- Zemacies, Genus Zemacies H.J. Finlay, 1926 (BORSONIIDAE)
- Zemelanopsis, Genus Zemelanopsis H.J. Finlay, 1927 (MELANOPSIDAE)
- zemendorfensis, Gyraulus zemendorfensis (Sauerzopf, 1953 ) - (PLANORBIDAE)
- zemi, Elysia zemi Krug, Vendetti & Valdés, 2016 - (PLAKOBRANCHIDAE)
- Zeminolia, syn of: Genus Spectamen T. Iredale, 1924 (SOLARIELLIDAE)
- Zemira, Genus Zemira H. Adams & A. Adams, 1853 (PSEUDOLIVIDAE)
- Zemiropsis, Genus Zemiropsis K.H.J. Thiele, 1929 (BABYLONIIDAE)
- Zemistephanus, Genus Zemistephanus McLearn, 1927 † (OTOITIDAE) (FOSSIL)
- Zemitrella, Genus Zemitrella H.J. Finlay, 1927 (COLUMBELLIDAE)
- zemmourensis, Globularia zemmourensis Cox, 1969 † - (AMPULLINIDAE) (FOSSIL)
- Zemyllita, syn of: Genus Myllita D'Orbigny & C.A. Récluz, 1850 (LASAEIDAE)
- Zemysia, syn of: Genus Felaniella W.H. Dall, 1899 (UNGULINIDAE)
- Zemysina, Subgenus Diplodonta (Zemysina) Finlay, 1927 † (UNGULINIDAE) (FOSSIL)
- Zemysina, syn of: Genus Diplodonta H.G. Bronn, 1831 (UNGULINIDAE)
- Zenatia, Genus Zenatia J.E. Gray, 1853 (MACTRIDAE)
- Zenatina, Genus Zenatina T.N. Gill & T.A. Darragh, 1963 (MACTRIDAE)
- Zenatiopsis, Subgenus Zenatia (Zenatiopsis) Tate, 1879 † (MACTRIDAE) (FOSSIL)
- Zenatraria, syn of: Subgenus Lutraria (Psammophila) T. Brown, 1827 (MACTRIDAE)
- Zenbinostoma, Genus Zenbinostoma † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Zendadjanites, Genus Zendadjanites Farsan & Blind, 1989 † (TENTACULITIDAE) (FOSSIL)
- Zenepos, Genus Zenepos H.J. Finlay, 1928 (RAPHITOMIDAE)
- zenetouae, Bela zenetouae (J.J. Van Aartsen, 1988) - (MANGELIIDAE)
- zenii, Anodonta zenii G.B. Adami, 1886 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- zenkeri, Lineata zenkeri Heidelberger, 2001 † - (ORIOSTOMATIDAE) (FOSSIL)
- zenkeri, Potadoma zenkeri E.C. Von Martens, 1901 - (PACHYCHILIDAE)
- zenkeri, Ceres zenkeri (K.H.J. Thiele) - (PROSERPINELLIDAE)
- zenkevitchi, Astarte zenkevitchi Z.A. Filatova, 1957 - syn of: Astarte esquimalti (W. Baird, 1863) - (ASTARTIDAE)
- zenkevitchi, Tacita zenkevitchi V.J. Lus, 1975 - (BUCCINIDAE)
- zenkevitchi, Monoplacophorus zenkevitchi L.I. Moskalev, Y.I. Starobogatov & Z.A. Filatova, 1983 - (NEOPILINIDAE)
- zenkewitschi, Zachsia zenkewitschi Bulatoff & Rjabtschikoff, 1933 - (TEREDINIDAE)
- zeno, Papuina zeno J.W. Brazier, 1876 - (CAMAENIDAE)
- zenobia, Austrodrillia zenobia W.H. Turton, 1932 - syn of: Naudedrillia praetermissa (E.A. Smith, 1904) - (HORAICLAVIDAE)
- Zenobia, syn of: Genus Zenobiella G.P.L.K. Gude & B.B. Woodward, 1921 (HYGROMIIDAE)
- zenobia, Bullia zenobia W.H. Turton, 1932 - syn of: Bullia diluta (C.F.F. von Krauss, 1848) - (NASSARIIDAE)
- zenobia, Turbonilla zenobia P. Bartsch, 1915 - (PYRAMIDELLIDAE)
- Zenobiella, Genus Zenobiella G.P.L.K. Gude & B.B. Woodward, 1921 (HYGROMIIDAE)
- Zenoites, Genus Zenoites Zenoites † (MELAGATHICERATIDAE) (FOSSIL)
- Zenolina, syn of: Genus Papuina E.C. Von Martens, 1860 (CAMAENIDAE)
- zenonis, Pseudiberus zenonis (P.V. Gredler, 1882) - (BRADYBAENIDAE)
- zenophora, Nerinea zenophora Hudleston † - (NERINEIDAE) (FOSSIL)
- zenopira, Olivancillaria zenopira (P.L. Duclos, 1835) - (OLIVIDAE)
- Zenospira, Genus Zenospira Frýda & Bandel, 1997 † (CHUCHLINIDAE) (FOSSIL)
- Zenostephanus, Genus Zenostephanus Callomon & al., 2009 † (PERISPHINCTIDAE) (FOSSIL)
- zenryumaruae, Cryptonatica zenryumaruae T. Habe & K. Itô, 1976 - (NATICIDAE)
- zeobliqua, Splendrillia zeobliqua A.G. Beu, 1979 - (DRILLIIDAE)
- zeornata, Cirsonella zeornata C.R. Laws, 1948 † - (SKENEIDAE) (FOSSIL)
- zepa, Engina zepa (P.L. Duclos, 1848) - (BUCCINIDAE)
- zepa, Columbella zepa P.L. Duclos, 1848 - syn of: Engina zepa (P.L. Duclos, 1848) - (COLUMBELLIDAE)
- Zephos, syn of: Genus Cominella J.E. Gray, 1850 (BUCCINIDAE)
- zephyra, Hypselodoris zephyra T.M. Gosliner & R.F. Johnson, 1999 - (CHROMODORIDIDAE)
- zephyrina, Tristramia zephyrina (P.L. Duclos, 1833) - (HELICINIDAE)
- zephyrina, Helicina variabilis zephyrina V.L.V. Potiez & A. Michaud, 1838 - (HELICINIDAE)
- zephyrina, Swainsonia zephyrina G.B. Sowerby, 1874 - syn of: Swainsonia fusca (W.J. Swainson, 1824) - (MITRIDAE)
- zephyrina, Procarinaria zephyrina (Barrande, 1881 †) - (PROCARINARIIDAE) (FOSSIL)
- Zephyrina, syn of: Genus Proctonotus J. Alder, 1844 (PROCTONOTIDAE)
- zephyrina deppeana, Tristramia zephyrina deppeana E.C. Von Martens, 1863 - (HELICINIDAE)
- zephyrina dientensis, Tristramia zephyrina dientensis H.A. Pilsbry, 1903 - (HELICINIDAE)
- zephyrina elatior, Helicina zephyrina elatior E.C. Von Martens, 1890 - syn of: Tristramia elatior (E.C. Von Martens, 1890) - (HELICINIDAE)
- zephyrina excavatoangulata, Helicina zephyrina excavatoangulata E.C. Von Martens, 1890 - syn of: Tristramia turbinata (L. Pfeiffer, 1848) - (HELICINIDAE)
- ZEPHYRINIDAE - syn of Family: PROCTONOTIDAE
- zephyrium, Homalopoma zephyrium Y.F. Huang, C.C. Fu & G.T. Poppe, 2016 - (COLLONIIDAE)
- zephyrium, Epitonium zephyrium W.H. Dall, 1917 - (EPITONIIDAE)
- Zephyroceras, Genus Zephyroceras Kullmann , 1962 † (GLAPHYRITIDAE) (FOSSIL)
- zephyrus, Calagrassor zephyrus (K. Fraussen, J. Sellanes & P. Stahlschmidt, 2012) - (BUCCINIDAE)
- zephyrus, Cyclopecten zephyrus G. Grau, 1959 - (PROPEAMUSSIIDAE)
- zepyrulata, Archierato zepyrulata C.R. Laws, 1939 † - (TRIVIIDAE) (FOSSIL)
- Zeradina, Genus Zeradina H.J. Finlay, 1927 (VANIKORIDAE)
- Zerashanoceras, Genus Zerashanoceras Zhuravleva, 1978 † (ACTINOCERIDA (UNASSIGNED)) (FOSSIL)
- Zeravschanella, Genus Zeravschanella Lyashenko, 1969 † (PARANOWAKIIDAE) (FOSSIL)
- zeravshanicus, Pseudonapaeus zeravshanicus A.P. Pazylov & D. Daminova, 2001 - (ENIDAE)
- zerkalnensis, Parajuga zerkalnensis L.A. Prozorova & Y.I. Starobogatov, 2004 - (SEMISULCOSPIRIDAE)
- zermanica, Islamia zermanica P. Radoman, 1973 - (HYDROBIIDAE)
- zermanica, Belgrandiella zermanica P. Radoman, 1973 - (HYDROBIIDAE)
- zero, Macrochlamys zero (J.F. Mabille, 1887) - (ARIOPHANTIDAE)
- Zerotula, Genus Zerotula H.J. Finlay, 1927 (ZEROTULIDAE)
- ZEROTULIDAE Warén & Hain, 1996 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-LITTORINOIDEA [Superfamily])
- zerrenneri, Arca zerrenneri K.C. Schauroth, 1853 † - syn of: Parallelodon kingiana (de Verneuil, 1845 †) - (ARCIDAE) (FOSSIL)
- Zesolemya, syn of: Subgenus Solemya (Solemyarina) T. Iredale, 1931 (SOLEMYIDAE)
- Zesolemya, syn of: Genus Solemya J.B.P.A. Lamarck, 1818 (SOLEMYIDAE)
- zespina, Notosinister zespina C.R. Laws, 1939 † - syn of: Indoscaphites pavana (E. Forbes, 1846 †) - (TRIPHORIDAE) (FOSSIL)
- Zestoceras, Genus Zestoceras Tozer , 1994 † (TRACHYCERATIDAE) (FOSSIL)
- zesulcata, Costosyrnola zesulcata (P.A. Maxwell, 1988 †) - (PYRAMIDELLIDAE) (FOSSIL)
- zeta, Bithynia zeta P. Glöer & V.M. Pešic, 2007 - (BITHYNIIDAE)
- zeta, Paraesa zeta (W.P. Popenoe, 1937 †) - (VENERIDAE) (FOSSIL)
- zeta, Flaventia zeta W.P. Popenoe, 1937 † - syn of: Paraesa zeta (W.P. Popenoe, 1937 †) - (VENERIDAE) (FOSSIL)
- zetadidyma, Plagigeyeria zetaprotogona zetadidyma H. Schütt, 1960 - (HYDROBIIDAE)
- zetaevallis, Vinodolia zetaevallis (P. Radoman, 1973) - (HYDROBIIDAE)
- zetaprotogona, Plagigeyeria zetaprotogona H. Schütt, 1960 - (HYDROBIIDAE)
- zetaprotogona pageti, Plagigeyeria zetaprotogona pageti H. Schütt, 1961 - (HYDROBIIDAE)
- zetaprotogona vitoja, Plagigeyeria zetaprotogona vitoja A. Reischütz & P.L. Reischütz, 2008 - (HYDROBIIDAE)
- zetaprotogona zetadidyma, Plagigeyeria zetaprotogona zetadidyma H. Schütt, 1960 - (HYDROBIIDAE)
- zetaprotogona zetatridyma, Plagigeyeria zetaprotogona zetatridyma H. Schütt, 1960 - (HYDROBIIDAE)
- zetatridyma, Plagigeyeria zetaprotogona zetatridyma H. Schütt, 1960 - (HYDROBIIDAE)
- Zeteana, Genus Zeteana P. Glöer & V.M. Pešic, 2014 (HYDROBIIDAE)
- Zetekella, syn of: Genus Zetekina J.P.E. Morrison, 1947 (COCHLIOPIDAE)
- zeteki, Pomacea zeteki J.P.E. Morrison, 1946 - (AMPULLARIIDAE)
- zeteki, Barleeia zeteki A.M. Strong & L.G. Hertlein, 1939 - (BARLEEIIDAE)
- zeteki, Cochliopina zeteki J.P.E. Morrison, 1946 - (COCHLIOPIDAE)
- zeteki, Cylichnella zeteki P. Bartsch, 1918 - (CYLICHNIDAE)
- zeteki, Polymesoda zeteki H.A. Pilsbry, 1931 - syn of: Polymesoda notabilis (G.P. Deshayes, 1855) - (CYRENIDAE)
- zeteki, Mytilopsis zeteki L.G. Hertlein & G.D. Hanna, 1949 - syn of: Mytilopsis adamsi J.P.E. Morrison, 1946 - (DREISSENIDAE)
- zeteki, Detracia zeteki H.A. Pilsbry, 1920 - (ELLOBIIDAE)
- zeteki, Epitonium zeteki W.H. Dall, 1917 - (EPITONIIDAE)
- zeteki, Ernstia zeteki H.A. Pilsbry, 1930 - (EUCONULIDAE)
- zeteki, Murexsul zeteki (L.G. Hertlein & A.M. Strong, 1951) - (MURICIDAE)
- zeteki, Septifer zeteki L.G. Hertlein & A.M. Strong, 1946 - (MYTILIDAE)
- zeteki, Odostomia zeteki P. Bartsch, 1918 - (PYRAMIDELLIDAE)
- zeteki, Bankia zeteki P. Bartsch, 1921 - (TEREDINIDAE)
- Zetekia, Genus Zetekia W.H. Dall, 1918 (COLUMBELLIDAE)
- Zetekina, Genus Zetekina J.P.E. Morrison, 1947 (COCHLIOPIDAE)
- Zetela, Genus Zetela H.J. Finlay, 1927 (SOLARIELLIDAE)
- zetema, Subcancilla zetema A.M. Dekkers, M. Herrmann, G.T. Poppe & S.P. Tagaro, 2014 - (MITRIDAE)
- zetemia, Nisipyrgiscus zetemia (J.C. Melvill, 1910) - (PYRAMIDELLIDAE)
- zetemia, Pyrgiscilla zetemia J.C. Melvill, 1910 - syn of: Nisipyrgiscus zetemia (J.C. Melvill, 1910) - (PYRAMIDELLIDAE)
- Zetemina, syn of: Genus Papuina E.C. Von Martens, 1860 (CAMAENIDAE)
- zetes, Chartronella zetes d'Orbigny † - syn of: Chartronella digoniata A.E.M. Cossmann, 1902 † - (ATAPHRIDAE) (FOSSIL)
- zetes, Dentimargo zetes B. Roth, 1978 - syn of: Dentimargo zetetes B. Roth, 1978 - (MARGINELLIDAE)
- zetes, Zetoceras zetes (A.V.M.D. D'Orbigny, 1850 †) - (PHYLLOCERATIDAE) (FOSSIL)
- zetesios, Fowlerina zetesios J.P.L. Pelseneer, 1906 - (CLIONIDAE)
- zetetes, Dentimargo zetetes B. Roth, 1978 - (MARGINELLIDAE)
- Zethalia, Genus Zethalia H.J. Finlay, 1927 (TROCHIDAE)
- zetlandica, Aeolidia zetlandica E. Forbes & J. Goodsir, 1839 - syn of: Aeolidia papillosa (C. Linnaeus, 1761) - (AEOLIDIIDAE)
- zetlandica, Aldisa zetlandica (J. Alder & A. Hancock, 1854) - (CADLINIDAE)
- zetlandica, Doris zetlandica J. Alder & A. Hancock, 1854 - syn of: Aldisa zetlandica (J. Alder & A. Hancock, 1854) - (DORIDIDAE)
- zetlandica, Ondina warreni zetlandica J.T. Marshall, 1900 - (PYRAMIDELLIDAE)
- zetlandica, Alvania zetlandica (G. Montagu, 1815) - (RISSOIDAE)
- zetlandicus, Turbo zetlandicus G. Montagu, 1815 - (TURBINIDAE)
- zetlantica, Alvania zetlantica G. Montagu, 1815 - syn of: Alvania zetlandica (G. Montagu, 1815) - (RISSOIDAE)
- Zetoceras, Genus Zetoceras Kovacs , 1939 † (PHYLLOCERATIDAE) (FOSSIL)
- Zeugites, syn of: Genus Eohalobia Luo & al., 1982 † (HALKIERIIDAE) (FOSSIL)
- zeuneri, Diplozone zeuneri (F.A. Roemer, 1852 †) - (MURCHISONIIDAE) (FOSSIL)
- zeus, Ryssota zeus I.H. Jonas - (CHRONIDAE)
- zeus, Albinaria idaea zeus (L. Pfeiffer, 1850) - (CLAUSILIIDAE)
- zeus, Austrocochlea zeus (P. Fischer, 1874) - (TROCHIDAE)
- zeus bournsi, Ryssota zeus bournsi P. Bartsch, 1939 - (CHRONIDAE)
- zeus weberi, Ryssota zeus weberi P. Bartsch, 1939 - (CHRONIDAE)
- zeuschneri, Ceratites zeuschneri Klipstein, 1843 † - syn of: Trachyceras muensteri (Wissmann, 1841 †) - (CERATITIDAE) (FOSSIL)
- zeuschneri, Cerithium zeuschneri G.G. Pusch, 1837 † - (CERITHIIDAE) (FOSSIL)
- zeuschneri, Geomitra zeuschneri Klipstein, 1843 † - (HYGROMIIDAE) (FOSSIL)
- zeuschneri, Avicula zeuschneri Wissmann, 1841 † - (PTERIIDAE) (FOSSIL)
- zeuschneri letkesensis, Cerithium zeuschneri letkesensis Strausz † - (CERITHIIDAE) (FOSSIL)
- Zeusia, Genus Zeusia Korshunova, Zimina & Martynov, 2017 (AEOLIDIIDAE)
- zeuxippe, Microdrillia zeuxippe (W.H. Dall, 1919) - (BORSONIIDAE)
- zeuxippe, Taranis zeuxippe W.H. Dall, 1919 - syn of: Microdrillia zeuxippe (W.H. Dall, 1919) - (RAPHITOMIDAE)
- Zeuxis, syn of: Genus Nassarius Duméril, 1805 (NASSARIIDAE)
- zevitellina, Bellerato zevitellina (C.R. Laws, 1941 †) - (TRIVIIDAE) (FOSSIL)
- zevortii, Ancyloceras zevortii Sarkar, 1955 † - (ANCYLOCERATIDAE) (FOSSIL)
- Zexilia, syn of: Genus Exilia T.A. Conrad, 1860 (PTYCHATRACTIDAE)
- Zexilia, syn of: Genus Exilia T.A. Conrad, 1860 (PTYCHATRACTIDAE)
- Zexillia, syn of: Genus Exilia T.A. Conrad, 1860 (PTYCHATRACTIDAE)
- zeyheri, Alaginella zeyheri (C.F.F. von Krauss, 1852) - (MARGINELLIDAE)
- zeyheri, Purpura zeyheri C.F.F. von Krauss, 1852 - syn of: Nucella dubia (C.F.F. von Krauss, 1848) - (MURICIDAE)
- zeylandica, Babylonia zeylandica J.G. Bruguière, 1789 - syn of: Babylonia zeylanica (J.B.P.A. Lamarck, 1822) - (BABYLONIIDAE)
- zeylandicus, Acanthochiton zeylandicus J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Acanthochitona zelandica (J.R.C. Quoy & J.P. Gaimard, 1835) - (ACANTHOCHITONIDAE)
- zeylandicus, Conus zeylandicus J.F. Gmelin, 1791 - syn of: Puncticulis zeylanicus (J.F. Gmelin, 1791) - (CONIDAE)
- zeylanica, Babylonia zeylanica (J.B.P.A. Lamarck, 1822) - (BABYLONIIDAE)
- zeylanica, Semicassis labiata zeylanica (J.B.P.A. Lamarck, 1822) - (CASSIDAE)
- zeylanica, Gymnodoris zeylanica E.F. Kelaart, 1858 - syn of: Gymnodoris ceylonica (E.F. Kelaart, 1858) - (GYMNODORIDIDAE)
- zeylanica, Phyllidiella zeylanica (E.F. Kelaart, 1859) - (PHYLLIDIIDAE)
- zeylanica, Polycera zeylanica E.F. Kelaart, 1858 - (POLYCERIDAE)
- zeylanica, Cyclas zeylanica J.B.P.A. Lamarck, 1806 - syn of: Geloina erosa (J. Lightfoot, 1786) - (SPHAERIIDAE)
- zeylanicum, Buccinum zeylanicum J.G. Bruguière, 1789 - syn of: Babylonia zeylanica (J.B.P.A. Lamarck, 1822) - (BUCCINIDAE)
- zeylanicus, Puncticulis zeylanicus (J.F. Gmelin, 1791) - (CONIDAE)
- zeypheri, Marginella zeypheri C.F.F. von Krauss, 1848 - syn of: Alaginella zeyheri (C.F.F. von Krauss, 1852) - (MARGINELLIDAE)
- zhangi, Leiopteria zhangi Li, 1995 † - (PTERINEIDAE) (FOSSIL)
- zhangi, Trochus zhangi Z.Z. Dong, 2002 - (TROCHIDAE)
- zhangqingae, Fuchsiana zhangqingae Grego & Szekeres, 2017 - (CLAUSILIIDAE)
- zhangyii, Hemifusus zhangyii S. Kosuge, 2008 - (MELONGENIDAE)
- zhanjiangensis, Talonostrea zhanjiangensis (X. Wu, Q. Xiao & Z. Yu, 2013) - (OSTREIDAE)
- zhaoi, Pseudonuculana zhaoi Pojeta & al. 1986 † - (NUCULIDA (UNASSIGNED)) (FOSSIL)
- zhaoyifani, Distortiphaedusa zhaoyifani (J. Grego & M. Szekeres, 2008) - (CLAUSILIIDAE)
- zhaoyifani sigridae, Distortiphaedusa zhaoyifani sigridae H. Nordsieck, 2012 - (CLAUSILIIDAE)
- zhecseni, Fruticicola zhecseni (T.S. Rymzhanov, 1979) - (BRADYBAENIDAE)
- zheczeni, Fruticicola zheczeni T.S. Rymzhanov, 1979 - (BRADYBAENIDAE)
- zhejiangense, Acaroceras zhejiangense B.Z. Li, 1984 † - (ACAROCERATIDAE) (FOSSIL)
- zhejiangense, Zhuibianoceras zhejiangense B.Z. Li, 1984 † - (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- zhejiangense, Yanheceras zhejiangense B.Z. Li, 1984 † - (YANHECERIDA (UNASSIGNED)) (FOSSIL)
- zhejiangensis, Facelina zhejiangensis G.Y. Lin & Z. You, 1990 - (FACELINIDAE)
- zhejiangensis, Nakamuranaia zhejiangensis X.T. Ma, 1980 † - (NAKAMURANAIADIDAE) (FOSSIL)
- zhejiangensis, Phestia zhejiangensis H.X. Liu, 1976 † - (NUCULANIDAE) (FOSSIL)
- zhenbaensis, Inflatatheca zhenbaensis (Z.X. Qian, 1978 †) - (GAKIDAE) (FOSSIL)
- zhenbaensis, Paramicrocornus zhenbaensis Z.X. Qian & al., 2001 † - (LINEVITIDAE) (FOSSIL)
- zheni, Conassiminea zheni H. Fukuda & W.F. Ponder, 2006 - (ASSIMINEIDAE)
- zhenjiangensis, Leptochondria zhenjiangensis Li & al., 1982 † - (LEIOPECTINIDAE) (FOSSIL)
- Zhenxiongella, Genus Zhenxiongella Fang & Cope, 2008 † (CYCLOCONCHIDAE) (FOSSIL)
- Zhgentiana, Genus Zhgentiana A. W. Janssen, R. Janssen & van der Voort, 2015 † (KELLIELLIDAE) (FOSSIL)
- zhidkovae, Ciliatocardium zhidkovae A.I. Kafanov, 1994 † - (CARDIIDAE) (FOSSIL)
- zhidkovae, Corbicula zhidkovae A.I. Kafanov, 1997 † - (CYRENIDAE) (FOSSIL)
- zhidkovae, Variamussium zhidkovae Pronina, 1980 † - syn of: Propeamussium pillarense (Slodkewitsch, 1936 †) - (PROPEAMUSSIIDAE) (FOSSIL)
- Zhifangia, Genus Zhifangia Liu, 1980 † (UNIONIDA (UNASSIGNED)) (FOSSIL)
- zhijinensis, Loculitheca zhijinensis Z.X. Qian & Yin, 1984 † - (TURCUTHECIDAE) (FOSSIL)
- zhiltauense, Hemiliroceras zhiltauense Ruzhentsev & Shimanskiy, 1954 † - (LIROCERATIDAE) (FOSSIL)
- zhirmunskii, Anisus zhirmunskii L.A. Prozorova, 2003 - (PLANORBIDAE)
- zhongbaensis, Cyclolobus zhongbaensis Sheng, 1989 † - (CYCLOLOBIDAE) (FOSSIL)
- zhongguoense, Manticoceras zhongguoense F.S. Xu, 1977 † - (GEPHUROCERATIDAE) (FOSSIL)
- zhongguoense, Linwuceras zhongguoense F.S. Xu, 1977 † - (PSEUDOHALORITIDAE) (FOSSIL)
- zhongguoensis, Paraceltites zhongguoensis F.S. Xu, 1977 † - (PARACELTITIDAE) (FOSSIL)
- zhongguoensis, Ptychopteria zhongguoensis Zhang 1977 † - (PTERINEIDAE) (FOSSIL)
- Zhonghuaspira, syn of: Genus Guizhouspira Wang , 1980 † (GOSSELETINIDAE) (FOSSIL)
- zhonglingensis, Pernopecten zhonglingensis F.S. Xu, 1980 † - syn of: Pernopecten zhutangensis S.Y. Feng & al., 1992 † - (PERNOPECTINIDAE) (FOSSIL)
- Zhonglupuceras, Genus Zhonglupuceras Zhou , 1985 † (PSEUDOHALORITIDAE) (FOSSIL)
- zhongshengongensis, Pteronites zhongshengongensis C.C. Lu, 1986 † - (PINNIDAE) (FOSSIL)
- zhongyingensis, Aviculopecten zhongyingensis F.S. Xu, 1980 † - syn of: Aviculopecten yunnanensis H. Guo, 1985 † - (AVICULOPECTINIDAE) (FOSSIL)
- zhongyingensis, Streblochondria zhongyingensis F.S. Xu, 1980 † - syn of: Streblochondria winsnesi Nakazawa, 1999 † - (STREBLOCHONDRIIDAE) (FOSSIL)
- zhongyingensis, Pseudotemnocheilus zhongyingensis Zheng, 1984 † - (TAINOCERATIDAE) (FOSSIL)
- zhongzaiensis, Claraia zhongzaiensis J.X. Gao & al., 2009 † - (PTERINOPECTINIDAE) (FOSSIL)
- zhongzhaiensis, Polygyrina zhongzhaiensis He & al., 2008 † - (POLYGYRINIDAE) (FOSSIL)
- zhorquiensis, Drymaeus zhorquiensis G.F. Angas, 1879 - syn of: Drymaeus zhorquinensis (G.F. Angas, 1879) - (BULIMULIDAE)
- zhorquinensis, Drymaeus zhorquinensis (G.F. Angas, 1879) - (BULIMULIDAE)
- zhorquinensis, Oxychona zhorquinensis G.F. Angas, 1879 - syn of: Leptarionta zhorquinensisis (G.F. Angas, 1879) - (BULIMULIDAE)
- zhorquinensis, Helix zhorquinensis G.F. Angas, 1879 - syn of: Leptarionta zhorquinensisis (G.F. Angas, 1879) - (HELICIDAE)
- zhorquinensis, Leptarionta zhorquinensis G.F. Angas, 1879 - syn of: Leptarionta zhorquinensisis (G.F. Angas, 1879) - (XANTHONYCHIDAE)
- zhorquinensisis, Leptarionta zhorquinensisis (G.F. Angas, 1879) - (XANTHONYCHIDAE)
- Zhuibianoceras, Genus Zhuibianoceras Chen & Qi, 1979 † (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- zhujiazhuangensis, Nakamuranaia zhujiazhuangensis Ding, 1982 † - (NAKAMURANAIADIDAE) (FOSSIL)
- zhuozishanensis, Maclurites zhuozishanensis Yü, 1961 † - (MACLURITIDAE) (FOSSIL)
- zhuozishanensis, Palliseria zhuozishanensis (Yü, 1961 †) - (MACLURITIDAE) (FOSSIL)
- zhuozishanensis, Zhuozishanospira zhuozishanensis Yü, 1961 † - syn of: Palliseria zhuozishanensis (Yü, 1961 †) - (MACLURITIDAE) (FOSSIL)
- Zhuozishanospira, Genus Zhuozishanospira Yü, 1961 † (MACLURITIDAE) (FOSSIL)
- Zhuralevia, syn of: Genus Zhuravlevia Doguzhaeva, 1995 † (GEISONOCERATIDAE) (FOSSIL)
- zhuravlevae, Ventrobalashovia zhuravlevae Kröger, 2008 † - (KAROCERATIDAE) (FOSSIL)
- zhuravlevae, Holmitheca zhuravlevae A.V. Sysoev, 1968 † - (TETRATHECIDAE) (FOSSIL)
- Zhuravlevia, Genus Zhuravlevia Doguzhaeva, 1995 † (GEISONOCERATIDAE) (FOSSIL)
- Zhusilengospira, Genus Zhusilengospira Pan & Cook, 2003 † (LUCIELLIDAE) (FOSSIL)
- zhutangensis, Pernopecten zhutangensis S.Y. Feng & al., 1992 † - (PERNOPECTINIDAE) (FOSSIL)
- zhuzhouensis, Euchondrioides zhuzhouensis Y. Fang, 1987 † - (EUCHONDRIIDAE) (FOSSIL)
- ziaratana, Pupilla ziaratana B.M. Pokryszko, K. Auffenberg & al., 2009 - (PUPILLIDAE)
- Ziba, Genus Ziba H. Adams & A. Adams, 1853 (MITRIDAE)
- zibethina, Discodoris zibethina (L.S.R. Bergh, 1878) - (DISCODORIDIDAE)
- zibinica, Alvania zibinica D. Pantanelli, 1888 † - (RISSOIDAE) (FOSSIL)
- zibrowii, Neopycnodonte zibrowii S. Gofas, C. Salas & M. Taviani, 2009 - (GRYPHAEIDAE)
- zibrowii, Hyalogyra zibrowii A. Warén, 1997 - (HYALOGYRINIDAE)
- Zichomphalina, syn of: Genus Ptychomphalina Fischer , 1885 † (PTYCHOMPHALIDAE) (FOSSIL)
- ziczac, Aturia ziczac J. de C. Sowerby, 1812 † - syn of: Aturoidea ziczac (J. de C. Sowerby, 1812 †) - (ATURIIDAE) (FOSSIL)
- ziczac, Drymaeus ziczac S.I. Da Costa, 1898 - (BULIMULIDAE)
- ziczac, Bullina ziczac J.K. Megerle Von Mühlfeld, 1818 - syn of: Bullina lineata (J.E. Gray, 1825) - (BULLINIDAE)
- ziczac, Phenacohelix ziczac (A.A. Gould, 1846) - (CHAROPIDAE)
- ziczac, Poremskiconus ziczac (J.K. Megerle Von Mühlfeld, 1816) - (CONIDAE)
- ziczac, Bathytormus ziczac (L.A. Reeve, 1842) - (CRASSATELLIDAE)
- ziczac, Cylichna ziczac (J.K. Megerle Von Mühlfeld, 1818) - (CYLICHNIDAE)
- ziczac, Palmadusta ziczac (C. Linnaeus, 1758) - (CYPRAEIDAE)
- ziczac, Naticopsis ziczac R.P. Whitfield, 1882 † - (DELPHINULOPSIDAE) (FOSSIL)
- ziczac, Cymatosyrinx ziczac Gardner, 1948 † - (DRILLIIDAE) (FOSSIL)
- ziczac, Elachisina ziczac H. Fukuda & Ekawa, 1997 - syn of: Nozeba ziczac (H. Fukuda & Ekawa, 1997) - (ELACHISINIDAE)
- ziczac, Promathildia ziczac (Eudes-Deslongchamps, 1843 †) - (GORDENELLIDAE) (FOSSIL)
- ziczac, Haliotis ziczac L.A. Reeve, 1846 - syn of: Haliotis glabra J.F. Gmelin, 1791 - (HALIOTIDAE)
- ziczac, Pleuropoma ziczac (W.H. Pease, 1868) - (HELICINIDAE)
- ziczac, Aturoidea ziczac (J. de C. Sowerby, 1812 †) - (HERCOGLOSSIDAE) (FOSSIL)
- ziczac, Nozeba ziczac (H. Fukuda & Ekawa, 1997) - (IRAVADIIDAE)
- ziczac, Echinolittorina ziczac (J.F. Gmelin, 1791) - (LITTORINIDAE)
- ziczac, Clathrobaculus ziczac (Eudes-Deslongchamps, 1842 †) - (MATHILDIDAE) (FOSSIL)
- ziczac, Pagodula ziczac (R. Tiba, 1981) - (MURICIDAE)
- ziczac, Mytilus ziczac H.E. Anton, 1838 - syn of: Musculus impactus (J. Hermann, 1782) - (MYTILIDAE)
- ziczac, Musculus ziczac H.E. Anton, 1838 - syn of: Musculus impactus (J. Hermann, 1782) - (MYTILIDAE)
- ziczac, Natica ziczac P.F. Röding, 1798 - syn of: Natica fulminea (J.F. Gmelin, 1791) - (NATICIDAE)
- ziczac, Nautilus ziczac J. de C. Sowerby, 1812 † - syn of: Aturoidea ziczac (J. de C. Sowerby, 1812 †) - (NAUTILIDAE) (FOSSIL)
- ziczac, Vittina ziczac (J.B.P.A. Lamarck, 1816) - (NERITIDAE)
- ziczac, Neritina ziczac Auct. non J.B.P.A. Lamarck, 1822 - syn of: Vittina coromandeliana (G.B. II Sowerby, 1832) - (NERITIDAE)
- ziczac, Orthalicus pulchellus ziczac (J.B.P.A. Lamarck, 1822) - (ORTHALICIDAE)
- ziczac, Euvola ziczac (C. Linnaeus, 1758) - (PECTINIDAE)
- ziczac, Archiminolia ziczac (J.T. Kuroda & T. Habe, 1971) - (SOLARIELLIDAE)
- ziczac, Trochus ziczac J.F. Gmelin, 1791 - syn of: Echinolittorina ziczac (J.F. Gmelin, 1791) - (TROCHIDAE)
- ziczac, Protapes ziczac (C. Linnaeus, 1758) - (VENERIDAE)
- ziczac, Venus ziczac C. Linnaeus, 1758 - syn of: Protapes ziczac (C. Linnaeus, 1758) - (VENERIDAE)
- ziczac, Venus ziczac J.S. Pearse, 1936 - syn of: Mercenaria mercenaria (C. Linnaeus, 1758) - (VENERIDAE)
- ziczac, Voluta ziczac J.K. Megerle Von Mühlfeld, 1818 - syn of: Bullina lineata (J.E. Gray, 1825) - (VOLUTIDAE)
- ziczac, Volutomitra ziczac P. Bouchet & Y.I. Kantor, 2004 - (VOLUTOMITRIDAE)
- ziczac archetypus, Poremskiconus ziczac archetypus (J.C.H. Crosse, 1865) - (CONIDAE)
- ziczac cargilei, Poremskiconus ziczac cargilei J. Coltro, 2004 - syn of: Poremskiconus cargilei (J. Coltro, 2004) - (CONIDAE)
- ziczac interrupta, Echinolittorina ziczac interrupta C.B. Adams in R.A. Philippi, 1847 - syn of: Echinolittorina interrupta (R.A. Philippi, 1847) - (LITTORINIDAE)
- ziczac interstitialis, Vittina ziczac interstitialis (E.C. Von Martens, 1877) - (NERITIDAE)
- ziczac misella, Palmadusta ziczac misella (G. Perry, 1811) - (CYPRAEIDAE)
- ziczac signata, Palmadusta ziczac signata T. Iredale, 1939 - (CYPRAEIDAE)
- ziczac undata, Palmadusta ziczac undata (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- ziczac vittata, Palmadusta ziczac vittata (G.P. Deshayes, 1831) - (CYPRAEIDAE)
- ziczag, Parengonoceras ziczag Breistroffer, 1952 † - (KNEMICERATIDAE) (FOSSIL)
- ziczag, Pecten ziczag C. Linnaeus, 1758 - syn of: Euvola ziczac (C. Linnaeus, 1758) - (PECTINIDAE)
- zidensis, Gigantocyclus zidensis Termier & Termier, 1977 † - (LUCINIDAE) (FOSSIL)
- Zidona, Genus Zidona H. Adams & A. Adams, 1853 (VOLUTIDAE)
- zidora, Pyrgulina zidora J.C. Melvill, 1910 - (PYRAMIDELLIDAE)
- ziegleri, Drymaeus ziegleri (L. Pfeiffer, 1847) - (BULIMULIDAE)
- ziegleri, Herilla ziegleri (H.C. Küster, 1847) - (CLAUSILIIDAE)
- ziegleri, Kosicia ziegleri (E.A. Rossmässler, 1836) - (HELICIDAE)
- ziegleri, Paranowakia ziegleri Alberti, 1983 † - (PARANOWAKIIDAE) (FOSSIL)
- ziegleri accedens, Herilla ziegleri accedens (O.F. von Möllendorff, 1873) - (CLAUSILIIDAE)
- ziegleri amaliae, Herilla ziegleri amaliae J. Urbanski, 1973 - (CLAUSILIIDAE)
- ziegleri costulifera, Herilla ziegleri costulifera (O.F. von Möllendorff, 1873) - (CLAUSILIIDAE)
- ziegleri dacica, Herilla ziegleri dacica (L. Pfeiffer, 1848) - (CLAUSILIIDAE)
- ziegleri discreta, Herilla ziegleri discreta (A.J. Wagner, 1915) - (CLAUSILIIDAE)
- ziegleri edlaueri, Herilla ziegleri edlaueri H. Nordsieck, 1974 - (CLAUSILIIDAE)
- ziegleri jaeckeli, Herilla ziegleri jaeckeli H. Nordsieck, 1971 - (CLAUSILIIDAE)
- ziegleri klemmi, Herilla ziegleri klemmi H. Nordsieck, 1971 - (CLAUSILIIDAE)
- ziegleri limana, Herilla ziegleri limana O. Böttger, 1909 - (CLAUSILIIDAE)
- ziegleri ljubicnicensis, Herilla ziegleri ljubicnicensis (A.J. Wagner, 1915) - (CLAUSILIIDAE)
- ziegleri neglecta, Herilla ziegleri neglecta (K. Brancsik, 1888) - (CLAUSILIIDAE)
- ziegleri perfecta, Herilla ziegleri perfecta (A.J. Wagner, 1915) - (CLAUSILIIDAE)
- ziegleri rascana, Herilla ziegleri rascana (A.J. Wagner, 1919) - (CLAUSILIIDAE)
- ziegleri tarensis, Herilla ziegleri tarensis P.S. Pavlovic, 1912 - (CLAUSILIIDAE)
- ziegleri zabuljensis, Herilla ziegleri zabuljensis (A.J. Wagner, 1912) - (CLAUSILIIDAE)
- zierenbergi, Xylophaga zierenbergi J.R. Voight, 2007 - (XYLOPHAGAIDAE)
- Zierliana, syn of: Genus Vexillum P.F. Röding, 1798 (COSTELLARIIDAE)
- ziervogeliana, Cancellaria ziervogeliana J.B.P.A. Lamarck, 1822 - syn of: Vexillum ziervogelii (J.F. Gmelin, 1791) - (CANCELLARIIDAE)
- ziervogeliana, Zierliana ziervogeliana J.B.P.A. Lamarck, 1822 - syn of: Vexillum ziervogelii (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- ziervogelii, Vexillum ziervogelii (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- ziervogelii, Zenepos ziervogelii (J.F. Gmelin, 1791) - (RAPHITOMIDAE)
- ziervogelii, Voluta ziervogelii J.F. Gmelin, 1791 - syn of: Vexillum ziervogelii (J.F. Gmelin, 1791) - (VOLUTIDAE)
- zieteneus, Pecten zieteneus Buvignier, 1852 † - syn of: Camptonectes auritus (Schlotheim, 1813 †) - (PECTINIDAE) (FOSSIL)
- zieteni, Parapassaloteuthis zieteni Mayer-Eymar, 1884 † - (PASSALOTEUTHIDIDAE) (FOSSIL)
- zieteni, Katosira zieteni (F.A. von Quenstedt, 1851 †) - (SETTSASSIIDAE) (FOSSIL)
- Zieteniceras, Subgenus Hecticoceras (Zieteniceras) Zeiss, 1956 (OPPELIIDAE) (FOSSIL)
- zietenii, Melania zietenii Klipstein, 1843 † - syn of: Coelostylina cochlea (Münster, 1841 †) - (THIARIDAE) (FOSSIL)
- zietsmani, Afrozoila zietsmani (W. Liltved & C. Roux, 1988 †) - (CYPRAEIDAE) (FOSSIL)
- zietzi, Calliostoma zietzi J.C. Verco, 1905 - (CALLIOSTOMATIDAE)
- ziga, Rissoa ziga A. De Gregorio, 1890 † - (RISSOIDAE) (FOSSIL)
- zignana, Medeella zignana (A. Pirona, 1869 †) - (RADIOLITIDAE) (FOSSIL)
- zigni, Digitolabrum zigni (A. De Gregorio, 1880 †) - (APORRHAIDAE) (FOSSIL)
- zignodianum, Holcophylloceras zignodianum (A.V.M.D. D'Orbigny, 1848 †) - (PHYLLOCERATIDAE) (FOSSIL)
- zignoi, Cenoceras zignoi (C. Gemmellaro, 1886 †) - (CENOCERATIDAE) (FOSSIL)
- zignoi, Nautilus zignoi C. Gemmellaro, 1886 † - syn of: Cenoceras zignoi (C. Gemmellaro, 1886 †) - (NAUTILIDAE) (FOSSIL)
- zigzac, Planutenia zigzac (Parkhaev, 2001 †) - (STENOTHECIDAE) (FOSSIL)
- zigzac, Aequiconus zigzac Parkhaev, 2001 † - syn of: Planutenia zigzac (Parkhaev, 2001 †) - (STENOTHECIDAE) (FOSSIL)
- zigzag, Bochianites zigzag Etayo-Serna, 1985 † - (BOCHIANITIDAE) (FOSSIL)
- zigzag, Eatoniella zigzag W.F. Ponder & H.W. Worsfold, 1994 - (EATONIELLIDAE)
- zigzag, Pleuropoma zigzag W.H. Pease, 1868 - syn of: Pleuropoma ziczac (W.H. Pease, 1868) - (HELICINIDAE)
- zigzag, Nodilittorina zigzag D'Orbigny, 1841 - syn of: Echinolittorina ziczac (J.F. Gmelin, 1791) - (LITTORINIDAE)
- zigzag, Plaxiphora zigzag F.W. Hutton, 1872 - syn of: Plaxiphora caelata (L.A. Reeve, 1847) - (MOPALIIDAE)
- zigzag, Nautilus zigzag J. de C. Sowerby, 1812 † - syn of: Aturoidea ziczac (J. de C. Sowerby, 1812 †) - (NAUTILIDAE) (FOSSIL)
- zigzag, Poteria zigzag (E. Chitty, 1857) - (NEOCYCLOTIDAE)
- zigzag, Vittina zigzag J.B.P.A. Lamarck, 1816 - syn of: Vittina ziczac (J.B.P.A. Lamarck, 1816) - (NERITIDAE)
- zigzag, Oliva zigzag P.L. Duclos, 1835 - syn of: Olivella minuta (J.H.F. Link, 1807) - (OLIVIDAE)
- zigzag, Oliva elegans zigzag G. Perry, 1811 - (OLIVIDAE)
- zigzag, Phasianella zigzag N.H. Odhner, 1919 - (PHASIANELLIDAE)
- zigzag, Alpinites zigzag Becker, 2002 † - (POSTTORNOCERATIDAE) (FOSSIL)
- zigzagcostatus, Durangites zigzagcostatus Cantu-Chapa, 2006 † - (HIMALAYITIDAE) (FOSSIL)
- Zigzagiceras, Genus Zigzagiceras Buckman, 1902 † (PERISPHINCTIDAE) (FOSSIL)
- zihoricum, Coilopoceras zihoricum Parnes, 1964 † - (COILOPOCERATIDAE) (FOSSIL)
- zijpi, Megastomia zijpi (J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998) - (PYRAMIDELLIDAE)
- zijpi, Odostomia zijpi J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998 - syn of: Megastomia zijpi (J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998) - (PYRAMIDELLIDAE)
- zikkurat, Costellaria zikkurat H. Turner, 2000 - (COSTELLARIIDAE)
- Zikkuratia, Genus Zikkuratia Sohl, 1963 † (ACTEOCINIDAE) (FOSSIL)
- Zilchena, Subgenus Sphincterochila (Zilchena) L. Forcart, 1972 (SPHINCTEROCHILIDAE)
- zilchi, Deroceras zilchi A.V. Grossu, 1969 - (AGRIOLIMACIDAE)
- zilchi, Aeropictus zilchi A.S.H. Breure, 1977 - syn of: Aeropictus succineoides zilchi A.S.H. Breure, 1977 - (AMPHIBULIMIDAE)
- zilchi, Aeropictus succineoides zilchi A.S.H. Breure, 1977 - (AMPHIBULIMIDAE)
- zilchi, Assiminea zilchi R.A.M. Brandt, 1974 - (ASSIMINEIDAE)
- zilchi, Bostryx zilchi W.K. Weyrauch, 1958 - (BULIMULIDAE)
- zilchi, Drymaeus zilchi F. Haas, 1955 - (BULIMULIDAE)
- zilchi, Kuschelenia culminea zilchi W.K. Weyrauch, 1967 - (BULIMULIDAE)
- zilchi, Albinaria zilchi W.A. Fauer, 1993 - (CLAUSILIIDAE)
- zilchi, Macedonica zilchi J. Urbanski, 1960 - (CLAUSILIIDAE)
- zilchi, Montenegrina zilchi H. Nordsieck, 1974 - (CLAUSILIIDAE)
- zilchi, Cristataria zilchi H. Nordsieck, 1971 - (CLAUSILIIDAE)
- zilchi, Temesa zilchi W.K. Weyrauch, 1963 - (CLAUSILIIDAE)
- zilchi, Hemiphaedusa pluviatilis zilchi H. Nordsieck, 2001 - (CLAUSILIIDAE)
- zilchi, Clivunella zilchi H. Schütt, 1976 † - (CLAVATULIDAE) (FOSSIL)
- zilchi, Puisseguria zilchi W.R. Schlickum, 1975 † - (ELONIDAE) (FOSSIL)
- zilchi, Turanena zilchi E. Gittenberger & H.P.M.G. Menkhorst, 1993 - (ENIDAE)
- zilchi, Thoanteus zilchi B. Hausdorf, 1993 - (ENIDAE)
- zilchi, Epiphragmophora zilchi (W.K. Weyrauch, 1960) - (EPIPHRAGMOPHORIDAE)
- zilchi, Nematurella zilchi W.R. Schlickum, 1960 † - (HYDROBIIDAE) (FOSSIL)
- zilchi, Belgrandia zilchi F. Settepassi, 1965 - (HYDROBIIDAE)
- zilchi, Pyrgorientalia zilchi (H. Schütt, 1964) - (HYDROBIIDAE)
- zilchi, Cernuella zilchi R.A.M. Brandt, 1959 - (HYGROMIIDAE)
- zilchi, Pholeoteras zilchi P. Subai, 1993 - (LAURIIDAE)
- zilchi, Limax zilchi A.V. Grossu & D. Lupu, 1960 - syn of: Limax cinereoniger J. Wolf in T. Sturm, 1803 - (LIMACIDAE)
- zilchi, Hausdorfia zilchi J. Urbanski, 1960 - (ORCULIDAE)
- zilchi, Stenostylus zilchi W.K. Weyrauch, 1956 - (ORTHALICIDAE)
- zilchi, Oxychilus zilchi F. Riedel, 1984 - (OXYCHILIDAE)
- zilchi, Hubendickia zilchi R.A.M. Brandt, 1968 - (POMATIOPSIDAE)
- zilchi, Vitrea zilchi I. Pintér, 1972 - (PRISTILOMATIDAE)
- zilchi, Wayampia zilchi (W.K. Weyrauch, 1967) - (SCOLODONTIDAE)
- zilchi, Dosinia zilchi E. Fischer-Piette & D. Delmas, 1967 - syn of: Dosinia physema A. Römer, 1870 - (VENERIDAE)
- zilchi compactus, Bostryx zilchi compactus W.K. Weyrauch, 1960 - (BULIMULIDAE)
- zilchi glomeratus, Bostryx zilchi glomeratus W.K. Weyrauch, 1960 - (BULIMULIDAE)
- zilchianus, Gyraulus zilchianus T.C. Yen, 1939 - (PLANORBIDAE)
- Zilchiella, Genus Zilchiella W.K. Weyrauch, 1957 (CLAUSILIIDAE)
- Zilchiola, Genus Zilchiola Kadolsky, 1993 † (RISSOOIDEA (UNASSIGNED)) (FOSSIL)
- Zilchistrophia, Genus Zilchistrophia W.K. Weyrauch, 1960 (SCOLODONTIDAE)
- Zilchogyra, Genus Zilchogyra W.K. Weyrauch, 1965 (HELICODISCIDAE)
- Zilchulus, Genus Zilchulus J.W. Thomé, 1976 (VERONICELLIDAE)
- zilimensis, Stagonites zilimensis P.A. Zhuravleva, 1972 † - syn of: Raphanites bogoslovskyi (P.A. Zhuravleva, 1972 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- ziliolii, Cerithiopsidella ziliolii A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- ziliolii, Joculator ziliolii A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- ziliolii, Alvania ziliolii M.M. Brunetti & G. Vecchi, 2012 † - (RISSOIDAE) (FOSSIL)
- zilpha, Mitra zilpha W.H. Dall, 1927 - syn of: Mitromorpha zilpha (W.H. Dall, 1927) - (MITRIDAE)
- zilpha, Mitromorpha zilpha (W.H. Dall, 1927) - (MITROMORPHIDAE)
- zimara, Cymatium zimara T. Iredale, 1929 - syn of: Monoplex exaratus (L.A. Reeve, 1844) - (RANELLIDAE)
- zimini, Mianwaliites zimini Zakharov & Smyshlyaeva, 2013 † - (PALAEOPHYLLITIDAE) (FOSSIL)
- zimini, Arsenievinaia zimini F. Zatrawkin & V.V. Bogatov, 1987 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- zimmeri, Sinezona zimmeri D.L. Geiger, 2003 - (SCISSURELLIDAE)
- zimmermani, Taireva zimmermani C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- zimmermanni, Murchisonia zimmermanni Heidelberger & Koch, 2005 † - (MURCHISONIIDAE) (FOSSIL)
- zimmermanni, Sylvestria zimmermanni Heidelberger & Koch, 2005 † - (OMPHALOTROCHIDAE) (FOSSIL)
- zimmermanni, Gemmula zimmermanni (R.A. Philippi, 1847 †) - (TURRIDAE) (FOSSIL)
- Zinatella, syn of: Genus Linatella J.E. Gray, 1857 (RANELLIDAE)
- zinboi, Pyrgiscus zinboi (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- zinboi, Pyrgiscilla zinboi S. Nomura, 1936 - syn of: Pyrgiscus zinboi (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- zinboi, Turritella zinboi F.S. MacNeil, 1960 † - (TURRITELLIDAE) (FOSSIL)
- zingarensis, Drymaeus zingarensis B.L. Restrepo & A.S.H. Breure, 1987 - (BULIMULIDAE)
- zingiber, Retizafra zingiber K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- Zingis, Genus Zingis E.C. Von Martens, 1878 (UROCYCLIDAE)
- zinhoi, Africonus zinhoi T. Cossignani, 2014 - (CONIDAE)
- zinkeni, Platyceras zinkeni A. Römer, 1843 † - (PLATYCERATIDAE) (FOSSIL)
- zinkeni, Trochus zinkeni Klipstein, 1843 † - (TROCHIDAE) (FOSSIL)
- zinnigasensis, Mercuria zinnigasensis M. Paulucci, 1882 - syn of: Mercuria zopissa (M. Paulucci, 1882) - (HYDROBIIDAE)
- Zinolia, Subgenus Capulus (Zinolia) Issel, 1922 † (CAPULIDAE) (FOSSIL)
- Zinsitys, Genus Zinsitys Saul, 1988 † (PERISSITYIDAE) (FOSSIL)
- zinsmeisteri, Gaimardia zinsmeisteri A.G. Beu, 2009 † - (GAIMARDIIDAE) (FOSSIL)
- zinsmeisteri, Panopea zinsmeisteri Chiesa & Camacho, 2001 † - (HIATELLIDAE) (FOSSIL)
- zinsmeisteri, Stramonita zinsmeisteri DeVries, 2007 † - (MURICIDAE) (FOSSIL)
- zinsmeisteri, Pyropsis zinsmeisteri J.D. Stilwell, 1993 † - (PERISSITYIDAE) (FOSSIL)
- zinsmeisteri, Syrnola zinsmeisteri J.D. Stilwell 1993 - (PYRAMIDELLIDAE)
- zinsmeisteri, Psephaea zinsmeisteri J.D. Mount, 1976 † - (VOLUTIDAE) (FOSSIL)
- ziodon, Zygomelon ziodon M.G. Harasewych & B.A. Marshall, 1995 - syn of: Zygomelon zodion M.G. Harasewych & B.A. Marshall, 1995 - (VOLUTIDAE)
- ziona, Plagiostoma ziona Imlay, 1964 † - (LIMIDAE) (FOSSIL)
- zionensis, Orthonema zionensis A. Nützel, 1998 † - (ORTHONEMATIDAE) (FOSSIL)
- zionis, Physa zionis H.A. Pilsbry, 1926 - (PHYSIDAE)
- ziphocostatus, Acanthopecten ziphocostatus H.X. Liu, 1976 † - (LIMIPECTINIDAE) (FOSSIL)
- ziphus, Xipheroceras ziphus (Zieten, 1830 †) - (EODEROCERATIDAE) (FOSSIL)
- zipkasae, Histoctopus zipkasae M.D. Norman, R. Boucher-Rodoni & F.G. Hochberg, 2009 - (OCTOPODIDAE)
- zippei, Monachoides zippei (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (HYGROMIIDAE) (FOSSIL)
- Zippora, syn of: Genus Rissoa M. Freminville in A.G. Desmarest, 1814 (RISSOIDAE)
- zircensis, Zircia zircensis J. Szabo, 1981 † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Zircia, Genus Zircia Szabo , 1981 † (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- zirettoensis, Schafbergia zirettoensis Gatto & Monari, 2010 † - (GORDENELLIDAE) (FOSSIL)
- Zirfaea, Genus Zirfaea J.E. Gray, 1842 (PHOLADIDAE)
- Zirlona, Genus Zirlona Finlay, 1930 † (PHOLADIDAE) (FOSSIL)
- Zirphaea, syn of: Genus Zirfaea J.E. Gray, 1842 (PHOLADIDAE)
- zischkai, Pomacea zischkai (W. Blume & T. Pain, 1952) - (AMPULLARIIDAE)
- zischkai, Columbinia zischkai W.K. Weyrauch, 1956 - (CLAUSILIIDAE)
- zitanensis, Theba zitanensis J.R. Bourguignat - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- zitanica, Cernuella zitanica A. Letourneux & J.R. Bourguignat, 1887 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- zitelli, Septimaniceras zitelli (Oppel †) - (DACTYLIOCERATIDAE) (FOSSIL)
- zitteli, Ancyloceras zitteli (Uhlig, 1883 †) - (ANCYLOCERATIDAE) (FOSSIL)
- zitteli, Pararcestes zitteli Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- zitteli, Austrofusus zitteli (H.H. Suter, 1914 †) - (BUCCINIDAE) (FOSSIL)
- zitteli, Sellaea zitteli Di Stefano, 1889 † - (CAPRINULIDAE) (FOSSIL)
- zitteli, Ophionautilus zitteli (C. Gemmellaro, 1886 †) - (CENOCERATIDAE) (FOSSIL)
- zitteli, Trypanostylus zitteli E.A.L. Kittl, 1894 † - (COELOSTYLINIDAE) (FOSSIL)
- zitteli, Omphaloptycha zitteli Böhm, 1895 † - (COELOSTYLINIDAE) (FOSSIL)
- zitteli, Crioceras zitteli Uhlig, 1883 † - syn of: Ancyloceras zitteli (Uhlig, 1883 †) - (CRIOCERATITIDAE) (FOSSIL)
- zitteli, Septimaniceras zitteli (Oppel, 1865 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- zitteli, Collina zitteli Oppel, 1865 † - syn of: Septimaniceras zitteli (Oppel, 1865 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- zitteli, Naticopsis zitteli E.A.L. Kittl, 1892 † - syn of: Fedaiella neritacea (Münster, 1841 †) - (DELPHINULOPSIDAE) (FOSSIL)
- zitteli, Rhacophyllites zitteli Mojsisovics, 1902 † - (DISCOPHYLLITIDAE) (FOSSIL)
- zitteli, Cirsotrema zitteli P.A. Maxwell, 1992 † - (EPITONIIDAE) (FOSSIL)
- zitteli, Gastrioceras zitteli C. Gemmellaro, 1887 † - syn of: Altudoceras zitteli (C. Gemmellaro, 1887 †) - (GASTRIOCERATIDAE) (FOSSIL)
- zitteli, Pseudolissoceras zitteli (Burckhardt, 1903 †) - (HAPLOCERATIDAE) (FOSSIL)
- zitteli, Theba geminata zitteli (A. Mousson, 1857) - (HELICIDAE)
- zitteli, Prososthenia zitteli Lörenthey, 1902 † - (HYDROBIIDAE) (FOSSIL)
- zitteli, Micromelania zitteli (Schwartz von Mohrenstern, 1864 †) - (HYDROBIIDAE) (FOSSIL)
- zitteli, Heterochiton zitteli (Scalia, 1903 †) - (ISCHNOCHITONIDAE) (FOSSIL)
- zitteli, Limopsis zitteli H.F.A. von Ihering, 1907 † - (LIMOPSIDAE) (FOSSIL)
- zitteli, Euphenax zitteli (Mayer-Eymar) † - (MALLEIDAE) (FOSSIL)
- zitteli, Owenites zitteli Smith, 1932 † - syn of: Owenites koeneni A. Hyatt & Smith, 1905 † - (MELAGATHICERATIDAE) (FOSSIL)
- zitteli, Melanopsis zitteli M. von Neumayr, 1869 † - (MELANOPSIDAE) (FOSSIL)
- zitteli, Tugonia zitteli Oppenheim 1906 † - (MYIDAE) (FOSSIL)
- zitteli, Nautilus zitteli C. Gemmellaro, 1886 † - syn of: Ophionautilus zitteli (C. Gemmellaro, 1886 †) - (NAUTILIDAE) (FOSSIL)
- zitteli, Oliva zitteli A. Fuchs, 1870 † - syn of: Anazola clavula (J.B.P.A. Lamarck, 1810 †) - (OLIVIDAE) (FOSSIL)
- zitteli, Mazapilites zitteli Burckhardt, 1906 † - (OPPELIIDAE) (FOSSIL)
- zitteli, Altudoceras zitteli (C. Gemmellaro, 1887 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- zitteli, Camptochlamys zitteli Wohrmann & E.F.R.K. Koken, 1892 † - (PECTINIDAE) (FOSSIL)
- zitteli, Pleurotomaria zitteli Holzapfel, 1882 † - (PLEUROTOMARIIDAE) (FOSSIL)
- zitteli, Tropidoceras zitteli Fucini, 1899 † - (POLYMORPHITIDAE) (FOSSIL)
- zitteli, Propeamussium zitteli (F.W. Hutton, 1873 †) - (PROPEAMUSSIIDAE) (FOSSIL)
- zitteli, Lapeirousia zitteli J.H.F. Douvillé, 1913 † - (RADIOLITIDAE) (FOSSIL)
- zitteli, Spiniloma zitteli (Retowsky, 1893 †) - (SPINILOMATIDAE) (FOSSIL)
- zitteli, Syringoceras zitteli Mojsisovics, 1902 † - (SYRINGONAUTILIDAE) (FOSSIL)
- zitteli, Mesalia zitteli Awad & Abed, 1967 † - (TURRITELLIDAE) (FOSSIL)
- zitteli, Zebina zitteli Szöts, 1953 † - (ZEBINIDAE) (FOSSIL)
- Zittelia, Genus Zittelia Gemmellaro, 1869 † (COLOMBELLINIDAE) (FOSSIL)
- zitteliana, Lithophaga zitteliana R.W. Dunker, 1882 - syn of: Lithophaga straminea (L.A. Reeve, 1857) - (MYTILIDAE)
- zitteliana, Volutoderma zitteliana Holzapfel, 1888 † - (VOLUTODERMATIDAE) (FOSSIL)
- zitteliformis, Zittelihalobia zitteliformis Kurushin, 1998 † - (HALOBIIDAE) (FOSSIL)
- Zittelihalobia, Subgenus Halobia (Zittelihalobia) Polubotko, 1984 † (HALOBIIDAE) (FOSSIL)
- Zittelloceras, Genus Zittelloceras Hyatt, 1884 † (ONCOCERATIDAE) (FOSSIL)
- Zitteloceras, Genus Zitteloceras Foerste, 1910 † (ONCOCERATIDAE) (FOSSIL)
- zivkovici, Emmericia zivkovici Š. Brusina, 1902 † - (AMNICOLIDAE) (FOSSIL)
- zivkovici, Theodoxus zivkovici (P.S. Pavlovic, 1903 †) - (NERITIDAE) (FOSSIL)
- zivkovici, Planorbis zivkovici P.S. Pavlovic, 1931 † - (PLANORBIDAE) (FOSSIL)
- ziyi, Tchangmargarya ziyi Zhang L.J., 2017 - (VIVIPARIDAE)
- ziyuanensis, Margaritiphaedusa ziyuanensis (C. Chen & S.Q. Zhang, 1999) - (CLAUSILIIDAE)
- Ziyunites, Genus Ziyunites Wang , 1978 † (STURIIDAE) (FOSSIL)
- zizense, Bouhamidoceras zizense Dubar, 1961 † - (LYTOCERATIDAE) (FOSSIL)
- zizense, Sichuanoceras zizense Kröger, 2008 † - (SICHUANOCERATIDAE) (FOSSIL)
- zizensis, Erfoudites zizensis W. Korn, 1999 † - (SPORADOCERATIDAE) (FOSSIL)
- ziziphina, Odostomia ziziphina P.P. Carpenter, 1857 - (PYRAMIDELLIDAE)
- Ziziphinus, syn of: Genus Calliostoma W.J. Swainson, 1840 (CALLIOSTOMATIDAE)
- ziziphinus, Trochus ziziphinus C. Linnaeus, 1758 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zizyphina, Modiolus zizyphina A. Caruana Gatto, 1867 - syn of: Lioberus agglutinans (F.J. Cantraine, 1835) - (MYTILIDAE)
- zizyphina, Amygdalum zizyphina A. Caruana Gatto, 1867 - syn of: Lioberus agglutinans (F.J. Cantraine, 1835) - (MYTILIDAE)
- zizyphinum, Calliostoma zizyphinum (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- zizyphinum alexandrinum, Calliostoma zizyphinum alexandrinum P.M. Pallary, 1912 - (CALLIOSTOMATIDAE)
- zizyphinum conuloides, Calliostoma zizyphinum conuloides (J.B.P.A. Lamarck, 1822) - (CALLIOSTOMATIDAE)
- zizyphinum conuloides lyonsii, Calliostoma zizyphinum conuloides lyonsii W.E. Leach, 1850 - (CALLIOSTOMATIDAE)
- zizyphinum elongata, Calliostoma zizyphinum elongata P.M. Pallary, 1900 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- zizyphinum intermedia, Calliostoma zizyphinum intermedia P.M. Pallary, 1900 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- zizyphinum lusitanicum, Calliostoma zizyphinum lusitanicum F. Nordsieck & F.F. Talavera, 1980 - (CALLIOSTOMATIDAE)
- zizyphinum lyonsi, Calliostoma zizyphinum lyonsi W.E. Leach in E. Forbes & S.C.T. Hanley, 1850 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- zizyphinum major, Calliostoma zizyphinum major P.M. Pallary, 1900 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- zizyphinum marmorata, Calliostoma zizyphinum marmorata P.M. Pallary, 1900 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- zizyphinum strangulata, Calliostoma zizyphinum strangulata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - (CALLIOSTOMATIDAE)
- Zizyphinus, syn of: Genus Calliostoma W.J. Swainson, 1840 (CALLIOSTOMATIDAE)
- zizyphinus, Trochus zizyphinus C. Linnaeus, 1758 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zizyphinus albina, Trochus zizyphinus albina M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zizyphinus cingulata, Trochus zizyphinus cingulata H.C. Weinkauff, 1868 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zizyphinus dilatata, Trochus zizyphinus dilatata J.G. Jeffreys, 1856 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zizyphinus elata, Trochus zizyphinus elata J.G. Jeffreys, 1865 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zizyphinus granulifera, Trochus zizyphinus granulifera J.G. Jeffreys, 1865 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zizyphinus humilior, Trochus zizyphinus humilior J.G. Jeffreys, 1865 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zizyphinus strangulata, Trochus zizyphinus strangulata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- zlambachensis, Modesticoncha zlambachensis (F. Haas, 1909 †) - (TRIGONIIDAE) (FOSSIL)
- zlatae, Belgrandia zlatae D. Esu & O. Girotti, 2016 † - (HYDROBIIDAE) (FOSSIL)
- zlatarici, Theodoxus zlatarici (Š. Brusina, 1902 †) - (NERITIDAE) (FOSSIL)
- zlatarskii, Pseudocatillus zlatarskii (Andrussow †) - (CARDIIDAE) (FOSSIL)
- zlatarskii, Lymnaea zlatarskii F. Toula, 1892 † - (LYMNAEIDAE) (FOSSIL)
- Zlatokonia, Genus Zlatokonia Horný, 1992 † (PORCELLIIDAE) (FOSSIL)
- Zlichomphalina, Genus Zlichomphalina Frýda , 1998 † (GOSSELETINIDAE) (FOSSIL)
- zlichovensis, Mimosphinctes zlichovensis Chlupac & Turek, 1977 † - (MIMOSPHINCTIDAE) (FOSSIL)
- Zlichovia, Genus Zlichovia Frýda & Manda, 1997 † (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- zlotniki, Proacirsa zlotniki (A. Kaim, 2004 †) - (GORDENELLIDAE) (FOSSIL)
- zlotniki, Turrithilda zlotniki A. Kaim, 2004 † - syn of: Proacirsa zlotniki (A. Kaim, 2004 †) - (GORDENELLIDAE) (FOSSIL)
- zmitampis, Mathilda zmitampis J.C. Melvill & R. Standen, 1901 - (MATHILDIDAE)
- znakvensis, Argvethites znakvensis Kakabadze, 1975 † - (HETEROCERATIDAE) (FOSSIL)
- znamenskianus, Subvestinautilus znamenskianus (Tzwetaev, 1898 †) - (KONINCKIOCERATIDAE) (FOSSIL)
- znamenskianus, Coelonautilus znamenskianus Tzwetaev, 1898 † - syn of: Subvestinautilus znamenskianus (Tzwetaev, 1898 †) - (TRIGONOCERATIDAE) (FOSSIL)
- znassenensis, Xerosecta znassenensis P.M. Pallary, 1918 - syn of: Xerosecta znassensis (P.M. Pallary, 1918) - (HYGROMIIDAE)
- znassensis, Xerosecta znassensis (P.M. Pallary, 1918) - (HYGROMIIDAE)
- zoae, Palaeohelicina zoae (L. Pfeiffer, 1865) - (HELICINIDAE)
- zoasthenicus, Unio zoasthenicus É.A.A. Locard, 1889 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- zoderi, Alvania zoderi H.J. Hoenselaar & J. Goud, 1998 - (RISSOIDAE)
- zodiaca, Icuncula zodiaca (C. Hedley, 1907) - (CAPULIDAE)
- zodiacus, Tricheulota zodiacus (A.E.J. Férussac, 1821) - (BRADYBAENIDAE)
- zodiacus, Planispira zodiacus (A.E.J. Férussac, 1821) - (CAMAENIDAE)
- zodiacus tuba, Tricheulota zodiacus tuba (J.A. Albers, 1854) - (BRADYBAENIDAE)
- zodion, Zygomelon zodion M.G. Harasewych & B.A. Marshall, 1995 - (VOLUTIDAE)
- zoe, Acteocina zoe J.C. Melvill & R. Standen, 1901 - (ACTEOCINIDAE)
- zoebeleini, Triptychia zoebeleini Schnabel, 2006 † - (FILHOLIIDAE) (FOSSIL)
- zoebeleini, Nematurella zoebeleini W.R. Schlickum, 1960 † - (HYDROBIIDAE) (FOSSIL)
- zoebeleini, Gyraulus zoebeleini W.R. Schlickum & F. Strauch, 1974 - (PLANORBIDAE)
- zoebeleini, Ctyrokya zoebeleini W.R. Schlickum, 1970 † - (RISSOOIDEA (UNASSIGNED)) (FOSSIL)
- zogari, Pseudobithynia zogari P. Glöer, A. Falniowski & V.M. Pešic, 2010 - (BITHYNIIDAE)
- zografakisi, Cirsotrema zografakisi G.T. Poppe, S.P. Tagaro & L.G. Brown, 2006 - (EPITONIIDAE)
- zografi, Acmaea zografi P. Dautzenberg & H. Fischer, 1896 - syn of: Veleropilina zografi (P. Dautzenberg & H. Fischer, 1896) - (ACMAEIDAE)
- zografi, Veleropilina zografi (P. Dautzenberg & H. Fischer, 1896) - (NEOPILINIDAE)
- zografi, Theodoxus zografi (Š. Brusina, 1902 †) - (NERITIDAE) (FOSSIL)
- zografi perlongus, Theodoxus zografi perlongus E. Jekelius, 1944 † - (NERITIDAE) (FOSSIL)
- zografi petralbensis, Theodoxus zografi petralbensis E. Jekelius, 1944 † - (NERITIDAE) (FOSSIL)
- zografi rotundatus, Theodoxus zografi rotundatus Papp, 1953 † - (NERITIDAE) (FOSSIL)
- Zoila, Genus Zoila F.P. Jousseaume, 1884 (CYPRAEIDAE)
- Zoilini, syn of: Genus Mandolina F.P. Jousseaume, 1884 † (CYPRAEIDAE) (FOSSIL)
- zoiloides, Bernaya zoiloides Schilder, 1958 † - (CYPRAEIDAE) (FOSSIL)
- zolatarevi, Helix zolatarevi W.A. Lindholm, 1913 - syn of: Teberdinia flavolimbata (O. Böttger, 1883) - (HELICIDAE)
- zolkinae, Mimolychnoceras zolkinae P.A. Zhuravleva, 1974 † - syn of: Almaloceras abaeratum P.A. Zhuravleva, 1974 † - (ONCOCERIDA (unassigned)) (FOSSIL)
- zollerianum, Bythiospeum zollerianum (D. Geyer, 1905) - (HYDROBIIDAE)
- zolotarevi, Teberdinia zolotarevi (W.A. Lindholm, 1913) - (HYGROMIIDAE)
- zoltanorum, Agardhiella zoltanorum P. Subai, 2008 - (ARGNIDAE)
- zombia, Oliva jamaicensis zombia E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- zomos, Archiphysa zomos (J.L.Jr. Baily & J.L.Jr. Baily, 1952) - (PHYSIDAE)
- zona, Philine catena zona T.A. de M. Monterosato - (PHILINIDAE)
- zona, Syrnola zona S. Nomura, 1937 - (PYRAMIDELLIDAE)
- zonale, Lampanella zonale J.G. Bruguière, 1792 - syn of: Batillaria zonalis (J.G. Bruguière, 1792) - (BATILLARIIDAE)
- zonale, Buccinum zonale A.A. Gould, 1848 - syn of: Astyris lunata (T. Say, 1826) - (BUCCINIDAE)
- zonale, Cerithium zonale J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Clypeomorus nympha R.S. Houbrick, 1985 - (CERITHIIDAE)
- zonale, Sinum zonale (J.R.C. Quoy & J.P. Gaimard, 1832) - (NATICIDAE)
- zonalis, Batillaria zonalis (J.G. Bruguière, 1792) - (BATILLARIIDAE)
- zonalis, Engina zonalis (J.B.P.A. Lamarck, 1822) - (BUCCINIDAE)
- zonalis, Astyris zonalis A.A. Gould, 1848 - syn of: Astyris lunata (T. Say, 1826) - (COLUMBELLIDAE)
- zonalis, Vexillum zonalis J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Vexillum vulpecula (C. Linnaeus, 1758) - (COSTELLARIIDAE)
- zonalis, Pectunculus zonalis J.B.P.A. Lamarck, 1819 - syn of: Glycymeris nummaria (C. Linnaeus, 1758) - (GLYCYMERIDIDAE)
- zonalis, Limopsis zonalis W.H. Dall, 1908 - (LIMOPSIDAE)
- zonalis, Zeuxis zonalis T. Kira, 1954 - syn of: Nassarius reeveanus (R.W. Dunker, 1847) - (NASSARIIDAE)
- zonalis, Nassarius reeveanus zonalis (A. Adams, 1852) - (NASSARIIDAE)
- zonalis, Naticarius zonalis (C.A. Récluz, 1850) - (NATICIDAE)
- zonalis, Natica zonalis C.A. Récluz, 1850 - syn of: Naticarius zonalis (C.A. Récluz, 1850) - (NATICIDAE)
- zonalis, Olivella zonalis (J.B.P.A. Lamarck, 1811) - (OLIVELLIDAE)
- zonalis, Gari zonalis J.B.P.A. Lamarck, 1818 - syn of: Gari livida (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- zonalis, Raphitoma zonalis S. Delle Chiaje, 1830 - syn of: Raphitoma leufroyi (A. Michaud, 1828) - (RAPHITOMIDAE)
- zonalis, Spondylus zonalis J.B.P.A. Lamarck, 1819 - (SPONDYLIDAE)
- zonalis, Pleurotoma zonalis S. Delle Chiaje, 1829 - syn of: Comarmondia inflata (G.J. De Cristofori & G. Jan, 1832) - (TURRIDAE)
- zonalis atramentaria, Batillaria zonalis atramentaria A. Adams in G.B. II Sowerby, 1865 - syn of: Batillaria attramentaria (A. Adams in G.B. II Sowerby, 1865) - (BATILLARIIDAE)
- zonalis cumingii, Batillaria zonalis cumingii (J.C.H. Crosse, 1862) - (BATILLARIIDAE)
- zonalis subviridis, Batillaria zonalis subviridis G.B. II Sowerby, 1855 - (BATILLARIIDAE)
- zonamestrum, Calliostoma zonamestrum A. Adams, 1851 - (CALLIOSTOMATIDAE)
- zonaria, Planispira zonaria (C. Linnaeus, 1758) - (CAMAENIDAE)
- Zonaria, Genus Zonaria F.P. Jousseaume, 1884 (CYPRAEIDAE)
- zonaria, Zonaria zonaria (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- zonaria, Theba zonaria T. Pennant, 1777 - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- zonaria, Littorina zonaria W.I. Bean, 1844 - syn of: Littorina saxatilis (A.G. Olivi, 1792) - (LITTORINIDAE)
- zonaria, Mactra zonaria E.M. Da Costa, 1778 - syn of: Spisula solida (C. Linnaeus, 1758) - (MACTRIDAE)
- zonaria, Coelocaulus zonaria J. Perner, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- zonaria, Natica zonaria J.B.P.A. Lamarck, 1816 - syn of: Naticarius alapapilionis (P.F. Röding, 1798) - (NATICIDAE)
- zonaria, Tellina zonaria B. de Basterot, 1825 † - (TELLINIDAE) (FOSSIL)
- zonaria, Tivela zonaria (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- zonaria, Cytherea zonaria L.A. Reeve, 1864 - syn of: Meretrix petechialis (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- zonaria, Periglypta zonaria J.B.P.A. Lamarck, 1818 - syn of: Meretrix meretrix (C. Linnaeus, 1758) - (VENERIDAE)
- zonaria gambiensis, Zonaria zonaria gambiensis H.O.N. Shaw, 1909 - (CYPRAEIDAE)
- Zonarina, Genus Zonarina F. Sacco, 1894 † (CYPRAEIDAE) (FOSSIL)
- zonarius, Conus zonarius Grateloup, 1835 † - (CONIDAE) (FOSSIL)
- zonarius, Mytilus zonarius J.B.P.A. Lamarck, 1819 - (MYTILIDAE)
- zonarius, Theodoxus zonarius G.P. Deshayes, 1825 † - (NERITIDAE) (FOSSIL)
- zonarius, Substreblites zonarius (Oppel, 1865 †) - (OPPELIIDAE) (FOSSIL)
- zonata, Pomacea zonata (J.B. von Spix, 1827) - (AMPULLARIIDAE)
- zonata, Asolene zonata D'Orbigny, 1835 - syn of: Asolene spixii (A.V.M.D. D'Orbigny, 1838) - (AMPULLARIIDAE)
- zonata, Ampullaria zonata D'Orbigny, 1835 - syn of: Asolene spixii (A.V.M.D. D'Orbigny, 1838) - (AMPULLARIIDAE)
- zonata, Angaria zonata (N.H. Odhner, 1917) - (ANGARIIDAE)
- zonata, Hydatina zonata (J. Lightfoot, 1786) - (APLUSTRIDAE)
- zonata, Engina zonata J.E. Gray, 1839 - syn of: Engina turbinella (L.C. Kiener, 1836) - (BUCCINIDAE)
- zonata, Bulla zonata J. Lightfoot, 1786 - syn of: Hydatina zonata (J. Lightfoot, 1786) - (BULLIDAE)
- zonata, Bulla zonata W. Turton, 1834 - syn of: Scaphander lignarius (C. Linnaeus, 1758) - (BULLIDAE)
- zonata, Satsuma ferruginea zonata H.A. Pilsbry & Y. Hirase, 1904 - (CAMAENIDAE)
- zonata, Anachis zonata A.A. Gould, 1860 - syn of: Zafra mitriformis A. Adams, 1860 - (COLUMBELLIDAE)
- zonata, Creseis zonata S. Delle Chiaje, 1830 - syn of: Hyalocylis striata (P.C.A.S.L. Rang, 1828) - (CRESEIDAE)
- zonata, Zonaria zonata J.B.P.A. Lamarck, 1810 - syn of: Zonaria zonaria (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- zonata, Gibberula zonata W.J. Swainson, 1840 - (CYSTISCIDAE)
- zonata, Cassidula zonata H. Adams & A. Adams, 1855 - (ELLOBIIDAE)
- zonata, Melampus zonata G.B. Sowerby, 1878 - syn of: Melampus monile (J.G. Bruguière, 1789) - (ELLOBIIDAE)
- zonata, Poleumita zonata E.F.R.K. Koken & J. Perner, 1925 † - syn of: Oriostoma zonata (E.F.R.K. Koken & J. Perner, 1925 †) - (EUOMPHALIDAE) (FOSSIL)
- zonata, Gadila zonata (M. Boissevain, 1906) - (GADILIDAE)
- zonata, Halolimnohelix zonata H.A. Pilsbry, 1919 - (HALOLIMNOHELICIDAE)
- zonata, Haminoea zonata A. Adams, 1864 - (HAMINOEIDAE)
- zonata, Alabastrina subvaminquei zonata (P.M. Pallary, 1904) - (HELICIDAE)
- zonata, Dupotetia alabastra zonata (P.M. Pallary, 1926) - (HELICIDAE)
- zonata, Theba planata zonata (P.M. Pallary, 1921) - (HELICIDAE)
- zonata, Helicina variabilis zonata J.B. von Spix, 1836 - (HELICINIDAE)
- zonata, Anacithara lita zonata (J.L. Bouge & P. Dautzenberg, 1914) - (HORAICLAVIDAE)
- zonata, Pseudamnicola zonata (K.E.I. von Eichwald, 1853 †) - (HYDROBIIDAE) (FOSSIL)
- zonata, Discula zonata R.T. Lowe, 1831 - syn of: Discula cheiranthicola (R.T. Lowe, 1831) - (HYGROMIIDAE)
- zonata, Leiostyla zonata Unknown - syn of: Leiostyla anglica (W. Wood, 1828) - (LAURIIDAE)
- zonata, Lesueurilla zonata Kobayashi, 1959 † - syn of: Teiichispira zonata (O. Kobayashi, 1959 †) - (LESUEURILLIDAE) (FOSSIL)
- zonata, Limapontia zonata (A.A.A. Girard, 1852) - (LIMAPONTIIDAE)
- zonata, Littorina zonata K.T. Menke, 1845 - syn of: Littorina obtusata (C. Linnaeus, 1758) - (LITTORINIDAE)
- zonata, Teiichispira zonata (O. Kobayashi, 1959 †) - (MACLURITIDAE) (FOSSIL)
- zonata, Mactra zonata C.E. Lischke, 1871 - syn of: Mactra quadrangularis L.A. Reeve, 1854 - (MACTRIDAE)
- zonata, Bela zonata É.A.A. Locard, 1892 - (MANGELIIDAE)
- zonata, Mangelia zonata L.A. Reeve, 1846 - syn of: Eucithara coronata (R.B. Hinds, 1843) - (MANGELIIDAE)
- zonata, Cythara zonata L.A. Reeve, 1846 - syn of: Eucithara coronata (R.B. Hinds, 1843) - (MANGELIIDAE)
- zonata, Volvarina zonata (L.C. Kiener, 1841) - (MARGINELLIDAE)
- zonata, Melanopsis cesari zonata P.M. Pallary, 1911 - (MELANOPSIDAE)
- zonata, Melanopsis maroccana zonata J. Gassies, 1856 - (MELANOPSIDAE)
- zonata, Mitra zonata F. Marryat, 1818 - (MITRIDAE)
- zonata, Glyphodeta zonata (J. Donald, 1887 †) - (MURCHISONIIDAE) (FOSSIL)
- zonata, Ricinula zonata L.A. Reeve, 1846 - syn of: Engina zonalis (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- zonata, Natica zonata P. Doderlein, 1864 † - syn of: Cochlis epiglopardalis (F. Sacco, 1890 †) - (NATICIDAE) (FOSSIL)
- zonata, Cryptonatica zonata A.T. von Middendorff, 1849 - syn of: Cryptonatica affinis (J.F. Gmelin, 1791) - (NATICIDAE)
- zonata, Polinices zonata R.A. Philippi, 1852 - syn of: Mammilla melanostoma (J.F. Gmelin, 1791) - (NATICIDAE)
- zonata, Oriostoma zonata (E.F.R.K. Koken & J. Perner, 1925 †) - (ORIOSTOMATIDAE) (FOSSIL)
- zonata, Burringtonia exesa zonata (S. Moricand, 1833) - (ORTHALICIDAE)
- zonata, Spekia zonata (S. Woodward, 1859) - (PALUDOMIDAE)
- zonata, Philine zonata (A. Adams, 1865) - (PHILINIDAE)
- zonata, Angiola zonata (A. Adams, 1853) - (PLANAXIDAE)
- zonata, Tropidophora zonata S.A.A. Petit De La Saussaye, 1850 - (POMATIIDAE)
- zonata, Tricula zonata Y.Y. Liu, Y.X. Wang & W.Z. Zhang, 1991 - (POMATIOPSIDAE)
- zonata, Inquisitor zonata (L.A. Reeve, 1843) - (PSEUDOMELATOMIDAE)
- zonata, Inquisitor zonata L.A. Reeve, 1843 - syn of: Inquisitor zonata (L.A. Reeve, 1843) - (PSEUDOMELATOMIDAE)
- zonata, Rissoina zonata H.H. Suter, 1909 - (RISSOINIDAE)
- zonata, Scaphander zonata J. Lightfoot, 1786 - syn of: Scaphander lignarius (C. Linnaeus, 1758) - (SCAPHANDRIDAE)
- zonata, Sphincterochila zonata (J.R. Bourguignat, 1853) - (SPHINCTEROCHILIDAE)
- zonata, Tellina zonata L.W. Dillwyn, 1817 - syn of: Macoma balthica (C. Linnaeus, 1758) - (TELLINIDAE)
- zonata, Tonna zonata (J. Green, 1830) - (TONNIDAE)
- zonata, Trigonia zonata A.E.R. Agassiz, 1840 † - (TRIGONIIDAE) (FOSSIL)
- zonata, Iniforis zonata C.F. Laseron, 1958 - (TRIPHORIDAE)
- zonata, Gibbula zonata Wood, 1828 - (TROCHIDAE)
- zonata, Gibbula zonata J.G. Jeffreys, 1856 - syn of: Gibbula umbilicaris (C. Linnaeus, 1758) - (TROCHIDAE)
- zonata, Aculamprotula zonata (P.M. Heude, 1883) - (UNIONIDAE)
- zonata, Urocoptis zonata T. Kira, 1955 - (UROCOPTIDAE)
- zonata, Velutina zonata A.A. Gould, 1841 - syn of: Limneria undata (T. Brown, 1839) - (VELUTINIDAE)
- zonata, Marvillia zonata A.A. Gould, 1841 - syn of: Limneria undata (T. Brown, 1839) - (VELUTINIDAE)
- zonata, Agriopoma zonata W.H. Dall, 1902 - syn of: Pitar zonatus (W.H. Dall, 1902) - (VENERIDAE)
- zonata albina, Lauria zonata albina O. Böttger, 1889 - syn of: Caucasipupa superstructa (A. Mousson, 1876) - (LAURIIDAE)
- zonata archimedes, Pomacea zonata archimedes (J.B. von Spix, 1827) - (AMPULLARIIDAE)
- zonata bilineata, Volvarina zonata bilineata C.F.F. von Krauss, 1848 - syn of: Volvarina bilineata (C.F.F. von Krauss, 1848) - (MARGINELLIDAE)
- zonata cleo, Volvarina zonata cleo P. Bartsch, 1915 - syn of: Volvarina bilineata (C.F.F. von Krauss, 1848) - (MARGINELLIDAE)
- zonata concolor, Mitra zonata concolor G.S. Coen, 1934 - syn of: Mitra zonata F. Marryat, 1818 - (MITRIDAE)
- zonata dunkeri, Volvarina zonata dunkeri C.F.F. von Krauss, 1848 - syn of: Volvarina dunkeri (C.F.F. von Krauss, 1848) - (MARGINELLIDAE)
- zonata expansa, Marvillia zonata expansa R. Hägg, 1905 - syn of: Limneria undata (T. Brown, 1839) - (VELUTINIDAE)
- zonata filia, Sphincterochila zonata filia (A. Mousson, 1861) - (SPHINCTEROCHILIDAE)
- zonata grandis, Velutina zonata grandis E.A. Smith, 1877 - syn of: Limneria undata (T. Brown, 1839) - (VELUTINIDAE)
- zonata kraussi, Volvarina zonata kraussi W.H. Turton, 1932 - (MARGINELLIDAE)
- zonata major, Mitra zonata major P.M. Pallary, 1900 - syn of: Mitra zonata F. Marryat, 1818 - (MITRIDAE)
- zonata minor, Mitra zonata minor P.M. Pallary, 1900 - syn of: Mitra zonata F. Marryat, 1818 - (MITRIDAE)
- zonata multizonata, Eucithara zonata multizonata J.L. Bouge & P. Dautzenberg, 1914 - syn of: Eucithara coronata (R.B. Hinds, 1843) - (MANGELIIDAE)
- zonata patula, Gibbula zonata patula B.F. Kensley & Pether, 1986 - (TROCHIDAE)
- zonata plurilineata, Cythara zonata plurilineata J.L. Bouge & P. Dautzenberg, 1914 - syn of: Eucithara coronata (R.B. Hinds, 1843) - (MANGELIIDAE)
- zonata protracta, Mitra zonata protracta P.M. Pallary, 1900 - syn of: Mitra zonata F. Marryat, 1818 - (MITRIDAE)
- zonata velum, Hydatina zonata velum (J.F. Gmelin, 1791) - (APLUSTRIDAE)
- zonatella, Anacithara nanisca zonatella (R.P.J. Hervier, 1897) - (HORAICLAVIDAE)
- Zonatia, syn of: Genus Zonaria F.P. Jousseaume, 1884 (CYPRAEIDAE)
- zonatosubcostata, Melanopsis maroccana zonatosubcostata A. Paladilhe, 1875 - (MELANOPSIDAE)
- zonatum, Solarium zonatum R.A. Philippi, 1849 - syn of: Architectonica perspectiva (C. Linnaeus, 1767) - (ARCHITECTONICIDAE)
- zonatum, Cerithium zonatum (W. Wood, 1828) - (CERITHIIDAE)
- zonatum, Cerithium zonatum J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Cerithium zonatum (W. Wood, 1828) - (CERITHIIDAE)
- zonatum, Chilostoma zonatum (S.E. Studer, 1820) - (HELICIDAE)
- zonatum, Oriostoma zonatum (Lindström, 1884 †) - (ORIOSTOMATIDAE) (FOSSIL)
- zonatum, Orthoceras zonatum C. Gemmellaro, 1889 † - syn of: Bitaunioceras zonatum (C. Gemmellaro, 1889 †) - (ORTHOCERATIDAE) (FOSSIL)
- zonatum, Cyclonema zonatum Lindström, 1884 † - syn of: Oriostoma zonatum (Lindström, 1884 †) - (PLATYCERATIDAE) (FOSSIL)
- zonatum, Raphitoma zonatum É.A.A. Locard, 1892 - syn of: Bela zonata É.A.A. Locard, 1892 - (RAPHITOMIDAE)
- zonatum, Pisidium zonatum T. Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- zonatum, Bitaunioceras zonatum (C. Gemmellaro, 1889 †) - (SPYROCERATIDAE) (FOSSIL)
- zonatum flavovirens, Chilostoma zonatum flavovirens (F. Dumont & L.L.G. de Mortillet, 1852) - (HELICIDAE)
- zonatum foetens, Chilostoma zonatum foetens (S.E. Studer, 1820) - (HELICIDAE)
- zonatum foetens cisalpina, Chilostoma zonatum foetens cisalpina (G. Stabile, 1864) - (HELICIDAE)
- zonatum heteroclites, Cerithium zonatum heteroclites J.B.P.A. Lamarck, 1822 - syn of: Cerithium heteroclites J.B.P.A. Lamarck, 1822 - (CERITHIIDAE)
- zonatum kikaiensis, Cerithium zonatum kikaiensis H.A. Pilsbry, 1904 - (CERITHIIDAE)
- zonatum millieri, Chilostoma zonatum millieri J.R. Bourguignat, 1880 - syn of: Chilostoma millieri J.R. Bourguignat, 1880 - (HELICIDAE)
- zonatum nitida, Cerithium zonatum nitida G.B. II Sowerby, 1855 - (CERITHIIDAE)
- zonatum purpurascens, Cerithium zonatum purpurascens G.B. II Sowerby, 1855 - (CERITHIIDAE)
- zonatus, Clypeomorus zonatus W. Wood, 1828 - syn of: Cerithium zonatum (W. Wood, 1828) - (CERITHIIDAE)
- zonatus, Rhombiconus zonatus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- zonatus, Melampus zonatus H.E. Anton, 1837 - (ELLOBIIDAE)
- zonatus, Geotrochus zonatus J.C. van Hasselt, 1823 - (HELICARIONIDAE)
- zonatus, Chambersius zonatus Lamont, 1978 † - (MURCHISONIIDAE) (FOSSIL)
- zonatus, Murexsul zonatus S. Hayashi & T. Habe, 1965 - (MURICIDAE)
- zonatus, Murex zonatus J.E. Tenison-Woods, 1877 - syn of: Prototyphis angasi (J.C.H. Crosse, 1863) - (MURICIDAE)
- zonatus, Octopus zonatus N.A. Voss, 1968 - (OCTOPODIDAE)
- zonatus, Odontostomus zonatus (S. Moricand, 1841) - (ODONTOSTOMIDAE)
- zonatus, Pecten zonatus É.A.A. Locard, 1888 - syn of: Palliolum striatum (O.F. Müller, 1776) - (PECTINIDAE)
- zonatus, Strombus zonatus W. Wood, 1828 - syn of: Cerithium zonatum (W. Wood, 1828) - (STROMBIDAE)
- zonatus, Trochus zonatus J.G. Jeffreys, 1856 - syn of: Phorcus turbinatus (I. von Born, 1778) - (TROCHIDAE)
- zonatus, Turbo zonatus Kirchner, 1915 † - (TURBINIDAE) (FOSSIL)
- zonatus, Mesocyclus zonatus C. Pollonera, 1906 - (UROCYCLIDAE)
- zonatus, Pitar zonatus (W.H. Dall, 1902) - (VENERIDAE)
- zonatus, Viviparus zonatus (S.C.T. Hanley, 1860) - (VIVIPARIDAE)
- zone, Calliotropis zone C. Vilvens, 2007 - (CALLIOTROPIDAE)
- zonella, Metafruticicola zonella (L. Pfeiffer, 1864) - (HYGROMIIDAE)
- Zonella, syn of: Genus Eulimella E. Forbes & M' Andrew, 1846 (PYRAMIDELLIDAE)
- Zonidiscus, Genus Zonidiscus Spitz, 1907 † (TROPIDODISCIDAE) (FOSSIL)
- zonifera, Calocochlia zonifera L. Pfeiffer, 1842 - (BRADYBAENIDAE)
- zonifera, Helicostyla smaragdina zonifera L.A. Reeve, 1842 - (BRADYBAENIDAE)
- zonifera, Caucasipupa zonifera (H.A. Pilsbry, 1934) - (LAURIIDAE)
- zonifera circe, Calocochlia zonifera circe L. Pfeiffer, 1853 - (BRADYBAENIDAE)
- zonifera globosa, Calocochlia zonifera globosa (W. Kobelt, 1910) - (BRADYBAENIDAE)
- zonifera paraleuca, Calocochlia zonifera paraleuca (H.A. Pilsbry, 1892) - (BRADYBAENIDAE)
- zonifera samarensis, Calocochlia zonifera samarensis C.G. Semper - (BRADYBAENIDAE)
- Zoniferella, Subgenus Synapterpes (Zoniferella) H.A. Pilsbry, 1906 (SUBULINIDAE)
- zoniferum, Propeamussium zoniferum (P. Dautzenberg & A.R.J.B. Bavay, 1912) - (PROPEAMUSSIIDAE)
- zoniferus, Orthalicus zoniferus H. Strebel, 1882 - (ORTHALICIDAE)
- zoniferus euchrous, Zebra zoniferus euchrous H. Strebel, 1909 - syn of: Orthalicus zoniferus H. Strebel, 1882 - (ORTHALICIDAE)
- zoniferus nobilis, Orthalicus zoniferus nobilis H. Rolle, 1895 - syn of: Orthalicus nobilis H. Rolle, 1895 - (ORTHALICIDAE)
- Zonitarion, Genus Zonitarion G.J. Pfeffer, 1883 (UROCYCLIDAE)
- Zonitella, Subgenus Zonitoides (Zonitella) F.C. Baker, 1928 (GASTRODONTIDAE)
- Zonitellus, syn of: Genus Zonitoides R. Lehmann, 1862 (GASTRODONTIDAE)
- zonites, Melanopsis zonites J. Gassies, 1870 - syn of: Melanopsis frustulum P.M.A. Morelet, 1857 - (MELANOPSIDAE)
- Zonites, Genus Zonites P.D. Montfort, 1810 (ZONITIDAE)
- zonites, Omphalina zonites (L. Pfeiffer, 1845) - (ZONITIDAE)
- ZONITIDAE Mörch, 1864 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-ZONITOIDEA [Superfamily])
- Zonitoides, Genus Zonitoides R. Lehmann, 1862 (GASTRODONTIDAE)
- zonitoides, Vitrinella zonitoides (L.G. Hertlein & A.M. Strong, 1952) - (TORNIDAE)
- zonitomaea, Monacha zonitomaea (A. Letourneux, 1870) - (HYGROMIIDAE)
- Zonitotrochus, Subgenus Trochozonites (Zonitotrochus) H.A. Pilsbry, 1919 (UROCYCLIDAE)
- Zonodiscus, Genus Zonodiscus H.A. Pilsbry, 1948 (DISCIDAE)
- Zonovia, Genus Zonovia Sasonov, 1960 † (AULACOSTEPHANIDAE) (FOSSIL)
- zonula, Rissoina zonula J.C. Melvill & R. Standen, 1896 - (RISSOINIDAE)
- zonulata, Asthenotoma zonulata (F.E. Edwards, 1861 †) - (BORSONIIDAE) (FOSSIL)
- zonulata, Albersia zonulata (A.E.J. Férussac, 1821) - (CAMAENIDAE)
- zonulata, Rhachis zonulata (L. Pfeiffer, 1846) - (CERASTUIDAE)
- zonulata, Etremopa zonulata G.F. Angas, 1867 - syn of: Etrema nassoides (L.A. Reeve, 1845) - (CLATHURELLIDAE)
- zonulata, Melanopsis praemorsa zonulata F. Paetel, 1888 - (MELANOPSIDAE)
- zonulata, Tectonatica zonulata (K.H.J. Thiele, 1925) - (NATICIDAE)
- zonulata, Ostrea zonulata S.V. Wood † - (OSTREIDAE) (FOSSIL)
- zonulata, Tropidophora tricarinata zonulata G.B. Sowerby, 1850 - (POMATIIDAE)
- zonulata, Zonulispira zonulata (L.A. Reeve, 1842) - (PSEUDOMELATOMIDAE)
- zonulata, Hyalinia zonulata C.A. Westerlund, 1886 - syn of: Tauroxychilus diaphanellus (I. Krynicki, 1833) - (ZONITIDAE)
- zonulata recluziana, Albersia zonulata recluziana (E.J. Le Guillou, 1842) - (CAMAENIDAE)
- Zonulispira, Genus Zonulispira P. Bartsch, 1950 (PSEUDOMELATOMIDAE)
- Zonyalina, Subgenus Omphalina (Zonyalina) E.C. Von Martens, 1865 (ZONITIDAE)
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