- jawa, Lamellolucina jawa D.W. Taylor & E.A. Glover, 2002 - (LUCINIDAE)
- Jaworskiella, Genus Jaworskiella Leanza, 1942 (TRIGONIIDAE) (FOSSIL)
- jaworskii, Omphaloptycha jaworskii F. Haas, 1953 † - syn of: Oonia jaworskii (F. Haas, 1953 †) - (COELOSTYLINIDAE) (FOSSIL)
- jaworskii, Harpagodes jaworskii (C.S. Weaver, 1931 †) - (HARPAGODIDAE) (FOSSIL)
- jaworskii, Projuvavites jaworskii (Diener, 1893 †) - (JUVAVITIDAE) (FOSSIL)
- jaworskii, Myophoria jaworskii Steinmann, 1929 † - syn of: Myophorigonia jaworskii (Steinmann, 1929 †) - (MYOPHORIIDAE) (FOSSIL)
- jaworskii, Modiolus jaworskii J. Wanner & Knipscheer, 1951 † - (MYTILIDAE) (FOSSIL)
- jaworskii, Praeleptosphinctes jaworskii Westermann, 1956 † - (PERISPHINCTIDAE) (FOSSIL)
- jaworskii, Oonia jaworskii (F. Haas, 1953 †) - (PSEUDOMELANIIDAE) (FOSSIL)
- jaworskii, Myophorigonia jaworskii (Steinmann, 1929 †) - (TRIGONIIDAE) (FOSSIL)
- jaworskii, Tylostoma jaworskii C.S. Weaver, 1931 † - (TYLOSTOMATIDAE) (FOSSIL)
- jaya, Borsonia jaya A.V. Sysoev, 1997 - (BORSONIIDAE)
- jayana, Cancellaria jayana A.M. Keen, 1958 - (CANCELLARIIDAE)
- jayana, Glauconome jayana T. Prime, 1861 - (GLAUCONOMIDAE)
- jayana, Fadyenia lindsleyana jayana (C.B. Adams, 1849) - (HELICINIDAE)
- jayana, Oliva oliva jayana A.M.P. Ducros De St.Germain, 1857 - (OLIVIDAE)
- jayana, Lithasia jayana I. Lea, 1841 - (PLEUROCERIDAE)
- jayana, Tudora jayana (C.B. Adams, 1849) - (POMATIIDAE)
- jayana, Pilsbryspira jayana (C.B. Adams, 1850) - (PSEUDOMELATOMIDAE)
- jayana, Sagda jayana C.B. Adams, 1848 - (SAGDIDAE)
- jayana, Pleurotoma jayana C.B. Adams, 1850 - syn of: Pilsbryspira jayana (C.B. Adams, 1850) - (TURRIDAE)
- jayanum, Semele jayanum C.B. Adams, 1845 - syn of: Semele proficua (R. Pulteney, 1799) - (SEMELIDAE)
- jayanum, Sphaerium jayanum T. Prime, 1865 - syn of: Musculium lacustre (O.F. Müller, 1774) - (SPHAERIIDAE)
- jayanum nigrilabre, Pomatias jayanum nigrilabre C.B. Adams, 1850 - syn of: Tudora jayana (C.B. Adams, 1849) - (POMATIIDAE)
- jayanum rufilabre, Pomatias jayanum rufilabre C.B. Adams, 1851 - syn of: Tudora jayana (C.B. Adams, 1849) - (POMATIIDAE)
- Jayella, Genus Jayella T. Iredale & C.F. Laseron, 1957 (CAECIDAE)
- jayensis, Cyclas jayensis T. Prime, 1852 - syn of: Musculium lacustre (O.F. Müller, 1774) - (SPHAERIIDAE)
- jayensis, Elliptio jayensis I. Lea, 1838 - (UNIONIDAE)
- jayensis buckleyi, Elliptio jayensis buckleyi I. Lea, 1843 - (UNIONIDAE)
- jayeti, Neophlycticeras jayeti Breistroffer, 1936 † - syn of: Neophlycticeras brottianum (A.V.M.D. D'Orbigny, 1841 †) - (LYELLICERATIDAE) (FOSSIL)
- jayi, Chrysallis chrysalidiformis jayi P. Bartsch, 1932 - (BRADYBAENIDAE)
- jayi, Horologica jayi A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- jayi, Mitrella jayi K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- jayi, Gibberula jayi F. Boyer, 2014 - (CYSTISCIDAE)
- jayi, Coriocella jayi W. Wellens, 1995 - (VELUTINIDAE)
- jayi camorongana, Chrysallis jayi camorongana P. Bartsch, 1932 - syn of: Chrysallis chrysalidiformis camorongana P. Bartsch, 1932 - (BRADYBAENIDAE)
- jaylei, Xerosecta jaylei (A. Paladilhe, 1875) - (HYGROMIIDAE)
- jayorum, Vaceuchelus jayorum D.G. Herbert, 2012 - (CHILODONTIDAE)
- jazinkae, Diaplococeras jazinkae Golubic, 1998 † - (CERATITIDA (UNASSIGNED)) (FOSSIL)
- jazwinskii, Cautotriphora jazwinskii S. Kosuge, 1990 - (TRIPHORIDAE)
- jazzi, Bythiospeum jazzi D.G. Georgiev & P. Glöer, 2013 - (HYDROBIIDAE)
- jboehmi, Prieserites jboehmi (Kegel, 1916 †) - (ASPIDOCERATIDAE) (FOSSIL)
- Jdaidites, Genus Jdaidites Korn & al., 2007 (ACROCANITIDAE) (FOSSIL)
- JE, Acanthocardia JE J.E. Gray, 1851 - syn of: Acanthocardia aculeata (C. Linnaeus, 1758) - (CARDIIDAE)
- jeakingsi, Penion cuvierianus jeakingsi (A.W.B. Powell, 1947) - (BUCCINIDAE)
- jeanae, Bernaya jeanae F.P. Jousseaume 1884 † - (CYPRAEIDAE) (FOSSIL)
- jeanae, Gibberula jeanae M. Lussi & G. Smith, 1998 - (CYSTISCIDAE)
- jeanae, Dentalium jeanae K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- jeanae, Favartia jeanae H.W. Bertsch & D'Attilio, 1980 - (MURICIDAE)
- jeanae, Pseudosimnia jeanae (C.N. Cate, 1973) - (OVULIDAE)
- jeanae, Siphonaria jeanae B.W. Jenkins, 1984 - (SIPHONARIIDAE)
- jeanae, Tegula jeanae R.L. Squires & Saul, 2005 † - (TEGULIDAE) (FOSSIL)
- jeanae, Alaona jeanae (J.M. Healy & K.L. Lamprell, 1992) - (TELLINIDAE)
- jeanae, Abranda jeanae (J.M. Healy & K.L. Lamprell, 1992) - syn of: Alaona jeanae (J.M. Healy & K.L. Lamprell, 1992) - (TELLINIDAE)
- Jeanbesseiceras, Genus Jeanbesseiceras Guex & al., 2005 (TIROLITIDAE) (FOSSIL)
- jeancateae, Mitromica jeancateae (G.G. Sphon, 1969) - (COSTELLARIIDAE)
- jeanduvali, Pionoconus barthelemyi jeanduvali L. Bozzetti, 2010 - (CONIDAE)
- jeanettae, Alaba jeanettae P. Bartsch, 1910 - (LITIOPIDAE)
- jeani, Pachydiscus jeani (de Grossouvre 1894 †) - (DESMOCERATIDAE) (FOSSIL)
- jeani, Parvedentulina jeani K.C. Emberton, 2010 - (STREPTAXIDAE)
- jeaniae, Peristernia jeaniae (J.C. Melvill, 1911) - (FASCIOLARIIDAE)
- jeaniana, Zoila jeaniana (C.N. Cate, 1968) - (CYPRAEIDAE)
- jeaniana aurata, Zoila jeaniana aurata L. Raybaudi Massilia, 1979 - (CYPRAEIDAE)
- jeaniana sherylae, Zoila jeaniana sherylae L. Raybaudi Massilia, 1979 - (CYPRAEIDAE)
- jeaniana thalamega, Zoila jeaniana thalamega F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- jeanjacquesi, Pterygia jeanjacquesi L. Bozzetti, 2010 - (MITRIDAE)
- jeanmartini, Profundiconus jeanmartini G. Raybaudi Massilia, 1992 - (CONIDAE)
- jeanmartini, Nassarius jeanmartini H.H. Kool & H. Dekker, 2006 - (NASSARIIDAE)
- jeanmartinii, Dentimargo jeanmartinii T. Cossignani, 2008 - (MARGINELLIDAE)
- jeannae, Neorossia caroli jeannae K.N. Nesis, A.I. Arkhipkin, I.V. Nikitina & D.A.J. Middleton, 2001 - (SEPIOLIDAE)
- jeannae, Cyclostremiscus jeannae H.A. Pilsbry & J.T.L. McGinty, 1946 - (TORNIDAE)
- Jeannea, Subgenus Pisania (Jeannea) T. Iredale, 1912 (BUCCINIDAE)
- jeanneae, Calliostoma jeanneae W.J. Clench & H. Turner, 1960 - (CALLIOSTOMATIDAE)
- jeanneae, Latiaxis jeanneae D'Attilio & B.W. Myers, 1984 - syn of: Babelomurex spinosus (Y. Hirase, 1908) - (MURICIDAE)
- jeannereti, Subannularia jeannereti (L. Pfeiffer, 1861) - (POMATIIDAE)
- jeannereti, Thysanophora jeannereti (L. Pfeiffer, 1858) - (THYSANOPHORIDAE)
- jeannereti, Macroceramus jeannereti J. Gundlach in L. Pfeiffer, 1858 - (UROCOPTIDAE)
- Jeanneretia, Subgenus Cepolis (Jeanneretia) L. Pfeiffer, 1877 (CEPOLIDAE)
- jeanneti, Leukadiella jeanneti Renz, 1927 † - (HILDOCERATIDAE) (FOSSIL)
- jeanneti, Alloclionites jeanneti Tozer, 1994 † - (STEINMANNITIDAE) (FOSSIL)
- Jeanneticeras, Genus Jeanneticeras Collignon, 1959 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- jeannetti, Euaspidoceras jeannetti M. Collignon † - (ASPIDOCERATIDAE) (FOSSIL)
- jeannoti, Jeannoticeras jeannoti (A.V.M.D. D'Orbigny, 1841 †) - (OLCOSTEPHANIDAE) (FOSSIL)
- jeannoti, Sphaerium jeannoti N.A.J. Normand, 1854 - syn of: Musculium lacustre (O.F. Müller, 1774) - (SPHAERIIDAE)
- Jeannoticeras, Subgenus Olcostephanus (Jeannoticeras) Aguirre-Urreta & Rawson, 2001 (OLCOSTEPHANIDAE) (FOSSIL)
- jeanpaulkrepsi, Parthenina jeanpaulkrepsi A. Peñas, E. Rolán & F. Swinnen, 2014 - (PYRAMIDELLIDAE)
- jeanpierrevezzaroi, Pseudolatirus jeanpierrevezzaroi T. Cossignani, 2017 - (FASCIOLARIIDAE)
- Jeanrogericeras, Subgenus Spathites (Jeanrogericeras) Sornay, 1951 (ACANTHOCERATIDAE) (FOSSIL)
- Jeanthieuloyites, Genus Jeanthieuloyites Cooper , 1981 (HOLCODISCIDAE) (FOSSIL)
- Jeanvogericeras, Genus Jeanvogericeras (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- jeanyvesi, Fluviopupa jeanyvesi M. Haase, O. Gargominy & Fontaine, 2005 - (HYDROBIIDAE)
- jeareyae, Callochiton jeareyae B. Dell'Angelo & C. Mifsud, 1998 - (CALLOCHITONIDAE)
- jebusitica, Melanopsis jebusitica J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- jebusitica, Eopolita protensa jebusitica (J.R. Roth, 1855) - (OXYCHILIDAE)
- jeciliae, Vexillum jeciliae G.T. Poppe, S.P. Tagaro & R. Salisbury, 2009 - (COSTELLARIIDAE)
- jedoensis, Moerella jedoensis (C.E. Lischke, 1873) - (TELLINIDAE)
- jedoensis, Tellina jedoensis C.E. Lischke, 1873 - syn of: Moerella jedoensis (C.E. Lischke, 1873) - (TELLINIDAE)
- jedoensis, Leukoma jedoensis (C.E. Lischke, 1874) - (VENERIDAE)
- jedoensis, Venus jedoensis C.E. Lischke, 1874 - syn of: Leukoma jedoensis (C.E. Lischke, 1874) - (VENERIDAE)
- jedoensis, Protothaca jedoensis C.E. Lischke, 1874 - syn of: Leukoma jedoensis (C.E. Lischke, 1874) - (VENERIDAE)
- Jedria, Genus Jedria Yochelson , 1953 (NATICOPSIDAE) (FOSSIL)
- jeffabbasorum, Amphidromus jeffabbasorum Thach, 2016 - (CAMAENIDAE)
- jeffersonense, Paraendoceras jeffersonense (Ulrich & Foerste, 1935 †) - (PROTEROCAMEROCERATIDAE) (FOSSIL)
- jeffersonensis, Bellerophon jeffersonensis Weller, 1906 † - (BELLEROPHONTIDAE) (FOSSIL)
- jeffersonensis, Orthonychia jeffersonensis Weller, 1906 † - (ORTHONYCHIIDAE) (FOSSIL)
- jeffersoni, Teredina jeffersoni Kelly 1988 † - (TEREDINIDAE) (FOSSIL)
- jeffersonia, Strombus jeffersonia T.H. Van Hyning, 1945 - syn of: Lobatus costatus (J.F. Gmelin, 1791) - (STROMBIDAE)
- jeffersonia, Tricornis jeffersonia T.H. Van Hyning, 1945 - syn of: Lobatus costatus (J.F. Gmelin, 1791) - (STROMBIDAE)
- jeffersonius, Chesapecten jeffersonius (T. Say, 1824 †) - (PECTINIDAE) (FOSSIL)
- jeffersonius septenarius, Chesapecten jeffersonius septenarius (T. Say, 1824 †) - (PECTINIDAE) (FOSSIL)
- jefferyi, Gemmula jefferyi Tracey † - (TURRIDAE) (FOSSIL)
- jeffreyi, Calamiconus jeffreyi E.J. Petuch & D.M. Sargent, 2011 - syn of: Calamiconus quercinus (J. Lightfoot, 1786) - (CONIDAE)
- jeffreysbayensis, Costoanachis jeffreysbayensis Lussi, 2017 - (COLUMBELLIDAE)
- jeffreysi, Basterotia jeffreysi (R. Winckworth, 1930) - (BASTEROTIIDAE)
- jeffreysi, Cerithiopsis jeffreysi R.B. Watson, 1885 - (CERITHIOPSIDAE)
- jeffreysi, Cuspidaria jeffreysi (W.H. Dall, 1881) - (CUSPIDARIIDAE)
- jeffreysi, Cylichna jeffreysi H.C. Weinkauff, 1866 - syn of: Atys jeffreysi (H.C. Weinkauff, 1866) - (CYLICHNIDAE)
- jeffreysi, Drillia jeffreysi E.A. Smith, 1875 - syn of: Inquisitor jeffreysii (E.A. Smith, 1875) - (DRILLIIDAE)
- jeffreysi, Cylindriscala jeffreysi (G.W. Tryon, 1887) - (EPITONIIDAE)
- jeffreysi, Cadulus jeffreysi (T.A. de M. Monterosato, 1875) - (GADILIDAE)
- jeffreysi, Atys jeffreysi (H.C. Weinkauff, 1866) - (HAMINOEIDAE)
- jeffreysi, Atys jeffreysi G.B. Brocchi, 1814 - syn of: Atys jeffreysi (H.C. Weinkauff, 1866) - (HAMINOEIDAE)
- jeffreysi, Atys jeffreysi Auct. non H.C. Weinkauff - syn of: Atys macandrewi E.A. Smith, 1872 - (HAMINOEIDAE)
- jeffreysi, Saxicavella jeffreysi R. Winckworth, 1930 - (HIATELLIDAE)
- jeffreysi, Limatula jeffreysi (P. Fischer, 1882) - (LIMIDAE)
- jeffreysi, Lima jeffreysi J.G. Jeffreys, 1880 - syn of: Limatula jeffreysi (P. Fischer, 1882) - (LIMIDAE)
- jeffreysi, Cithna jeffreysi (P. Dautzenberg, 1889) - syn of: Benthonella tenella (J.G. Jeffreys, 1869) - (LIOTIIDAE)
- jeffreysi, Tuba jeffreysi (W.H. Dall, 1889) - (MATHILDIDAE)
- jeffreysi, Coralliophila jeffreysi E.A. Smith, 1879 - (MURICIDAE)
- jeffreysi, Lamellinucula jeffreysi (L.M.D. Bellardi, 1875 †) - (NUCULIDAE) (FOSSIL)
- jeffreysi, Chlamys jeffreysi A. De Gregorio, 1884 - syn of: Austrochlamys natans (R.A. Philippi, 1845) - (PECTINIDAE)
- jeffreysi, Propeamussium jeffreysi E.A. Smith, 1885 - syn of: Propeamussium jeffreysii (E.A. Smith, 1885) - (PROPEAMUSSIIDAE)
- jeffreysi, Pteria jeffreysi R.W. Dunker, 1872 - syn of: Pteria hirundo (C. Linnaeus, 1758) - (PTERIIDAE)
- jeffreysi, Turbonilla jeffreysi F.C.L. Koch & Wiechmann, 1872 † - (PYRAMIDELLIDAE) (FOSSIL)
- jeffreysi, Chrysallida jeffreysi M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 - syn of: Chrysallida intermixta (T.A. de M. Monterosato, 1884) - (PYRAMIDELLIDAE)
- jeffreysi, Pleurotomella jeffreysi A.E. Verrill, 1885 - syn of: Theta chariessa (R.B. Watson, 1881) - (RAPHITOMIDAE)
- jeffreysi, Alvania jeffreysi (E. Waller, 1864) - (RISSOIDAE)
- jeffreysi, Benthonella jeffreysi P. Dautzenberg, 1889 - syn of: Benthonella tenella (J.G. Jeffreys, 1869) - (RISSOIDAE)
- jeffreysi, Pristigloma jeffreysi E.A. Smith, 1885 - syn of: Pristigloma nitens (J.G. Jeffreys, 1876) - (SAREPTIDAE)
- jeffreysi, Vetulonia jeffreysi W.H. Dall, 1913 - syn of: Vetulonia paucivaricosa (P. Dautzenberg, 1889) - (SEGUENZIOIDEA (unassigned))
- jeffreysi, Leiostracus jeffreysi L. Pfeiffer, 1852 - (SIMPULOPSIDAE)
- jeffreysi, Moerella jeffreysi (C.W. Johnson, 1932) - (TELLINIDAE)
- jeffreysi, Cinguloterebra jeffreysi E.A. Smith, 1873, 1879 - syn of: Cinguloterebra adamsii (E.A. Smith, 1873) - (TEREBRIDAE)
- jeffreysi, Terebra jeffreysi E.A. Smith, 1873, 1879 - syn of: Cinguloterebra adamsii (E.A. Smith, 1873) - (TEREBRIDAE)
- jeffreysi, Policordia jeffreysi (H.B.S. Friele, 1879) - (VERTICORDIIDAE)
- jeffreysi, Bellamya jeffreysi (G.R. von Frauenfeld, 1865) - (VIVIPARIDAE)
- jeffreysi, Yoldiella jeffreysi (J.G. Hidalgo, 1877) - (YOLDIIDAE)
- jeffreysi, Yoldia jeffreysi A.E. Verrill, 1884 - syn of: Yoldiella curta A.E. Verrill & K.J. Bush, 1898 - (YOLDIIDAE)
- jeffreysi clathrella, Alvania jeffreysi clathrella L. Seguenza, 1903 - syn of: Alvania clathrella (L. Seguenza, 1903) - (RISSOIDAE)
- jeffreysi flexicosta, Odostomia jeffreysi flexicosta M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883 - syn of: Chrysallida intermixta (T.A. de M. Monterosato, 1884) - (PYRAMIDELLIDAE)
- jeffreysi hiradoensis, Coralliophila jeffreysi hiradoensis H.A. Pilsbry, 1904 - syn of: Coralliophila jeffreysi E.A. Smith, 1879 - (MURICIDAE)
- jeffreysi quadrangularis, Neilonella jeffreysi quadrangularis W.H. Dall, 1881 - syn of: Neilonella quadrangularis (W.H. Dall, 1881) - (NEILONELLIDAE)
- jeffreysi tumidula, Cadulus jeffreysi tumidula J.G. Jeffreys, 1883 - syn of: Cadulus jeffreysi (T.A. de M. Monterosato, 1875) - (GADILIDAE)
- Jeffreysia, syn of: Genus Rissoella J.E. Gray, 1847 (RISSOELLIDAE)
- jeffreysiana, Neptunia jeffreysiana P. Fischer, 1868 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (BUCCINIDAE)
- jeffreysiana, Sticteulima jeffreysiana (Š. Brusina, 1869) - (EULIMIDAE)
- jeffreysiana, Vasconiella jeffreysiana (P. Fischer in L. de Folin & J.P.L. Périer, 1873) - (GALEOMMATIDAE)
- jeffreysiana, Fadyenia jeffreysiana E. Chitty, 1857 - (HELICINIDAE)
- jeffreysiana, Limatula jeffreysiana (R. Tate, 1885 †) - (LIMIDAE) (FOSSIL)
- jeffreysiana, Lima jeffreysiana R. Tate, 1885 † - syn of: Limatula jeffreysiana (R. Tate, 1885 †) - (LIMIDAE) (FOSSIL)
- jeffreysiana, Trabecula jeffreysiana (T.A. de M. Monterosato, 1884) - (PYRAMIDELLIDAE)
- jeffreysiana, Odostomella jeffreysiana T.A. de M. Monterosato, 1884 - syn of: Trabecula jeffreysiana (T.A. de M. Monterosato, 1884) - (PYRAMIDELLIDAE)
- jeffreysiana, Delos jeffreysiana (L. Pfeiffer, 1853) - (RHYTIDIDAE)
- jeffreysiana bicolor, Neptunia jeffreysiana bicolor É.A.A. Locard, 1896 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (BUCCINIDAE)
- jeffreysiana elongata, Neptunia jeffreysiana elongata É.A.A. Locard, 1896 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (BUCCINIDAE)
- jeffreysiana iredalei, Limatula jeffreysiana iredalei C.A. Fleming, 1978 - syn of: Limatula iredalei (C.A. Fleming, 1978) - (LIMIDAE)
- jeffreysiana major, Neptunia jeffreysiana major É.A.A. Locard, 1896 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (BUCCINIDAE)
- jeffreysiana minor, Neptunia jeffreysiana minor É.A.A. Locard, 1896 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (BUCCINIDAE)
- jeffreysiana undata, Trabecula jeffreysiana undata (R.B. Watson, 1897) - (PYRAMIDELLIDAE)
- jeffreysiana ventricosa, Neptunia jeffreysiana ventricosa É.A.A. Locard, 1896 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (BUCCINIDAE)
- jeffreysianus, Heliacus jeffreysianus (N. Tiberi, 1867) - (ARCHITECTONICIDAE)
- jeffreysianus, Colus jeffreysianus (P. Fischer, 1868) - (BUCCINIDAE)
- jeffreysianus, Fusus jeffreysianus P. Fischer, 1868 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (FASCIOLARIIDAE)
- jeffreysianus, Unio jeffreysianus I. Lea, 1871 - syn of: Velesunio ambiguus (R.A. Philippi, 1847) - (UNIONIDAE)
- jeffreysianus elongata, Colus jeffreysianus elongata (É.A.A. Locard, 1896) - (BUCCINIDAE)
- jeffreysianus howsei, Colus jeffreysianus howsei (W.B. Marshall, 1902) - (BUCCINIDAE)
- jeffreysianus major, Colus jeffreysianus major (É.A.A. Locard, 1896) - (BUCCINIDAE)
- jeffreysianus minor, Colus jeffreysianus minor P. Fischer, 1868 - (BUCCINIDAE)
- jeffreysianus pupoides, Colus jeffreysianus pupoides (É.A.A. Locard, 1897) - (BUCCINIDAE)
- jeffreysianus torrus, Colus jeffreysianus torrus (É.A.A. Locard, 1897) - (BUCCINIDAE)
- jeffreysianus ventricosa, Colus jeffreysianus ventricosa (É.A.A. Locard, 1896) - (BUCCINIDAE)
- Jeffreysiella, Subgenus Rissoella (Jeffreysiella) K.H.J. Thiele, 1912 (RISSOELLIDAE)
- jeffreysiensis, Rissoina jeffreysiensis J.R. le B. Tomlin, 1931 - syn of: Zebina cylindrica (K.H.J. Thiele, 1925) - (RISSOINIDAE)
- jeffreysii, Aclis jeffreysii G.W. Tryon, 1887 - syn of: Graphis striata (J.G. Jeffreys, 1884) - (ACLIDIDAE)
- jeffreysii, Buccinum jeffreysii E.A. Smith, 1875 - (BUCCINIDAE)
- jeffreysii, Dentalium jeffreysii Gardner † - (DENTALIIDAE) (FOSSIL)
- jeffreysii, Melanella jeffreysii (G.W. Tryon, 1886) - (EULIMIDAE)
- jeffreysii, Limacina jeffreysii E. Forbes & S.C.T. Hanley, 1849 - syn of: Limacina retroversa (J. Fleming, 1823) - (LIMACINIDAE)
- jeffreysii, Lyonsiella jeffreysii E.A. Smith, 1885 - syn of: Lyonsiella smidti (H.B.S. Friele, 1886) - (LYONSIELLIDAE)
- jeffreysii, Myoforceps jeffreysii R.W. Dunker, 1880 - syn of: Lithophaga aristata L.W. Dillwyn, 1817 - (MYTILIDAE)
- jeffreysii, Propeamussium jeffreysii (E.A. Smith, 1885) - (PROPEAMUSSIIDAE)
- jeffreysii, Inquisitor jeffreysii (E.A. Smith, 1875) - (PSEUDOMELATOMIDAE)
- jeffreysii, Funa jeffreysii E.A. Smith, 1875 - syn of: Inquisitor jeffreysii (E.A. Smith, 1875) - (PSEUDOMELATOMIDAE)
- jeffreysii, Pyrgiscus jeffreysii (J.G. Jeffreys, 1848) - (PYRAMIDELLIDAE)
- jeffreysii, Chemnitzia jeffreysii E. Forbes & S.C.T. Hanley, 1850 - syn of: Pyrgiscus jeffreysii (J.G. Jeffreys, 1848) - (PYRAMIDELLIDAE)
- jeffreysii, Speoides jeffreysii A.E. Verrill, 1885 - syn of: Theta chariessa (R.B. Watson, 1881) - (RAPHITOMIDAE)
- jeffreysii, Skeneoides jeffreysii (T.A. de M. Monterosato, 1872) - (SKENEIDAE)
- jeffreysii, Circulus jeffreysii T.A. de M. Monterosato, 1872 - syn of: Skeneoides jeffreysii (T.A. de M. Monterosato, 1872) - (TORNIDAE)
- jeffreysii, Pleurotoma jeffreysii A.E. Verrill, 1885 - syn of: Theta chariessa (R.B. Watson, 1881) - (TURRIDAE)
- JEFFREYSIIDAE - syn of Family: RISSOELLIDAE
- Jeffreysina, syn of: Genus Rissoella J.E. Gray, 1847 (RISSOELLIDAE)
- Jeffreysiopsis, syn of: Genus Rissoella J.E. Gray, 1847 (RISSOELLIDAE)
- Jeffreysomya, Genus Jeffreysomya H. Nordsieck, 1969 (CUSPIDARIIDAE)
- jefreysii, Terebra jefreysii E.A. Smith, 1880 - syn of: Cinguloterebra mariesi (E.A. Smith, 1880) - (TEREBRIDAE)
- jehennei, Recluzia jehennei S.A.A. Petit De La Saussaye, 1853 - (JANTHINIDAE)
- jejuna, Rhachis jejuna A.C. van Bruggen, 1966 - (CERASTUIDAE)
- jejuna, Praticolella jejuna (T. Say, 1821) - (POLYGYRIDAE)
- jejunus, Unio jejunus I. Lea, 1838 - syn of: Unio abbevillensis I. Lea, 1857 - (UNIONIDAE)
- Jekeliella, Genus Jekeliella Bandel, 2010 (HYDROBIIDAE) (FOSSIL)
- jekeliusi, Cerithium jekeliusi Svagrovsky, 1971 † - (CERITHIIDAE) (FOSSIL)
- jekeliusi, Theodoxus jekeliusi Jurišic-Polšak, 1979 † - (NERITIDAE) (FOSSIL)
- jekuna, Lamprocystis hahajimana jekuna H.A. Pilsbry & Y. Hirase, 1905 - (EUCONULIDAE)
- jekylli, Entodina jekylli F.C. Baker, 1914 - (SCOLODONTIDAE)
- Jeletzkiella, Genus Jeletzkiella Jones & Plafker, 1977 (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- jeletzkyi, Heteroceras jeletzkyi C.E. Murphy, 1975 † - (HETEROCERATIDAE) (FOSSIL)
- jeletzkyi, Kossmaticeras jeletzkyi M. Collignon, 1965 † - (KOSSMATICERATIDAE) (FOSSIL)
- jeletzkyi, Vaugonia jeletzkyi Poulton, 1977 † - (MYOPHORELLIDAE) (FOSSIL)
- jeletzkyi, Teudopsis jeletzkyi Riccardi, 2005 † - (TEUDOPSIDAE) (FOSSIL)
- Jeletzkytes, Genus Jeletzkytes Riccardi , 1983 (SCAPHITIDAE) (FOSSIL)
- Jeletzkyteuthis, Genus Jeletzkyteuthis Doyle, 1990 (TEUTHIDA (UNASSIGNED)) (FOSSIL)
- jelevi, Leptoceras jelevi (Nikolov, 1966 †) - (PROTANCYLOCERATIDAE) (FOSSIL)
- Jelksia, syn of: Genus Borysthenia W.A. Lindholm, 1913 (VALVATIDAE)
- jelksii, Polystira jelksii (J.C.H. Crosse, 1865) - syn of: Polystira jelskii (J.C.H. Crosse, 1865) - (TURRIDAE)
- jelli, Dentalium jelli K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- jelli, Pauropegma jelli (Pojeta & Runnegar, 1976 †) - (ISCHYRINIIDAE) (FOSSIL)
- jelli, Sthenodonta jelli Pojeta & Gilbert-Tomlinson, 1977 † - (NUCULARCIDAE) (FOSSIL)
- Jellia, syn of: Genus Pojetaia Jell, 1980 (NUCULIDA (UNASSIGNED)) (FOSSIL)
- Jellinekites, Genus Jellinekites Diener, 1923 (PARATHISBITIDAE) (FOSSIL)
- jelskii, Phrygica jelskii H. Nordsieck, 1994 - (CLAUSILIIDAE)
- jelskii, Incania jelskii (W. Polinski, 1921) - (CLAUSILIIDAE)
- jelskii, Scholvienia jelskii (W. . Lubomirski, 1879) - (MEGASPIRIDAE)
- jelskii, Polystira jelskii (J.C.H. Crosse, 1865) - (TURRIDAE)
- jelskii, Borysthenia jelskii (J.C.H. Crosse, 1863) - (VALVATIDAE)
- jemjemensis, Macroptychia jemjemensis (M. Connolly, 1928) - (CLAUSILIIDAE)
- jemmysensis, Dentherona jemmysensis (C.J. Gabriel, 1947) - (CHAROPIDAE)
- Jenacus, syn of: Genus Crepidula J.B.P.A. Lamarck, 1799 (CALYPTRAEIDAE)
- jenisseae, Lopatinia jenisseae (Lahusen, 1883 †) - (CUCULLAEIDAE) (FOSSIL)
- jenisseensis, Oenopota pyramidalis jenisseensis W. Leche, 1878 - (MANGELIIDAE)
- jenissejensis, Acyrena jenissejensis Lebedev, 1958 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- jenkiana, Emmericia jenkiana Š. Brusina, 1874 † - syn of: Choerina jenkiana (Š. Brusina, 1874 †) - (AMNICOLIDAE) (FOSSIL)
- jenkiana, Choerina jenkiana (Š. Brusina, 1874 †) - (RISSOOIDEA (UNASSIGNED)) (FOSSIL)
- jenkinsi, Fusiaphera jenkinsi P.A. Maxwell, 1992 † - (CANCELLARIIDAE) (FOSSIL)
- jenkinsi, Cardita jenkinsi Smith, 1927 † - (CARDITIDAE) (FOSSIL)
- jenkinsi, Cerithium jenkinsi Martin, 1879 † - syn of: Cerithideopsilla jenkinsi (Martin, 1879 †) - (CERITHIIDAE) (FOSSIL)
- jenkinsi, Chelyconus jenkinsi Martin, 1879 † - (CONIDAE) (FOSSIL)
- jenkinsi, Paludestrina jenkinsi E.A. Smith, 1889 - syn of: Potamopyrgus antipodarum (J.E. Gray, 1843) - (HYDROBIIDAE)
- jenkinsi, Mitra jenkinsi Martin, 1879 † - (MITRIDAE) (FOSSIL)
- jenkinsi, Brachidontes jenkinsi H.B. Preston, 1910 - syn of: Brachidontes striatulus (S.C.T. Hanley, 1843) - (MYTILIDAE)
- jenkinsi, Thurmanniceras jenkinsi Anderson, 1938 † - (NEOCOMITIDAE) (FOSSIL)
- jenkinsi, Agaronia gibbosa jenkinsi Martin, 1879 - (OLIVIDAE)
- jenkinsi, Cochlespiropsis jenkinsi R.L. Squires, 2001 † - (PALADMETIDAE) (FOSSIL)
- jenkinsi, Cerithideopsilla jenkinsi (Martin, 1879 †) - (POTAMIDIDAE) (FOSSIL)
- jenkinsi, Potamopyrgus jenkinsi E.A. Smith, 1889 - syn of: Potamopyrgus antipodarum (J.E. Gray, 1843) - (TATEIDAE)
- jenkinsi, Triplostephanus jenkinsi (Martin, 1879 †) - (TEREBRIDAE) (FOSSIL)
- jenkinsi aculeata, Paludestrina jenkinsi aculeata H. Overton, 1905 - syn of: Potamopyrgus antipodarum (J.E. Gray, 1843) - (HYDROBIIDAE)
- jenkinsianus, Lamellidens jenkinsianus (W.H. Benson, 1862) - (UNIONIDAE)
- jenkinsoni, Modiolus jenkinsoni (McCoy) † - (MYTILIDAE) (FOSSIL)
- jenksi, Paranorites jenksi Brayard & Bucher, 2008 † - (ARCTOCERATIDAE) (FOSSIL)
- jenksi, Omphaloptycha jenksi F. Haas, 1953 † - (COELOSTYLINIDAE) (FOSSIL)
- jenksi, Coilopoceras jenksi Benavides-Caceres, 1956 † - (COILOPOCERATIDAE) (FOSSIL)
- jenksi, Enteropleura jenksi Hopkin & McRoberts, 2005 † - (HALOBIIDAE) (FOSSIL)
- jenksii, Ocenebra jenksii F.C. Baker, 1889 - syn of: Haustrum vinosum (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- jenksii, Planorbula jenksii P.P. Carpenter - (PLANORBIDAE)
- Jenksites, Genus Jenksites Monnet & Bucher, 2005 (CERATITIDAE) (FOSSIL)
- jenneri, Amalda jenneri R.N. Kilburn, 1977 - (ANCILLARIIDAE)
- jenneri, Benthoclionella jenneri R.N. Kilburn, 1974 - (CLAVATULIDAE)
- Jenneria, Genus Jenneria F.P. Jousseaume, 1884 (PEDICULARIIDAE)
- Jenneriini, syn of: Genus Pseudocypraea F.A. Schilder, 1927 (PEDICULARIIDAE)
- jennessi, Physa jennessi (W.H. Dall, 1919) - (PHYSIDAE)
- jennessi, Beringophysa jennessi W.H. Dall, 1919 - syn of: Physa jennessi (W.H. Dall, 1919) - (PHYSIDAE)
- jennessi skinneri, Physa jennessi skinneri D.W. Taylor, 1954 - syn of: Physa skinneri D.W. Taylor, 1954 - (PHYSIDAE)
- jenneyi, Strophiops jenneyi C.J. Maynard & W.F. Clapp, 1921 - syn of: Cerion glans H.C. Küster, 1844 - (CERIONIDAE)
- jenneyi, Exiteloceras jenneyi (R.P. Whitfield, 1877 †) - (NOSTOCERATIDAE) (FOSSIL)
- jenneyi camacki, Exiteloceras jenneyi camacki J. Kennedy, Landman, Cobban & P.H. Scott, 2000 † - (NOSTOCERATIDAE) (FOSSIL)
- jenniernestae, Distorsio jenniernestae W.K. Emerson & B.J. Piech, 1992 - (PERSONIDAE)
- jenniferae, Cavellia jenniferae B.A. Marshall & T.H. Worthy, 2017 † - (CHAROPIDAE) (FOSSIL)
- jenniferae, Siphocypraea jenniferae E.J. Petuch, 1998 † - (CYPRAEIDAE) (FOSSIL)
- jenniferae, Oliva jenniferae E.J. Petuch, 1994 † - (OLIVIDAE) (FOSSIL)
- jenniferae, Cerithidea jenniferae E.J. Petuch, 1994 † - (POTAMIDIDAE) (FOSSIL)
- jenniferae, Strombus jenniferae E.J. Petuch & M. Drolshagen, 2011 † - (STROMBIDAE) (FOSSIL)
- jenningsi, Pisania jenningsi (W.O. Cernohorsky, 1966) - (BUCCINIDAE)
- jenningsi, Cinguloterebra jenningsi (R.D. Burch, 1965) - (TEREBRIDAE)
- jenningsia, Staphylaea jenningsia G. Perry, 1811 - syn of: Staphylaea limacina (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- jennyi, Aviculopecten jennyi Girty, 1910 † - (AVICULOPECTINIDAE) (FOSSIL)
- jenphillipsi, Gibberula jenphillipsi T. McCleery, 2008 - (CYSTISCIDAE)
- Jenseneria, Genus Jenseneria Ortea & Moro, 2015 (JENSENERIIDAE)
- JENSENERIIDAE Ortea & Moro, 2015 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-SACOGLOSSA [Order]-PLAKOBRANCHACEA [Suborder]-PLAKOBRANCHOIDEA [S)
- jenseni, Astarte jenseni G. Høpner Petersen, 2001 - syn of: Astarte borealis (H.C.F. Schumacher, 1817) - (ASTARTIDAE)
- jenseni, Baculites jenseni Cobban, 1962 † - (BACULITIDAE) (FOSSIL)
- jenseni, Oliva bifasciata jenseni E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- jensi, Oospira jensi H. Nordsieck, 2016 - (CLAUSILIIDAE)
- jensi, Boettgeria jensi E. Neubert & K. Groh, 1998 - (CLAUSILIIDAE)
- jensi, Arinia jensi W.J.M. Maassen, 2001 - (DIPLOMMATINIDAE)
- jensostergaardi, Palmadusta jensostergaardi W.M. Ingram, 1939 - syn of: Palmadusta saulae (J.S. Gaskoin, 1843) - (CYPRAEIDAE)
- jentteriana, Pseudobaicalia jentteriana (W.A. Lindholm, 1909) - (AMNICOLIDAE)
- jenyai, Pusia jenyai A.E. Fedosov, M. Herrmann & P. Bouchet, 2017 - (COSTELLARIIDAE)
- jenynsi, Macrochlamys jenynsi O. Böttger - (ARIOPHANTIDAE)
- jenynsi, Fusus jenynsi Moore † - (FASCIOLARIIDAE) (FOSSIL)
- jenynsii, Pisidium jenynsii W. Macgillivray, 1843 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- Jeppssonoceras, Genus Jeppssonoceras Stridsberg , 1985 (TRIMEROCERATIDAE) (FOSSIL)
- jeranense, Prionoceras jeranense W. Korn, Bockwinkel & Ebbighausen, 2014 † - (PRIONOCERATIDAE) (FOSSIL)
- jeranensis, Jerania jeranensis D. Korn & al., 2010 † - (TEMERTASSETIIDAE) (FOSSIL)
- Jerania, Genus Jerania Korn & al., 2010 (TEMERTASSETIIDAE) (FOSSIL)
- jerbaensis, Mangelia jerbaensis G. Della Bella & G. Spada in C. Chirli, 1997 - (MANGELIIDAE)
- jerdoni, Paracerastus jerdoni (L.A. Reeve, 1848) - (CERASTUIDAE)
- jerdoni, Cyclophorus jerdoni (W.H. Benson, 1851) - (CYCLOPHORIDAE)
- jerdoni, Periglypta jerdoni (Hislop, 1859 †) - (VENERIDAE) (FOSSIL)
- jerdoni redfieldi, Paracerastus jerdoni redfieldi (L. Pfeiffer) - (CERASTUIDAE)
- Jerdonia, Subgenus Cyathopoma (Jerdonia) W.T. Blanford, 1861 (CYCLOPHORIDAE)
- jeremiahi, Walvisteuthis jeremiahi M. Vecchione, A. Sosnowski & A.T. Young, 2015 - (ONYCHOTEUTHIDAE)
- jeremiensis, Poeniella jeremiensis H.A. Pilsbry - (HELICINIDAE)
- jeremyi, Conus jeremyi E.J. Petuch, 1994 † - (CONIDAE) (FOSSIL)
- jeremyi, Oliva jeremyi E.J. Petuch, 1994 † - (OLIVIDAE) (FOSSIL)
- jeresae, Suboestophora jeresae (A. Ortiz De Zárate, 1962) - (HYGROMIIDAE)
- jeresae, oestophora jeresae A. Ortiz De Zárate, 1962 - syn of: Suboestophora jeresae (A. Ortiz De Zárate, 1962) - (TRISSEXODONTIDAE)
- jeresae stauropolitana, Suboestophora jeresae stauropolitana A. Ortiz De Zárate, 1962 - (HYGROMIIDAE)
- Jerinella, Genus Jerinella Pejovic, 1988 (RADIOLITIDAE) (FOSSIL)
- Jerjesia, Genus Jerjesia Alencαster, 1986 (POLYCONITIDAE) (FOSSIL)
- jeromi, Sitala jeromi E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1994 - (ARIOPHANTIDAE)
- Jerrybuccinum, Genus Jerrybuccinum Y.I. Kantor & G. Pastorino, 2009 (BUCCINIDAE)
- jerseyense, Loxonema jerseyense Weller, 1903 † - syn of: Pragozyga jerseyense (Weller, 1903 †) - (LOXONEMATIDAE) (FOSSIL)
- jerseyense, Pragozyga jerseyense (Weller, 1903 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- jervisensis, Pisinna jervisensis C.F. Laseron, 1950 - syn of: Pisinna frauenfeldi (G.R. von Frauenfeld, 1867) - (ANABATHRIDAE)
- jervisensis, Naesiotus jervisensis W.H. Dall, 1917 - (BULIMULIDAE)
- jervisensis, Badistes jervisensis (J.R.C. Quoy & J.P. Gaimard, 1832) - (CAMAENIDAE)
- jervisensis, Helix jervisensis J.R.C. Quoy & J.P. Gaimard, 1832 - (HELICIDAE)
- jervisensis, Montacuta jervisensis C.F. Laseron, 1956 - (MONTACUTIDAE)
- jervisensis, Microvoluta jervisensis C.F. Laseron, 1951 - syn of: Microvoluta royana T. Iredale, 1924 - (VOLUTOMITRIDAE)
- jeschaui, Mengoana jeschaui (W. Kobelt, 1878) - (HYGROMIIDAE)
- jeskalovicensis, Cecilioides jeskalovicensis A.J. Wagner, 1914 - (FERUSSACIIDAE)
- Jesonia, syn of: Genus Cardita J.G. Bruguiθre, 1792 (CARDITIDAE)
- Jesonia, syn of: Genus Cardita J.G. Bruguiθre, 1792 (CARDITIDAE)
- jessei, Rectartemon jessei (H.B. Baker, 1925) - (STREPTAXIDAE)
- jesseni, Anodonta jesseni H.A. Schlesch, 1926 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- jessica, Fectola jessica (F.W. Hutton, 1883) - (CHAROPIDAE)
- jessica, Charopa jessica F.W. Hutton, 1883 - syn of: Fectola jessica (F.W. Hutton, 1883) - (CHAROPIDAE)
- jessica, Perrona jessica J.C. Melvill, 1923 - (CLAVATULIDAE)
- jessica, Anguispira jessica Kutchka, 1938 - (DISCIDAE)
- jessicae, Radiolucina jessicae E.A.R. Garfinkle, 2012 - (LUCINIDAE)
- jessicae, Prunum jessicae E.J. Petuch, 1997 † - (MARGINELLIDAE) (FOSSIL)
- jessicae, Chicoreus jessicae R. Houart, 2008 - (MURICIDAE)
- jessicae, Lyria mallicki jessicae P. Bail & G.T. Poppe, 2004 - (VOLUTIDAE)
- jessieae, Aganides jessieae Miller & Gurley, 1896 † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- jessieana, Semotrachia jessieana G.A. Solem, 1993 - (CAMAENIDAE)
- jessoense, Buccinum jessoense L. von Schrenck, 1863 - syn of: Retifusus jessoensis (L. von Schrenck, 1863) - (BUCCINIDAE)
- jessoensis, Retifusus jessoensis (L. von Schrenck, 1863) - (BUCCINIDAE)
- jessoensis, Colus jessoensis L. von Schrenck, 1863 - syn of: Retifusus jessoensis (L. von Schrenck, 1863) - (BUCCINIDAE)
- jessoensis, Obesotoma jessoensis E.A. Smith, 1875 - syn of: Obesotoma iessoensis (E.A. Smith, 1875) - (MANGELIIDAE)
- jessoensis, Cantharidus jessoensis L. von Schrenck, 1863 - syn of: Cantharidus callichrous jessoensis (L. von Schrenck, 1863) - (TROCHIDAE)
- jessoensis, Cantharidus callichrous jessoensis (L. von Schrenck, 1863) - (TROCHIDAE)
- jessupae, Trigonoarca jessupae C.J. Maury, 1930 † - (CUCULLAEIDAE) (FOSSIL)
- jesswiseae, Jardinella jesswiseae W.F. Ponder & K.B. Clark, 1990 - (HYDROBIIDAE)
- jesuitarum, Agaronia jesuitarum A. López, A. Montoya & A. López, 1988 - (OLIVIDAE)
- jesuitica, Macrophaedusella jesuitica H. Nordsieck, 2001 - (CLAUSILIIDAE)
- jesusramirezi, Tenorioconus mappa jesusramirezi (T. Cossignani, 2010) - (CONIDAE)
- jetschini, Obscurella jetschini A.J. Wagner, 1897 - syn of: Cochlostoma obscurum (J.P.R. Draparnaud, 1801) - (COCHLOSTOMATIDAE)
- jetschini, Helix jetschini J. Ulicný - syn of: Arianta arbustorum (C. Linnaeus, 1758) - (HELICIDAE)
- jetschini, Illyriobanatica jetschini M. von Kimakowicz, 1883 - (ORCULIDAE)
- jetschini, Szuchumiella jetschini (A.J. Wagner, 1895) - (OXYCHILIDAE)
- jetschini, Vitrea jetschini (M. von Kimakowicz, 1890) - (PRISTILOMATIDAE)
- jetschini, Retinella jetschini M. von Kimakowicz, 1890 - (ZONITIDAE)
- Jetwoodsia, Genus Jetwoodsia Ludbrook, 1971 (CERITHIIDAE) (FOSSIL)
- jeurensis, Bouryia jeurensis (Bezançon, 1870 †) - (POMATIOPSIDAE) (FOSSIL)
- jeverensis, Bulla jeverensis J.S. Schröter, 1804 - syn of: Retusa truncatula (J.G. Bruguière, 1792) - (BULLIDAE)
- jewelli, Venericor jewelli (Gardner, 1935 †) - (CARDITIDAE) (FOSSIL)
- jewetti, Fremontoceras jewetti Flower, 1947 † - (APSIDOCERATIDAE) (FOSSIL)
- jewetti, Plesiocystiscus jewetti (P.P. Carpenter, 1857) - (CYSTISCIDAE)
- jewetti, Pyrgocythara jewetti R.E.C. Stearns, 1875 - syn of: Pyrgocythara plicosa (Adams, 1850) - (MANGELIIDAE)
- jewetti, Turbonilla jewetti W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- jewetti, Turritella jewetti P.P. Carpenter, 1864 - (TURRITELLIDAE)
- jewetti nanella, Plesiocystiscus jewetti nanella Unknown Author - (CYSTISCIDAE)
- jewettiana, Anodonta jewettiana I. Lea, 1868 - syn of: Anodontites trapesialis (J.B.P.A. Lamarck, 1818) - (UNIONIDAE)
- jewettii, Plesiocystiscus jewettii P.P. Carpenter, 1857 - syn of: Plesiocystiscus jewetti (P.P. Carpenter, 1857) - (CYSTISCIDAE)
- jexi, Cephalaspis jexi Traquair, 1893 † - (CEPHALASPIDAE) (FOSSIL)
- jezleri, Xenophora solarioides jezleri Cox, 1948 † - (XENOPHORIDAE) (FOSSIL)
- Jhabotrigonia, Genus Jhabotrigonia Badve & Nayak, 1984 (MYOPHORELLIDAE) (FOSSIL)
- jhamuniaensis, Bakulia jhamuniaensis Silantiev, Chandra & Urazaeva, 2015 † - (SENDERZONIELLIDAE) (FOSSIL)
- jhariaensis, Gangamya jhariaensis Silantiev, Chandra & Urazaeva, 2015 † - (PROKOPIEVSKIIDAE) (FOSSIL)
- Jheringella, syn of: Genus Haasica E. Strand, 1932 (MYCETOPODIDAE)
- Jiagouceras, Genus Jiagouceras Chen & Tsou, 1979 (PLECTRONOCERATIDAE) (FOSSIL)
- jiagouense, Eburoceras jiagouense Zou & C. Chen, 1979 † - (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- jiaheense, Altudoceras jiaheense Zheng, 1984 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- jiaheensis, Paradoxipecten jiaheensis Zhang, 1981 † - (AVICULOPECTINIDAE) (FOSSIL)
- jiaheensis, Euchondria jiaheensis Y. Fang, 1987 † - (EUCHONDRIIDAE) (FOSSIL)
- jiaheensis, Girtypecten jiaheensis Zhang, 1981 † - (HETEROPECTINIDAE) (FOSSIL)
- jiaheensis, Leptochondria jiaheensis Zhang, 1981 † - (LEIOPECTINIDAE) (FOSSIL)
- jiaheensis, Palaeolima jiaheensis Zhang, 1981 † - (LIMIDAE) (FOSSIL)
- jiajiaensis, Neocrimites jiajiaensis Sheng & H.X. Liu, 1983 † - (ADRIANITIDAE) (FOSSIL)
- jialaensis, Sosiocrimites jialaensis Sheng & H.X. Liu, 1983 † - (ADRIANITIDAE) (FOSSIL)
- Jianchuania, Genus Jianchuania Chen & Chen, 1980 (OXYTOMIDAE) (FOSSIL)
- jiangbianensis, Schizodus jiangbianensis Y. Fang & Yin, 1995 † - (SCHIZODIDAE) (FOSSIL)
- jianghanensis, Acuticosta jianghanensis J. He & Z. Zhuang, 2013 - (UNIONIDAE)
- jiangheensis, Bakevellia jiangheensis C.C. Lu, 1986 † - (BAKEVELLIIDAE) (FOSSIL)
- jiangheensis, Schizodus jiangheensis C.C. Lu, 1986 † - (SCHIZODIDAE) (FOSSIL)
- Jiangia, syn of: Genus Canopoconus Jiang, 1982 (MAIKHANELLIDAE) (FOSSIL)
- jiangjiachongense, Yinoceras jiangjiachongense W.C. Zhou, 1979 † - syn of: Yinoceras lenticulare J.K. Zhao, 1954 † - (PSEUDOHALORITIDAE) (FOSSIL)
- jiangsuensis, Netschajewia jiangsuensis H.X. Liu, 1976 † - (KALENTERIDAE) (FOSSIL)
- jiangsuensis, Tirolites jiangsuensis H. Guo, 1982 † - (TIROLITIDAE) (FOSSIL)
- jiangsuensis, Cincinna jiangsuensis Yü, 1977 † - (VALVATIDAE) (FOSSIL)
- Jiangxiella, Genus Jiangxiella Liu, 1968 (PSEUDOCARDINIIDAE) (FOSSIL)
- jiangxiense, Jinjiangoceras jiangxiense Zheng & X.T. Ma, 1982 † - (ARAXOCERATIDAE) (FOSSIL)
- jiangxiense, Pseudogastrioceras jiangxiense J.K. Zhao & al., 1978 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- jiangxiensis, Stutchburia jiangxiensis Gu & H.X. Liu, 1976 † - (KALENTERIDAE) (FOSSIL)
- jiangxiensis, Schizodus jiangxiensis Li & Ding, 1982 † - (SCHIZODIDAE) (FOSSIL)
- Jiangxispira, Genus Jiangxispira Pan & al., 2003 (STREPTACIDIDAE) (FOSSIL)
- jiangyouensis, Claraia jiangyouensis Gou & G.Y. Lin, 1996 † - (PTERINOPECTINIDAE) (FOSSIL)
- jianouensis, Pseudobythinella jianouensis (Y.Y. Liu & W.Z. Zhang, 1979) - (AMNICOLIDAE)
- jianouensis, Erhaia jianouensis (Y.Y. Liu & W.Z. Zhang, 1979) - (AMNICOLIDAE)
- jianshanense, Dongshanoceras jianshanense B.Z. Li, 1984 † - (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- jianshanensis, Bradybaena jianshanensis C. Chen & S.P. Zhang, 2004 - (BRADYBAENIDAE)
- jianshiense, Altudoceras jianshiense F.S. Xu, 1977 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- jianus, Viviparus turgidus jianus (Stefanescu, 1896 †) - (VIVIPARIDAE) (FOSSIL)
- jiaodaolingensis, Pliopholyx jiaodaolingensis Yu, 1987 † - (PLIOPHOLYGIDAE) (FOSSIL)
- jiaozishanensis, Aviculopecten jiaozishanensis F.S. Xu, 1980 † - syn of: Aviculopecten yunnanensis H. Guo, 1985 † - (AVICULOPECTINIDAE) (FOSSIL)
- jiaozishanensis, Parallelodon jiaozishanensis T.C. Lan & F.S. Xu, 1980 † - syn of: Parallelodon xijinwulanensis Sha, 1995 † - (PARALLELODONTIDAE) (FOSSIL)
- jiaozishanensis, Schizodus jiaozishanensis F.S. Xu, 1980 † - syn of: Schizodus xiangtanensis Y. Fang, 1987 † - (SCHIZODIDAE) (FOSSIL)
- jibacoa, Macromphalina jibacoa E. Rolán & F. Rubio, 1998 - (VANIKORIDAE)
- jibacoaensis, Elysia jibacoaensis J.A. Ortea, L. Moro, G.M. Caballer & J. Espinosa, 2011 - (PLAKOBRANCHIDAE)
- jibacoense, Chondropoma poeyanum jibacoense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- jicarensis, Acteonella jicarensis N.F. Sohl & H.A. Kollmann, 1985 † - (ACTEONELLIDAE) (FOSSIL)
- jickeli, Corbicula jickeli S. Clessin, 1879 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- jickeli, Nodularia jickeli C.T. Simpson, 1900 - syn of: Nitia teretiuscula (R.A. Philippi, 1847) - (UNIONIDAE)
- jickelii, Anadara jickelii C.F. Jickeli, 1882 - syn of: Anadara natalensis (C.F.F. von Krauss, 1848) - (ARCIDAE)
- jickelii, Macroptychia jickelii E. Neubert, 2002 - (CLAUSILIIDAE)
- jickelii, Alopia subcosticollis jickelii M. von Kimakowicz, 1894 - (CLAUSILIIDAE)
- jickelii, Phasmoconus jickelii (H.C. Weinkauff, 1873) - (CONIDAE)
- jickelii, Epitonium jickelii (S. Clessin, 1897) - (EPITONIIDAE)
- jickelii, Mactra jickelii H.C. Weinkauff, 1881 - syn of: Mactra lilacea J.B.P.A. Lamarck, 1818 - (MACTRIDAE)
- jickelii, Raeta jickelii R. Sturany, 1905 - syn of: Raeta pellicula (L.A. Reeve, 1854) - (MACTRIDAE)
- jickelii, Naquetia jickelii (C.M. Tapparone-Canefri, 1875) - (MURICIDAE)
- jickelii, Carpathica jickelii A.V. Grossu, 1969 - (OXYCHILIDAE)
- jickelii, Pecten jickelii R.W. Dunker, 1882 - (PECTINIDAE)
- jickelii, Rissoina jickelii H.C. Weinkauff, 1881 - syn of: Phosinella clathrata Adams, 1853 - (RISSOINIDAE)
- jickelii, Eupera jickelii J.R. Bourguignat, 1883 - syn of: Eupera ferruginea (C.F.F. von Krauss, 1848) - (SPHAERIIDAE)
- jickelii, Lophiotoma jickelii H.C. Weinkauff & W. Kobelt, 1875 - syn of: Lophiotoma acuta jickelii (H.C. Weinkauff & W. Kobelt, 1875) - (TURRIDAE)
- jickelii, Lophiotoma acuta jickelii (H.C. Weinkauff & W. Kobelt, 1875) - (TURRIDAE)
- jidiensis, Laternula jidiensis H. Guo, 1985 † - (LATERNULIDAE) (FOSSIL)
- jidoensis, Venus jidoensis C.E. Lischke, 1874 - syn of: Leukoma jedoensis (C.E. Lischke, 1874) - (VENERIDAE)
- jidoensis alta, Venus jidoensis alta A.W. Grabau & S.G. King, 1928 - syn of: Leukoma jedoensis (C.E. Lischke, 1874) - (VENERIDAE)
- Jieshaniceras, Genus Jieshaniceras Brόhwiler & al., 2008 (FLEMINGITIDAE) (FOSSIL)
- jiguanensis, Troschelvindex jiguanensis (L. Pfeiffer, 1861) - (POMATIIDAE)
- jiguanensis bairensis, Troschelvindex jiguanensis bairensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- jiguanensis negrosensis, Troschelvindex jiguanensis negrosensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- jiguaniensis, Polystira jiguaniensis Espinosa, Ortea & Moro, 2017 - (TURRIDAE)
- jijiapoensis, Scenella jijiapoensis C. Chen, 1984 † - (SCENELLIDAE) (FOSSIL)
- jijipana, Cancellaria jijipana H.A. Pilsbry & A.A. Olsson, 1941 † - (CANCELLARIIDAE) (FOSSIL)
- jijtschenko, Fusinus jijtschenko Makarenko, 1976 † - (FASCIOLARIIDAE) (FOSSIL)
- jilinense, Agathiceras jilinense Liang, 1982 † - (AGATHICERATIDAE) (FOSSIL)
- Jilingites, Genus Jilingites Liang , 1982 (MARATHONITIDAE) (FOSSIL)
- jilitlana, Eustreptostyla jilitlana (W.H. Dall, 1908) - (SPIRAXIDAE)
- jillsoni, Subprionocyclus jillsoni Anderson 1958 † - (COLLIGNONICERATIDAE) (FOSSIL)
- jimae, Megalophaedusa jimae (P. Ehrmann, 1900) - (CLAUSILIIDAE)
- jimbecki, Condylocuna jimbecki P.U. Middelfart, 2002 - (CONDYLOCARDIIDAE)
- jimberlanensis, Sinumelon jimberlanensis G.A. Solem, 1997 - (CAMAENIDAE)
- jimboana, Crepidula jimboana M. Yokoyama, 1931 † - (CALYPTRAEIDAE) (FOSSIL)
- jimboi, Yokoyamoceras jimboi E. Matsumoto, 1955 † - (KOSSMATICERATIDAE) (FOSSIL)
- jimboi, Apiotrigonia jimboi T. Nakano, 1957 † - (MEGATRIGONIIDAE) (FOSSIL)
- jimboi, Louella jimboi (Kobayashi & Amano, 1955) † - (STEINMANELLIDAE) (FOSSIL)
- jimboi tunetana, Acanthoceras jimboi tunetana Pervinquière, 1907 † - syn of: Newboldiceras tunisiense J. Kennedy, 2015 † - (ACANTHOCERATIDAE) (FOSSIL)
- Jimboiceras, Genus Jimboiceras Shimizu, 1935 (DESMOCERATIDAE) (FOSSIL)
- Jimbouria, Genus Jimbouria Stanisic, 2010 (CAMAENIDAE)
- jimcordyi, Volvarina jimcordyi T. Cossignani, 2007 - (MARGINELLIDAE)
- jimenensis, Amandana jimenensis (A. Puente & J. Arrébola, 1996) - (HYGROMIIDAE)
- jimenezi, Plekocheilus jimenezi J.G. Hidalgo, 1870 - (AMPHIBULIMIDAE)
- jimenezi, Selenophaedusa jimenezi Grego & Szekeres, 2017 - (CLAUSILIIDAE)
- jimenezi, Buergliceras jimenezi J.J. Vermeulen, 2007 † - (PULCHELLIIDAE) (FOSSIL)
- jimenezianus, Astieridiscus jimenezianus Fallot & Termier, 1923 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Jimenites, Genus Jimenites (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- jimenoi, Eutudora jimenoi (R. Arango in L. Pfeiffer, 1864) - (POMATIIDAE)
- jimiensis, Guineana jimiensis Skwarko, 1967 † - (TRIGONIIDAE) (FOSSIL)
- jiminis, Cochlodinella jiminis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- jimpyae, Epitonium jimpyae R.N. Kilburn, 1985 - (EPITONIIDAE)
- Jincelites, Genus Jincelites Valent & al., 2009 (HYOLITHIDA (UNASSIGNED)) (FOSSIL)
- jingchunae, Diarmaidia jingchunae E.V. Coan & P.H. Valentich-Scott, 2012 - (LASAEIDAE)
- jingguensis, Naricopsina jingguensis Pan, 1977 † - (NARICOPSINIDAE) (FOSSIL)
- jingguensis, Patella jingguensis Pan, 1977 † - (PATELLIDAE) (FOSSIL)
- jingguensis, Sisenna jingguensis Pan, 1977 † - (PLEUROTOMARIIDAE) (FOSSIL)
- jingguensis, Vitrinella jingguensis Pan, 1977 † - (TORNIDAE) (FOSSIL)
- jingguensis, Amplovalvata jingguensis Pan, 1977 † - (VALVATIDAE) (FOSSIL)
- jingguensis, Viviparus jingguensis Pan, 1977 † - (VIVIPARIDAE) (FOSSIL)
- jingheensis, Oelandia jingheensis Yü & Ning, 1985 † - (HELCIONELLIDAE) (FOSSIL)
- jingheensis, Neritaria jingheensis Yin, 1980 † - (NERITARIIDAE) (FOSSIL)
- jinghongensis, Tricula jinghongensis H. Guo & Gu, 1985 - (POMATIOPSIDAE)
- jinghongensis, Stenothyra jinghongensis D.H.S. Davis, H. Guo & K.E. Hoagland, 1986 - (STENOTHYRIDAE)
- jingshanlingense, Bactroceras jingshanlingense Zou, 1987 † - syn of: Bactroceras angustisiphonatum (Rüdiger, 1891 †) - (BALTOCERATIDAE) (FOSSIL)
- jingshanlingense, Proendoceras jingshanlingense Zou, 1987 † - (PROTEROCAMEROCERATIDAE) (FOSSIL)
- jingxianensis, Euchondria jingxianensis Gu & H.X. Liu, 1976 † - (EUCHONDRIIDAE) (FOSSIL)
- Jinjiangoceras, Genus Jinjiangoceras Zhao & al., 1978 (ARAXOCERATIDAE) (FOSSIL)
- jinjiensis, Parainoceramya jinjiensis (C. Chen, 1988 †) - (INOCERAMIDAE) (FOSSIL)
- jinjiensis, Palaeoneilo jinjiensis C. Chen, 1982 † - (MALLETIIDAE) (FOSSIL)
- jinjiensis, Veteranella jinjiensis C. Chen, 1982 † - (NUCULANIDAE) (FOSSIL)
- jinjiroi, Gastrocopta jinjiroi J.T. Kuroda & M. Hukuda, 1944 - (GASTROCOPTIDAE)
- jinkana, Semotrachia jinkana G.A. Solem, 1993 - (CAMAENIDAE)
- Jinonicella, Genus Jinonicella Pokorny, 1978 (YOCHELCIONELLIDAE) (FOSSIL)
- jintaensis, Sosiocrimites jintaensis Liang, 1981 † - (ADRIANITIDAE) (FOSSIL)
- jinxingae, Trigonothracia jinxingae F.S. Xu, 1980 - (THRACIIDAE)
- jinxingae, Tindaria jinxingae F.S. Xu, 1990 - (TINDARIIDAE)
- Jinyaceras, Genus Jinyaceras Brayard & Bucher, 2008 (MELAGATHICERATIDAE) (FOSSIL)
- jinyaensis, Periclaraia jinyaensis C. Chen & Komatsu, 2002 † - (PECTINIDAE) (FOSSIL)
- jinyungensis, Oospira jinyungensis (C. Chen & S.Q. Zhang, 1999) - (CLAUSILIIDAE)
- jinzhouensis, Bohaispira jinzhouensis Y.F. Huang, 1983 † - (BOHAISPIRIDAE) (FOSSIL)
- jipijapa, Neaeromya jipijapa (A.A. Olsson, 1961) - (LASAEIDAE)
- jiraponi, Camptoceras jiraponi B. Hubendick, 1967 - (PLANORBIDAE)
- jiraponi, Stenothyra jiraponi R.A.M. Brandt, 1968 - (STENOTHYRIDAE)
- jiriensis, Cylindrophaedusa ioes jiriensis H. Nordsieck, 1973 - (CLAUSILIIDAE)
- jirikana, Rissoina jirikana H.S. Ladd, 1966 † - (RISSOINIDAE) (FOSSIL)
- jisuensis, Conocardium jisuensis A.W. Grabau, 1931 † - syn of: Cyrtorostra jisuensis (A.W. Grabau, 1931 †) - (CONOCARDIIDAE) (FOSSIL)
- jisuensis, Cyrtorostra jisuensis (A.W. Grabau, 1931 †) - (DELTOPECTINIDAE) (FOSSIL)
- Jitlada, Genus Jitlada M. Huber, Langleit & Kreipl, 2015 (TELLINIDAE)
- jiuzhaiensis, Bakevellia jiuzhaiensis H. Guo, 1985 † - (BAKEVELLIIDAE) (FOSSIL)
- joachimi, Helix joachimi R. Schröder, 1911 - syn of: Arianta arbustorum (C. Linnaeus, 1758) - (HELICIDAE)
- Joachimoceras, Genus Joachimoceras Barskov, 1960 (GEISONOCERATIDAE) (FOSSIL)
- Joachymia, Genus Joachymia Barrande , 1881 (CARDIOLIDAE) (FOSSIL)
- joae, Besla joae E. Saurin, 1962 - (PYRAMIDELLIDAE)
- joallesi, Acanthochitona joallesi (A. de Rochebrune, 1881) - (ACANTHOCHITONIDAE)
- joanae, Episiphon joanae V. Scarabino & F. Scarabino, 2010 - (GADILINIDAE)
- joanae, Marginella joanae L. Bozzetti, 2001 - (MARGINELLIDAE)
- joani, Chauvetia joani P.G. Oliver & E. Rolán, 2008 - (BUCCINIDAE)
- joani, Newnesia joani Moles, Wägele, Schrödl & Avila, 2016 - (DIAPHANIDAE)
- joani, Palaeozygopleura joani E.G. Linsley, 1968 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- joanmassierae, Marginella joanmassierae L. Bozzetti, 1992 - (MARGINELLIDAE)
- joannae, Chondrodonta joannae (Choffat, 1886 †) - (CHONDRODONTIDAE) (FOSSIL)
- joannae, Colpospira joannae C. Hedley, 1923 - syn of: Colpospira curialis C. Hedley, 1907 - (TURRITELLIDAE)
- joanneae, Calliostoma joanneae A.A. Olsson, 1971 - (CALLIOSTOMATIDAE)
- joanneae, Macrocypraea joanneae E.J. Petuch, 2004 † - (CYPRAEIDAE) (FOSSIL)
- joanneus, Argonauta joanneus Hilber, 1915 † - (ARGONAUTIDAE) (FOSSIL)
- joannis, Calliostoma joannis E.A.L. Kittl, 1899 † - (CALLIOSTOMATIDAE) (FOSSIL)
- joannis, Helix joannis L.L.G. de Mortillet, 1854 - syn of: Caucasocressa joannis (L.L.G. de Mortillet, 1854) - (HELICIDAE)
- joannis, Caucasocressa joannis (L.L.G. de Mortillet, 1854) - (HYGROMIIDAE)
- joannis, Pisidium joannis W. Macgillivray, 1843 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- joannis andronakii, Helix joannis andronakii W.A. Lindholm, 1913 - syn of: Caucasocressa joannis (L.L.G. de Mortillet, 1854) - (HELICIDAE)
- joannis minor, Helix joannis minor L.L.G. de Mortillet, 1854 - syn of: Caucasocressa joannis (L.L.G. de Mortillet, 1854) - (HELICIDAE)
- joannis pellucidepunctata, Helix joannis pellucidepunctata O. von Retowski, 1914 - syn of: Caucasocressa joannis (L.L.G. de Mortillet, 1854) - (HELICIDAE)
- joannisaustriae, Hoernesia joannisaustriae (Klipstein, 1843 †) - (BAKEVELLIIDAE) (FOSSIL)
- joannisaustriae, Ananias joannisaustriae Knight 1945 † - (GOSSELETINIDAE) (FOSSIL)
- joannisaustriae, Joannites joannisaustriae (Klipstein, 1843 †) - (JOANNITIDAE) (FOSSIL)
- joannisaustriae, Worthenia joannisaustriae Klipstein, 1843 † - syn of: Rinaldoella johannisaustriae (Klipstein, 1843 †) - (LOPHOSPIRIDAE) (FOSSIL)
- joannisi, Unio joannisi J.R. Bourguignat, 1882 - syn of: Unio pictorum (C. Linnaeus, 1758) - (UNIONIDAE)
- joannisi, Anodonta joannisi J. Germain, 1904 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- Joannisia, syn of: Genus Tylodina C.S. Rafinesque, 1819 (TYLODINIDAE)
- Joannisia, syn of: Genus Cycladicama A. Valenciennes in C. Rousseau, 1854 (UNGULINIDAE)
- Joannisiella, syn of: Genus Cycladicama A. Valenciennes in C. Rousseau, 1854 (UNGULINIDAE)
- Joannites, Genus Joannites Mojsisovics , 1879 (JOANNITIDAE) (FOSSIL)
- JOANNITIDAE Mojsisovics, 1882 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-ARCESTOIDEA [Superfamily]) (FOSSIL)
- joannotae, Clathropsis joannotae Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- joapyra, Subcancilla joapyra L.R.L. Simone & C.M. Cunha, 2012 - (MITRIDAE)
- joaquinae, Salasiella joaquinae (H. Strebel, 1877) - (SPIRAXIDAE)
- joaquinensis, Pacificor hornii joaquinensis (E.H. Vokes, 1939 †) - (CARDITIDAE) (FOSSIL)
- joaquinensis, Angulus joaquinensis R. Arnold, 1910 † - (TELLINIDAE) (FOSSIL)
- joaquinensis, Lamelliconcha joaquinensis (Vokes 1939) † - (VENERIDAE) (FOSSIL)
- joaquini, Uncinicoptis joaquini (H.A. Pilsbry, 1903) - (UROCOPTIDAE)
- Joaquinites, syn of: Genus Pachydiscus Anderson, 1958 (DESMOCERATIDAE) (FOSSIL)
- jobae, Anodonta jobae D. Dupuy, 1849 - syn of: Pseudanodonta elongata (J.J.J. Holandre, 1836) - (UNIONIDAE)
- jobanica, Leukoma jobanica (M. Yokoyama, 1924 †) - (VENERIDAE) (FOSSIL)
- jobanicum, Laevicardium jobanicum M. Yokoyama, 1924 † - syn of: Leukoma jobanica (M. Yokoyama, 1924 †) - (CARDIIDAE) (FOSSIL)
- jobbernsi, Sassia jobbernsi (L. C. King, 1933 †) - (RANELLIDAE) (FOSSIL)
- jobiensis, Marmarostoma jobiensis C.M. Tapparone-Canefri, 1878 - (TURBINIDAE)
- jocelynae, Naridista jocelynae (C.R. Laws, 1939 †) - (VANIKORIDAE) (FOSSIL)
- jocosa, Pisinna jocosa (C.R. Laws, 1940 †) - (ANABATHRIDAE) (FOSSIL)
- jocosa, Inglisella jocosa P.A. Maxwell, 1988 † - (CANCELLARIIDAE) (FOSSIL)
- jocosa, Oscilla jocosa J.C. Melvill, 1904 - (PYRAMIDELLIDAE)
- jocosior, Oscilla jocosior E. Saurin, 1959 - (PYRAMIDELLIDAE)
- Joculator, Genus Joculator C. Hedley, 1909 (CERITHIOPSIDAE)
- jod, Caecilianopsis jod H.A. Pilsbry, 1907 - syn of: Karolus consobrinus primus (L. de Folin, 1870) - (FERUSSACIIDAE)
- jod, Gulella jod (H.B. Preston, 1910) - (STREPTAXIDAE)
- jodariensis, Teschenites jodariensis (J.H.F. Douvillé, 1906 †) - (NEOCOMITIDAE) (FOSSIL)
- Jodes, Subgenus Janthina (Jodes) O.A.L. Mφrch, 1860 (JANTHINIDAE)
- jodevidtsi, Bythinella jodevidtsi J.M. Bichain, 2007 - (BYTHINELLIDAE)
- jodiae, Berthella jodiae J.M. Pacaud, 2015 - (PLEUROBRANCHIDAE)
- Jodina, Subgenus Janthina (Jodina) O.A.L. Mφrch, 1860 (JANTHINIDAE)
- joelgreenei, Morum joelgreenei W.K. Emerson, 1981 - (HARPIDAE)
- joelleae, Turbonilla joelleae A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- Joellina, Genus Joellina R. von Cosel, 2006 (LUCINIDAE)
- joelshugari, Cantharus joelshugari E.J. Petuch, 1994 - syn of: Hesperisternia multangulus (R.A. Philippi, 1848) - (BUCCINIDAE)
- joelshugari, Conus joelshugari E.J. Petuch, 1994 † - (CONIDAE) (FOSSIL)
- joenia, Eatonina joenia A. Aradas & L. Benoit, 1870 - syn of: Eatonina cossurae (P. Calcara, 1841) - (CINGULOPSIDAE)
- joenia, Rissoa joenia S.B. Amato, 1843 - syn of: Eatonina cossurae (P. Calcara, 1841) - (RISSOIDAE)
- joenia, Venus joenia L. Benoit & J. Granata Grillo, 1878 - syn of: Venus casina C. Linnaeus, 1758 - (VENERIDAE)
- joerinkensi, Livonia joerinkensi (G.T. Poppe, 1987) - (VOLUTIDAE)
- joffrei, Crioceras joffrei Boule & al., 1907 † - syn of: Myloceras joffrei (Boule & al., 1907 †) - (CRIOCERATITIDAE) (FOSSIL)
- joffrei, Myloceras joffrei (Boule & al., 1907 †) - (LABECERATIDAE) (FOSSIL)
- joffrei, Indosphinctes joffrei (Lemoine, 1916 †) - (PERISPHINCTIDAE) (FOSSIL)
- jogashima, Thraciokellia jogashima J.T. Kuroda & T. Habe, 1971 - (KELLIIDAE)
- Jogjacartanus, Genus Jogjacartanus Martin, 1931 (STROMBIDAE) (FOSSIL)
- jogjacartensis, Genota jogjacartensis K. Martin, 1914 † - (BORSONIIDAE) (FOSSIL)
- jogjacartensis, Eutrhia jogjacartensis K. Martin, 1914 † - syn of: Samudra djocdjocartae (K. Martin, 1884 †) - (BUCCINIDAE) (FOSSIL)
- jogjacartensis, Cassis jogjacartensis K. Martin, 1914 † - syn of: Cassis mamillaris J.P.S. Grateloup, 1847 † - (CASSIDAE) (FOSSIL)
- jogjacartensis, Smaragdia jogjacartensis K. Martin, 1916 † - (NERITIDAE) (FOSSIL)
- jogjacartensis, Ostrea jogjacartensis K. Martin, 1914 † - (OSTREIDAE) (FOSSIL)
- jogjacartensis, Telescopium jogjacartensis K. Martin, 1914 † - (POTAMIDIDAE) (FOSSIL)
- johani, Arangia johani C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Johania, syn of: Genus Philine P. Ascanius, 1772 (PHILINIDAE)
- Johaniceramus, Genus Johaniceramus M.L. Jaume & C. de la Torre, 1972 (UROCOPTIDAE)
- johannae, Deroceras johannae A.J. de Winter & L.J.M. Butot, 1985 - (AGRIOLIMACIDAE)
- johannae, Cuphosolenus johannae (Buvignier in L.É.S. Piette, 1891 †) - (APORRHAIDAE) (FOSSIL)
- johannae, Chelyconus johannae Hoernes & Auinger, 1879 † - (CONIDAE) (FOSSIL)
- johannae, Epitonium johannae M.E.A. de Boury, 1886 † - (EPITONIIDAE) (FOSSIL)
- johannae, Alvania johannae R.G. Moolenbeek & H.J. Hoenselaar, 1998 - (RISSOIDAE)
- Johannaia, Genus Johannaia Long, 1981 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Johannesoconcha, Subgenus Gyrocochlea (Johannesoconcha) H.B. Preston, 1913 (CHAROPIDAE)
- Johannesoconcha, syn of: Genus Hawaiia G.P.L.K. Gude, 1911 (PRISTILOMATIDAE)
- johanni, Agardhiella johanni E. Gittenberger, 2015 - (ARGNIDAE)
- johanni, Cryptaulax johanni A. Nützel & J. Gründel, 2015 † - (CRYPTAULACIDAE) (FOSSIL)
- johanni, Yoldia johanni W.H. Dall, 1925 - syn of: Yoldia seminuda W.H. Dall, 1871 - (YOLDIIDAE)
- johannis, Pleurobema johannis I. Lea, 1859 - syn of: Pleurobema perovatum T.A. Conrad, 1834 - (UNIONIDAE)
- johannisaustriae, Ammonites johannisaustriae Klipstein, 1843 † - syn of: Joannites diffissus (J. Von Hauer, 1860 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- johannisaustriae, Arcestes johannisaustriae Klipstein, 1843 † - syn of: Joannites joannisaustriae (Klipstein, 1843 †) - (ARCESTIDAE) (FOSSIL)
- johannisaustriae, Ananias johannisaustriae Klipstein, 1843 † - syn of: Rinaldoella johannisaustriae (Klipstein, 1843 †) - (GOSSELETINIDAE) (FOSSIL)
- johannisaustriae, Pleurotomaria johannisaustriae Klipstein, 1843 † - syn of: Rinaldoella johannisaustriae (Klipstein, 1843 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- johannisaustriae, Rinaldoella johannisaustriae (Klipstein, 1843 †) - (WORTHENIELLIDAE) (FOSSIL)
- johannisboehmi, Megaphyllites johannisboehmi Pompeckj, 1895 † - (MEGAPHYLLITIDAE) (FOSSIL)
- johannisi, Chloritis johannisi D.P. Cilia, 2010 - (CAMAENIDAE)
- johannstraussi, Opacuincola johannstraussi M. Haase, 2008 - (TATEIDAE)
- johannthielei, Enixotrophon johannthielei (K.H. Barnard, 1959) - (MURICIDAE)
- johanseni, Plicifusus johanseni W.H. Dall, 1919 - (BUCCINIDAE)
- johanseni, Caspiohydrobia johanseni E.N. Frolova, 1984 - (HYDROBIIDAE)
- johanseni, Anisus johanseni (A. Mozley, 1934) - (PLANORBIDAE)
- johanseni, Musculium johanseni Tscheremnov, 1972 - syn of: Musculium lacustre (O.F. Müller, 1774) - (SPHAERIIDAE)
- johanseni, Euglesa johanseni Dolgin & A. Korniushin, 1994 - syn of: Pisidium hinzi J.G.J. Kuiper, 1975 - (SPHAERIIDAE)
- joharae, Grossouvrites joharae Salazar & al., 2010 † - (KOSSMATICERATIDAE) (FOSSIL)
- johare, Grossouvrites johare Salazar & al., 2010 † - syn of: Grossouvrites joharae Salazar & al., 2010 † - (KOSSMATICERATIDAE) (FOSSIL)
- joharense, Acrochordiceras joharense Diener, 1895 † - syn of: Acrochordiceras hyatti F.B. Meek, 1877 † - (ACROCHORDICERATIDAE) (FOSSIL)
- johnabbasi, Agaronia johnabbasi D.P. Cilia, 2012 - syn of: Agaronia johnkochi R.P.A. Voskuil, 1990 - (OLIVIDAE)
- johnclarki, Paramoria johnclarki P. Bail & A. Limpus, 1997 - (VOLUTIDAE)
- johni, Recluzia johni (H.S. Holten, 1802) - (JANTHINIDAE)
- johni, Nassarius johni (T.A. de M. Monterosato, 1889) - (NASSARIIDAE)
- johni, Plesiophysa johni J.B. Burch, 1977 - (PLANORBIDAE)
- johni, Ribeiria johni Polechová, 2015 † - (RIBEIRIIDAE) (FOSSIL)
- johni dakarensis, Nassa johni dakarensis E. Fischer-Piette & M. Nicklés, 1946 - syn of: Nassarius dakarensis (E. Fischer-Piette & M. Nicklés, 1946) - (NASSARIIDAE)
- johnjagti, Erycina johnjagti R. Marquet, Lenaerts & Laporte, 2012 † - (LASAEIDAE) (FOSSIL)
- Johnjagtia, Genus Johnjagtia A.W. Janssen, 2005 (CUVIERINIDAE) (FOSSIL)
- johnkochi, Agaronia johnkochi R.P.A. Voskuil, 1990 - (OLIVIDAE)
- Johnmartinia, Genus Johnmartinia Pojeta & Gilbert-Tomlinson, 1977 (MALLETIIDAE) (FOSSIL)
- johnnetheryi, Georissa johnnetheryi J. Stanisic, 2010 - (HYDROCENIDAE)
- johnseni, Periploma johnseni H.D. Russell & Landes, 1937 † - (PERIPLOMATIDAE) (FOSSIL)
- johnseni, Anodonta johnseni H.D. Russell, 1935 † - (UNIONIDAE) (FOSSIL)
- johnsensis, Bradyospira johnsensis Batten, 1964 † - (GOSSELETINIDAE) (FOSSIL)
- johnsi, Pseudaneitea johnsi D.W. Burton, 1963 - (ATHORACOPHORIDAE)
- johnsi, Protoflammulina johnsi F.M. Climo, 1971 - (CHAROPIDAE)
- Johnsonella, Subgenus Arcopagia (Johnsonella) F. Afshar, 1969 (TELLINIDAE)
- johnsoni, Clavator eximius johnsoni (E.A. Smith, 1882) - (ACAVIDAE)
- johnsoni, Amastra johnsoni A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- johnsoni, Amnicola dalli johnsoni H.A. Pilsbry, 1899 - (AMNICOLIDAE)
- johnsoni, Graciliala johnsoni (L.W. Stephenson, 1923 †) - (APORRHAIDAE) (FOSSIL)
- johnsoni, Neptunea johnsoni W.H. Dall, 1919 - (BUCCINIDAE)
- johnsoni, Siphonalia johnsoni H.G. Richards, 1947 † - (BUCCINIDAE) (FOSSIL)
- johnsoni, Caecum johnsoni H.W. Winkley, 1908 - (CAECIDAE)
- johnsoni, Miorangia johnsoni (Dall 1893) † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- johnsoni, Cerion johnsoni H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- johnsoni, Crassinella johnsoni Ward & B.W. Blackwelder, 1987 † - (CRASSATELLIDAE) (FOSSIL)
- johnsoni, Dentalium johnsoni W.K. Emerson, 1952 - syn of: Episiphon didymum (R.B. Watson, 1879) - (DENTALIIDAE)
- johnsoni, Clavus johnsoni (P. Bartsch, 1934) - (DRILLIIDAE)
- johnsoni, Linsleyella johnsoni Rohr, 1980 † - (EUOMPHALIDAE) (FOSSIL)
- johnsoni, Gosseletina johnsoni Thein & Nitecki, 1974 † - (GOSSELETINIDAE) (FOSSIL)
- johnsoni, Phacoides johnsoni C.H. Oostingh, 1935 † - (LUCINIDAE) (FOSSIL)
- johnsoni, Malletia johnsoni A.H. Clarke, 1961 - (MALLETIIDAE)
- johnsoni, Margarites johnsoni W.H. Dall, 1921 - syn of: Margarites vahlii (H.P.C. Møller, 1842) - (MARGARITIDAE)
- johnsoni, Ilyanassa johnsoni W.H. Dall, 1892 † - (NASSARIIDAE) (FOSSIL)
- johnsoni, Eutrephoceras johnsoni Miller, 1947 † - (NAUTILIDAE) (FOSSIL)
- johnsoni, Callianax johnsoni A.A. Olsson, 1956 † - (OLIVELLIDAE) (FOSSIL)
- johnsoni, Miniaceoliva miniacea johnsoni (H.C. Higgins, 1919) - (OLIVIDAE)
- johnsoni, Lopha johnsoni (Aldrich 1886) † - (OSTREIDAE) (FOSSIL)
- johnsoni, Madagasikara johnsoni (E.A. Smith, 1882) - (PACHYCHILIDAE)
- johnsoni, Dhondtichlamys johnsoni (Clark, 1895 †) - (PECTINIDAE) (FOSSIL)
- johnsoni, Physella johnsoni (W.J. Clench, 1926) - (PHYSIDAE)
- johnsoni, Solaropsis johnsoni H.A. Pilsbry, 1933 - (PLEURODONTIDAE)
- johnsoni, Chondropoma nicolasi johnsoni C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- johnsoni, Pristiloma johnsoni W.H. Dall, 1895 - (PRISTILOMATIDAE)
- johnsoni, Turbonilla johnsoni F.C. Baker, G.D. Hanna & A.M. Strong, 1928 - (PYRAMIDELLIDAE)
- johnsoni, Rhytida johnsoni A.W.B. Powell, 1948 - (RHYTIDIDAE)
- johnsoni, Rissoina johnsoni W.H. Dall, 1892 † - (RISSOINIDAE) (FOSSIL)
- johnsoni, Acharax johnsoni (W.H. Dall, 1891) - (SOLEMYIDAE)
- johnsoni, Pisidium johnsoni E.A. Smith, 1882 - (SPHAERIIDAE)
- johnsoni, Teredo johnsoni W.F. Clapp, 1924 - (TEREDINIDAE)
- johnsoni, Bankia johnsoni P. Bartsch, 1927 - syn of: Bankia bipennata (W. Turton, 1819) - (TEREDINIDAE)
- johnsoni, Coralliophaga johnsoni R.B. Watson, 1897 - syn of: Coralliophaga lithophagella (J.B.P.A. Lamarck, 1819) - (TRAPEZIDAE)
- johnsoni, Margaritropites johnsoni Smith, 1927 † - (TROPITIDAE) (FOSSIL)
- johnsoni, Bolma johnsoni N.H. Odhner, 1923 - syn of: Bolma johnstoni (N.H. Odhner, 1923) - (TURBINIDAE)
- johnsoni, Pycnoptychia humboldtii johnsoni C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- johnsoni, Calliotectum johnsoni P. Bartsch, 1942 - syn of: Calliotectum tibiaeforme johnsoni (P. Bartsch, 1942) - (VOLUTIDAE)
- johnsoni, Calliotectum tibiaeforme johnsoni (P. Bartsch, 1942) - (VOLUTIDAE)
- johnsoni dupreyae, Calliotectum johnsoni dupreyae W.K. Emerson, 1985 - syn of: Calliotectum tibiaeforme dupreyae (W.K. Emerson, 1985) - (VOLUTIDAE)
- johnsoni marielinum, Cerion johnsoni marielinum H.A. Pilsbry, 1927 - syn of: Cerion marielinum H.A. Pilsbry, 1927 - (CERIONIDAE)
- johnsonianum, Cunningtoniceras johnsonianum L.W. Stephenson, 1955 † - (ACANTHOCERATIDAE) (FOSSIL)
- johnsonianus, Muusoctopus johnsonianus (L. Allcock, J.M. Strugnell, L. Ruggiero & M.A. Collins, 2006) - (ENTEROCTOPODIDAE)
- johnsonianus, Benthoctopus johnsonianus L. Allcock, J.M. Strugnell, L. Ruggiero & M.A. Collins, 2006 - syn of: Muusoctopus johnsonianus (L. Allcock, J.M. Strugnell, L. Ruggiero & M.A. Collins, 2006) - (OCTOPODIDAE)
- Johnsonites, Genus Johnsonites Cobban, 1961 (BINNEYITIDAE) (FOSSIL)
- johnsonorum, Bornella johnsonorum M. Pola, W.B. Rudman & T.M. Gosliner, 2009 - (BORNELLIDAE)
- johnsonorum, Palmadusta johnsonorum F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- johnsonorum, Halgerda johnsonorum C.H. Carlson & P.J. Hoff, 2000 - (DISCODORIDIDAE)
- johnstanisici, Amphidromus johnstanisici Thach & F. Huber, 2017 - (CAMAENIDAE)
- johnstonae, Lirobittium johnstonae (P. Bartsch, 1911) - (CERITHIIDAE)
- johnstonae, Scaphella junonia johnstonae W.J. Clench, 1953 - (VOLUTIDAE)
- johnstonei, Middalya johnstonei Dickins, 1956 † - (ASTARTIDAE) (FOSSIL)
- johnstonei, Hadra johnstonei J.W. Brazier, 1875 - syn of: Sphaerospira mourilyani (J.W. Brazier, 1875) - (CAMAENIDAE)
- johnstonei, Stenozone johnstonei (Dickins, 1961 †) - (GOSSELETINIDAE) (FOSSIL)
- johnstonei, Helix johnstonei J.W. Brazier, 1875 - syn of: Sphaerospira mourilyani (J.W. Brazier, 1875) - (HELICIDAE)
- johnstonei, Melongena corona johnstonei W.J. Clench & H. Turner, 1956 - (MELONGENIDAE)
- johnstoni, Acanthochitona johnstoni E.A. Ashby, 1923 - (ACANTHOCHITONIDAE)
- johnstoni, Achatina johnstoni E.A. Smith, 1899 - (ACHATINIDAE)
- johnstoni, Ammonites johnstoni Sowerby, 1824 † - syn of: Caloceras johnstoni (Sowerby, 1824 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- johnstoni, Pleurofrechites johnstoni (Silberling & Nichols, 1982 †) - (BEYRICHITIDAE) (FOSSIL)
- johnstoni, Mulceodens johnstoni Caldwell & Chatterton, 1995 † - (BRANSONIIDAE) (FOSSIL)
- johnstoni, Etalia johnstoni Begg & G.B. Campbell, 1985 † - (BUCHIIDAE) (FOSSIL)
- johnstoni, Rabdotus johnstoni G.D. Hanna, 1923 - syn of: Naesiotus dentifer johnstoni (G.D. Hanna, 1923) - (BULIMULIDAE)
- johnstoni, Naesiotus dentifer johnstoni (G.D. Hanna, 1923) - (BULIMULIDAE)
- johnstoni, Cerion johnstoni A. Gonzalez Guillén, 2008 - syn of: Cerion johnsoni H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- johnstoni, Oreomava johnstoni (T. Iredale, 1933) - (CHAROPIDAE)
- johnstoni, Jorunna johnstoni J. Alder & A. Hancock, 1845 - syn of: Jorunna tomentosa (G.L.C.F.D. Cuvier, 1804) - (DISCODORIDIDAE)
- johnstoni, Doris johnstoni J. Alder & A. Hancock, 1845 - syn of: Jorunna tomentosa (G.L.C.F.D. Cuvier, 1804) - (DORIDIDAE)
- johnstoni, Pellax johnstoni B.C. Cotton, 1945 - syn of: Laevilitorina johnstoni (B.C. Cotton, 1945) - (EATONIELLIDAE)
- johnstoni, Elachisina johnstoni (F.C. Baker, G.D. Hanna & A.M. Strong, 1930) - (ELACHISINIDAE)
- johnstoni, Brocchitas johnstoni (R. Tate, 1888 †) - (FASCIOLARIIDAE) (FOSSIL)
- johnstoni, Cyclostrema johnstoni R.H. Beddome, 1883 - syn of: Liotella johnstoni (R.H. Beddome, 1883) - (LIOTIIDAE)
- johnstoni, Laevilitorina johnstoni (B.C. Cotton, 1945) - (LITTORINIDAE)
- johnstoni, Austroginella johnstoni (W.F. Petterd, 1884) - (MARGINELLIDAE)
- johnstoni, Cleopatra johnstoni (E.A. Smith, 1893) - (PALUDOMIDAE)
- johnstoni, Jullienia harmandi johnstoni N.J. Poirier, 1881 - (POMATIOPSIDAE)
- johnstoni, Caloceras johnstoni (Sowerby, 1824 †) - (PSILOCERATIDAE) (FOSSIL)
- johnstoni, Powelliphanta lignaria johnstoni A.W.B. Powell, 1946 - (RHYTIDIDAE)
- johnstoni, Rissoella johnstoni F.C. Baker, G.D. Hanna & A.M. Strong, 1930 - (RISSOELLIDAE)
- johnstoni, Rissoina johnstoni J.E. Tenison-Woods, 1877 † - (RISSOINIDAE) (FOSSIL)
- johnstoni, Granigyra johnstoni (I. von Born, 1778) - (SEGUENZIOIDEA (UNASSIGNED))
- johnstoni, Brookula johnstoni R.H. Beddome, 1883 - syn of: Liotella johnstoni (R.H. Beddome, 1883) - (SEGUENZIOIDEA (unassigned))
- johnstoni, Liotella johnstoni (R.H. Beddome, 1883) - (SKENEIDAE)
- johnstoni, Germanonautilus johnstoni Kummel, 1953 † - (TAINOCERATIDAE) (FOSSIL)
- johnstoni, Triphora johnstoni F. Baker, 1926 - (TRIPHORIDAE)
- johnstoni, Clanculus johnstoni C. Hedley, 1917 - (TROCHIDAE)
- johnstoni, Bolma johnstoni (N.H. Odhner, 1923) - (TURBINIDAE)
- johnstoni, Astralium johnstoni N.H. Odhner, 1923 - syn of: Bolma johnstoni (N.H. Odhner, 1923) - (TURBINIDAE)
- johnstoni, Prisodontopsis johnstoni E.A. Smith, 1908 - syn of: Prisodontopsis aviculaeformis F.R. Woodward, 1991 - (UNIONIDAE)
- johnstoni, Dosinia johnstoni R. Tate, 1887 † - (VENERIDAE) (FOSSIL)
- johnstoni, Alcithoe johnstoni A.W.B. Powell, 1928 - syn of: Alcithoe jaculoides A.W.B. Powell, 1924 - (VOLUTIDAE)
- johnstonia, Eulima johnstonia R. Tate † - (EULIMIDAE) (FOSSIL)
- johnstonii, Fusinus johnstonii (J.E. Tenison-Woods, 1877 †) - (FASCIOLARIIDAE) (FOSSIL)
- johnstrupi, Pecten johnstrupi Lundgren, 1895 - (PECTINIDAE)
- Johnstrupia, Genus Johnstrupia J.P.J. Ravn, 1933 (TRIVIIDAE)
- johntuckeri, Gradiconus johntuckeri B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (CONIDAE) (FOSSIL)
- johnwattsi, Vexillum johnwattsi A.M. Dekkers, 2011 - (COSTELLARIIDAE)
- johnwiedricki, Carinapex johnwiedricki S.G. Wiedrick, 2015 - (HORAICLAVIDAE)
- johnwolffi, Pusia johnwolffi (M. Herrmann & R. Salisbury, 2012) - (COSTELLARIIDAE)
- johnwyatti, Johnwyattia johnwyatti Serna, 1979 † - (JOHNWYATTIIDAE) (FOSSIL)
- Johnwyattia, Genus Johnwyattia Serna, 1979 (JOHNWYATTIIDAE) (FOSSIL)
- JOHNWYATTIIDAE Serna, 1979 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]) (FOSSIL)
- johorensis, Oospira johorensis (J.R. le B. Tomlin, 1939) - (CLAUSILIIDAE)
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