-
Theodoxus abnormis
(B.W. Jenkins, 1864 †) (FOSSIL)
-
Theodoxus abnormis cretensis
Willmann, 1980 † (FOSSIL)
-
Theodoxus acuticarinatus
(A. Fuchs, 1870 †) (FOSSIL)
-
Theodoxus acuticarinatus ecarinatus
(Š. Brusina, 1902 †) (FOSSIL)
-
Neritina adansoniana
C.A. Récluz, 1841
-
Nerita adenensis
(H.K. Mienis, 1978)
-
Neritina adumbrata
L.A. Reeve, 1855
-
Nerita affinis
L.A. Reeve, 1841
-
Neritina (Nereina) afra
G.B. Sowerby, 1836
-
Neritina (Nereina) afra aequinoxialis
P.M.A. Morelet, 1848
-
Theodoxus africanus
(L.A. Reeve, 1856)
-
Nerita (Theliostyla) albicilla
(C. Linnaeus, 1758)
-
Nerita (Theliostyla) albicilla fasciata
(C.F.F. von Krauss, 1848)
-
Theodoxus almelae
(Revilla, 1958 †) (FOSSIL)
-
Tomostoma altavillensis
A.E.M. Cossmann & G. Pissarro † (FOSSIL)
-
Tomostoma altavillensis neritoides
G.P. Deshayes, 1825 † (FOSSIL)
-
Theodoxus altenai
(H. Schütt, 1965)
-
Nerita alternans
R. Tate, 1876 † (FOSSIL)
-
Nerita (Fluvinerita) alticola
H.A. Pilsbry, 1932
-
Nerita alveolus
J.B. Hombron & C.H. Jacquinot, 1854
-
Theodoxus amblygonioides
W.A. Wenz, 1930 † (FOSSIL)
-
Theodoxus amethystinus
(Š. Brusina, 1874 †) (FOSSIL)
-
Pseudonerita amoena
(A.A. Gould, 1852)
-
Theodoxus anatensis
G.B. Sowerby, 1849
-
Theodoxus anatolicus
C.A. Récluz, 1841
-
Theodoxus anconae
(G. Capellini, 1880 †) (FOSSIL)
-
Otostoma angistoma
(G.P. Deshayes, 1825 †) (FOSSIL)
-
Theodoxus angularis
Gozhik, 2002 † (FOSSIL)
-
Tomostoma angusta
Symonds & J.M. Pacaud, 2010 † (FOSSIL)
-
Theodoxus anonymus
V.V. Anistratenko & Gozhik, 1995 † (FOSSIL)
-
Nerita antiquata
C.A. Récluz, 1841
-
Septaria apiata
(E.J. Le Guillou in C.A. Récluz, 1841)
-
Nerita apparata
Cragin, 1893 † (FOSSIL)
-
Neritina (Vittina) aquatilis
(L.A. Reeve, 1855)
-
Neritina arcifera
O.A.L. Mörch, 1872
-
Nerita argus
C.A. Récluz, 1841
-
Nerita ascensionis
J.F. Gmelin, 1791
-
Nerita ascensionis chlorostoma
J.B.P.A. Lamarck, 1810
-
Nerita ascensionis deturpensis
G.J. Vermeij, 1970
-
Nerita ascensionis trinidadensis
G.J. Vermeij, 1970
-
Nerita asperata
F. Dujardin, 1837 † (FOSSIL)
-
Theodoxus (Clithon) aspersus
(G.B. Sowerby, 1849)
-
Neritina (Neripteron) asperulatum
(C.A. Récluz, 1842)
-
Theodoxus astrachanicus
Y.I. Starobogatov, 1994
-
Nerita aterrima
J.F. Gmelin, 1791
-
Nerita atra
J.F. Gmelin, 1791
-
Nerita atramentosa
L.A. Reeve, 1855
-
Theodoxus atticus
Kühn, 1963 † (FOSSIL)
-
Neritina (Neripteron) auriculata
(J.B.P.A. Lamarck, 1816)
-
Theodoxus baconi
L.A. Reeve, 1856
-
Theodoxus baeticus
J.B.P.A. Lamarck, 1822
-
Neritina (Nereina) bahiensis
(C.A. Récluz, 1850)
-
Velates balkanicus
Bontscheff, 1896 † (FOSSIL)
-
Nerita balteata
L.A. Reeve, 1855
-
Theodoxus banaticus
E. Jekelius, 1944 † (FOSSIL)
-
Nerita (Bajanerita) banosensis
R.L. Squires & Saul, 2003 † (FOSSIL)
-
Theodoxus barakovici
(Š. Brusina, 1902 †) (FOSSIL)
-
Theodoxus (Clithon) barbei
Symonds & J.M. Pacaud, 2010 † (FOSSIL)
-
Nerita (Amphinerita) bartonensis
Symonds, 2002 † (FOSSIL)
-
Nerita basteroti
C.A. Récluz, 1850 † (FOSSIL)
-
Lissochilus bathonicus
Cox & Arkell † (FOSSIL)
-
Nerita baylei
Vasseur, 1881 † (FOSSIL)
-
Theodoxus becenensis
(Cobalcescu, 1883 †) (FOSSIL)
-
Cryptonerita benoisti
A.E.M. Cossmann, 1899 † (FOSSIL)
-
Puperita bensoni
(C.A. Récluz, 1850)
-
Theodoxus bessarabicus
(Sinzov, 1896 †) (FOSSIL)
-
Neritina bicanaliculata
C.A. Récluz, 1843
-
Lissochilus bicinctus
(Phillips) † (FOSSIL)
-
Theodoxus (Clithon) bicolor
(C.A. Récluz, 1843)
-
Nerita birmanica
F.H. Troschel, 1878
-
Nerita bisecta
L.A. Reeve, 1855
-
Theodoxus (Vittoclithon) boettgeri
(Rzehak, 1893 †) (FOSSIL)
-
Theodoxus bohotinensis
(Simionescu & Barbu, 1940 †) (FOSSIL)
-
Theodoxus bolivari
(Royo Gómez, 1922 †) (FOSSIL)
-
Septaria borbonica
(J.B.G.M. Bory De Saint-Vincent, 1804)
-
Theodoxus boteani
(Porumbaru, 1881 †) (FOSSIL)
-
Septaria bougainvillei
(C.A. Récluz, 1841)
-
Nerita bourdoti
A.E.M. Cossmann, 1903 † (FOSSIL)
-
Theodoxus bouryi
A.E.M. Cossmann, 1888 † (FOSSIL)
-
Theodoxus brenneri
(Handmann, 1882 †) (FOSSIL)
-
Theodoxus (Clithon) bristowi
W.A. Wenz, 1929 † (FOSSIL)
-
Neritina bruguierei
C.A. Récluz, 1841
-
Theodoxus brusinai
(P.S. Pavlovic, 1931 †) (FOSSIL)
-
Theodoxus (Ninnia) brusinai
N.I. Andrusov, 1909 † (FOSSIL)
-
Smaragdia bryanae
(H.A. Pilsbry, 1918)
-
Neritina buekkensis
Telegdi-Roth, 1914 † (FOSSIL)
-
Theodoxus bukowskii
(P. Oppenheim, 1919 †) (FOSSIL)
-
Neritina burdigalensis
d'Orbigny, 1852 † (FOSSIL)
-
Theodoxus burdigalensis
(Orbigny, 1827 †) (FOSSIL)
-
Lissochilus buvignieri
(P. Morris & J. Lycett, 1863 †) (FOSSIL)
-
Septaria caerulescens
G.B. I Sowerby
-
Neritina californica
L.A. Reeve, 1856
-
Velates californicus
E.H. Vokes, 1935 † (FOSSIL)
-
Neritina canalis
G.B. I Sowerby, 1825
-
Theodoxus capellinii
(D. Pantanelli, 1876 †) (FOSSIL)
-
Theodoxus capillaceus
(Š. Brusina, 1874 †) (FOSSIL)
-
Theodoxus carasiensis
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus carinatus
(Fuchs, 1877) † (FOSSIL)
-
Theodoxus cariosus
(W. Wood, 1828)
-
Nerita caronis
A. Brongniart, 1823 † (FOSSIL)
-
Clithon castanea
(J.B. Hombron & C.H. Jacquinot, 1854)
-
Theodoxus (Clithon) celatus
(C.A. Récluz, 1846)
-
Nerita (Argonerita) chamaeleon
(C. Linnaeus, 1758)
-
Nerita (Argonerita) chamaeleon squamata
(E.J. Le Guillou, 1905)
-
Nerita (Argonerita) chamaeleon stella
(L.A. Reeve, 1855)
-
Puperita (Heminerita) chilensis
R.A. Philippi, 1887 † (FOSSIL)
-
Neritodryas chimmoi
(L.A. Reeve, 1856)
-
Nerita (Chingua) chinguensis
Clark & J.W. Durham, 1946 † (FOSSIL)
-
Smaragdia chipolana
(W.H. Dall, 1892 †) (FOSSIL)
-
Theodoxus (Clithon) chlorostomum
(G.B. I Sowerby, 1833)
-
Theodoxus (Clithon) chlorostomum dispar
(W.J. Broderip, 1832)
-
Neritina (Neripteron) christovalensis
L.A. Reeve
-
Neritina chrysocolla
(A.A. Gould, 1848)
-
Nerita chrysostoma
C.A. Récluz, 1841
-
Neritina cinctella
(E.C. Von Martens, 1874)
-
Nerita circumvallata
J.F. Bayan, 1870 † (FOSSIL)
-
Theodoxus (Clithon) circumvoluta
(C.A. Récluz, 1843)
-
Neritina clenchi
H.D. Russell, 1940
-
Septaria clypeolum
(C.A. Récluz, 1842)
-
Theodoxus colchicus
(N.I. Andrusov, 1912 †) (FOSSIL)
-
Neritina communis
(J.R.C. Quoy & J.P. Gaimard, 1832)
-
Nerita compacta
E. Forbes, 1846
-
Cryptonerita conoidea
Böhm, 1895 † (FOSSIL)
-
Neritina (Vitta) consobrina
Eichhorst, 2016
-
Theodoxus constantiae
Stefanescu, 1896 † (FOSSIL)
-
Neritodryas cornea
(C. Linnaeus, 1758)
-
Otostoma corneti
Vincent, 1930 † (FOSSIL)
-
Neritina cornucopia
(W.H. Benson, 1836)
-
Neritina cornuta
L.A. Reeve, 1855
-
Neritina (Vittina) coromandeliana
(G.B. II Sowerby, 1832)
-
Theodoxus (Clithon) corona
(C. Linnaeus, 1758)
-
Theodoxus coronatus
(W.E. Leach, 1815)
-
Nerita (Ritena) costata
(J.F. Gmelin, 1791)
-
Nerita costulata
G. von dem Busch in R.A. Philippi, 1844
-
Nerita crassa
A.A. Gould, 1852
-
Theodoxus crenulatus
(E. Klein, 1853 †) (FOSSIL)
-
Theodoxus crenulatus bessarabica
(Sinzow, 1899 †) (FOSSIL)
-
Theodoxus crenulatus catalaunicus
(J. Almera & Bofill y Poch, 1895 †) (FOSSIL)
-
Theodoxus crenulatus varpalotensis
Bartha, 1956 † (FOSSIL)
-
Theodoxus crescens
(A. Fuchs, 1870 †) (FOSSIL)
-
Neritina (Nereina) cresswelli
T.C. Eichhorst, 2016
-
Schwardtina cretacea
(L. von G. Tausch, 1886 †) (FOSSIL)
-
Neritina (Vitta) cristata
P.M.A. Morelet, 1864
-
Theodoxus (Clithon) cryptum
T.C. Eichhorst, 2016
-
Theodoxus culceri
(Porumbaru, 1881 †) (FOSSIL)
-
Neritina (Vittina) cumingiana
(C.A. Récluz, 1842)
-
Neritina (Dostia) cuneata
W.M. Gabb, 1869 † (FOSSIL)
-
Theodoxus cunici
(Š. Brusina, 1892 †) (FOSSIL)
-
Theodoxus (Clithon) cuvierianus
C.A. Récluz, 1841
-
Theodoxus (Clithon) cuvierianus foliosus
(G.B. II Sowerby, 1849)
-
Theodoxus cyrtocelis
(C.F.F. von Krauss, 1852 †) (FOSSIL)
-
Theodoxus cyrtocelis austriacus
(Rzehak, 1893 †) (FOSSIL)
-
Theodoxus cyrtocelis obtusangulus
(C.F.F. von Krauss, 1852 †) (FOSSIL)
-
Theodoxus cyrtocelis sparsus
(C.F.F. von Krauss, 1852 †) (FOSSIL)
-
Neritina daani
B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † (FOSSIL)
-
Nerita dacostae
C.A. Récluz, 1844
-
Neritina daisyae
B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † (FOSSIL)
-
Theodoxus danasteri
(W.A. Lindholm, 1908)
-
Theodoxus danubialis
(L. Pfeiffer, 1828)
-
Theodoxus danubialis stragulatus
(L. Pfeiffer, 1828)
-
Nerita (Mienerita) debilis
(H. Dufo, 1840)
-
Nerita decorata
Münster, 1841 † (FOSSIL)
-
Neritina delessertii
(R.E. Petit)
-
Theodoxus denisluensis
(P. Oppenheim, 1919 †) (FOSSIL)
-
Theodoxus deperditus
(J. Almera, 1894 †) (FOSSIL)
-
Theodoxus deperditus coangustatus
(J. Almera, 1894 †) (FOSSIL)
-
Theodoxus deperditus emporitanus
(J. Almera, 1894 †) (FOSSIL)
-
Septaria depressa
Unknown Author
-
Theodoxus (Clithon) diadema
(W.J. Broderip, 1832)
-
Neritina (Neripteron) dilatatum
(W.J. Broderip, 1833)
-
Theodoxus djedida
T. Kira, 1955
-
Theodoxus doderleini
d'Ancona, 1869 † (FOSSIL)
-
Theodoxus doderleini pervariabilis
(F. Sacco, 1896 †) (FOSSIL)
-
Theodoxus doingii
(C.A. Récluz, 1846)
-
Nerita dombeyi
C.A. Récluz, 1841
-
Theodoxus (Clithon) dominguensis
(J.B.P.A. Lamarck, 1822)
-
Neritina dominicana
Costa & al., 2001 † (FOSSIL)
-
Theodoxus (Clithon) donovani
(C.A. Récluz, 1842)
-
Theodoxus doricus
(M. von Neumayr, 1880 †) (FOSSIL)
-
Theodoxus doricus fontannesi
(M. von Neumayr, 1880 †) (FOSSIL)
-
Theodoxus doricus fuchsi
(M. von Neumayr, 1880 †) (FOSSIL)
-
Neritodryas dubia
(J.F. Gmelin, 1791)
-
Neritodryas dubia mikoi
T. Cossignani, 2016
-
Theodoxus dumortieri
(C.F. Fontannes, 1878 †) (FOSSIL)
-
Neritodryas dutemplei
G.P. Deshayes, 1864 † (FOSSIL)
-
Neritina ectypha
W.P. Woodring, 1973 † (FOSSIL)
-
Neritina elephantina
Wesselingh, 2003 † (FOSSIL)
-
Cryptonerita elliptica
E.A.L. Kittl, 1894 † (FOSSIL)
-
Theodoxus elongatulus
(P.M.A. Morelet, 1845)
-
Theodoxus elongatus
P.M.A. Morelet, 1845
-
Theodoxus elongatus
(Thomä, 1845 †) (FOSSIL)
-
Neritina elpasensis
Stanton, 1947 † (FOSSIL)
-
Nerita emiliana
(C. Mayer, 1872 †) (FOSSIL)
-
Nerita (Ritena) erubescens
(L.A. Reeve, 1855)
-
Nerita erythrostoma
T.C. Eichhorst & B.D. Neville, 2004
-
Neritina (Dostia) escondita
Cushing Woods & Saul, 1986 † (FOSSIL)
-
Neritina etheridgei
Roxo, 1924 † (FOSSIL)
-
Theodoxus (Clithon) eudeli
(G.B. III Sowerby, 1917 †) (FOSSIL)
-
Theodoxus eugenii
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus eugenii longatolineatus
Papp, 1953 † (FOSSIL)
-
Neritina euphratica
A. Mousson, 1874
-
Theodoxus euxinus
S. Clessin, 1885
-
Neritina expansa
A.E. Reuss, 1855 † (FOSSIL)
-
Nerita exuvia
C. Linnaeus, 1758
-
Nerita (Theliostyla) exuvioides
C.T. Trechmann, 1935 † (FOSSIL)
-
Theodoxus (Clithon) faba
(G.B. I Sowerby, 1836)
-
Theodoxus fasciatus
Gozhik in Gozhik & Datsenko, 2007 † (FOSSIL)
-
Neritina figulopicta
C.J. Maury, 1917 † (FOSSIL)
-
Nerita filosa
(L.A. Reeve, 1855)
-
Theodoxus fisheri
Arkell † (FOSSIL)
-
Theodoxus (Clithon) flavovirens
(J.R.C. Quoy & J.P. Gaimard, 1832)
-
Neritina floridana
L.A. Reeve, 1865
-
Theodoxus fluviatilis
(C. Linnaeus, 1758)
-
Theodoxus fluviatilis sardous
(K.T. Menke, 1830)
-
Theodoxus fluviatilis thermalis
(N. Boubee, 1833)
-
Theodoxus fluviatilis transversetaeniatus
A.J. Wagner, 1928
-
Theodoxus fontaineana
D'Orbigny, 1840
-
Nerita fragum
(L.A. Reeve, 1855)
-
Theodoxus (Clithon) francoisi
(J.F. Mabille, 1895)
-
Septaria freycineti
C.A. Récluz, 1842
-
Nerita fulgurans
J.F. Gmelin, 1791
-
Nerita fuliginata
L.A. Reeve, 1855
-
Theodoxus (Clithon) fuliginosus
(G. von dem Busch in R.A. Philippi, 1843)
-
Theodoxus fulminiferus
(C.L.F. von Sandberger †) (FOSSIL)
-
Nerita funata
F. Dujardin, 1837 † (FOSSIL)
-
Nerita funiculata
K.T. Menke, 1851
-
Neritina gagates
J.B.P.A. Lamarck, 1822
-
Neritoma gea
Morris 1949 † (FOSSIL)
-
Nerita gemmulata
L.A. Reeve, 1857
-
Clithon glabratum
(G.B. II Sowerby, 1849)
-
Nerita glaucina
C. Linnaeus, 1758
-
Nerita globosa
R.A. Philippi, 1855 † (FOSSIL)
-
Neritodryas globosa
J. de C. Sowerby, 1823 † (FOSSIL)
-
Theodoxus gloeri
D.A. Odabasi & Arslan, 2015
-
Theodoxus gloeri
D.A. Odabasi & Arslan, 2015
-
Theodoxus gnezdai
(Š. Brusina, 1884 †) (FOSSIL)
-
Nerita gouetensis
Symonds & J.M. Pacaud, 2010 † (FOSSIL)
-
Neritina granosa
G.B. I Sowerby, 1825
-
Nerita granulosa
G.P. Deshayes, 1824 † (FOSSIL)
-
Nerita grasi
T.C. Eichhorst, 2016
-
Theodoxus grateloupianus
(A.E.J. Férussac, 1823 †) (FOSSIL)
-
Theodoxus grateloupianus trigonulus
Kókay, 2006 † (FOSSIL)
-
Theodoxus gregarius
(Thomä, 1845 †) (FOSSIL)
-
Nerita grisea
L.A. Reeve, 1855
-
Nerita grossa
C. Linnaeus, 1758
-
Theodoxus groyanus
(A.E.J. Férussac, 1823 †) (FOSSIL)
-
Theodoxus guadianensis
M.de la Paz Graells, 1846
-
Theodoxus guadianensis valentina
M.de la Paz Graells, 1846
-
Nerita guamensis
J.R.C. Quoy & J.P. Gaimard, 1834
-
Neritina (Neripteron) guerini
(C.A. Récluz, 1841)
-
Neritodryas guillioui
Symonds & J.M. Pacaud, 2010 † (FOSSIL)
-
Nerita hadra
W.P. Woodring, 1973 † (FOSSIL)
-
Theodoxus heldreichi
(E.C. Von Martens, 1879)
-
Theodoxus heldreichi fluvicola
H. Schütt & R. Sesen, 1992
-
Nerita helicinoides
L.A. Reeve, 1855
-
Nerita helicinoides laevilabris
(H.A. Pilsbry, 1895)
-
Nerita helicinoides martensiana
(H.A. Pilsbry, 1901)
-
Theodoxus hellenicus
(Bukowski, 1896 †) (FOSSIL)
-
Theodoxus hellenicus constrictus
(Bukowski, 1896 †) (FOSSIL)
-
Theodoxus hellenicus pseudomicans
(Bukowski, 1896 †) (FOSSIL)
-
Theodoxus (Clithon) hillae
Symonds, 2015
-
Theodoxus hisingeri
(L.M.D. Bellardi & O.G. Michelotti, 1841 †) (FOSSIL)
-
Theodoxus hispalensis
(E.C. Von Martens, 1879)
-
Theodoxus hoernesanus
(C.G. Semper, 1867 †) (FOSSIL)
-
Neritina (Pseudonerita) holoserica
(A. Garrett, 1872)
-
Neritina (Pseudonerita) holosericea
(A. Garrett, 1872)
-
Theodoxus imbricatus
(Š. Brusina, 1878 †) (FOSSIL)
-
Theodoxus imbricatus exarmatus
(Š. Brusina, 1907 †) (FOSSIL)
-
Neritina imitans
E.A.L. Kittl, 1892 † (FOSSIL)
-
Nerita incerta
(G. von dem Busch in R.A. Philippi, 1844)
-
Nerita (Ritena) incurva
E.C. Von Martens
-
Theodoxus ingulenzis
Gozhik in Gozhik & Datsenko, 2007 † (FOSSIL)
-
Nerita insculpta
C.A. Récluz, 1841
-
Neritina insolita
L.W. Stephenson, 1953 † (FOSSIL)
-
Theodoxus intracarpaticus
E. Jekelius, 1944 † (FOSSIL)
-
Neritina isabelae
B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † (FOSSIL)
-
Septaria janelli
(C.A. Récluz, 1841)
-
Neritina janetabbasae
Eichhorst, 2016
-
Corsania (Januncia) janus
R.L. Squires & Saul, 2003 † (FOSSIL)
-
Nerita japonica
R.W. Dunker, 1860
-
Neritodryas javanica
Eichhorst, 2016
-
Theodoxus jekeliusi
Jurišic-Polšak, 1979 † (FOSSIL)
-
Smaragdia jogjacartensis
K. Martin, 1916 † (FOSSIL)
-
Theodoxus jordani
G.B. I Sowerby, 1844
-
Neritina (Vittina) jovis
(C.A. Récluz, 1843)
-
Neritina jungi
Costa & al., 2001 † (FOSSIL)
-
Neritina juttingae
H.K. Mienis, 1973
-
Neritina kaffra
(W. Wood, 1828)
-
Theodoxus kalodictya
(N.I. Andrusov, 1909 †) (FOSSIL)
-
Theodoxus karasuna
A. Mousson
-
Otostoma kassenbergensis
S. Kiel & K. Bandel, 2004 † (FOSSIL)
-
Nerita (Theliostyla) kennedyi
R.L. Squires & Saul, 2003 † (FOSSIL)
-
Theodoxus koslinskyi
(Porumbaru, 1881 †) (FOSSIL)
-
Neritina (Vitta) kuramoensis
V.L.A. Yoloye & O.S. Adegoke, 1977
-
Neritina labiosa
G.B. I Sowerby, 1825
-
Theodoxus lamellatus
(Š. Brusina, 1892 †) (FOSSIL)
-
Septaria laperousei
C.A. Récluz, 1842
-
Neritina latissima
W.J. Broderip, 1833
-
Neritina latissima cassiculum
(G.B. I Sowerby, 1836)
-
Neritina latissima fontaineanum
(A.V.M.D. D'Orbigny, 1840)
-
Theodoxus (Clithon) leachii
(C.A. Récluz, 1841)
-
Neritina (Neripteron) lecontei
(C.A. Récluz, 1853)
-
Theodoxus (Clithon) lentiginosus
(L.A. Reeve, 1855)
-
Theodoxus leobersdorfensis
(Handmann, 1887 †) (FOSSIL)
-
Theodoxus leobersdorfensis dacicus
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus leobersdorfensis markuseveci
Jurišic-Polšak, 1979 † (FOSSIL)
-
Theodoxus leobersdorfensis oblongus
(Handmann, 1887 †) (FOSSIL)
-
Theodoxus licherdopoli
(Stefanescu, 1896 †) (FOSSIL)
-
Septaria lineata
(J.B.P.A. Lamarck, 1816)
-
Theodoxus lineatus
(Sinzov, 1896 †) (FOSSIL)
-
Nerita lirellata
(H.A. Rehder, 1980)
-
Nerita listrota
W.P. Woodring, 1973 † (FOSSIL)
-
Nerita litterata
J.F. Gmelin, 1791
-
Theodoxus lituratus
K.E.I. von Eichwald, 1838
-
Septaria livida
(L.A. Reeve, 1856)
-
Nerita longii
C.A. Récluz, 1842
-
Theodoxus longispina
C.A. Récluz
-
Theodoxus lorkovici
(Š. Brusina, 1878 †) (FOSSIL)
-
Theodoxus (Clithon) luctuosus
(C.A. Récluz, 1841)
-
Theodoxus luteofasciatus
(K. Miller, 1879)
-
Nerita luteonigra
(H. Dekker, 2000)
-
Theodoxus lutetianus
Monfort, 1810 † (FOSSIL)
-
Septaria luzonica
(C.A. Récluz, 1841)
-
Theodoxus macedonicus
W.A. Wenz, 1943 † (FOSSIL)
-
Neritina macgillivrayi
L.A. Reeve, 1855
-
Theodoxus macri
(G.B. Sowerby, 1849)
-
Septaria macrocephala
E.J. Le Guillou, 1841
-
Theodoxus maculosus
Gozhik in Gozhik & Datsenko, 2007 † (FOSSIL)
-
Theodoxus (Clithon) madecassinus
(P.M.A. Morelet, 1860)
-
Nerita magdalenae
J.F. Gmelin, 1791
-
Theodoxus (Ninnia) magna
N.I. Andrusov, 1909 † (FOSSIL)
-
Nerita (Trochonerita) mammaeformis
Renaux in A.E.M. Cossmann, 1907 † (FOSSIL)
-
Semineritina mammaria
(J.B.P.A. Lamarck, 1804 †) (FOSSIL)
-
Nerita marcouana
Cragin, 1895 † (FOSSIL)
-
Theodoxus maresi
(J.R. Bourguignat, 1864)
-
Neritina mariae
Handmann, 1887 † (FOSSIL)
-
Nerita marinduquenensis
Vallejo, 2000
-
Theodoxus marteli
(P.M. Pallary, 1920)
-
Theodoxus marteli nigra
(P.M. Pallary, 1918)
-
Theodoxus (Ninnia) martensi
(Š. Brusina, 1884 †) (FOSSIL)
-
Neritina martini
R.E. Dickerson, 1915 † (FOSSIL)
-
Nerita maura
C.A. Récluz, 1842
-
Neritina mauriciae
R.P. Lesson, 1831
-
Neritina (Clypeolum) mauritii
(R.P. Lesson, 1831)
-
Nerita maxima
J.F. Gmelin, 1791
-
Neritina maxwellorum
A.G. Beu & B.A. Marshall, 2011 † (FOSSIL)
-
Theodoxus mayeri
(C.G. Semper, 1867 †) (FOSSIL)
-
Tomostoma medianum
A.E.M. Cossmann & G. Pissarro, 1902 † (FOSSIL)
-
Neritina meesi
B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † (FOSSIL)
-
Neritina (Neritona) melanesica
(E. Riech, 1935)
-
Nerita melanotragus
E.A. Smith, 1884
-
Neritina meleagris
(J.B.P.A. Lamarck, 1822)
-
Nerita menkeana
C.A. Récluz, 1842
-
Theodoxus meridionalis
R.A. Philippi, 1836
-
Smaragdia merignacensis
(A.E.M. Cossmann & M.A. Peyrot, 1917 †) (FOSSIL)
-
Neritina mesopotamica
E.C. Von Martens, 1874
-
Theodoxus micans
(Gaudry & Fischer in Gaudry, 1867 †) (FOSSIL)
-
Theodoxus micans bollenensis
(C.F. Fontannes, 1879 †) (FOSSIL)
-
Theodoxus micans minoriformis
Papp in Papp & Thenius, 1952 † (FOSSIL)
-
Theodoxus micans rubricatus
(J. Almera, 1894 †) (FOSSIL)
-
Theodoxus (Clithon) michaudi
(C.A. Récluz, 1841)
-
Theodoxus (Neritaea) michonii
(J.R. Bourguignat, 1852)
-
Theodoxus milachevitchi
A.N. Golikov & Y.I. Starobogatov, 1966
-
Theodoxus milessii
Papp, 1979 † (FOSSIL)
-
Theodoxus militaris
(M. von Neumayr, 1869 †) (FOSSIL)
-
Theodoxus militaris decostatus
(Š. Brusina, 1897 †) (FOSSIL)
-
Theodoxus militaris jurisicpolsakae
T.A. Neubauer, M. Harzhauser, A. Kroh, E. Georgopoulou & O. Mandic, (FOSSIL)
-
Theodoxus miljkovici
(Š. Brusina, 1902 †) (FOSSIL)
-
Theodoxus millepunctatus
(Š. Brusina, 1902 †) (FOSSIL)
-
Cryptonerita minima
Assmann, 1924 † (FOSSIL)
-
Theodoxus moeschi
É.A.A. Locard, 1893 † (FOSSIL)
-
Theodoxus moosbrunnensis
Papp, 1953 † (FOSSIL)
-
Theodoxus morellii
(L.M.D. Bellardi & O.G. Michelotti, 1841 †) (FOSSIL)
-
Nerita morio
(G.B. I Sowerby, 1833)
-
Theodoxus (Clithon) morosa
J. Gassies, 1870
-
Theodoxus (Clithon) mortoni
Symonds, 2015
-
Theodoxus morulus
Kühn, 1963 † (FOSSIL)
-
Nerita munita
E. Forbes, 1846
-
Theodoxus mutinensis
C. d'Ancona, 1869 † (FOSSIL)
-
Theodoxus mutinensis interpositus
(F. Sacco, 1896 †) (FOSSIL)
-
Nerita namnetensis
Vasseur, 1881 † (FOSSIL)
-
Neritina natalensis
L.A. Reeve, 1855
-
Neritina neglecta
(W.H. Pease, 1861)
-
Nerita neritopsoides
L.A. Reeve, 1855
-
Theodoxus neumayri
(Burgerstein, 1877 †) (FOSSIL)
-
Nerita nigerrima
J.H. Chemnitz
-
Theodoxus (Clithon) nigrispinis
R.P. Lesson, 1831
-
Nerita nigrita
(P.F. Röding, 1798)
-
Theodoxus niloticus
L.A. Reeve, 1856
-
Theodoxus nitens
Gozhik, 2002 † (FOSSIL)
-
Theodoxus nivosus
(Š. Brusina, 1874 †) (FOSSIL)
-
Nerita nodulosa
A.J. Jukes-Browne, 1877 † (FOSSIL)
-
Neritodryas notabilis
E. Riech, 1935
-
Theodoxus novorossicus
(Sinzov, 1896 †) (FOSSIL)
-
Theodoxus (Clithon) nucleolus
(P.M.A. Morelet, 1857)
-
Theodoxus numidicus
(C.A. Récluz, 1841)
-
Neritina nunoi
B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † (FOSSIL)
-
Theodoxus (Clithon) obscuratus
Unknown Author
-
Neritina obtusa
(W.H. Benson, 1836)
-
Theodoxus obtusangulaeformis
Gozhik, 2002 † (FOSSIL)
-
Pseudodostia ocalana
G.J. Vermeij & R. Portell, 2013 † (FOSSIL)
-
Nerita ocellata
E.J. Le Guillou, 1841
-
Theodoxus octagonus
Eichhorst, 2016
-
Nerita oligopleura
W.H. Dall & Oschner, 1928 † (FOSSIL)
-
Theodoxus (Clithon) olivaceum
(C.A. Récluz, 1842)
-
Nerita olivaria
E.J. Le Guillou, 1841
-
Nerita orbignyana
C.A. Récluz, 1841
-
Nerita ornata
L.W. Stephenson, 1953 † (FOSSIL)
-
Nerita ornata
E. Forbes, 1846
-
Nerita orovillensis
R.L. Squires & Saul, 2005 † (FOSSIL)
-
Neritina ortoni
T.A. Conrad, 1871 † (FOSSIL)
-
Nerita oryzarum
(C.A. Récluz, 1841)
-
Theodoxus (Clithon) oualaniensis
(R.P. Lesson, 1831)
-
Nerita oviformis
E. Forbes, 1846
-
Neritina oweniana
(W. Wood, 1828)
-
Neritina owenii
J. Mawe, 1823
-
Theodoxus oxytropida
(N.I. Andrusov, 1909 †) (FOSSIL)
-
Agapilia pachii
(M. Hörnes, 1848 †) (FOSSIL)
-
Neritina pachyderma
C.L.F. von Sandberger, 1875 † (FOSSIL)
-
Septaria pala
Unknown Author
-
Nerita palaeomorpha
C. Gemmellaro, 1889 † (FOSSIL)
-
Theodoxus pallasi
W.A. Lindholm, 1924
-
Theodoxus pallidus
R.W. Dunker, 1861
-
Neritina (Neripteron) panayanum
(C.A. Récluz, 1843)
-
Theodoxus pappi
Sauerzopf, 1952 † (FOSSIL)
-
Theodoxus paradisii
(Magrograssi, 1928 †) (FOSSIL)
-
Clithon parvulum
(E.J. Le Guillou, 1841)
-
Theodoxus (Pictoneritina) passyanus
(G.P. Deshayes, 1864 †) (FOSSIL)
-
Theodoxus (Pictoneritina) passyanus denslatus
Symonds, 2002 † (FOSSIL)
-
Smaragdia patburkeae
Eichhorst, 2016
-
Theodoxus patrae
D. Esu & O. Girotti, 2015 † (FOSSIL)
-
Neritina patricknuttalli
Wesselingh, 2003 † (FOSSIL)
-
Nerita patula
C.A. Récluz, 1841
-
Nerita (Theliostyla) paucigranosa
G.J. Vermeij, M.A. Frey & B.M. Landau, 2009 † (FOSSIL)
-
Smaragdia paulucciana
(J. Gassies, 1870)
-
Theodoxus pavlovici
Miloševic, 1983 † (FOSSIL)
-
Nerita pecosensis
Stanton, 1947 † (FOSSIL)
-
Theodoxus (Clithon) peguensis
G.F. Angas, 1877
-
Theodoxus peloponensis
(C.A. Récluz, 1841)
-
Nerita peloronta
C. Linnaeus, 1758
-
Neritina (Vittina) pennata
(I. von Born, 1778)
-
Theodoxus percarinatus
(P. Oppenheim, 1919 †) (FOSSIL)
-
Cryptonerita peris
Pan, 1977 † (FOSSIL)
-
Nerita perlucida
A.E.M. Cossmann & G. Pissarro † (FOSSIL)
-
Neritina (Vitta) perottetiana
(C.A. Récluz, 1841)
-
Velates perserva
(J.F. Gmelin, 1791 † †) (FOSSIL)
-
Velates perversus
(J.F. Gmelin, 1791 †) (FOSSIL)
-
Theodoxus petasatus
(Seninski, 1905 †) (FOSSIL)
-
Neritina petiti
C.A. Récluz, 1841
-
Nerita phasiana
C.A. Récluz, 1842
-
Theodoxus philippianus
É.A.A. Locard, 1883 † (FOSSIL)
-
Nerita picea
C.A. Récluz, 1841
-
Neritina picta
Ferussac, 1825 † (FOSSIL)
-
Neritina (Vitta) picta
(Handmann, 1889 †) (FOSSIL)
-
Neritina (Vitta) picta
(A.E.J. Férussac, 1825 †) (FOSSIL)
-
Neritina (Vitta) picta
(Csepreghy-Meznerics, 1950 †) (FOSSIL)
-
Neritina (Vitta) picta
(J.P.S. Grateloup, 1839 †) (FOSSIL)
-
Neritina (Vitta) picta
(Schréter in Horusitzky, 1915 †) (FOSSIL)
-
Neritina (Vitta) picta bizonalis
(J.P.S. Grateloup, 1839 †) (FOSSIL)
-
Neritina (Vitta) picta tuberculata
(Schréter in Horusitzky, 1915 †) (FOSSIL)
-
Theodoxus pilari
(Š. Brusina, 1884 †) (FOSSIL)
-
Neritina (Neripteron) pileolus
(C.A. Récluz, 1850)
-
Theodoxus pilidei
J.R. Tournouër, 1839
-
Neritina pilisensis
Baldi, 1973 † (FOSSIL)
-
Neritina piratica
H.D. Russell, 1940
-
Neritina (Neritona) planissima
(A. Mousson, 1869)
-
Nerita planospira
H.E. Anton, 1839
-
Neritina (Neripteron) platyconcha
T.N. Annandale & B. Prashad, 1919
-
Theodoxus platystoma
(Š. Brusina, 1874 †) (FOSSIL)
-
Nerita plicata
C. Linnaeus, 1758
-
Neritina plumbea
G.B. I Sowerby, 1849
-
Nerita (Theliostyla) plutonis
(B. de Basterot, 1825 †) (FOSSIL)
-
Theodoxus (Clithon) pococki
Symonds, 2015
-
Nerita polita
C. Linnaeus, 1758
-
Theodoxus politioanei
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus politus
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus politus andrussovi
Iljina, 1976 † (FOSSIL)
-
Neritina (Vittina) pomahakaensis
(Finlay, 1924 †) (FOSSIL)
-
Neritina porcata
A.A. Gould, 1848
-
Septaria porcellana
(C. Linnaeus, 1758)
-
Septaria porcellana cumingiana
C.A. Récluz, 1843
-
Theodoxus postcrenulatus
Papp, 1953 † (FOSSIL)
-
Neritina (Vittina) pouchetii
(J.B. Hombron & C.H. Jacquinot, 1854)
-
Neritina powisiana
(C.A. Récluz, 1843)
-
Theodoxus prevostianus
(L. Pfeiffer, 1828 )
-
Theodoxus (Clithon) pritchardi
(W.L.H. Dohrn, 1861)
-
Theodoxus prozlatarici
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus pseudodacicus
T.A. Neubauer, M. Harzhauser, E. Georgopoulou, O. Mandic & A. Kroh, † (FOSSIL)
-
Theodoxus pseudodanubialis
(Sinzov, 1896 †) (FOSSIL)
-
Theodoxus pseudofluviatilis
É.A.A. Locard, 1893 † (FOSSIL)
-
Theodoxus pseudograteloupanus
(Sinzov, 1884 †) (FOSSIL)
-
Septaria psittacea
L.A. Reeve
-
Theodoxus (Clithon) pulchellus
(C.A. Récluz, 1843)
-
Smaragdia pulcherrima
(G.F. Angas, 1871)
-
Neritina pulligera
(C. Linnaeus, 1767)
-
Neritina pulligera knorri
C.A. Récluz, 1841
-
Neritina puncta
Etheridge, 1879 † (FOSSIL)
-
Theodoxus punctatolineatus
(Sinzov, 1896 †) (FOSSIL)
-
Neritina (Vittina) puncticulata
(J.B.P.A. Lamarck, 1822)
-
Neritina punctulata
J.B.P.A. Lamarck, 1816
-
Puperita pupa
(C. Linnaeus, 1767)
-
Puperita pupa tristis
(A.V.M.D. D'Orbigny, 1842)
-
Smaragdia purpureomaculata
H. Dekker, 2000
-
Nerita quadricolor
J.F. Gmelin, 1791
-
Theodoxus quadrifasciatus
(E.A. Bielz, 1864 †) (FOSSIL)
-
Nerita radiata
C.A. Récluz, 1841
-
Theodoxus radmanesti
(A. Fuchs, 1870 †) (FOSSIL)
-
Theodoxus radovanovici
(Š. Brusina, 1893 †) (FOSSIL)
-
Smaragdia rangiana
(C.A. Récluz, 1841)
-
Theodoxus (Clithon) rarispinus
(A. Mousson, 1849)
-
Theodoxus (Clithon) recluzianus
E.J. Le Guillou, 1841
-
Theodoxus reiseri
(Š. Brusina, 1902 †) (FOSSIL)
-
Theodoxus reticularis
G.B. Sowerby, 1838
-
Theodoxus reticulatus
Pana, 1990 † (FOSSIL)
-
Nerita reticulirata
D.T. Dockery, 1993 † (FOSSIL)
-
Theodoxus (Clithon) retifera
(W.H. Benson, 1836)
-
Theodoxus (Clithon) retropictum
(E.C. Von Martens, 1879)
-
Otostoma retzii
(S. Nilsson, 1827 †) (FOSSIL)
-
Theodoxus rhodiensis
(J.R. Tournouër in Fischer, 1877 †) (FOSSIL)
-
Corsania (Januncia) rhoga
R.L. Squires & Saul, 1997 † (FOSSIL)
-
Velates rogeri
Abbass, 1967 † (FOSSIL)
-
Vittina roissyana
(C.A. Récluz, 1841)
-
Smaragdia roseopicta
K.H.J. Thiele, 1930
-
Smaragdia (Smaragdella) roseotincta
K.H.J. Thiele, 1930 † (FOSSIL)
-
Neritina (Neripteron) rostratus
(L.A. Reeve, 1856)
-
Neritina roxoi
Greve, 1938 † (FOSSIL)
-
Neritina (Neripteron) rubicunda
E.C. Von Martens, 1879
-
Neritina rubricata
P.M.A. Morelet, 1858
-
Neritina rudia
A. Mousson, 1857
-
Theodoxus (Clithon) rugatus
C.A. Récluz, 1842
-
Velates rugatus
Abbass, 1967 † (FOSSIL)
-
Theodoxus (Clithon) ruginosus
C.A. Récluz, 1841
-
Theodoxus rugosus
(P.S. Pavlovic, 1931 †) (FOSSIL)
-
Nerita rugulosa
G.J. Vermeij, M.A. Frey & B.M. Landau, 2009 † (FOSSIL)
-
Neritina (Vitta) rumeliana
M. Harzhauser, O. Mandic & al., 2016 † (FOSSIL)
-
Theodoxus saincenyensis
G.P. Deshayes, 1864 † (FOSSIL)
-
Theodoxus sandalina
C.A. Récluz, 1842
-
Nerita sandbergeri
Fischer & W.A. Wenz, 1912 † (FOSSIL)
-
Neritina sanguinea
G.B. I Sowerby, 1849
-
Nerita (Theliostyla) sanguinolenta
(K.T. Menke, 1829)
-
Nerita (Theliostyla) sanguinolenta marmorata
L.A. Reeve, 1855
-
Septaria sanguisuga
(L.A. Reeve, 1856)
-
Theodoxus sarmaticus
(W.A. Lindholm, 1901)
-
Theodoxus saulcyi
(J.R. Bourguignat, 1852)
-
Nerita sayana
C.A. Récluz, 1844
-
Nerita scabricosta
J.B.P.A. Lamarck, 1822
-
Nerita scabricosta ornata
(G.B. I Sowerby, 1833)
-
Theodoxus scamandrius
(Calvert & M. von Neumayr, 1880 †) (FOSSIL)
-
Theodoxus schachmaticus
(N.I. Andrusov, 1909 †) (FOSSIL)
-
Agapilia schlickumi
T. Kowalke & Reichenbacher, 2005 † (FOSSIL)
-
Theodoxus schultzi
(O.A. Grimm, 1877)
-
Theodoxus scoliogramma
(Š. Brusina, 1884 †) (FOSSIL)
-
Theodoxus scriptus
(Stefanescu, 1896 †) (FOSSIL)
-
Neritina seani
B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † (FOSSIL)
-
Neritina semiconica
(J.B.P.A. Lamarck, 1822)
-
Theodoxus semidentatus
(C.L.F. von Sandberger, 1875 †) (FOSSIL)
-
Nerita semilevis
L.W. Stephenson, 1953 † (FOSSIL)
-
Nerita semilugubris
G.P. Deshayes, 1864 † (FOSSIL)
-
Theodoxus semiplicatus
(M. von Neumayr, 1875 †) (FOSSIL)
-
Theodoxus semiplicatus nigra
E. Jekelius, 1932 † (FOSSIL)
-
Nerita semirugosa
C.A. Récluz, 1841
-
Nerita senegalensis
J.F. Gmelin, 1791
-
Theodoxus serratiliniformis
D. Geyer, 1914 † (FOSSIL)
-
Theodoxus serrulatus
(Š. Brusina, 1892 †) (FOSSIL)
-
Nerita (Argonerita) signata
(J.B.P.A. Lamarck, 1822)
-
Nerita (Argonerita) signata reticulata
(D.L.G. Karsten, 1789)
-
Neritina (Neripteron) simoni
(B. Prashad, 1921)
-
Neritodryas simplex
M.M. Schepman, 1919
-
Theodoxus simplex
(A. Fuchs, 1877 †) (FOSSIL)
-
Theodoxus sinjanus
(Š. Brusina, 1876 †) (FOSSIL)
-
Neritina (Neripteron) siquijorensis
(C.A. Récluz, 1843)
-
Theodoxus slavonicus
(Š. Brusina, 1878 †) (FOSSIL)
-
Neritina smithi
J.E. Gray
-
Neritina (Vitta) sobrina
(C.A. Récluz, 1845)
-
Theodoxus sobrinus
A.E.J. Férussac, 1823 † (FOSSIL)
-
Theodoxus soceni
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus soceni berzavensis
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus soceni striatus
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus (Ninnia) sokolovi
N.I. Andrusov, 1909 † (FOSSIL)
-
Theodoxus (Clithon) solitarius
Unknown Author
-
Neritina (Vittina) solium
(C.A. Récluz, 1846)
-
Theodoxus sophievkaensis
Gozhik in Gozhik & Datsenko, 2007 † (FOSSIL)
-
Theodoxus (Clithon) souleyetanus
C.A. Récluz, 1842
-
Smaragdia souverbiana
(R.P. Montrouzier, 1863)
-
Theodoxus (Clithon) sowerbianus
C.A. Récluz, 1842
-
Neritina sparsilineata
W.H. Dall, 1913 † (FOSSIL)
-
Neritina sphaerica
A.A. Olsson & A. Harbison, 1953 † (FOSSIL)
-
Theodoxus sphaeroidalis
(Revilla, 1958 †) (FOSSIL)
-
Theodoxus (Clithon) spiniferus
(C.A. Récluz, 1842)
-
Theodoxus (Clithon) spinosum
(G.B. I Sowerby, 1825)
-
Neritina (Neripteron) spirale
(L.A. Reeve, 1856)
-
Theodoxus spratti
(B.W. Jenkins, 1864 †) (FOSSIL)
-
Neritina squamaepicta
(C.A. Récluz, 1843)
-
Neritina squamipicta
(C.A. Récluz, 1843)
-
Theodoxus (Clithon) squamosus
Unknown Author
-
Nerita squamulata
E.J. Le Guillou, 1841
-
Neritina squamulifera
C.L.F. von Sandberger, 1875 † (FOSSIL)
-
Theodoxus (Clithon) squarrosum
(C.A. Récluz, 1842)
-
Theodoxus (Clithon) squarrosum cruenta
E.C. Von Martens, 1865
-
Theodoxus (Clithon) squarrosum major
E.C. Von Martens, 1878
-
Theodoxus (Clithon) squarrosum media
E.C. Von Martens, 1878
-
Theodoxus (Clithon) squarrosum nigricans
E.C. Von Martens, 1878
-
Theodoxus (Clithon) squarrosum nigrofasciata
E.C. Von Martens, 1878
-
Theodoxus (Clithon) squarrosum spinifera
E.C. Von Martens, 1878
-
Theodoxus stanae
(Š. Brusina, 1893 †) (FOSSIL)
-
Theodoxus stefanescui
(C.F. Fontannes, 1887 †) (FOSSIL)
-
Theodoxus stefanescuiformis
Gozhik in Gozhik & Datsenko, 2007 † (FOSSIL)
-
Theodoxus stoicai
T.A. Neubauer, M. Harzhauser, E. Georgopoulou, O. Mandic & A. Kroh, † (FOSSIL)
-
Nerita striata
E.J. Burrow, 1815
-
Theodoxus (Clithon) striolatus
(C.A. Récluz, 1841)
-
Neritina subangularis
(C.L.F. von Sandberger, 1860 †) (FOSSIL)
-
Neritina (Neripteron) subauriculatum
(C.A. Récluz, 1843)
-
Theodoxus (Ninnia) subcarinata
N.I. Andrusov, 1909 † (FOSSIL)
-
Theodoxus subdoricus
H. Schütt, 1976 † (FOSSIL)
-
Theodoxus subglobosus
(K.E.I. von Eichwald, 1853 †) (FOSSIL)
-
Theodoxus (Clithon) subgranosus
(G.B. I Sowerby, 1831)
-
Neritina subocellata
(J.R.C. Quoy & J.P. Gaimard, 1832)
-
Neritoplica subornata
(Orbigny, 1850 †) (FOSSIL)
-
Theodoxus (Clithon) subpunctatus
C.A. Récluz, 1843
-
Theodoxus subquadrofasciatus
Gozhik, 2002 † (FOSSIL)
-
Theodoxus (Clithon) subrugatus
W. Baird, 1850
-
Nerita subrugosa
Hudleston † (FOSSIL)
-
Theodoxus subslavonicus
Gozhik, 2002 † (FOSSIL)
-
Neritodryas subsulcata
(G.B. I Sowerby, 1836)
-
Theodoxus subterrelictus
H. Schütt, 1963
-
Theodoxus subthermalis
J.R. Bourguignat in A. Issel, 1865
-
Neritina (Neripteron) subviolaceum
T.C. Eichhorst, 2016
-
Septaria suffreni
(C.A. Récluz, 1841)
-
Neritina sulcata
J.E. Tenison-Woods, 1878
-
Neritina sulculosa
(J.R.C. Quoy & J.P. Gaimard, 1832)
-
Theodoxus sundicus
(N.I. Andrusov, 1909 †) (FOSSIL)
-
Theodoxus suskalovici
(P.S. Pavlovic, 1903 †) (FOSSIL)
-
Theodoxus sycophantus
(Š. Brusina, 1878 †) (FOSSIL)
-
Theodoxus syriacus
(J.R. Bourguignat, 1852)
-
Septaria tahitiana
Eichhorst, 2016
-
Septaria taitana
A. Mousson, 1869
-
Neritina taitensis
(R.P. Lesson, 1831)
-
Theodoxus (Ninnia) taonura
N.I. Andrusov, 1909 † (FOSSIL)
-
Velates tebanensis
Abbass, 1967 † (FOSSIL)
-
Nerita (Fluvinerita) tenebricosa
(C.B. Adams, 1851)
-
Theodoxus (Clithon) teres
T.C. Eichhorst, 2016
-
Nerita tessellata
J.F. Gmelin, 1791
-
Septaria tessellata
(J.B.P.A. Lamarck, 1816)
-
Neritoma tethys
Morris 1949 † (FOSSIL)
-
Nerita textilis
J.F. Gmelin, 1791
-
Neritina tiassalensis
E.E. Binder, 1955
-
Theodoxus timisensis
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus tingitana
(P.M. Pallary, 1936)
-
Neritina tjidamarensis
Martin, 1879 † (FOSSIL)
-
Theodoxus tortuosus
E. Jekelius, 1944 † (FOSSIL)
-
Smaragdia tragena
(T. Iredale, 1936)
-
Theodoxus transversalis
(L. Pfeiffer, 1828)
-
Nerita (Theliostyla) triangulata
W.M. Gabb, 1869 † (FOSSIL)
-
Nerita tricarinata
J.B.P.A. Lamarck, 1804 † (FOSSIL)
-
Nerita tricarinata pentastoma
G.P. Deshayes, 1864 † (FOSSIL)
-
Theodoxus trifasciatus
(J.P.S. Grateloup, 1839 †) (FOSSIL)
-
Theodoxus trilophosensis
Rust, 1997 † (FOSSIL)
-
Nerita tristis
H.A. Pilsbry, 1901
-
Theodoxus (Clithon) tritonensis
(E.J. Le Guillou, 1841)
-
Theodoxus tropidophorus
(Š. Brusina, 1884 †) (FOSSIL)
-
Cuisenerita tuberosa
Symonds & J.M. Pacaud, 2010 † (FOSSIL)
-
Theodoxus turbinatus
(A. Fuchs, 1870 †) (FOSSIL)
-
Theodoxus turislavicus
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus turislavicus macrostriatus
Papp, 1953 † (FOSSIL)
-
Neritina turrita
(J.F. Gmelin, 1791)
-
Neritina turrita cumingiana
C.A. Récluz
-
Neritina (Vittina) turtoni
(C.A. Récluz, 1843)
-
Nerita umlaasiana
(C.F.F. von Krauss, 1848)
-
Nerita undata
C. Linnaeus, 1758
-
Nerita undata spengleriana
C.A. Récluz, 1844
-
Nerita undulata
J.F. Gmelin, 1791
-
Theodoxus unguiculatus
(Seninski, 1905 †) (FOSSIL)
-
Neritina unidenta
T.H. Aldrich, 1911 † (FOSSIL)
-
Neritina unidentata
C.A. Récluz, 1850
-
Neritina usnea
(P.F. Röding, 1798)
-
Neritina usnea reclivata
T. Say, 1822
-
Neritina usnea sphaera
H.A. Pilsbry, 1931
-
Theodoxus valentinus
M.de la Paz Graells, 1846
-
Septaria variabilis
C.A. Récluz, 1841
-
Neritina variegata
R.P. Lesson, 1831
-
Theodoxus varius
(B. Ziegler in K.T. Menke, 1828)
-
Theodoxus varius callosus
(G.P. Deshayes, 1835)
-
Neritina velascoi
M.de la Paz Graells, 1846
-
Theodoxus veljetinensis
(P.S. Pavlovic, 1903 †) (FOSSIL)
-
Theodoxus veljetinensis deici
Miloševic, 1983 † (FOSSIL)
-
Theodoxus velox
V.V. Anistratenko, 1999
-
Theodoxus venustus
(Š. Brusina, 1897 †) (FOSSIL)
-
Nerita versicolor
J.F. Gmelin, 1791
-
Nerita versicolor nigrocincta
G.W. Nowell-Usticke, 1959
-
Theodoxus vespertinus
(G.B. I Sowerby, 1849)
-
Neritina vetranici
(Š. Brusina, 1902 †) (FOSSIL)
-
Nerita vexillum
L.A. Reeve, 1855
-
Puperita vincta
G.W. Nowell-Usticke, 1959
-
Neritina violacea
(J.F. Gmelin, 1791)
-
Neritina violacea crepidularia
J.B.P.A. Lamarck, 1822
-
Neritina virginea
(C. Linnaeus, 1758)
-
Smaragdia viridis
(C. Linnaeus, 1758)
-
Smaragdia viridis viridemaris
C.J. Maury, 1917
-
Smaragdia viridis viridimaris
C.J. Maury, 1917
-
Velates vizcainoensis
Cushing Woods & Saul, 1986 † (FOSSIL)
-
Velates vokesi
Cooke, 1946 † (FOSSIL)
-
Theodoxus vondeli
J.R. Bourguignat, 1880
-
Theodoxus vondeli aurantium
(P.M. Pallary, 1936)
-
Neritina (Vittina) waigensis
(R.P. Lesson, 1831)
-
Vittina waigiensis
(R.P. Lesson, 1831)
-
Theodoxus (Clithon) wallacei
(W.L.H. Dohrn, 1861)
-
Neritina (Vittina) wallisiarum
(C.A. Récluz, 1850)
-
Theodoxus (Pictoneritina) waltoni
Symonds, 2002 † (FOSSIL)
-
Neritina (Nereina) woodwardi
R.J.L. Guppy, 1866 † (FOSSIL)
-
Neritina wyomingensis
Stanton, 1899
-
Theodoxus xanthozona
(Š. Brusina, 1884 †) (FOSSIL)
-
Nerita yoldii
C.A. Récluz, 1841
-
Theodoxus zagradovkaensis
Gozhik, 2002 † (FOSSIL)
-
Nerita (Amphinerita) zatinii
Bertarelli & Inzani, 1985
-
Neritina zebra
(J.G. Bruguière, 1792)
-
Neritina (Vittina) ziczac
(J.B.P.A. Lamarck, 1816)
-
Neritina (Vittina) ziczac interstitialis
(E.C. Von Martens, 1877)
-
Theodoxus zivkovici
(P.S. Pavlovic, 1903 †) (FOSSIL)
-
Theodoxus zlatarici
(Š. Brusina, 1902 †) (FOSSIL)
-
Theodoxus zografi
(Š. Brusina, 1902 †) (FOSSIL)
-
Theodoxus zografi perlongus
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus zografi petralbensis
E. Jekelius, 1944 † (FOSSIL)
-
Theodoxus zografi rotundatus
Papp, 1953 † (FOSSIL)
-
Theodoxus zonarius
G.P. Deshayes, 1825 † (FOSSIL)
|