Theodoxus
Theodoxus is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).

Soorten 
 Theodoxus abnormis (Jenkins, 1864) †
 Theodoxus acuticarinatus (Fuchs, 1870) †
 Theodoxus almelae (Revilla, 1958) †
 Theodoxus amblygonioides Wenz, 1930 †
 Theodoxus amethystinus (Brusina, 1874) †
 Theodoxus anconae (Capellini, 1880) †
 Theodoxus angularis Gozhik, 2002 †
 Theodoxus anonymus Anistratenko & Gozhik, 1995 †
 Theodoxus astrachanicus Starobogatov in Starobogatov, Filchakov, Antonova & Pirogov, 1994
 Theodoxus atticus Kühn, 1963 †
 Theodoxus banaticus Jekelius, 1944 †
 Theodoxus barakovici (Brusina, 1902) †
 Theodoxus becenensis (Cobălcescu, 1883) †
 Theodoxus bessarabicus (Sinzov, 1896) †
 Theodoxus bohotinensis (Simionescu & Barbu, 1940) †
 Theodoxus bolivari (Royo Gómez, 1922) †
 Theodoxus boteani (Porumbaru, 1881) †
 Theodoxus brenneri (Handmann, 1882) †
 Theodoxus brusinai (Pavlović, 1931) †
 Theodoxus bukowskii (Oppenheim, 1919) †
 Theodoxus capellinii (Pantanelli, 1876) †
 Theodoxus capillaceus (Brusina, 1874) †
 Theodoxus carasiensis Jekelius, 1944 †
 Theodoxus colchicus (Andrusov, 1912) †
 Theodoxus constantiae Stefanescu, 1896 †
 Theodoxus coronatus (Leach, 1815)
 Theodoxus crenulatus (Klein, 1853) †
 Theodoxus crescens (Fuchs, 1870) †
 Theodoxus culceri (Porumbaru, 1881) †
 Theodoxus cunici (Brusina, 1892) †
 Theodoxus cyrtocelis (Krauss, 1852) †
 Theodoxus danasteri (Lindholm, 1908)
 Theodoxus danubialis (Pfeiffer, 1828)
 Theodoxus denisluensis (Oppenheim, 1919) †
 Theodoxus deperditus (Almera, 1894) †
 Theodoxus doderleini (d'Ancona, 1869) †
 Theodoxus doricus (Neumayr, 1880) †
 Theodoxus dumortieri (Fontannes, 1878) †
 Theodoxus elongatus (Thomä, 1845) †
 Theodoxus eugenii Jekelius, 1944 †
 Theodoxus euxinus (Clessin, 1886)
 Theodoxus fasciatus Gozhik in Gozhik & Datsenko, 2007 †
 Theodoxus fluviatilis (Linnaeus, 1758)
 Theodoxus gloeri Odabaşi & Arslan, 2015
 Theodoxus gnezdai (Brusina, 1884) †
 Theodoxus grateloupianus (Férussac, 1823) †
 Theodoxus gregarius (Thomä, 1845) †
 Theodoxus groyanus (Férussac, 1823) †
 Theodoxus hellenicus (Bukowski, 1896) †
 Theodoxus hisingeri (Bellardi & Michelotti, 1841) †
 Theodoxus hoernesanus (Semper, 1867) †
 Theodoxus imbricatus (Brusina, 1878) †
 Theodoxus ingulenzis Gozhik in Gozhik & Datsenko, 2007 †
 Theodoxus intracarpaticus Jekelius, 1944 †
 Theodoxus jekeliusi Jurišić-Polšak, 1979 †
 Theodoxus kalodictya (Andrusov, 1909) †
 Theodoxus koslinskyi (Porumbaru, 1881) †
 Theodoxus lamellatus (Brusina, 1892) †
 Theodoxus leobersdorfensis (Handmann, 1887) †
 Theodoxus licherdopoli (Stefanescu, 1896) †
 Theodoxus lineatus (Sinzov, 1896) †
 Theodoxus lituratus Eichwald, 1838
 Theodoxus lorkovici (Brusina, 1878) †
 Theodoxus luteofasciatus (Miller, 1879)
 Theodoxus macedonicus Wenz, 1943 †
 Theodoxus maculosus Gozhik in Gozhik & Datsenko, 2007 †
 Theodoxus mayeri (Semper, 1867) †
 Theodoxus micans (Gaudry & Fischer in Gaudry, 1867) †
 Theodoxus milachevitchi Golikov & Starobogatov, 1966
 Theodoxus milessii Papp, 1979 †
 Theodoxus militaris (Neumayr, 1869) †
 Theodoxus miljkovici (Brusina, 1902) †
 Theodoxus millepunctatus (Brusina, 1902) †
 Theodoxus moeschi Locard, 1893 †
 Theodoxus moosbrunnensis Papp, 1953 †
 Theodoxus morellii (Bellardi & Michelotti, 1841) †
 Theodoxus morulus Kühn, 1963 †
 Theodoxus mutinensis (d'Ancona, 1869) †
 Theodoxus neumayri (Burgerstein, 1877) †
 Theodoxus nitens Gozhik, 2002 †
 Theodoxus nivosus (Brusina, 1874) †
 Theodoxus novorossicus (Sinzov, 1896) †
 Theodoxus obtusangulaeformis Gozhik, 2002 †
 Theodoxus oxytropida (Andrusov, 1909) †
 Theodoxus pallasi Lindholm, 1924
 Theodoxus pallidus Dunker, 1861
 Theodoxus pappi Sauerzopf, 1952 †
 Theodoxus paradisii (Magrograssi, 1928) †
 Theodoxus pavlovici Milošević, 1983 †
 Theodoxus percarinatus (Oppenheim, 1919) †
 Theodoxus petasatus (Seninski, 1905) †
 Theodoxus philippianus Locard, 1883 †
 Theodoxus pilari (Brusina, 1884) †
 Theodoxus pilidei (Tournouër, 1879) †
 Theodoxus platystoma (Brusina, 1874) †
 Theodoxus politioanei Jekelius, 1944 †
 Theodoxus politus Jekelius, 1944 †
 Theodoxus postcrenulatus Papp, 1953 †
 Theodoxus prevostianus (Pfeiffer, 1828)
 Theodoxus prozlatarici Jekelius, 1944 †
 Theodoxus pseudodacicus Neubauer, Harzhauser, Georgopoulou, Mandic & Kroh, 2014 †
 Theodoxus pseudodanubialis (Sinzov, 1896) †
 Theodoxus pseudofluviatilis Locard, 1893 †
 Theodoxus pseudograteloupanus (Sinzov, 1884) †
 Theodoxus punctatolineatus (Sinzov, 1896) †
 Theodoxus quadrifasciatus (Bielz, 1864) †
 Theodoxus radmanesti (Fuchs, 1870) †
 Theodoxus radovanovici (Brusina, 1893) †
 Theodoxus reiseri (Brusina, 1902) †
 Theodoxus reticulatus Pană, 1990 †
 Theodoxus rhodiensis (Tournouër in Fischer, 1877) †
 Theodoxus rugosus (Pavlović, 1931) †
 Theodoxus sarmaticus (Lindholm, 1901)
 Theodoxus scamandrius (Calvert & Neumayr, 1880) †
 Theodoxus schachmaticus (Andrusov, 1909) †
 Theodoxus schultzi (Grimm, 1877)
 Theodoxus scoliogramma (Brusina, 1884) †
 Theodoxus scriptus (Stefanescu, 1896) †
 Theodoxus semidentatus (Sandberger, 1875) †
 Theodoxus semiplicatus (Neumayr in Herbich & Neumayr, 1875) †
 Theodoxus serrulatus (Brusina, 1892) †
 Theodoxus simplex (Fuchs, 1877) †
 Theodoxus sinjanus (Brusina, 1876) †
 Theodoxus slavonicus (Brusina, 1878) †
 Theodoxus soceni Jekelius, 1944 †
 Theodoxus sophievkaensis Gozhik in Gozhik & Datsenko, 2007 †
 Theodoxus sphaeroidalis (Revilla, 1958) †
 Theodoxus spratti (Jenkins, 1864) †
 Theodoxus stanae (Brusina, 1893) †
 Theodoxus stefanescui (Fontannes, 1887) †
 Theodoxus stefanescuiformis Gozhik in Gozhik & Datsenko, 2007 †
 Theodoxus stoicai Neubauer, Harzhauser, Georgopoulou, Mandic & Kroh, 2014 †
 Theodoxus subdoricus Schütt, 1976 †
 Theodoxus subglobosus (Eichwald, 1853) †
 Theodoxus subquadrofasciatus Gozhik, 2002 †
 Theodoxus subslavonicus Gozhik, 2002 †
 Theodoxus subthermalis Bourguignat in Issel, 1865
 Theodoxus sundicus (Andrusov, 1909) †
 Theodoxus suskalovici (Pavlović, 1903) †
 Theodoxus sycophantus (Brusina, 1878) †
 Theodoxus timisensis Jekelius, 1944 †
 Theodoxus tortuosus Jekelius, 1944 †
 Theodoxus transversalis (Pfeiffer, 1828)
 Theodoxus trifasciatus (Grateloup, 1839) †
 Theodoxus trilophosensis Rust, 1997 †
 Theodoxus tropidophorus (Brusina, 1884) †
 Theodoxus turbinatus (Fuchs, 1870) †
 Theodoxus turislavicus Jekelius, 1944 †
 Theodoxus unguiculatus (Seninski, 1905) †
 Theodoxus varius (Menke, 1828) †
 Theodoxus veljetinensis (Pavlović, 1903) †
 Theodoxus velox V. Anistratenko in O. Anistratenko, Starobogatov & V. Anistratenko, 1999
 Theodoxus venustus (Brusina, 1897) †
 Theodoxus xanthozona (Brusina, 1884) †
 Theodoxus zagradovkaensis Gozhik, 2002 †
 Theodoxus zivkovici (Pavlović, 1903) †
 Theodoxus zlatarici (Brusina, 1902) †
 Theodoxus zografi (Brusina, 1902) †

Neritidae