSIDAE) (FOSSIL)
- nexicosta, Natica nexicosta B. Phillips, 1841 † - syn of: Naticopsis nexicosta (B. Phillips, 1841 †) - (NATICIDAE) (FOSSIL)
- nexile, Conocardium nexile R.M. Branson, 1942 † - (CONOCARDIIDAE) (FOSSIL)
- nexile, Loxonema nexile Sedgwick & Murchison, 1840 † - syn of: Palaeozygopleura nexile (Sedgwick & Murchison, 1840 †) - (LOXONEMATIDAE) (FOSSIL)
- nexile, Palaeozygopleura nexile (Sedgwick & Murchison, 1840 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- nexilis, Ficus nexilis (D.C. Solander & G. Brander, 1766 †) - (FICIDAE) (FOSSIL)
- nexilis, Cryoturris nexilis W.P. Woodring, 1928 † - (MANGELIIDAE) (FOSSIL)
- nexilis, Subcancilla nexilis J.B.P.A. Lamarck, 1811 - syn of: Subcancilla filaris (C. Linnaeus, 1771) - (MITRIDAE)
- nexilis, Taranis nexilis (F.W. Hutton, 1885) - (RAPHITOMIDAE)
- nexilis, Semele nexilis A.A. Gould, 1862 - syn of: Semele bellastriata T.A. Conrad, 1837 - (SEMELIDAE)
- nexilis, Turris nexilis F.W. Hutton, 1885 - syn of: Taranis nexilis (F.W. Hutton, 1885) - (TURRIDAE)
- nexilis bicarinata, Taranis nexilis bicarinata (H.H. Suter, 1915) - (RAPHITOMIDAE)
- nexilis recens, Taranis nexilis recens (C.A. Fleming, 1948) - (RAPHITOMIDAE)
- nexosula, Pleurotoma nexosula B. Sabelli, 1990 - syn of: Typhlomangelia nivalis (S.L. Lovén, 1846) - (TURRIDAE)
- nexosulum, Pleurotoma nexosulum É.A.A. Locard, 1897 - syn of: Typhlomangelia nivalis (S.L. Lovén, 1846) - (TURRIDAE)
- nexuosulum, Pleurotoma nexuosulum É.A.A. Locard, 1897 - syn of: Typhlomangelia nivalis (S.L. Lovén, 1846) - (TURRIDAE)
- nexus, Crassicantharus nexus K. Fraussen & P. Stahlschmidt, 2015 - (BUCCINIDAE)
- nexus, Leptochiton nexus P.P. Carpenter, 1864 - (LEPTOCHITONIDAE)
- nexus, Clanculus nexus L. Bozzetti, 2014 - (TROCHIDAE)
- nexus, Unio nexus T. Say, 1831 - syn of: Epioblasma arcaeformis (I. Lea, 1831) - (UNIONIDAE)
- neyi, Chondropoma biforme neyi P. Bartsch, 1946 - (POMATIIDAE)
- neymanae, Curtitoma neymanae I.P. Bogdanov, 1989 - (MANGELIIDAE)
- neyrivensis, Duvalia neyrivensis (J. Favre, 1876 †) - (DUVALIIDAE) (FOSSIL)
- neyronensis, Bithynia leberonensis neyronensis É.A.A. Locard, 1883 † - (BITHYNIIDAE) (FOSSIL)
- neyronensis, Trochulus neyronensis P. Fagot - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- neyronensis, Valvata vanciana neyronensis É.A.A. Locard, 1883 † - (VALVATIDAE) (FOSSIL)
- nezi, Moitessieria nezi H.D. Boeters & A. Bertrand, 2001 - (MOITESSIERIIDAE)
- nezi, Nepotilla nezi (T.A. Okutani, 1964) - (RAPHITOMIDAE)
- nezperceorum, Cryptaulax nezperceorum A. Nützel & Erwin, 2004 † - (CRYPTAULACIDAE) (FOSSIL)
- neztalia, Bankia neztalia H. Turner & J.L. McKoy, 1979 - (TEREDINIDAE)
- ngai, Capulus ngai N.N. Thach, 2016 - (CAPULIDAE)
- ngai, Vasticardium ngai Thach, 2016 - (CARDIIDAE)
- ngai, Oxymeris ngai Thach, 2016 - (TEREBRIDAE)
- Ngairea, Genus Ngairea J. Stanisic, 1990 (CHAROPIDAE)
- ngalbala, Kutanjia ngalbala Kruse, 1991 † - (COREOSPIRIDAE) (FOSSIL)
- ngampitchae, Ancillista ngampitchae Gra-Tes, 2002 - (ANCILLARIIDAE)
- ngani, Tiberia ngani E. Saurin, 1959 - (PYRAMIDELLIDAE)
- Nganki, Genus Nganki Kruse, 1990 † (ANGUSTICORNIDAE) (FOSSIL)
- ngaparaensis, Wangaloa ngaparaensis (H.H. Suter, 1917 †) - (ARCHITECTONICIDAE) (FOSSIL)
- ngarduaisi, Palaua ngarduaisi H.B. Baker, 1941 - (EUCONULIDAE)
- ngataana, Hadopyrgus ngataana M. Haase, 2008 - (HYDROBIIDAE)
- ngatangiia, Minidonta ngatangiia F.J. Brook, 2010 - (ENDODONTIDAE)
- ngatapa, Bathytoma ngatapa (J. Marwick, 1931 †) - (BORSONIIDAE) (FOSSIL)
- ngatapa, Costosyrnola ngatapa (J. Marwick, 1931 †) - (PYRAMIDELLIDAE) (FOSSIL)
- ngatapa, Ringicula ngatapa J. Marwick, 1931 † - (RINGICULIDAE) (FOSSIL)
- ngatapuna, Opacuincola ngatapuna M. Haase, 2008 - (TATEIDAE)
- ngatutura, Pisinna ngatutura (C.R. Laws, 1940 †) - (ANABATHRIDAE) (FOSSIL)
- ngatutura, Cuna ngatutura C.R. Laws, 1940 † - (CONDYLOCARDIIDAE) (FOSSIL)
- ngatutura, Nucula ngatutura C.R. Laws, 1936 - (NUCULIDAE)
- ngatutura, Turbonilla ngatutura (C.R. Laws, 1940 †) - (PYRAMIDELLIDAE) (FOSSIL)
- ngatutura, Rissoina ngatutura C.R. Laws, 1940 † - (RISSOINIDAE) (FOSSIL)
- ngatutura, Sukashitrochus ngatutura (C.R. Laws, 1936 †) - (SCISSURELLIDAE) (FOSSIL)
- ngatuturaensis, Austrofusus ngatuturaensis J.A. Bartrum & Powell, 1928 † - (BUCCINIDAE) (FOSSIL)
- ngatuturaensis, Neoguraleus ngatuturaensis (J.A. Bartrum & Powell, 1928 †) - (MANGELIIDAE) (FOSSIL)
- ngavianus, Conus ngavianus Martin, 1895 † - (CONIDAE) (FOSSIL)
- ngawianus, Nassarius ngawianus (K. Martin, 1895 †) - (NASSARIIDAE) (FOSSIL)
- ngereamensis, Hungerfordia ngereamensis M. Yamazaki & Ueshima, 2015 - (DIPLOMMATINIDAE)
- ngerezae, Juventigulella ngerezae B. Rowson, 2007 - (STREPTAXIDAE)
- ngocae, Tapes ngocae Thach, 2016 - (VENERIDAE)
- ngocanhi, Amphidromus ngocanhi Thach, 2017 - (CAMAENIDAE)
- ngocngai, Amphidromus ngocngai Thach, 2017 - (CAMAENIDAE)
- ngocngai, Conus ngocngai Thach, 2017 - (CONIDAE)
- ngocngai, Fulgoraria ngocngai P. Bail & N.N. Thach, 2017 - (VOLUTIDAE)
- ngocthieni, Pitar ngocthieni Thach, 2016 - (VENERIDAE)
- nguigmiensis, Unio nguigmiensis J. Germain, 1909 - syn of: Coelatura aegyptiaca (F. Cailliaud, 1827) - (UNIONIDAE)
- ngurraali, Setobaudinia ngurraali F. Köhler, 2011 - (CAMAENIDAE)
- nhamaygachensis, Bacbotricula nhamaygachensis T.A. Neubauer & D.H. Schneider, 2012 † - (POMATIOPSIDAE) (FOSSIL)
- nhanduti, Microgloma nhanduti N.P. Benaim & R.S. Absalão, 2011 - (YOLDIIDAE)
- nhatrangensis, Angaria nhatrangensis H. Dekker, 2006 - (ANGARIIDAE)
- nhatrangensis, Aldisa nhatrangensis (J.J. Risbec, 1956) - (CADLINIDAE)
- nhatrangensis, Entovalva nhatrangensis H.W. Bristow, Berland, C.F.C. Schander & G.T.P. Vo, 2010 - (MONTACUTIDAE)
- nhatrangensis, Megastomia nhatrangensis (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- nhatrangensis, Megastomia nhatrangensis E. Saurin, 1959 - syn of: Megastomia nhatrangensis (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- nhatrangensis, Metaruncina nhatrangensis A. Chernyshev, 2005 - (RUNCINIDAE)
- nhatrangi, Leptoplax nhatrangi Sirenko & Saito, 2017 - (ACANTHOCHITONIDAE)
- niaddrina, Bellaspira niaddrina W.C. Mansfield, 1925 † - (DRILLIIDAE) (FOSSIL)
- niagaraensis, Stagnicola catascopium niagaraensis unknown - (LYMNAEIDAE)
- niagarense, Hippocardia niagarense Winchell & Marcy, 1866 † - (HIPPOCARDIIDAE) (FOSSIL)
- niagarensis, Oriostoma niagarensis (J.W. Hall & R.P. Whitfield, 1875 †) - (ORIOSTOMATIDAE) (FOSSIL)
- niagarensis, Platyceras niagarensis J.W. Hall, 1852 † - (PLATYCERATIDAE) (FOSSIL)
- niagarensis, Cyclonema niagarensis Winchell & Marcy, 1866 † - (PLATYCERATIDAE) (FOSSIL)
- niagarensis, Platyostoma niagarensis (J.W. Hall, 1852 †) - (PLATYCERATIDAE) (FOSSIL)
- niagarensis, Naticonema niagarensis J.W. Hall, 1852 † - syn of: Platyostoma niagarensis (J.W. Hall, 1852 †) - (PLATYCERATIDAE) (FOSSIL)
- niahensis, Cyclophorus niahensis H.H. Godwin-Austen, 1889 - (CYCLOPHORIDAE)
- niahensis, Pterocyclus niahensis H.H. Godwin-Austen, 1889 - (CYCLOPHORIDAE)
- niahensis, Diplommatina niahensis H.H. Godwin-Austen, 1889 - (DIPLOMMATINIDAE)
- niahensis, Georissa niahensis H.H. Godwin-Austen, 1889 - (HYDROCENIDAE)
- Niahia, Genus Niahia J.J. Vermeulen, 1996 (DIPLOMMATINIDAE)
- niasense, Leptopoma niasense H.C. Fulton, 1907 - (CYCLOPHORIDAE)
- niasensis, Hemiplecta humphreysiana niasensis H. Rolle, 1908 - (ARIOPHANTIDAE)
- niasensis, Calliotropis niasensis K.H.J. Thiele, 1925 - (CALLIOTROPIDAE)
- niasensis, Amphidromus niasensis H.C. Fulton, 1907 - (CAMAENIDAE)
- niasensis, Amphidromus sumatrensis niasensis E.C. Von Martens, 1864 - (CAMAENIDAE)
- niasensis, Zafra niasensis (K.H.J. Thiele, 1925) - (COLUMBELLIDAE)
- niasensis, Corbula niasensis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - (CORBULIDAE)
- niasensis, Cyclotus niasensis H.C. Fulton, 1907 - (CYCLOPHORIDAE)
- niasensis, Discoscala niasensis G.G. Wissema, 1947 † - (EPITONIIDAE) (FOSSIL)
- niasensis, Acesta niasensis (K.H.J. Thiele, 1918) - (LIMIDAE)
- niasensis, Pseudorhaphitoma niasensis K.H.J. Thiele, 1925 - (MANGELIIDAE)
- niasensis, Taurasia niasensis C. Beets, 1984 † - (MURICIDAE) (FOSSIL)
- niasensis, Stigmaulax niasensis G.G. Wissema, 1947 † - (NATICIDAE) (FOSSIL)
- niasensis, Cetomya niasensis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (POROMYIDAE)
- niasensis, Tonna niasensis G.G. Wissema, 1947 - syn of: Tonna sulcosa (I. von Born, 1778) - (TONNIDAE)
- niasensis, Anticlimax niasensis (K.H.J. Thiele, 1925) - (TORNIDAE)
- niasensis, Discopsis niasensis K.H.J. Thiele, 1925 - syn of: Anticlimax niasensis (K.H.J. Thiele, 1925) - (TORNIDAE)
- niasensis, Videna niasensis H.C. Fulton, 1907 - (TROCHOMORPHIDAE)
- niasicus, Lepidopleurus niasicus K.H.J. Thiele, 1906 - syn of: Nierstraszella lineata (H.F. Nierstrasz, 1905) - (LEPTOCHITONIDAE)
- niauensis, Terebra niauensis J. Tröndlé & Letourneux, 2011 † - (TEREBRIDAE) (FOSSIL)
- nibelaensis, Linotrigonia nibelaensis M. Cooper, 1989 † - (PTEROTRIGONIIDAE) (FOSSIL)
- nibujona, Volvarina nibujona J. Espinosa & J.A. Ortea, 2013 - (MARGINELLIDAE)
- nibula, Asolene nibula L.A. Reeve, 1856 - syn of: Asolene crassa nubila (L.A. Reeve, 1856) - (AMPULLARIIDAE)
- nica, Agaronia nica A. López, A. Montoya & A. López, 1988 - (OLIVIDAE)
- nicaeensis, Tacheopsis nicaeensis (A.E.J. Férussac, 1820) - (HELICIDAE)
- nicaeensis, Helix nicaeensis A. Risso, 1826 - syn of: Macularia niciensis (A.E.J. Férussac, 1821) - (HELICIDAE)
- nicaeensis, Simnia nicaeensis A. Risso, 1826 - syn of: Simnia spelta (C. Linnaeus, 1758) - (OVULIDAE)
- nicaeensis, Tricolia nicaeensis A. Risso, 1826 - syn of: Tricolia speciosa (J.K. Megerle Von Mühlfeld, 1824) - (PHASIANELLIDAE)
- nicaensis, Tricolia nicaensis A. Risso, 1826 - syn of: Tricolia speciosa (J.K. Megerle Von Mühlfeld, 1824) - (PHASIANELLIDAE)
- nicaisei, Euhystrichoceras nicaisei (Coquand, 1862 †) - (BRANCOCERATIDAE) (FOSSIL)
- nicaisei, Cardita nicaisei Coquand, 1862 † - (CARDITIDAE) (FOSSIL)
- nicaisei, Nicaisolopha nicaisei (Coquand, 1862 †) - (OSTREIDAE) (FOSSIL)
- Nicaisolopha, Genus Nicaisolopha Vyalov, 1936 (OSTREIDAE)
- Nicania, syn of: Genus Astarte J. de C. Sowerby, 1816 (ASTARTIDAE)
- Nicaniella, Genus Nicaniella Chavan, 1945 † (ASTARTIDAE) (FOSSIL)
- nicaobesa, Schwartziella nicaobesa E. Rolán & R. Fernández-Garcés, 2010 - (ZEBINIDAE)
- nicaraguae, Anodonta nicaraguae R.A. Philippi, 1848 - syn of: Anodontites trapesialis (J.B.P.A. Lamarck, 1818) - (UNIONIDAE)
- nicaraguae, Gemma beatrix nicaraguae (A.J. Wagner, 1908) - (VENERIDAE)
- nicaraguana, Dolabrifera nicaraguana H.A. Pilsbry, 1896 - syn of: Dolabrifera dolabrifera (P.C.A.S.L. Rang, 1828) - (APLYSIIDAE)
- nicaraguana, Cyrena nicaraguana T. Prime, 1869 - syn of: Polymesoda radiata (S.C.T. Hanley, 1845) - (CYRENIDAE)
- nicaraguana, Polymesoda nicaraguana T. Prime, 1869 - syn of: Polymesoda arctata (G.P. Deshayes, 1854) - (CYRENIDAE)
- nicaraguana, Biomphalaria nicaraguana (P.M.A. Morelet, 1851) - (PLANORBIDAE)
- nicaraguana, Turbonilla nicaraguana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- nicaraguanus, Pyrgulopsis nicaraguanus C.M.F. Ancey, 1888 - syn of: Pyrgophorus coronatus (L. Pfeiffer, 1840) - (HYDROBIIDAE)
- nicaraguanus, Mexinauta nicaraguanus (P.M.A. Morelet, 1851) - (PHYSIDAE)
- nicaraguanus costuliferus, Pyrgulopsis nicaraguanus costuliferus C.M.F. Ancey, 1888 - syn of: Pyrgophorus coronatus (L. Pfeiffer, 1840) - (HYDROBIIDAE)
- nicaraguanus duplicatus, Purgulopsis nicaraguanus duplicatus C.M.F. Ancey, 1888 - syn of: Pyrgophorus coronatus (L. Pfeiffer, 1840) - (HYDROBIIDAE)
- nicaraguense, Cerithium nicaraguense H.A. Pilsbry & H.N. Lowe, 1932 - (CERITHIIDAE)
- nicaraguense, Aperostoma nicaraguense P. Bartsch & J.P.E. Morrison, 1942 - (NEOCYCLOTIDAE)
- nicaraguensis, Pyrgula nicaraguensis W. Newcomb, MS - syn of: Pyrgophorus coronatus (L. Pfeiffer, 1840) - (HYDROBIIDAE)
- nicaraguensis, Neocyclotus dysoni nicaraguensis (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- nicaraguensis, Strombus pugilis nicaraguensis W.H. Fluck, 1915 - (STROMBIDAE)
- nicaraguensis, Marshallora nicaraguensis E. Rolán & A.A. Luque, 1999 - (TRIPHORIDAE)
- nicaraguensis, Pachynaias nicaraguensis (I. Lea, 1868) - (UNIONIDAE)
- nicarasana, Turbonilla nicarasana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- nicasioi, Volvarina nicasioi J. Espinosa, J.A. Ortea & Y.L. Diez, 2015 - (MARGINELLIDAE)
- nicatis, Cingulifera cingulatum nicatis (O.G. Costa, 1836) - (HELICIDAE)
- niceforana, Poteria niceforana H.A. Pilsbry, 1939 - (NEOCYCLOTIDAE)
- Niceforoceras, Genus Niceforoceras Basse , 1948 † (COLLIGNONICERATIDAE) (FOSSIL)
- niceforonis, Drymaeus niceforonis H.A. Pilsbry, 1939 - (BULIMULIDAE)
- Nicema, Subgenus Triumphis (Nicema) W.P. Woodring, 1884 (PSEUDOLIVIDAE)
- niceterium, Carinastele niceterium (C. Hedley & W.L. May, 1908) - (CALLIOSTOMATIDAE)
- niceterium, Basilissa niceterium C. Hedley & W.L. May, 1908 - syn of: Carinastele niceterium (C. Hedley & W.L. May, 1908) - (SEGUENZIIDAE)
- nicetorum, Basilissa nicetorum C. Hedley & W.L. May, 1908 - syn of: Carinastele niceterium (C. Hedley & W.L. May, 1908) - (SEGUENZIIDAE)
- nicholasi, Macgillavryia nicholasi (Whitfield 1897) † - (RADIOLITIDAE) (FOSSIL)
- nicholasi, Branneroceras nicholasi Nassichuk, 1975 † - (SCHISTOCERATIDAE) (FOSSIL)
- nichollsi, Bulimulus nichollsi G.F. Angas, 1885 - (BULIMULIDAE)
- nichollsi, Cymatoceras nichollsi J. Grant-Mackie, 2015 † - (CYMATOCERATIDAE) (FOSSIL)
- nicholsae, Palaina nicholsae T. Iredale, 1944 - (DIPLOMMATINIDAE)
- nicholsi, Bittium nicholsi P. Bartsch, 1911 - (CERITHIIDAE)
- nicholsi, Pseudodanubites nicholsi Bucher, 1988 † - (DANUBITIDAE) (FOSSIL)
- nicholsi, Caucasites nicholsi Bucher, 1989 † - (GYMNITIDAE) (FOSSIL)
- nicholsi, Murex nicholsi Gardner, 1947 † - (MURICIDAE) (FOSSIL)
- nicholsi, Chlamys nicholsi Gardner, 1926 † - (PECTINIDAE) (FOSSIL)
- nicholsi, Turbonilla nicholsi W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- Nicholsites, Genus Nicholsites Bucher , 1992 † (BEYRICHITIDAE) (FOSSIL)
- nicholsoni, Anadara nicholsoni T. Iredale, 1927 - syn of: Anadara trapezia (G.P. Deshayes, 1839) - (ARCIDAE)
- nicholsoni, Kokenospira nicholsoni Reed, 1921 † - (BUCANIIDAE) (FOSSIL)
- nicholsoni, Neodeshayesites nicholsoni (Benavides-Caceres, 1956 †) - (DESHAYESITIDAE) (FOSSIL)
- nicholsoni, Pristiloma nicholsoni H.B. Baker, 1930 - (PRISTILOMATIDAE)
- nicholsoni, Episcynia nicholsoni (A.M. Strong & L.G. Hertlein, 1939) - (TORNIDAE)
- nichupte, Marshallora nichupte E. Rolán & F.M. Crúz-Abrego, 1996 - (TRIPHORIDAE)
- Nicida, Genus Nicida W.T. Blanford, 1868 (DIPLOMMATINIDAE)
- niciensis, Macularia niciensis (A.E.J. Férussac, 1821) - (HELICIDAE)
- niciensis, Cernuella niciensis E. Caziot, 1910 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- niciensis dupuyi, Macularia niciensis dupuyi (C.A. Westerlund, 1876) - (HELICIDAE)
- niciensis faudensis, Macularia niciensis faudensis (G.R. Sulliotti, 1883) - (HELICIDAE)
- niciensis guebhardi, Macularia niciensis guebhardi (E. Caziot, 1903) - (HELICIDAE)
- niciensis tacheiformis, Macularia niciensis tacheiformis W. Kobelt, 1906 - (HELICIDAE)
- niciezai, Prunum niciezai J. Espinosa & J.A. Ortea, 1998 - (MARGINELLIDAE)
- Nicimitoceras, Genus Nicimitoceras Bockwinkel & Ebbighausen, 2006 † (GATTENDORFIIDAE) (FOSSIL)
- nicki, Fusinus nicki M.A. Snyder, 2002 - (FASCIOLARIIDAE)
- nicklesi, Sitala nicklesi E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1994 - (ARIOPHANTIDAE)
- nicklesi, Genota nicklesi J. Knudsen, 1952 - (BORSONIIDAE)
- nicklesi, Harleites nicklesi (Grossouvre, 1894 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- nicklesi, Barroisia nicklesi de Grossouvre, 1894 † - syn of: Harleites nicklesi (Grossouvre, 1894 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- nicklesi, Mucrodactylites nicklesi (Guex, 1971 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- nicklesi, Septimaniceras nicklesi Guex, 1971 † - syn of: Mucrodactylites nicklesi (Guex, 1971 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- nicklesi, Collina nicklesi Guex, 1971 † - syn of: Mucrodactylites nicklesi (Guex, 1971 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- nicklesi, Cerodrillia nicklesi (J. Knudsen, 1956) - (DRILLIIDAE)
- nicklesi, Gadila nicklesi (R.K. Dell, 1964) - (GADILIDAE)
- nicklesi, Ischnochiton nicklesi P. Kaas & R.A. Van Belle, 1990 - (ISCHNOCHITONIDAE)
- nicklesi, Hamulinites nicklesi Avram, 1999 † - (LEPTOCERATOIDIDAE) (FOSSIL)
- nicklesi, Modiolus nicklesi K.W. Ockelmann, 1983 - (MYTILIDAE)
- nicklesi, Nucula nicklesi R. von Cosel, 1995 - (NUCULIDAE)
- nicklesi, Patella nicklesi F. Nordsieck, 1975 - syn of: Patella pellucida C. Linnaeus, 1758 - (PATELLIDAE)
- nicklesi, Aequipecten nicklesi H.H. Dijkstra, 1998 - (PECTINIDAE)
- nicklesi, Athleta nicklesi J. Rosso, 1976 - syn of: Athleta lutosa (H.J. Koch, 1948) - (VOLUTIDAE)
- Nicklesia, Genus Nicklesia Hyatt , 1903 † (PULCHELLIIDAE) (FOSSIL)
- nickliniana, Fontigens nickliniana (I. Lea, 1838) - (AMNICOLIDAE)
- nickliniana, Helminthoglypta nickliniana (H.C. Lea, 1838) - (HELMINTHOGLYPTIDAE)
- nickliniana, Hydrobia nickliniana I. Lea, 1838 - syn of: Fontigens nickliniana (I. Lea, 1838) - (HYDROBIIDAE)
- nickliniana, Leptoxis carinata nickliniana I. Lea, 1841 - (PLEUROCERIDAE)
- nickliniana, Magnonaias nickliniana (I. Lea, 1834) - (UNIONIDAE)
- nickliniana anachoreta, Helminthoglypta nickliniana anachoreta (W.G. Binney, 1897) - (HELMINTHOGLYPTIDAE)
- nickliniana attenuata, Fontigens nickliniana attenuata (S.S. Haldeman, 1841) - (AMNICOLIDAE)
- nickliniana awania, Helminthoglypta nickliniana awania P. Bartsch, 1919 - (HELMINTHOGLYPTIDAE)
- nicobarica, Anatinella nicobarica (J.F. Gmelin, 1791) - (ANATINELLIDAE)
- nicobarica, Arca nicobarica J.G. Bruguière, 1789 - syn of: Scissileda nicobarica (J.G. Bruguière, 1789) - (ARCIDAE)
- nicobarica, Ariophanta nicobarica G.P. Deshayes, 1839 - (ARIOPHANTIDAE)
- nicobarica, Renschiphaedusa corticina nicobarica (G.P.L.K. Gude, 1914) - (CLAUSILIIDAE)
- nicobarica, Dendrodoris nicobarica (L.S.R. Bergh, 1875) - (DENDRODORIDIDAE)
- nicobarica, Epitonium nicobarica G.B. II Sowerby, 1847 - (EPITONIIDAE)
- nicobarica, Pleuropoma nicobarica (L. Pfeiffer) - (HELICINIDAE)
- nicobarica, Meropesta nicobarica (J.F. Gmelin, 1791) - (MACTRIDAE)
- nicobarica, Standella nicobarica J.F. Gmelin, 1791 - syn of: Meropesta nicobarica (J.F. Gmelin, 1791) - (MACTRIDAE)
- nicobarica, Mactra nicobarica J.F. Gmelin, 1791 - syn of: Meropesta nicobarica (J.F. Gmelin, 1791) - (MACTRIDAE)
- nicobarica, Mitra nicobarica R.W. Dunker, 1866 - syn of: Vexillum nicobaricum (R.W. Dunker, 1866) - (MITRIDAE)
- nicobarica, Mya nicobarica J.F. Gmelin, 1791 - syn of: Anatinella nicobarica (J.F. Gmelin, 1791) - (MYIDAE)
- nicobarica, Pleurobranchella nicobarica K.H.J. Thiele, 1925 - (PLEUROBRANCHAEIDAE)
- nicobarica, Pupina nicobarica L. Pfeiffer, 1852 - (PUPINIDAE)
- nicobarica, Turbonilla nicobarica K.H.J. Thiele, 1925 - (PYRAMIDELLIDAE)
- nicobarica, Alvania nicobarica (K.H.J. Thiele, 1925) - (RISSOIDAE)
- nicobarica, Scissileda nicobarica (J.G. Bruguière, 1789) - (YOLDIIDAE)
- nicobaricum, Buccinum nicobaricum P.F. Röding, 1798 - syn of: Monoplex nicobaricus (P.F. Röding, 1798) - (BUCCINIDAE)
- nicobaricum, Vexillum nicobaricum (R.W. Dunker, 1866) - (COSTELLARIIDAE)
- nicobaricum, Costellaria nicobaricum R.W. Dunker, 1866 - syn of: Vexillum nicobaricum (R.W. Dunker, 1866) - (COSTELLARIIDAE)
- nicobaricum, Cymatium nicobaricum P.F. Röding, 1798 - syn of: Monoplex nicobaricus (P.F. Röding, 1798) - (RANELLIDAE)
- nicobaricus, Conus araneosus nicobaricus C.H. Hwass in J.G. Bruguière, 1792 - (CONIDAE)
- nicobaricus, Marmarofusus nicobaricus (P.F. Röding, 1798) - (FASCIOLARIIDAE)
- nicobaricus, Fusus nicobaricus P.F. Röding, 1798 - syn of: Marmarofusus nicobaricus (P.F. Röding, 1798) - (FASCIOLARIIDAE)
- nicobaricus, Vokesimurex mindanaoensis nicobaricus (G.B. Sowerby, 1841) - (MURICIDAE)
- nicobaricus, Mytilus nicobaricus P.F. Röding, 1798 - syn of: Septifer bilocularis (C. Linnaeus, 1758) - (MYTILIDAE)
- nicobaricus, Septifer nicobaricus P.F. Röding, 1798 - syn of: Septifer bilocularis (C. Linnaeus, 1758) - (MYTILIDAE)
- nicobaricus, Cultellus nicobaricus P.F. Röding, 1798 - syn of: Cultellus maximus (J.F. Gmelin, 1791) - (PHARIDAE)
- nicobaricus, Planaxis nicobaricus R.W. Dunker, 1866 - (PLANAXIDAE)
- nicobaricus, Planaxis nicobaricus G.R. von Frauenfeld, 1866 - syn of: Supplanaxis niger (J.R.C. Quoy & J.P. Gaimard, 1833) - (PLANAXIDAE)
- nicobaricus, Monoplex nicobaricus (P.F. Röding, 1798) - (RANELLIDAE)
- nicobaricus, Solen nicobaricus P.F. Röding, 1798 - syn of: Cultellus maximus (J.F. Gmelin, 1791) - (SOLENIDAE)
- nicobaricus, Spondylus nicobaricus K. Schreibers, 1793 - (SPONDYLIDAE)
- nicobaricus, Chrysostoma nicobaricus J.F. Gmelin, 1791 - syn of: Chrysostoma paradoxum (I. von Born, 1778) - (TROCHIDAE)
- nicobaricus, Chrysostoma nicobaricus W.J. Swainson, 1840 - syn of: Chrysostoma paradoxum (I. von Born, 1778) - (TROCHIDAE)
- nicobaricus, Syrinx nicobaricus P.F. Röding, 1798 - syn of: Marmarofusus nicobaricus (P.F. Röding, 1798) - (TURBINELLIDAE)
- nicobaricus, Turbo nicobaricus J.F. Gmelin, 1791 - syn of: Chrysostoma paradoxum (I. von Born, 1778) - (TURBINIDAE)
- nicobaricus ciliatus, Spondylus nicobaricus ciliatus G.B. Sowerby, 1847 - (SPONDYLIDAE)
- nicobaricus ciliatus, Spondylus nicobaricus ciliatus T. Habe, 1964 - syn of: Spondylus imperialis J.C. Chenu, 1844 - (SPONDYLIDAE)
- nicobaricus hystrix, Spondylus nicobaricus hystrix J.F. Bolten in P.F. Röding, 1798 - (SPONDYLIDAE)
- nicobaricus laticostatus, Fusinus nicobaricus laticostatus G.P. Deshayes, 1830 - syn of: Fusinus laticostatus (G.P. Deshayes, 1830) - (FASCIOLARIIDAE)
- nicobaricus ocellatus, Spondylus nicobaricus ocellatus L.A. Reeve, 1856 - syn of: Spondylus ocellatus L.A. Reeve, 1856 - (SPONDYLIDAE)
- nicobarius, Monoplex nicobarius P.F. Röding, 1798 - syn of: Monoplex nicobaricus (P.F. Röding, 1798) - (RANELLIDAE)
- nicocheanum, Drupa nicocheanum H.A. Pilsbry, 1900 - syn of: Muricopsis necocheana (H.A. Pilsbry, 1900) - (MURICIDAE)
- nicocheanus, Muricopsis nicocheanus H.A. Pilsbry, 1900 - syn of: Muricopsis necocheana (H.A. Pilsbry, 1900) - (MURICIDAE)
- nicocheanus, Risomurex nicocheanus H.A. Pilsbry, 1900 - syn of: Muricopsis necocheana (H.A. Pilsbry, 1900) - (MURICIDAE)
- nicolae, Godiva nicolae N. Vicente, 1967 - syn of: Dondice banyulensis A. Portmann & Sandmeier, 1960 - (FACELINIDAE)
- nicolai, Helix nicolai Kleèák, 1880 - syn of: Campylaea setosa imberbis (Š. Brusina, 1876) - (HELICIDAE)
- nicolai, Ocinebrina nicolai T.A. de M. Monterosato, 1884 - (MURICIDAE)
- nicolai, Leislingites nicolai (Mojsisovics, 1896 †) - (THETIDITIDAE) (FOSSIL)
- Nicolaia, Genus Nicolaia Glöer & al. 2016 (HYDROBIIDAE)
- nicolamassierae, Aclyvolva nicolamassierae D. Fehse, 1999 - (OVULIDAE)
- nicolasensis, Neolepetopsis nicolasensis J.H. McLean, 2008 - (NEOLEPETOPSIDAE)
- nicolasi, Setobaudinia nicolasi F. Criscione & F. Köhler, 2016 - (CAMAENIDAE)
- nicolasi, Chilina nicolasi D.E. Gutiérrez Gregoric & de Lucía, 2016 - (CHILINIDAE)
- nicolasi, Chondropoma nicolasi C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- nicolasi brittoni, Chondropoma nicolasi brittoni C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- nicolasi johnsoni, Chondropoma nicolasi johnsoni C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- nicolauensis, Alvania nicolauensis R.G. Moolenbeek & E. Rolán, 1988 - (RISSOIDAE)
- nicolayae, Prolixodens nicolayae M. Jay & J. Drivas, 2002 - (CERITHIOPSIDAE)
- nicolayi, Amphissa nicolayi F. Nordsieck, 1974 - syn of: Amphissa acutecostata (R.A. Philippi, 1844) - (COLUMBELLIDAE)
- nicolayi, Opalia nicolayi F. Nordsieck, 1974 - syn of: Opalia abbotti W.J. Clench & H. Turner, 1952 - (EPITONIIDAE)
- nicolayi, Ocinebrina nicolayi T.A. de M. Monterosato, 1884 - syn of: Ocinebrina nicolai T.A. de M. Monterosato, 1884 - (MURICIDAE)
- nicoleae, Tsoukatosia nicoleae A. Reischütz, P.L. Reischütz & Szekeres, 2016 - (CLAUSILIIDAE)
- nicoleae, Setia nicoleae W. Segers, F. Swinnen & R. De Prins, 2009 - (RISSOIDAE)
- nicoleae, Virpazaria nicoleae A. Reischütz & P.L. Reischütz, 2012 - (SPELAEODISCIDAE)
- Nicolenea, Genus Nicolenea B. Roth, 1996 (CEPOLIDAE)
- nicoleti, Schasicheila nicoleti R.J. Shuttleworth, 1852 - (HELICINIDAE)
- nicoleti, Eustreptostyla nicoleti (R.J. Shuttleworth, 1852) - (SPIRAXIDAE)
- nicoleti atypica, Eustreptostyla nicoleti atypica H.B. Baker, 1941 - (SPIRAXIDAE)
- nicolettae, Niveria nicolettae D. Fehse, 1997 - (TRIVIIDAE)
- nicolettensis, Holopea nicolettensis Foerste, 1924 † - (HOLOPEIDAE) (FOSSIL)
- nicoletti, Nemocardium nicoletti † - (CARDIIDAE) (FOSSIL)
- nicoletti, Hoploscaphites nicoletti (Owen †) - (SCAPHITIDAE) (FOSSIL)
- nicoli, Bucanopsis nicoli Reed, 1921 † - (BELLEROPHONTIDAE) (FOSSIL)
- nicoli, Borsonella nicoli W.H. Dall, 1919 - syn of: Borsonella bartschi (R. Arnold, 1903) - (BORSONIIDAE)
- Nicolia, Genus Nicolia Gregorio, 1880 † (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- nicolii, Conus nicolii J. Wilson, 1831 - syn of: Kalloconus pulcher (J. Lightfoot, 1786) - (CONIDAE)
- nicolinae, Schiosia nicolinae Mainelli, 1983 † - (CAPRINIDAE) (FOSSIL)
- nicolisi, Durga nicolisi Boehm, 1884 † - (PACHYRISMATIDAE) (FOSSIL)
- nicolisianum, Cingulifera cingulatum nicolisianum (G.B. Adami, 1886) - (HELICIDAE)
- nicollei, Melanopsis nicollei P.M. Pallary, 1923 - (MELANOPSIDAE)
- nicolleti, Orthoceras nicolleti A.H. Clarke † - (ORTHOCERATIDAE) (FOSSIL)
- nicolletii, Didymoceras nicolletii (J.W. Hall & F.B. Meek, 1856 †) - (NOSTOCERATIDAE) (FOSSIL)
- nicolletii, Hoploscaphites nicolletii (Morton, 1842 †) - (SCAPHITIDAE) (FOSSIL)
- nicolletoides, Palaeodawsonocerina nicolletoides Kröger, 2013 † - (DAWSONOCERATIDAE) (FOSSIL)
- nicolletti, Nemocardium nicolletti (T.A. Conrad, 1862 †) - (CARDIIDAE) (FOSSIL)
- nicolli, Gogoceras nicolli Becker & al., 1993 † - (PONTICERATIDAE) (FOSSIL)
- nicolli, Technophorus nicolli Pojeta & al., 1977 † - (TECHNOPHORIDAE) (FOSSIL)
- nicollii, Jaminia nicollii R. Sturany, 1907 - syn of: Jaminia quadridens (O.F. Müller, 1774) - (ENIDAE)
- nicolloni, Neptunea nicolloni É.A.A. Locard, 1891 - syn of: Colus gracilis (da Costa, 1778) - (BUCCINIDAE)
- nicolloni, Neptunia nicolloni É.A.A. Locard, 1891 - syn of: Colus gracilis (da Costa, 1778) - (BUCCINIDAE)
- nicolloni, Chama nicolloni P. Dautzenberg, 1892 - syn of: Chama circinata T.A. de M. Monterosato, 1878 - (CHAMIDAE)
- nicolloni, Unio nicolloni É.A.A. Locard, 1889 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- nicolosiana, Rissoa nicolosiana A. Aradas & L. Benoit, 1874 - syn of: Alvania discors (T. Allan, 1818) - (RISSOIDAE)
- nicolsonianum, Cepolis nicolsonianum P.D. Montfort, 1810 - (CEPOLIDAE)
- nicomede, Helix nicomede J.W. Brazier, 1878 - syn of: Spurlingia dunkiensis (E. Forbes, 1851) - (HELICIDAE)
- nicomedes, Stenosemus nicomedes W.H. Dall, 1919 - syn of: Stenosemus exaratus (G.O. Sars, 1878) - (ISCHNOCHITONIDAE)
- nicomedes, Lepidopleurus nicomedes W.H. Dall, 1919 - syn of: Stenosemus exaratus (G.O. Sars, 1878) - (LEPTOCHITONIDAE)
- Nicomedites, Genus Nicomedites Toula , 1896 † (BEYRICHITIDAE) (FOSSIL)
- nicopolis, Sinotaia nicopolis Datsenko, 2001 † - (VIVIPARIDAE) (FOSSIL)
- Nicosiaella, Genus Nicosiaella Conti & Fischer, 1981 † (OPISTHOBRANCHIA (UNASSIGNED)) (FOSSIL)
- nicosiai, Parainoceramya nicosiai (L.F. Conti & Monari, 1991 †) - (INOCERAMIDAE) (FOSSIL)
- nicosiana, Rothifruticicola nicosiana Neubert & Hirschfelder, 2017 - (HYGROMIIDAE)
- nicosiana, Xerocrassa nicosiana (E. Gittenberger, 1991) - (HYGROMIIDAE)
- nicosiana, Rothifruticicola nicosiana (A. Mousson, 1854) - (HYGROMIIDAE)
- nicosiana claudia, Rothifruticicola nicosiana claudia R.A. Bank & F.W. Welter-Schultes, 1998 - (HYGROMIIDAE)
- nicosiana conciliatrix, Rothifruticicola nicosiana conciliatrix A. Fuchs & F. Käufel, 1936 - (HYGROMIIDAE)
- nicosiana freytagi, Rothifruticicola nicosiana freytagi (H. von Maltzan, 1883) - (HYGROMIIDAE)
- nicosiana maasseni, Rothifruticicola nicosiana maasseni R.A. Bank, 1991 - (HYGROMIIDAE)
- nicosiana soror, Rothifruticicola nicosiana soror A. Fuchs & F. Käufel, 1936 - (HYGROMIIDAE)
- nicoya, Leucosyrinx nicoya A.A. Olsson, 1942 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- nicoyana, Odostomia nicoyana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- nicoyana, Tellina nicoyana (L.G. Hertlein & A.M. Strong, 1949) - (TELLINIDAE)
- nicoyana, Hertellina nicoyana L.G. Hertlein & A.M. Strong, 1949 - syn of: Tellina nicoyana (L.G. Hertlein & A.M. Strong, 1949) - (TELLINIDAE)
- nicsimoni, Leptomaria nicsimoni Monari & Gatto, 2014 † - (PLEUROTOMARIIDAE) (FOSSIL)
- nictitans, Dadagulella nictitans (B. Rowson & C.N. Lange, 2007) - (STREPTAXIDAE)
- nida, Cylichna nida McNeil, 1984 † - (CYLICHNIDAE) (FOSSIL)
- Nidarica, Genus Nidarica Cox, 1961 † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- nidarosiensis, Xylophaga nidarosiensis L.N. Santhakumaran, 1980 - (XYLOPHAGAIDAE)
- nidatoriensis, Crepidula nidatoriensis Y. Otuka, 1934 † - (CALYPTRAEIDAE) (FOSSIL)
- nidhoeggi, Spiroecus nidhoeggi McNamara, 1978 † - (LOXONEMATIDAE) (FOSSIL)
- nidicostata, Brachypodella nidicostata G.C. Spence, 1920 - (UROCOPTIDAE)
- nidorum, Sabinella nidorum H.A. Pilsbry, 1956 - syn of: Sabinella troglodytes (K.H.J. Thiele, 1925) - (EULIMIDAE)
- nidulina, Patella nidulina É.A.A. Locard, 1896 - (PATELLIDAE)
- nidulina rufescens, Patella nidulina rufescens É.A.A. Locard, 1896 - (PATELLIDAE)
- niecaensis, Pupa niecaensis K.H. Barnard, 1963 - (ACTEONIDAE)
- niederhoeferi, Phasmoconus niederhoeferi E. Monnier, L. Limpalaër & F.Jr. Lorenz, 2012 - (CONIDAE)
- niedzwiedzkii, Exotornoceras niedzwiedzkii (Dybczynski, 1913 †) - (POSTTORNOCERATIDAE) (FOSSIL)
- nielamuensis, Multisulcites nielamuensis Liang, 1983 † - (PROCARNITIDAE) (FOSSIL)
- nielsenae, Kioconus nielsenae (J.A. Marsh, 1962) - (CONIDAE)
- nielsenae reductaspiralis, Conus nielsenae reductaspiralis J.G. Walls, 1979 - syn of: Kioconus reductaspiralis (J.G. Walls, 1979) - (CONIDAE)
- nielsenae typhon, Conus nielsenae typhon R.N. Kilburn, 1975 - syn of: Kioconus typhon (R.N. Kilburn, 1975) - (CONIDAE)
- nielseni, Cystiscus nielseni C.F. Laseron, 1948 - syn of: Cystiscus minutissimus (J.E. Tenison-Woods, 1876) - (CYSTISCIDAE)
- nielseni, Graptacme nielseni (K.L. Lamprell & J.M. Healy, 1998) - (DENTALIIDAE)
- nielseni, Glyptophiceras nielseni Spath, 1935 † - syn of: Hypophiceras gracile (Spath, 1930 †) - (KASHMIRITIDAE) (FOSSIL)
- nielseni, Laevidentalium nielseni K.L. Lamprell & J.M. Healy, 1998 - syn of: Graptacme nielseni (K.L. Lamprell & J.M. Healy, 1998) - (LAEVIDENTALIIDAE)
- nielseni, Echinolittorina nielseni J.F. Araya & D.G. Reid, 2016 † - (LITTORINIDAE) (FOSSIL)
- nielseni, Groenlandites nielseni Kummel, 1953 † - (LONGOBARDITIDAE) (FOSSIL)
- nielseni, Marginella nielseni C.F. Laseron, 1948 - syn of: Cystiscus minutissimus (J.E. Tenison-Woods, 1876) - (MARGINELLIDAE)
- nielseni, Patinigera nielseni DeVries, 2007 † - (NACELLIDAE) (FOSSIL)
- nielseni, Octopoteuthis nielseni (G.C. Robson, 1948) - (OCTOPOTEUTHIDAE)
- nielseni, Diminovula nielseni C.N. Cate, 1976 - (OVULIDAE)
- nielseni, Rissoina nielseni (C.F. Laseron, 1950) - (RISSOINIDAE)
- nielseni, Cymbiola complexa nielseni D.F. McMichael, 1963 - (VOLUTIDAE)
- nielseni, Tompophiceras nielseni (Spath, 1935 †) - (XENODISCIDAE) (FOSSIL)
- nielseni, Yoldiella nielseni Schnetler, 2001 † - (YOLDIIDAE) (FOSSIL)
- Nielsenoceras, Genus Nielsenoceras Furnish , 1966 † (PARACELTITIDAE) (FOSSIL)
- nielsi, Epifungium nielsi E. Gittenberger & A. Gittenberger, 2005 - (EPITONIIDAE)
- Nienhuisiella, Genus Nienhuisiella F.L. Giusti & G. Manganelli, 1987 (HYGROMIIDAE)
- nienkeae, Fulvia nienkeae J.J. Ter Poorten, 2012 - (CARDIIDAE)
- nieortsmindensis, Anahamulina nieortsmindensis (Eristavi, 1955 †) - (ANAHAMULINIDAE) (FOSSIL)
- nieri, Himalayites nieri (Pictet, 1867 †) - (HIMALAYITIDAE) (FOSSIL)
- Nierstraszella, Genus Nierstraszella H.F. Nierstrasz, 1905 (NIERSTRASZELLIDAE)
- NIERSTRASZELLIDAE Sirenko, 1992 - Family (POLYPLACOPHORA-NEOLORICATA [Subclass]-LEPIDOPLEURIDA [Order]-LEPIDOPLEURINA [Suborder])
- nierstraszi, Acanthochitona nierstraszi (E.R. Sykes, 1907) - (ACANTHOCHITONIDAE)
- nierstraszi, Gregorioiscala nierstraszi (M.M. Schepman, 1909) - (EPITONIIDAE)
- nierstraszi, Epitonium nierstraszi M.M. Schepman, 1909 - syn of: Gregorioiscala nierstraszi (M.M. Schepman, 1909) - (EPITONIIDAE)
- nierstraszi, Marshallena nierstraszi (M.M. Schepman, 1913) - (HORAICLAVIDAE)
- nierstraszi, Leptochiton nierstraszi (E.H.J. Leloup, 1981) - (LEPTOCHITONIDAE)
- nierstraszi, Hapalochlaena nierstraszi (W. Adam, 1938) - (OCTOPODIDAE)
- nierstraszi, Proneomenia nierstraszi H.A. Stork in H.F. Nierstrasz & H.A. Stork, 1940 - syn of: Anamenia gorgonophila (A. Kowalevsky, 1880) - (PRONEOMENIIDAE)
- nierstraszi, Hypomenia nierstraszi L.E.A. van Lummel, 1930 - (PRUVOTINIDAE)
- nierstraszi, Anamenia nierstraszi H.A. Stork, 1940 - syn of: Anamenia gorgonophila (A. Kowalevsky, 1880) - (STROPHOMENIIDAE)
- Nierstraszia, Genus Nierstraszia H. Heath, 1918 (LEPIDOMENIIDAE)
- nierstrasziana, Rhyssoplax nierstrasziana P. Kaas, 1957 - (CHITONIDAE)
- nierstrazi, Gregorioiscala nierstrazi (M.M. Schepman, 1909) - syn of: Gregorioiscala nierstraszi (M.M. Schepman, 1909) - (EPITONIIDAE)
- nieseni, Thordisa nieseni G.L. Chan & T.M. Gosliner, 2007 - (DISCODORIDIDAE)
- nieszkowskii, Ectomaria nieszkowskii (A. Schmidt, 1858 †) - (LOPHOSPIRIDAE) (FOSSIL)
- nieszkowskii, Murchisonia nieszkowskii A. Schmidt, 1858 † - syn of: Ectomaria nieszkowskii (A. Schmidt, 1858 †) - (MURCHISONIIDAE) (FOSSIL)
- niethammeri, Siciliaria gibbula niethammeri (B. Rensch, 1934) - (CLAUSILIIDAE)
- nietneri, Tortulosa nietneri (G. Nevill, 1871) - (PUPINIDAE)
- nietneri caperata, Tortulosa nietneri caperata (J. Collett, 1899) - (PUPINIDAE)
- nietneri unicolor, Tortulosa nietneri unicolor (J. Collett, 1899) - (PUPINIDAE)
- nieulandei, Colina nieulandei Renard, 1994 † - (CERITHIIDAE) (FOSSIL)
- nieulandei, Ireneia nieulandei Janssen, 1995 † - (CUVIERINIDAE) (FOSSIL)
- nieulandei, Stazzania fragilis nieulandei D. Fehse, 1988 † - (MARGINELLIDAE) (FOSSIL)
- nieuwenhuisi, Schepmania nieuwenhuisi (M.M. Schepman, 1898) - (UNIONIDAE)
- nifat, Buccinum nifat J.G. Bruguière, 1789 - syn of: Pusionella nifat (J.G. Bruguière, 1789) - (BUCCINIDAE)
- nifat, Pusionella nifat (J.G. Bruguière, 1789) - (CLAVATULIDAE)
- nifat, Pusionella nifat L.C. Kiener, 1840 - syn of: Pusionella nifat angulosa H. Strebel, 1914 - (CLAVATULIDAE)
- nifat angulosa, Pusionella nifat angulosa H. Strebel, 1914 - (CLAVATULIDAE)
- nifat major, Pusionella nifat major H. Strebel, 1914 - (CLAVATULIDAE)
- nifat scalarinus, Pusionella nifat scalarinus (J.B.P.A. Lamarck, 1816) - (CLAVATULIDAE)
- nifella, Mauritia nifella G.R. Sulliotti, 1924 - syn of: Mauritia scurra (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- nifikelia, Gulella nifikelia K.C. Emberton, 2001 - (STREPTAXIDAE)
- nigella, Mauritia nigella G.R. Sulliotti, 1924 - syn of: Mauritia scurra (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- nigella, Leucozonia nigella O.A.L. Mörch, 1852 - syn of: Leucozonia ocellata (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- nigella, Nassa nigella L.A. Reeve, 1854 - syn of: Nassarius nigellus (L.A. Reeve, 1854) - (NASSARIIDAE)
- nigella, Pinna nigella A. De Gregorio, 1885 - syn of: Pinna nobilis C. Linnaeus, 1758 - (PINNIDAE)
- nigella, Elliptio nigella I. Lea, 1852 - (UNIONIDAE)
- nigellus, Nassarius nigellus (L.A. Reeve, 1854) - (NASSARIIDAE)
- nigellus nuttalli, Nassarius nigellus nuttalli N.H. Ludbrook, 1978 † - syn of: Nassarius nuttalli (N.H. Ludbrook, 1978 †) - (NASSARIIDAE) (FOSSIL)
- niger, Amphithalamus niger E. Rolán, 1991 - (ANABATHRIDAE)
- niger, Hesperarion niger (J.G. Cooper, 1872) - (ARIOLIMACIDAE)
- niger, Belemnites niger Lister, 1678 † - (BELEMNITELLIDAE) (FOSSIL)
- niger, Pachnodus niger (H. Dufo, 1840) - (CERASTUIDAE)
- niger, Enoplochiton niger (Barnes, 1824) - (CHITONIDAE)
- niger, Mauritia eglantina niger (P.L. Duclos, 1833) - (CYPRAEIDAE)
- niger, Latirus niger N.H. Odhner, 1917 - (FASCIOLARIIDAE)
- niger, Otohoplites waltoni niger T.L. Casey † - (HOPLITIDAE) (FOSSIL)
- niger, Austropyrgus niger (J.R.C. Quoy & J.P. Gaimard, 1834) - (HYDROBIIDAE)
- niger, Limax niger H.R. Simroth, 1901 - syn of: Eumilax brandti (E.C. Von Martens, 1880) - (LIMACIDAE)
- niger, Ercolania niger H.M. Lemche, 1935 - syn of: Ercolania nigra (H.M. Lemche, 1935) - (LIMAPONTIIDAE)
- niger, Musculus niger Gray, 1824 - (MYTILIDAE)
- niger, Brachidontes niger (J.F. Gmelin, 1791) - (MYTILIDAE)
- niger, Lithodomus niger D'Orbigny, 1853 - syn of: Lithophaga nigra d'Orbigny, 1845 - (MYTILIDAE)
- niger, Octopus niger A. Risso, 1854 - syn of: Octopus vulgaris G.L.C.F.D. Cuvier, 1797 - (OCTOPODIDAE)
- niger, Octopus niger C.S. Rafinesque, 1814 - syn of: Octopus vulgaris G.L.C.F.D. Cuvier, 1797 - (OCTOPODIDAE)
- niger, Supplanaxis niger (J.R.C. Quoy & J.P. Gaimard, 1833) - (PLANAXIDAE)
- niger, Sinuites niger E.F.R.K. Koken, 1897 † - (SINUITIDAE) (FOSSIL)
- niger, Prisogaster niger (W. Wood, 1828) - (TURBINIDAE)
- niger, Unio niger L. de Joannis, 1859 - syn of: Unio tumidus A. Retzius, 1788 - (UNIONIDAE)
- niger, Zonitarion niger H.A. Pilsbry, 1919 - (UROCYCLIDAE)
- niger obesus, Musculus niger obesus W.H. Dall, 1916 - syn of: Musculus svecicus (O. Fabricius, 1788) - (MYTILIDAE)
- niger protractus, Musculus niger protractus W.H. Dall, 1916 - syn of: Musculus svecicus (O. Fabricius, 1788) - (MYTILIDAE)
- Nigerapana, Genus Nigerapana Adegoke, 1977 † (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- nigeriana, Cytherocardia nigeriana Adegoke 1977 † - (GLOSSIDAE) (FOSSIL)
- Nigericeras, Genus Nigericeras Schneegans , 1943 † (ACANTHOCERATIDAE) (FOSSIL)
- nigeriense, Pseudovascoceras nigeriense (Woods, 1911 †) - (ACANTHOCERATIDAE) (FOSSIL)
- nigeriense, Vascoceras nigeriense Woods, 1911 † - syn of: Pseudovascoceras nigeriense (Woods, 1911 †) - (VASCOCERATIDAE) (FOSSIL)
- nigeriense, Tugurium nigeriense R.B. Newton, 1922 † - (XENOPHORIDAE) (FOSSIL)
- nigeriensis, Anadara nigeriensis R.B. Newton, 1922 † - syn of: Protonoetia nigeriensis (R.B. Newton, 1922 †) - (ARCIDAE) (FOSSIL)
- nigeriensis, Genota nigeriensis J.L. Vera-Peláez, 2004 - syn of: Genota nicklesi J. Knudsen, 1952 - (BORSONIIDAE)
- nigeriensis, Bendemacoma nigeriensis (Newton 1922) † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- nigeriensis, Metengonoceras nigeriensis Furon, 1935 † - syn of: Metengonoceras dumbli (Cragin, 1893 †) - (ENGONOCERATIDAE) (FOSSIL)
- nigeriensis, Acrilla nigeriensis F.E. Eames, 1957 † - (EPITONIIDAE) (FOSSIL)
- nigeriensis, Mazzalina nigeriensis (R.B. Newton, 1922 †) - (FASCIOLARIIDAE) (FOSSIL)
- nigeriensis, Glycymeris nigeriensis R.B. Newton, 1922 † - (GLYCYMERIDIDAE) (FOSSIL)
- nigeriensis, Aspatharia nigeriensis J. Daget, 1962 - syn of: Aspatharia dahomeyensis (I. Lea, 1859) - (IRIDINIDAE)
- nigeriensis, Crepispisula nigeriensis (Adegoke 1977) † - (MACTRIDAE) (FOSSIL)
- nigeriensis, Jania nigeriensis (R.B. Newton, 1922 †) - (MURICIDAE) (FOSSIL)
- nigeriensis, Modiolatus nigeriensis (M. Nicklés, 1955) - (MYTILIDAE)
- nigeriensis, Protonoetia nigeriensis (R.B. Newton, 1922 †) - (NOETIIDAE) (FOSSIL)
- nigeriensis, Ovula nigeriensis R.B. Newton, 1922 † - (OVULIDAE) (FOSSIL)
- nigeriensis, Pseudotissotia nigeriensis Woods, 1911 † - (PSEUDOTISSOTIIDAE) (FOSSIL)
- nigeriensis, Rissoina nigeriensis O.S. Adegoke, 1977 † - (RISSOINIDAE) (FOSSIL)
- nigeriensis, Pterotegulaedon nigeriensis (D. Mongin, 1968 †) - (TEGULAEDONTIDAE) (FOSSIL)
- nigeriensis, Peronaea nigeriensis R.B. Newton, 1922 † - (TELLINIDAE) (FOSSIL)
- nigeriensis, Eopleurotoma nigeriensis R.B. Newton, 1922 † - (TURRIDAE) (FOSSIL)
- nigeriensis, Hyriopsis nigeriensis D. Mongin, 1968 † - syn of: Pterotegulaedon nigeriensis (D. Mongin, 1968 †) - (UNIONIDAE) (FOSSIL)
- nigeriensis, Paravascoceras nigeriensis Woods, 1911 † - syn of: Pseudovascoceras nigeriense (Woods, 1911 †) - (VASCOCERATIDAE) (FOSSIL)
- nigeriensis bicarinata, Pseudotissotia nigeriensis bicarinata Barber, 1957 † - (PSEUDOTISSOTIIDAE) (FOSSIL)
- nigeriensis plana, Pseudotissotia nigeriensis plana Barber, 1957 † - (PSEUDOTISSOTIIDAE) (FOSSIL)
- nigeriensis tortuosa, Hyriopsis nigeriensis tortuosa D. Mongin, 1968 † - syn of: Pterotegulaedon tortuosa (D. Mongin, 1968 †) - (UNIONIDAE) (FOSSIL)
- nigeriensis tricarinata, Pseudotissotia nigeriensis tricarinata Reyment, 1954 † - (PSEUDOTISSOTIIDAE) (FOSSIL)
- nigerina, Crenavolva nigerina H. Dufo, 1840 - syn of: Crenavolva striatula (G.B. I Sowerby, 1828) - (OVULIDAE)
- Nigerithium, Genus Nigerithium Adegoke, 1977 † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- nigerrima, Aegires gardineri nigerrima N. Yonow, 1994 - (AEGIRIDAE)
- nigerrima, Nerita nigerrima J.H. Chemnitz - (NERITIDAE)
- nigerrima, Nembrotha nigerrima L.S.R. Bergh, 1877 - (POLYCERIDAE)
- nigerrima, Crassispira nigerrima (G.B. I Sowerby, 1834) - (PSEUDOMELATOMIDAE)
- nigerrima, Siphonaria nigerrima E.A. Smith, 1903 - (SIPHONARIIDAE)
- nigerrima, Diloma nigerrima (J.F. Gmelin, 1791) - (TROCHIDAE)
- nigerrima digna, Diloma nigerrima digna H.J. Finlay, 1926 - (TROCHIDAE)
- nigerrima kubaryana, Nembrotha nigerrima kubaryana L.S.R. Bergh, 1877 - syn of: Nembrotha kubaryana L.S.R. Bergh, 1877 - (POLYCERIDAE)
- nigerrimus, Limax nigerrimus H.R. Simroth, 1901 - (LIMACIDAE)
- nigerrimus, Omphalius nigerrimus (J.F. Gmelin, 1791) - (TEGULIDAE)
- nigerrimus, Turbo nigerrimus J.F. Gmelin, 1791 - syn of: Diloma nigerrima (J.F. Gmelin, 1791) - (TURBINIDAE)
- nigerrimus, Unio nigerrimus I. Lea, 1852 - syn of: Villosa lienosa (T.A. Conrad, 1834) - (UNIONIDAE)
- nigieriensis, Mazzalina nigieriensis (R.B. Newton, 1922 †) - (FASCIOLARIIDAE) (FOSSIL)
- nigmatullini, Kondakovia nigmatullini V.V. Laptikhovsky, A.I. Arkhipkin & K.S. Bolstad, 2009 - (ONYCHOTEUTHIDAE)
- nigra, Acanthochitona nigra Sirenko & Saito, 2017 - (ACANTHOCHITONIDAE)
- nigra, Achatinella nigra W. Newcomb - syn of: Amastra nigra W. Newcomb, 1855 - (ACHATINELLIDAE)
- nigra, Hallaxa nigra J.J. Risbec, 1928 - syn of: Hallaxa fuscescens (W.H. Pease, 1871) - (ACTINOCYCLIDAE)
- nigra, Amastra nigra W. Newcomb, 1855 - (AMASTRIDAE)
- nigra, Aplysia nigra D'Orbigny, 1837 - (APLYSIIDAE)
- nigra, Aplysia nigra F.W. Hutton - syn of: Aplysia juliana J.R.C. Quoy & J.P. Gaimard, 1832 - (APLYSIIDAE)
- nigra, Arca nigra É. Lamy, 1907 - syn of: Didimacar nigra (É. Lamy, 1907) - (ARCIDAE)
- nigra, Chrysallis rollei nigra (P. Bartsch, 1932) - (BRADYBAENIDAE)
- nigra, Kora nigra L.R.L. Simone, 2015 - (BULIMULIDAE)
- nigra, Cyerce nigra L.S.R. Bergh, 1871 - (CALIPHYLLIDAE)
- nigra, Pachnodus nigra (H. Dufo, 1840) - syn of: Pachnodus niger (H. Dufo, 1840) - (CERASTUIDAE)
- nigra, Acanthopleura nigra (D.W. Barnes, 1824) - (CHITONIDAE)
- nigra, Watasella nigra M. Sasaki, 1920 - syn of: Vampyroteuthis infernalis C. Chun, 1903 - (CIRROTEUTHIDAE)
- nigra, Itala nigra A. Issel, 1866 - syn of: Charpentieria itala nigra (A. Issel, 1866) - (CLAUSILIIDAE)
- nigra, Hemiphaedusa odontochila nigra H.A. Pilsbry, 1901 - (CLAUSILIIDAE)
- nigra, Hemiphaedusa similaris nigra (H. Minato & A. Tada, 1977) - (CLAUSILIIDAE)
- nigra, Charpentieria itala nigra (A. Issel, 1866) - (CLAUSILIIDAE)
- nigra, Zierliana nigra J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Vexillum oleaceum (L.A. Reeve, 1844) - (COSTELLARIIDAE)
- nigra, Vexillum nigra P.M. Pallary, 1900 - syn of: Pusia ebenus (J.B.P.A. Lamarck, 1811) - (COSTELLARIIDAE)
- nigra, Pusia nigra P. Dautzenberg & J.L. Bouge, 1923 - syn of: Pusia luculentum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- nigra, Vexillum vulpecula nigra (C. Linnaeus, 1758) - (COSTELLARIIDAE)
- nigra, Cymaclymenia nigra W. Korn, 1991 † - (CYMACLYMENIIDAE) (FOSSIL)
- nigra, Dendrodoris nigra (W. Stimpson, 1855) - (DENDRODORIDIDAE)
- nigra, Dendrodoris nigra C.T. Simpson, 1855 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (DENDRODORIDIDAE)
- nigra, Kentrodoris nigra J.J. Risbec, 1928 - (DISCODORIDIDAE)
- nigra, Doris nigra W. Stimpson, 1855 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (DORIDIDAE)
- nigra, Doto nigra C.N.E. Eliot, 1910 - syn of: Doto pinnatifida (G. Montagu, 1804) - (DOTIDAE)
- nigra, Eatoniella nigra (A.V.M.D. D'Orbigny, 1840) - (EATONIELLIDAE)
- nigra, Marinula nigra (R.A. Philippi, 1841) - (ELLOBIIDAE)
- nigra, Phidiana nigra F.M. MacFarland, 1966 - syn of: Phidiana hiltoni (O'Donoghue, 1927) - (FACELINIDAE)
- nigra, Fissurella nigra R.P. Lesson, 1831 - (FISSURELLIDAE)
- nigra, Mourlonia nigra E.F.R.K. Koken, 1889 † - (GOSSELETINIDAE) (FOSSIL)
- nigra, Helicarion nigra J.R.C. Quoy & J.P. Gaimard, 1832 - (HELICARIONIDAE)
- nigra, Aplysiopsis nigra (K. Baba, 1949) - (HERMAEIDAE)
- nigra, Buchema nigra P.J. Fallon, 2010 - (HORAICLAVIDAE)
- nigra, Fluvidona nigra J.R.C. Quoy & J.P. Gaimard, 1834 - (HYDROBIIDAE)
- nigra, Discula nigra T.D.A. Cockerell, 1922 - syn of: Discula attrita (R.T. Lowe, 1831) - (HYGROMIIDAE)
- nigra, Ercolania nigra (H.M. Lemche, 1935) - (LIMAPONTIIDAE)
- nigra, Alderiopsis nigra (K. Baba, 1937) - (LIMAPONTIIDAE)
- nigra, Limapontia nigra G. Johnston, 1836 - syn of: Limapontia capitata (O.F. Müller, 1774) - (LIMAPONTIIDAE)
- nigra, Volutella nigra G. Perry, 1811 - syn of: Vasum turbinellus (C. Linnaeus, 1758) - (MARGINELLIDAE)
- nigra, Melanopsis doriae nigra H.E.J. Biggs, 1934 - (MELANOPSIDAE)
- nigra, Tandonia nigra (L. Pfeiffer, 1894) - (MILACIDAE)
- nigra, Mitra nigra (J.F. Gmelin, 1791) - (MITRIDAE)
- nigra, Mitra nigra L.A. Reeve, 1844 - syn of: Mitra carbonaria W.J. Swainson, 1822 - (MITRIDAE)
- nigra, Mitra nigra J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Vexillum oleaceum (L.A. Reeve, 1844) - (MITRIDAE)
- nigra, Hormotoma nigra Longst, 1924 † - (MURCHISONIIDAE) (FOSSIL)
- nigra, Lithophaga nigra d'Orbigny, 1845 - (MYTILIDAE)
- nigra, Musculus nigra J.E. Gray, 1824 - syn of: Musculus niger Gray, 1824 - (MYTILIDAE)
- nigra, Hebra nigra J.B. Hombron & C.H. Jacquinot, 1854 - (NASSARIIDAE)
- nigra, Nassa nigra C. Rousseau, 1854 - syn of: Hebra nigra J.B. Hombron & C.H. Jacquinot, 1854 - (NASSARIIDAE)
- nigra, Nerita nigra L.W. Dillwyn, 1817 - syn of: Nerita polita C. Linnaeus, 1758 - (NERITIDAE)
- nigra, Theodoxus semiplicatus nigra E. Jekelius, 1932 † - (NERITIDAE) (FOSSIL)
- nigra, Theodoxus marteli nigra (P.M. Pallary, 1918) - (NERITIDAE)
- nigra, Didimacar nigra (É. Lamy, 1907) - (NOETIIDAE)
- nigra, Eledone nigra W.E. Hoyle, 1910 - syn of: Eledone schultzei (W.E. Hoyle, 1910) - (OCTOPODIDAE)
- nigra, Aphrodoctopus nigra W.E. Hoyle, 1910 - syn of: Eledone schultzei (W.E. Hoyle, 1910) - (OCTOPODIDAE)
- nigra, Peronia nigra J.E. Gray, 1850 - syn of: Scaphis atra (R.P. Lesson, 1831) - (ONCHIDIIDAE)
- nigra, Pasithea nigra J.G. Totten, 1834 - syn of: Bittiolum alternatum (T. Say, 1822) - (PARTULIDAE)
- nigra, Patella nigra E.M. Da Costa, 1771 - syn of: Cymbula safiana (J.B.P.A. Lamarck, 1819) - (PATELLIDAE)
- nigra, Cymbula nigra J.B.P.A. Lamarck, 1819 - syn of: Cymbula safiana (J.B.P.A. Lamarck, 1819) - (PATELLIDAE)
- nigra, Phyllidiella nigra (J.C. van Hasselt, 1824) - (PHYLLIDIIDAE)
- nigra, Phyllidia nigra W.H. Pease, 1868 - syn of: Phyllidiella rosans (L.S.R. Bergh, 1873) - (PHYLLIDIIDAE)
- nigra, Atrina nigra L.W. Dillwyn, 1817 - syn of: Atrina vexillum (I. von Born, 1778) - (PINNIDAE)
- nigra, Planaxis nigra J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Supplanaxis niger (J.R.C. Quoy & J.P. Gaimard, 1833) - (PLANAXIDAE)
- nigra, Pseudozygopleura nigra Knight, 1930 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- nigra, Pinctada nigra (A.A. Gould, 1850) - (PTERIIDAE)
- nigra, Tancredia nigra Arkell, 1927 † - (TANCREDIIDAE) (FOSSIL)
- nigra, Nototeredo nigra H.M.D. de Blainville, 1828 - syn of: Nototeredo norvagica (L. Spengler, 1792) - (TEREDINIDAE)
- nigra, Stomatella nigra J.R.C. Quoy & J.P. Gaimard, 1834 - (TROCHIDAE)
- nigra, Vasum nigra G. Perry, 1811 - syn of: Vasum turbinellus (C. Linnaeus, 1758) - (TURBINELLIDAE)
- nigra, Prisogaster nigra W. Wood, 1828 - syn of: Prisogaster niger (W. Wood, 1828) - (TURBINIDAE)
- nigra, Decollidrillia nigra T. Habe & K. Itô, 1965 - (TURRIDAE)
- nigra, Pleurotoma nigra V.L.V. Potiez, 1838 - syn of: Bela nebula (G. Montagu, 1803) - (TURRIDAE)
- nigra, Unio nigra C.S. Rafinesque, 1819 - syn of: Elliptio crassidens J.B.P.A. Lamarck, 1819 - (UNIONIDAE)
- nigra, Coriocella nigra (H.M.D. de Blainville, 1824) - (VELUTINIDAE)
- nigra, Lamellaria nigra H.M.D. de Blainville, 1824 - syn of: Coriocella nigra (H.M.D. de Blainville, 1824) - (VELUTINIDAE)
- nigra, Vaginulus nigra D.F. Heynemann, 1885 - (VERONICELLIDAE)
- nigra brunnea, Dendrodoris nigra brunnea L.S.R. Bergh, 1890 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (DENDRODORIDIDAE)
- nigra bullata, Modiola nigra bullata K.M. Derjugin, 1928 - syn of: Musculus svecicus (O. Fabricius, 1788) - (MYTILIDAE)
- nigra bullata, Musculus nigra bullata K.M. Derjugin, 1928 - syn of: Musculus svecicus (O. Fabricius, 1788) - (MYTILIDAE)
- nigra coerulea, Dendrodoris nigra coerulea L.S.R. Bergh, 1880 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (DENDRODORIDIDAE)
- nigra fusca, Elliptio nigra fusca C.S. Rafinesque, 1820 - syn of: Elliptio crassidens J.B.P.A. Lamarck, 1819 - (UNIONIDAE)
- nigra luteopunctata, Dendrodoris nigra luteopunctata L.S.R. Bergh, 1905 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (DENDRODORIDIDAE)
- nigra maculata, Elliptio nigra maculata C.S. Rafinesque, 1820 - syn of: Elliptio crassidens J.B.P.A. Lamarck, 1819 - (UNIONIDAE)
- nigra minor, Marinula nigra minor C. Vélain, 1877 - (ELLOBIIDAE)
- nigra nigerrima, Dendrodoris nigra nigerrima L.S.R. Bergh, 1888 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (DENDRODORIDIDAE)
- nigra pallens, Cyerce nigra pallens R.F. Burn, 1957 - syn of: Polybranchia pallens (R.F. Burn, 1957) - (CALIPHYLLIDAE)
- nigra pallens, Polybranchia nigra pallens R.F. Burn, 1957 - syn of: Polybranchia pallens (R.F. Burn, 1957) - (CALIPHYLLIDAE)
- nigrachlamydae, Arion nigrachlamydae A. Torres Mínguez, 1925 - syn of: Arion lusitanicus J.F. Mabille, 1868 - (ARIONIDAE)
- nigraerupis, Pyrgulina nigraerupis E. Saurin, 1959 - (PYRAMIDELLIDAE)
- nigrans, Nipponacmea nigrans (T. Kira, 1961) - (LOTTIIDAE)
- nigrans, Trochomorpha nigrans E.A. Smith, 1889 - (TROCHOMORPHIDAE)
- nigratus, Pachychilus nigratus (F. Poey, 1858) - (PACHYCHILIDAE)
- nigreola, Nerita nigreola P.F. Röding, 1798 - syn of: Nerita fulgurans J.F. Gmelin, 1791 - (NERITIDAE)
- nigrescens, Deroceras nigrescens H.R. Simroth, 1894 - syn of: Deroceras lombricoides P.M.A. Morelet, 1845 - (AGRIOLIMACIDAE)
- nigrescens, Lirobarleeia nigrescens P. Bartsch & H.A. Rehder, 1939 - syn of: Lirobarleeia galapagensis (P. Bartsch, 1911) - (BARLEEIIDAE)
- nigrescens, Batillaria nigrescens K.T. Menke, 1828 - syn of: Lampanella minima (J.F. Gmelin, 1791) - (BATILLARIIDAE)
- nigrescens, Helicostyla smaragdina nigrescens (C.G. Semper, 1877) - (BRADYBAENIDAE)
- nigrescens, Calycia crystallina nigrescens H.C. Fulton, 1910 - (CAMAENIDAE)
- nigrescens, Cerithium nigrescens K.T. Menke, 1828 - syn of: Lampanella minima (J.F. Gmelin, 1791) - (CERITHIIDAE)
- nigrescens, Russatus nigrescens O.F. von Möllendorff - (CHAROPIDAE)
- nigrescens, Ryssota nigrescens O.F. von Möllendorff, 1898 - (CHRONIDAE)
- nigrescens, Conus nigrescens J.G. de Barros e Cunha, 1933 - syn of: Rhombiconus imperialis (C. Linnaeus, 1758) - (CONIDAE)
- nigrescens, Conus nigrescens G.B. II Sowerby, 1860 - syn of: Conus bandanus C.H. Hwass in J.G. Bruguière, 1792 - (CONIDAE)
- nigrescens, Cypraea nigrescens J.E. Gray, 1824 - syn of: Cypraea tigris C. Linnaeus, 1758 - (CYPRAEIDAE)
- nigrescens, Murex nigrescens G.B. II Sowerby, 1841 - syn of: Vokesimurex messorius (G.B. II Sowerby, 1841) - (MURICIDAE)
- nigrescens, Natica nigrescens C.B. Adams, 1850 - syn of: Natica livida L. Pfeiffer, 1840 - (NATICIDAE)
- nigrescens, Pleurodonte nigrescens (W. Wood, 1828) - (PLEURODONTIDAE)
- nigrescens, Crassispira nigrescens (C.B. Adams, 1845) - (PSEUDOMELATOMIDAE)
- nigrescens, Leiostracus coxeiranus nigrescens (S. Moricand, 1836) - (SIMPULOPSIDAE)
- nigrescens, Strictispira nigrescens L.A. Reeve, 1845 - syn of: Strictispira paxillus (L.A. Reeve, 1845) - (STRICTISPIRIDAE)
- nigrescens, Pleurotoma nigrescens L.A. Reeve, 1845 - syn of: Strictispira paxillus (L.A. Reeve, 1845) - (TURRIDAE)
- nigrescens, Pleurotoma nigrescens C.B. Adams, 1845 - syn of: Crassispira nigrescens (C.B. Adams, 1845) - (TURRIDAE)
- nigrescens, Anoma nigrescens (C.B. Adams, 1851) - (UROCOPTIDAE)
- nigrescens leucostoma, Anoma nigrescens leucostoma H.A. Pilsbry, 1903 - syn of: Anoma nigrescens (C.B. Adams, 1851) - (UROCOPTIDAE)
- nigrescens levior, Anoma nigrescens levior H.B. Baker, 1935 - syn of: Anoma nigrescens (C.B. Adams, 1851) - (UROCOPTIDAE)
- nigriadiata, Fissurella nigriadiata L.A. Reeve, 1850 - syn of: Diodora ruppelli (G.B. I Sowerby, 1835) - (FISSURELLIDAE)
- nigricans, Achatinella byronii nigricans H.A. Pilsbry & C.M. Cooke, 1913 - (ACHATINELLIDAE)
- nigricans, Mesanella nigricans (O.F. von Möllendorff, 1900) - (BRADYBAENIDAE)
- nigricans, Clea nigricans (A. Adams, 1855) - (BUCCINIDAE)
- nigricans, Cyerce nigricans (W.H. Pease, 1866) - (CALIPHYLLIDAE)
- nigricans, Camaena nigricans O.F. von Möllendorff, 1900 - (CAMAENIDAE)
- nigricans, Hemizaptyx nigricans H. Nordsieck, 1998 - (CLAUSILIIDAE)
- nigricans, Clausilia nigricans R. Pulteney, 1807 - (CLAUSILIIDAE)
- nigricans, Clausilia nigricans W.G. Maton & T. Rackett, 1807 - syn of: Clausilia bidentata (H. Strøm, 1765) - (CLAUSILIIDAE)
- nigricans, Parvanachis nigricans (G.B. II Sowerby, 1844) - (COLUMBELLIDAE)
- nigricans, Columbella nigricans G.B. II Sowerby, 1844 - syn of: Parvanachis nigricans (G.B. II Sowerby, 1844) - (COLUMBELLIDAE)
- nigricans, Vexillum deshayesii nigricans (P. Dautzenberg & J.L. Bouge, 1933) - (COSTELLARIIDAE)
- nigricans, Mauritia nigricans J.C.H. Crosse, 1869 - syn of: Mauritia eglantina (P.L. Duclos, 1833) - (CYPRAEIDAE)
- nigricans, Dendrodoris nigricans B.C. Otto, 1823 - syn of: Dendrodoris limbata (G.L.C.F.D. Cuvier, 1804) - (DENDRODORIDIDAE)
- nigricans, Doris nigricans J. Fleming, 1820 - syn of: Acanthodoris pilosa (P.C. Abildgaard in O.F. Müller, 1789) - (DORIDIDAE)
- nigricans, Doris nigricans B.C. Otto, 1823 - syn of: Dendrodoris limbata (G.L.C.F.D. Cuvier, 1804) - (DORIDIDAE)
- nigricans, Discula nigricans R.T. Lowe, 1855 - syn of: Discula polymorpha (R.T. Lowe, 1831) - (HYGROMIIDAE)
- nigricans, Cernuella nigricans J.R. Bourguignat in É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- nigricans, Limapontia nigricans J.L.A. Quatrefages, 1844 - syn of: Limapontia capitata (O.F. Müller, 1774) - (LIMAPONTIIDAE)
- nigricans, Milax nigricans (R.A. Philippi, 1836) - (MILACIDAE)
- nigricans, Nebularia nigricans W.H. Pease, 1865 - syn of: Nebularia luctuosa A. Adams, 1853 - (MITRIDAE)
- nigricans, Clithon squarrosum nigricans E.C. Von Martens, 1878 - (NERITIDAE)
- nigricans, Onchidella nigricans (J.R.C. Quoy & J.P. Gaimard, 1832) - (ONCHIDIIDAE)
- nigricans, Onchidium nigricans J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Onchidella nigricans (J.R.C. Quoy & J.P. Gaimard, 1832) - (ONCHIDIIDAE)
- nigricans, Acanthodoris nigricans J. Fleming, 1828 - syn of: Acanthodoris pilosa (P.C. Abildgaard in O.F. Müller, 1789) - (ONCHIDORIDIDAE)
- nigricans, Paludomus nigricans L.A. Reeve, 1847 - (PALUDOMIDAE)
- nigricans, Helisoma nigricans (J.B. von Spix, 1827) - (PLANORBIDAE)
- nigricans, Planorbis nigricans J.B. von Spix, 1827 - syn of: Biomphalaria glabrata (T. Say, 1818) - (PLANORBIDAE)
- nigricans, Australorbis nigricans A. Lutz, 1919 - syn of: Biomphalaria tenagophila (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- nigricans, Crassispira nigricans W.H. Dall, 1919 - syn of: Crassispira maura (G.B. I Sowerby, 1834) - (PSEUDOMELATOMIDAE)
- nigricans, Pseudomonotis nigricans Stefanini, 1939 † - (PSEUDOMONOTIDAE) (FOSSIL)
- nigricans, Finella nigricans P. Bartsch & H.A. Rehder, 1939 - (SCALIOLIDAE)
- nigricans, Umbospira nigricans J. Perner, 1903 † - (SINUOPEIDAE) (FOSSIL)
- nigricans, Streptostyla nigricans (L. Pfeiffer, 1845) - (SPIRAXIDAE)
- nigricans, Strombus nigricans G. Perry, 1811 - syn of: Harpago arthriticus (P.F. Röding, 1798) - (STROMBIDAE)
- nigricans, Homorus kwidschwiensis nigricans H.A. Pilsbry, 1919 - (SUBULINIDAE)
- nigricans, Vasum nigricans G. Perry, 1811 - syn of: Vasum turbinellus (C. Linnaeus, 1758) - (TURBINELLIDAE)
- nigricans, Unio nigricans L.I. Fitzinger, 1833 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- nigricans, Anodon nigricans P.M. Heude, 1877 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- nigricans, Petaloconchus nigricans (W.H. Dall, 1884) - (VERMETIDAE)
- nigricans granulata, Clea nigricans granulata E.A. Smith, 1895 - syn of: Clea nigricans (A. Adams, 1855) - (BUCCINIDAE)
- nigricans maxima, Clea nigricans maxima A. Brot, 1881 - syn of: Clea nigricans (A. Adams, 1855) - (BUCCINIDAE)
- nigricans natunensis, Clea nigricans natunensis E.A. Smith, 1895 - syn of: Clea nigricans (A. Adams, 1855) - (BUCCINIDAE)
- nigricans parva, Retifusus nigricans parva A. Adams, 1855 - syn of: Clea nigricans (A. Adams, 1855) - (BUCCINIDAE)
- nigricans parva, Clea nigricans parva E.A. Smith, 1895 - syn of: Clea nigricans (A. Adams, 1855) - (BUCCINIDAE)
- nigriceps, Chrysallis nigriceps P. Bartsch - (BRADYBAENIDAE)
- nigricingulata, Mitromorpha nigricingulata M. Chino & P. Stahlschmidt, 2009 - (MITROMORPHIDAE)
- nigricollensis, Scaphites nigricollensis Cobban, 1951 † - (SCAPHITIDAE) (FOSSIL)
- nigricolor, Gymnodoris nigricolor K. Baba, 1960 - (GYMNODORIDIDAE)
- nigricolor, Turbonilla nigricolor (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- nigricolor, Chemnitzia nigricolor S. Nomura, 1936 - syn of: Turbonilla nigricolor (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- nigricolor, Tegula nigricolor R.W. Dunker, 1860 - syn of: Tegula xanthostigma A. Adams, 1853 - (TEGULIDAE)
- nigricolora, Catriona nigricolora (K. Baba, 1955) - (TRINCHESIIDAE)
- nigricostata, Anachis nigricostata E.A. Smith, 1878 - syn of: Anachis miser (G.B. II Sowerby, 1844) - (COLUMBELLIDAE)
- nigricostata, Columbella nigricostata E.A. Smith, 1878 - syn of: Anachis miser (G.B. II Sowerby, 1844) - (COLUMBELLIDAE)
- nigricostatum, Monostiolum nigricostatum (L.A. Reeve, 1846) - (BUCCINIDAE)
- nigricostatus, Caducifer nigricostatus L.A. Reeve, 1846 - syn of: Monostiolum nigricostatum (L.A. Reeve, 1846) - (BUCCINIDAE)
- Nigriculina, syn of: Genus Potadoma W.J. Swainson, 1840 (PACHYCHILIDAE)
- nigriculum, Chondropoma nigriculum (J. Gundlach, 1860) - (POMATIIDAE)
- nigrilabris, Pomacea nigrilabris R.A. Philippi, 1851 - syn of: Pomacea sordida (W.J. Swainson, 1823) - (AMPULLARIIDAE)
- nigrilabris, Auris bilabiata nigrilabris H.A. Pilsbry, 1896 - (BULIMULIDAE)
- nigrilabris, Helix nigrilabris E.C. Von Martens, 1869 - syn of: Xanthomelon spheroidea (E.J. Le Guillou, 1845) - (HELICIDAE)
- nigrimontanus, Discus nigrimontanus H.A. Pilsbry, 1924 - (DISCIDAE)
- nigrina, Mitra nigrina J.B.P.A. Lamarck, 1811 - syn of: Vexillum subdivisum (J.F. Gmelin, 1791) - (MITRIDAE)
- nigrina, Atrina nigrina J.B.P.A. Lamarck, 1819 - syn of: Atrina vexillum (I. von Born, 1778) - (PINNIDAE)
- nigrina, Crenatula nigrina J.B.P.A. Lamarck, 1819 - syn of: Crenatula picta (J.F. Gmelin, 1791) - (PTERIIDAE)
- nigrina, Juga nigrina (I. Lea, 1856) - (SEMISULCOSPIRIDAE)
- nigrina, Melania nigrina I. Lea, 1856 - syn of: Juga nigrina (I. Lea, 1856) - (THIARIDAE)
- nigrinodosum, Cerithium nigrinodosum F. Nordsieck, 1974 - syn of: Cerithium vulgatum J.G. Bruguière, 1792 - (CERITHIIDAE)
- nigrinum, Cerithium nigrinum R.A. Philippi, 1848 - syn of: Cerithium lutosum K.T. Menke, 1828 - (CERITHIIDAE)
- Nigriphanta, Subgenus Helicophanta (Nigriphanta) Groh & Poppe, 2002 (ACAVIDAE)
- nigripicta, Achatinella apexfulva nigripicta D.A. Welch, 1942 - (ACHATINELLIDAE)
- nigripunctata, Haminoea nigripunctata W.H. Pease, 1868 - syn of: Haminoea nigropunctata W.H. Pease, 1868 - (HAMINOEIDAE)
- nigrirostratus, Fusinus nigrirostratus (E.A. Smith, 1879) - (FASCIOLARIIDAE)
- nigrirostratus, Fusus nigrirostratus E.A. Smith, 1879 - syn of: Fusinus nigrirostratus (E.A. Smith, 1879) - (FASCIOLARIIDAE)
- nigrispinis, Clithon nigrispinis R.P. Lesson, 1831 - (NERITIDAE)
- nigrispinosus, Murex nigrispinosus L.A. Reeve, 1845 - syn of: Murex ternispina J.B.P.A. Lamarck, 1822 - (MURICIDAE)
- nigrisquamata, Patella nigrisquamata L.A. Reeve, 1854 - syn of: Cellana mazatlandica (G.B. II Sowerby, 1839) - (PATELLIDAE)
- nigrita, Tutufella nigrita (H. Mühlhäusser & M. Blöcher, 1979) - (BURSIDAE)
- nigrita, Amblychilepas nigrita (Sowerby, 1835) - (FISSURELLIDAE)
- nigrita, Nerita nigrita (P.F. Röding, 1798) - (NERITIDAE)
- nigrita, Cymostyla nigrita P.F. Röding, 1798 - syn of: Nerita nigrita (P.F. Röding, 1798) - (NERITIDAE)
- nigrita, Synaptocochlea nigrita H.A. Rehder, 1939 - syn of: Synaptocochlea picta (A.V.M.D. D'Orbigny, 1847) - (TROCHIDAE)
- nigritella, Pusia nigritella P. Bartsch, 1918 - syn of: Pusia exaratum (A. Adams, 1853) - (COSTELLARIIDAE)
- nigritella, Peristernia nigritella (C.M. Tapparone-Canefri, 1882) - (FASCIOLARIIDAE)
- nigritella, Mitra nigritella P. Bartsch, 1918 - syn of: Pusia exaratum (A. Adams, 1853) - (MITRIDAE)
- nigritella, Trochomorpha nigritella (L. Pfeiffer, 1845) - (TROCHOMORPHIDAE)
- Nigritella, syn of: Genus Trochomorpha J.A. Albers, 1850 (TROCHOMORPHIDAE)
- nigritus, Hexaplex nigritus (R.A. Philippi, 1845) - (MURICIDAE)
- nigritus, Murex nigritus R.A. Philippi, 1845 - syn of: Hexaplex nigritus (R.A. Philippi, 1845) - (MURICIDAE)
- nigroapicatus, Drymaeus nigroapicatus L. Pfeiffer, 1857 - (BULIMULIDAE)
- nigrobalteatum, Cerithium nigrobalteatum E.A. Smith, 1884 - syn of: Cerithium balteatum R.A. Philippi, 1848 - (CERITHIIDAE)
- nigrobranchiata, Cadlina nigrobranchiata W.B. Rudman, 1985 - (CADLINIDAE)
- nigrobrunnea, Siphonalia nigrobrunnea Y.C. Lee & C. Chen, 2010 - (BUCCINIDAE)
- nigrobrunnea, Cassidula paludosa nigrobrunnea H.A. Pilsbry & Y. Hirase, 1905 - (ELLOBIIDAE)
- nigrocapitata, Elysia nigrocapitata K. Baba, 1957 - (PLAKOBRANCHIDAE)
- nigrocera, Doriopsilla nigrocera N. Yonow, 2012 - (DENDRODORIDIDAE)
- nigrocincta, Aplysia nigrocincta E.C. Von Martens - (APLYSIIDAE)
- nigrocincta, Lienardia nigrocincta (S.M. Souverbie & R.P. Montrouzier, 1873) - (CLATHURELLIDAE)
- nigrocincta, Erronea caurica nigrocincta F.A. Schilder, 1924 - (CYPRAEIDAE)
- nigrocincta, Fissurella nigrocincta P.P. Carpenter, 1856 - (FISSURELLIDAE)
- nigrocincta, Nerita versicolor nigrocincta G.W. Nowell-Usticke, 1959 - (NERITIDAE)
- nigrocincta, Marshallora nigrocincta (Adams, 1839) - (TRIPHORIDAE)
- nigrocingulata, Pseudodaphnella tincta nigrocingulata R.P.J. Hervier, 1897 - (RAPHITOMIDAE)
- nigrocostatus, Caducifer nigrocostatus L.A. Reeve, 1846 - syn of: Monostiolum nigricostatum (L.A. Reeve, 1846) - (BUCCINIDAE)
- nigrocrocea, Cystiscus nigrocrocea K.H. Barnard, 1969 - syn of: Plesiocystiscus aphanospira (J.R. le B. Tomlin, 1913) - (CYSTISCIDAE)
- nigrocrocea, Persicula nigrocrocea K.H. Barnard, 1969 - syn of: Plesiocystiscus aphanospira (J.R. le B. Tomlin, 1913) - (CYSTISCIDAE)
- nigrocrocea, Polycera nigrocrocea K.H. Barnard, 1927 - syn of: Polycera capensis J.R.C. Quoy & J.P. Gaimard, 1824 - (POLYCERIDAE)
- nigrofasciata, Grandinenia pseudofuchsi nigrofasciata H. Nordsieck, 2012 - (CLAUSILIIDAE)
- nigrofasciata, Pusia nigrofasciata G.B. Sowerby, 1874 - syn of: Pusia luculentum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- nigrofasciata, Polymita picta nigrofasciata C. de la Torre, 1950 - (HELMINTHOGLYPTIDAE)
- nigrofasciata, Clithon squarrosum nigrofasciata E.C. Von Martens, 1878 - (NERITIDAE)
- nigrofasciatum, Clypeomorus nigrofasciatum G.B. II Sowerby, 1865 - syn of: Clypeomorus bifasciata (G.B. II Sowerby, 1855) - (CERITHIIDAE)
- nigrofasciatum, Calaperostoma nigrofasciatum (K. Miller, 1879) - (NEOCYCLOTIDAE)
- nigrofasciatus, Drymaeus nigrofasciatus (L. Pfeiffer, 1846) - (BULIMULIDAE)
- nigrofasciatus elongatulus, Drymaeus nigrofasciatus elongatulus H.A. Pilsbry, 1898 - (BULIMULIDAE)
- nigrofusca, Seila nigrofusca C.F. Laseron, 1951 - (CERITHIOPSIDAE)
- nigrofusca, Anachis nigrofusca (P.P. Carpenter, 1857) - (COLUMBELLIDAE)
- nigrofusca, Pteria nigrofusca R.W. Dunker, 1872 - syn of: Pteria colymbus (P.F. Röding, 1798) - (PTERIIDAE)
- nigrofuscus, Dolicholatirus nigrofuscus R. Tate, 1891 - syn of: Dolicholatirus spiceri (J.E. Tenison-Woods, 1876) - (FASCIOLARIIDAE)
- nigrofuscus, Monophorus nigrofuscus (A. Adams, 1854) - (TRIPHORIDAE)
- nigrofuscus, Triphora nigrofuscus A. Adams, 1854 - syn of: Monophorus nigrofuscus (A. Adams, 1854) - (TRIPHORIDAE)
- nigrogranosa, Coriophora nigrogranosa C.F. Laseron, 1958 - syn of: Bouchetriphora aspergata (C.F. Laseron, 1958) - (TRIPHORIDAE)
- nigrogularis, Drymaeus nigrogularis W.L.H. Dohrn, 1882 - (BULIMULIDAE)
- nigrogularis ribeiroi, Drymaeus nigrogularis ribeiroi H.F.A. von Ihering, 1915 - (BULIMULIDAE)
- nigrolabris, Amastra spirizona nigrolabris E.A. Smith, 1873 - (AMASTRIDAE)
- nigrolabrus, Nassarius nigrolabrus (A.E. Verrill, 1880) - (NASSARIIDAE)
- nigrolimbata, Polymita picta nigrolimbata C. de la Torre, 1950 - (HELMINTHOGLYPTIDAE)
- nigrolimbatus, Drymaeus nigrolimbatus H.A. Pilsbry, 1898 - syn of: Stenostylus nigrolimbatus (L. Pfeiffer, 1853) - (BULIMULIDAE)
- nigrolimbatus, Bulimus nigrolimbatus L. Pfeiffer, 1853 - syn of: Stenostylus nigrolimbatus (L. Pfeiffer, 1853) - (BULIMULIDAE)
- nigrolimbatus, Stenostylus nigrolimbatus (L. Pfeiffer, 1853) - (ORTHALICIDAE)
- nigrolineata, Gaeotis nigrolineata R.J. Shuttleworth, 1854 - (AMPHIBULIMIDAE)
- nigrolineata, Hypselodoris nigrolineata (C.N.E. Eliot, 1904) - (CHROMODORIDIDAE)
- nigrolineata, Lyncina lynx nigrolineata L. Bozzetti, 2014 - (CYPRAEIDAE)
- nigrolineata, Doriopsilla nigrolineata K.B. Meyer, 1977 - (DENDRODORIDIDAE)
- nigrolineata, Littorina nigrolineata J.E. Gray, 1839 - syn of: Littorina saxatilis (A.G. Olivi, 1792) - (LITTORINIDAE)
- nigrolineata, Littorina nigrolineata R.A. Philippi, 1846 - syn of: Littorina compressa J.G. Jeffreys, 1865 - (LITTORINIDAE)
- nigrolineata, Cellana nigrolineata (L.A. Reeve, 1854) - (NACELLIDAE)
- nigrolineata, Patella nigrolineata Auct. - syn of: Cellana granostriata (L.A. Reeve, 1855) - (PATELLIDAE)
- nigrolineata, Polycera nigrolineata P. Dautzenberg & P. Durouchoux, 1913 - syn of: Polycera quadrilineata (O.F. Müller, 1776) - (POLYCERIDAE)
- nigrolineata divergens, Cellana nigrolineata divergens (H.A. Pilsbry, 1891) - (NACELLIDAE)
- nigrolineatum, Phos nigrolineatum T. Habe, 1961 - syn of: Antillophos nigroliratus (T. Habe, 1961) - (NASSARIIDAE)
- nigrolineatus, Africarion nigrolineatus G.A. de Mol, 1970 - (UROCYCLIDAE)
- nigroliratus, Antillophos nigroliratus (T. Habe, 1961) - (NASSARIIDAE)
- nigromaculata, Perrinia nigromaculata (M.M. Schepman, 1908) - (CHILODONTIDAE)
- nigromaculata, Lyncina porteri nigromaculata F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- nigromaculata, Dendrodoris nigromaculata (T.D.A. Cockerell in T.D.A. Cockerell & C.N.E. Eliot, 1905) - (DENDRODORIDIDAE)
- nigromaculata, Doto nigromaculata C.N.E. Eliot, 1906 - (DOTIDAE)
- nigromaculata, Emarginula nigromaculata (K.H.J. Thiele, 1930) - (FISSURELLIDAE)
- nigromaculata, Taiwannuculana nigromaculata (T.A. Okutani, 1983) - (MALLETIIDAE)
- nigromaculata, Marginella nigromaculata S.G. Veldsman, 2017 - (MARGINELLIDAE)
- nigromaculata, Falsilunatia nigromaculata (É. Lamy, 1911) - (NATICIDAE)
- nigromaculata, Tritonia nigromaculata I.S. Roginskaya, 1984 - (TRITONIIDAE)
- nigromaculata, Portlandia nigromaculata T.A. Okutani, 1983 - syn of: Taiwannuculana nigromaculata (T.A. Okutani, 1983) - (YOLDIIDAE)
- nigromaculatum, Perrinia nigromaculatum M.M. Schepman, 1908 - syn of: Perrinia nigromaculata (M.M. Schepman, 1908) - (CHILODONTIDAE)
- nigromaculatus, Pionoconus nigromaculatus (D. Röckel & R.G. Moolenbeek, 1992) - (CONIDAE)
- nigromaculatus, Pecten nigromaculatus W. Kobelt, 1888 - syn of: Coralichlamys madreporarum (G.B. II Sowerby, 1842) - (PECTINIDAE)
- nigromagnus, Pecten nigromagnus (F. Sacco, 1897 †) - (PECTINIDAE) (FOSSIL)
- nigromarginata, Aplysia nigromarginata A. Risso, 1818 - syn of: Aplysia punctata (G.L.C.F.D. Cuvier, 1803) - (APLYSIIDAE)
- nigromarginata, Gaimardia nigromarginata G.J. Pfeffer in E.C. Von Martens & G.J. Pfeffer, 1886 - syn of: Gaimardia trapesina (J.B.P.A. Lamarck, 1819) - (GAIMARDIIDAE)
- nigromarginata, Gaimardia nigromarginata L. Pfeiffer in E.C. Von Martens & L. Pfeiffer, 1886 - syn of: Gaimardia trapesina (J.B.P.A. Lamarck, 1819) - (GAIMARDIIDAE)
- nigromarginata, Ostrea nigromarginata G.B. II Sowerby, 1871 - syn of: Saccostrea echinata (J.R.C. Quoy & J.P. Gaimard, 1835) - (OSTREIDAE)
- nigromarginata, Pinctada nigromarginata W. Saville-Kent, 1893 - syn of: Pinctada margaritifera (C. Linnaeus, 1798) - (PTERIIDAE)
- nigromarginatum, Siphopteron nigromarginatum T.M. Gosliner, 1989 - (GASTROPTERIDAE)
- nigromontanus, Bulimulus nigromontanus W.H. Dall, 1897 - (BULIMULIDAE)
- nigronodosa, Cerithium vulgatum nigronodosa F. Nordsieck, 1974 - (CERITHIIDAE)
- nigropicta, Coryda nigropicta (R. Arango in F. Poey, 1867) - (CEPOLIDAE)
- nigropicta, Polycera nigropicta H.F.A. von Ihering, 1885 - syn of: Polycera quadrilineata (O.F. Müller, 1776) - (POLYCERIDAE)
- nigropictus, Microceramus nigropictus (J. Gundlach in L. Pfeiffer, 1863) - (UROCOPTIDAE)
- nigropictus guanensis, Microceramus nigropictus guanensis C. de la Torre & P. Bartsch, 2008 - (UROCOPTIDAE)
- nigropileatus, Bostryx nigropileatus L.A. Reeve, 1849 - (BULIMULIDAE)
- nigropunctata, Lucilina nigropunctata (P.P. Carpenter, 1865) - (CHITONIDAE)
- nigropunctata, Pseudozonaria nigropunctata (Gray, 1828) - (CYPRAEIDAE)
- nigropunctata, Cypraea nigropunctata J.E. Gray, 1828 - syn of: Pseudozonaria nigropunctata (Gray, 1828) - (CYPRAEIDAE)
- nigropunctata, Dendrodoris nigropunctata (A.J.B.M. Vayssière, 1912) - (DENDRODORIDIDAE)
- nigropunctata, Diodora nigropunctata K.H.J. Thiele, 1930 - syn of: Diodora jukesii (L.A. Reeve, 1850) - (FISSURELLIDAE)
- nigropunctata, Fissurella nigropunctata G.B. I Sowerby, 1835 - syn of: Fissurella virescens G.B. I Sowerby, 1835 - (FISSURELLIDAE)
- nigropunctata, Haminoea nigropunctata W.H. Pease, 1868 - (HAMINOEIDAE)
- nigropunctata, Mangelia nigropunctata E.C. Von Martens, 1885 - syn of: Falsimohnia albozonata (R.B. Watson, 1886) - (MANGELIIDAE)
- nigropunctata, Patella nigropunctata L.A. Reeve, 1854 - syn of: Patella rustica C. Linnaeus, 1758 - (PATELLIDAE)
- nigropunctata, Tricolia aquensis nigropunctata A.E.M. Cossmann & M.A. Peyrot, 1916 † - (PHASIANELLIDAE) (FOSSIL)
- nigropunctata, Elysia nigropunctata (W.H. Pease, 1871) - (PLAKOBRANCHIDAE)
- nigropunctatum, Vasticardium nigropunctatum T. Habe & S. Kosuge, 1966 - syn of: Vasticardium pectiniforme (I. von Born, 1780) - (CARDIIDAE)
- nigropunctatum, Cerithium nigropunctatum G.B. II Sowerby, 1855 - syn of: Cerithium scabridum R.A. Philippi, 1848 - (CERITHIIDAE)
- nigropunctatum, Sagaminopteron nigropunctatum C.H. Carlson & P.J. Hoff, 1973 - (GASTROPTERIDAE)
- nigropunctatus, Dermatobranchus nigropunctatus K. Baba, 1949 - (ARMINIDAE)
- nigropunctatus, Pionoconus nigropunctatus (G.B. II Sowerby, 1858) - (CONIDAE)
- nigropunctatus, Pleurobranchus nigropunctatus L.S.R. Bergh, 1907 - (PLEUROBRANCHIDAE)
- nigropunctatus, Infundibulum nigropunctatus L.A. Reeve, 1861 - (TROCHIDAE)
- nigropunctatus elatensis, Conus nigropunctatus elatensis E. Wils, 1971 - syn of: Pionoconus nigropunctatus (G.B. II Sowerby, 1858) - (CONIDAE)
- nigropunctatus hanleyanus, Infundibulum nigropunctatus hanleyanus (C.F.F. von Krauss, 1848) - (TROCHIDAE)
- nigrosquamosa, Patella nigrosquamosa R.W. Dunker, 1846 - (PATELLIDAE)
- nigrostriata, Hypselodoris nigrostriata (C.N.E. Eliot, 1904) - (CHROMODORIDIDAE)
- nigrostriatus, Conus nigrostriatus S. Kosuge, 1979 - syn of: Profundiconus lani (P.R. Crandall, 1979) - (CONIDAE)
- nigrostrigata, Amblychilepas nigrostrigata W.H. Turton, 1932 - syn of: Dendrofissurella scutellum hiantula (J.B.P.A. Lamarck, 1822) - (FISSURELLIDAE)
- nigrosulcata, Patelloida nigrosulcata (L.A. Reeve, 1855) - (LOTTIIDAE)
- nigrotincta, Lienardia nigrotincta S.M. Souverbie & R.P. Montrouzier, 1873 - syn of: Lienardia nigrocincta (S.M. Souverbie & R.P. Montrouzier, 1873) - (CLATHURELLIDAE)
- nigroumbilicatus, Drymaeus nigroumbilicatus H.B. Preston, 1907 - (BULIMULIDAE)
- nigroumbilicatus, Bostryx torallyi nigroumbilicatus J.J. Parodíz, 1947 - (BULIMULIDAE)
- nigrovirescens, Radsia nigrovirescens (H.M.D. de Blainville, 1825) - (CHITONIDAE)
- nigrovittata, Embletonia nigrovittata A. da Costa, 1866 - syn of: Ercolania viridis (A. da Costa, 1866) - (EMBLETONIIDAE)
- nigrovittata, Hero nigrovittata (A. da Costa, 1866) - (HEROIDAE)
- nigrovittata, Ercolania nigrovittata Surya Rao & Subba Rao, 1963 - syn of: Ercolania raorum (Er. Marcus & Ev. Marcus, 1970) - (LIMAPONTIIDAE)
- nigrozonata, Helix nigrozonata J.R. Bourguignat, 1883 - syn of: Helix lucorum C. Linnaeus, 1758 - (HELICIDAE)
- nigrozonata, Pleurotoma nigrozonata H.C. Weinkauff, 1876 - syn of: Clavus unizonalis (J.B.P.A. Lamarck, 1822) - (TURRIDAE)
- nigrozonatus, Clavus nigrozonatus H.C. Weinkauff & W. Kobelt, 1876 - syn of: Clavus protentus R.P.J. Hervier, 1896 - (DRILLIIDAE)
- nigrum, Bittium nigrum J.G. Totten, 1834 - syn of: Bittiolum alternatum (T. Say, 1822) - (CERITHIIDAE)
- nigrum, Cerithium nigrum J.G. Totten, 1834 - syn of: Bittiolum alternatum (T. Say, 1822) - (CERITHIIDAE)
- nigrum, Cerithium nigrum R.A. Philippi, 1848 - syn of: Cerithium lutosum K.T. Menke, 1828 - (CERITHIIDAE)
- nigrum, Ptychonema nigrum J. Perner, 1903 † - (EOTOMARIIDAE) (FOSSIL)
- nigrum, Peronia nigrum H.P. Plate, 1893 - syn of: Scaphis atra (R.P. Lesson, 1831) - (ONCHIDIIDAE)
aaa
abx
ack
acy
adn
aer
afs
ajd
alc
alj
alu
amc
ams
and
anh
anp
anu
apl
arb
ard
arh
ars
asr
atl
atu
aus
aut
bab
baj
bao
bas
baw
bem
bes
bid
bim
bit
bli
bom
bos
bov
bre
bri
bry
bum
bys
caa
cak
cam
cao
cas
cau
cem
ces
che
chk
chy
cio
cle
cob
coh
com
con
coo
cos
cot
cre
cri
cru
cud
cuo
cuy
cym
daa
dam
dav
ded
dem
deo
det
dib
dih
dir
dit
dom
dos
duc
duq
eag
ecr
egg
elf
elp
enh
eov
erf
erz
eud
eus
exb
exl
exy
faa
fan
fat
fes
fim
fle
flu
fos
fre
fuf
fur
fut
gaa
gam
gav
geo
gie
gis
gle
glu
goo
gre
gru
gug
guz
haa
ham
has
heb
hem
hes
hif
his
hom
hou
hun
hye
iac
ilm
imt
ind
inf
ing
int
inu
irm
isp
jaa
jao
jaw
joi
juk
kaa
kao
kaz
kes
kio
koc
kot
kuk
laa
lad
laf
lan
las
lau
lec
leo
leq
lew
lim
lio
liu
loo
lub
lun
luv
maa
mad
mah
mam
mao
mas
mav
mee
mem
mes
mey
mid
min
mio
mit
moe
moo
mos
mum
mut
nab
nao
nav
nel
neq
nex
nih
niu
noe
nou
nue
oaf
obn
obu
oci
oke
olk
oos
orc
oro
osu
ove
paa
paf
pam
paq
pas
pau
pay
pem
pes
pfi
phl
pid
pio
ple
plo
pom
pos
pre
pro
pru
psi
pul
pum
pup
put
pys
qag
qub
rab
rah
ras
red
reh
reu
rhu
rin
roc
rot
rox
rue
ruh
ryd
saa
sai
san
sao
sav
sce
sci
scy
sem
sen
ses
shl
sih
sin
sio
smo
som
soy
sph
spj
sra
stg
sts
suc
sum
suv
szo
tab
tal
taq
tay
ten
teo
tes
tha
thl
tif
toc
tos
tre
trl
try
tuc
tus
uac
ume
uni
urd
vaa
vap
vas
vep
ves
vid
vip
vis
vob
vup
waa
wam
weg
who
wom
xac
yaa
yot
zaa
zem
zoo
|