蒂奥得螺属
物種

截至2007年，還未有對蒂奥得螺属作系統評價的研究。Bunje (2004) 的研究指出本屬至少有34個現害種；而在2015年度的國際自然保護聯盟瀕危物種紅色名錄列出了本屬包括有至少23個物種。
本屬包括下列各物種：
† Theodoxus petasatus (Seninski, 1905)
† Theodoxus acuticarinatus (Fuchs, 1870)
† Theodoxus amblygonioides Wenz, 1930
† Theodoxus amethystinus (Brusina, 1874)
† Theodoxus anconae (Capellini, 1880)
† Theodoxus angularis Gozhik, 2002
† Theodoxus anonymus Anistratenko & Gozhik, 1995
† Theodoxus atticus Kühn, 1963
† Theodoxus barakovici (Brusina, 1902)
† Theodoxus bessarabicus (Sinzov, 1896)
† Theodoxus brusinai (Pavlović, 1931)
† Theodoxus capellinii (Pantanelli, 1876)
† Theodoxus capillaceus (Brusina, 1874)
† Theodoxus crescens (Fuchs, 1870)
† Theodoxus doderleini (d'Ancona, 1869)
† Theodoxus dumortieri (Fontannes, 1878)
† Theodoxus fasciatus Gozhik in Gozhik & Datsenko, 2007
† Theodoxus gnezdai (Brusina, 1884)
† Theodoxus grateloupianus (Férussac, 1823)
† Theodoxus hoernesanus (Semper, 1867)
† Theodoxus ingulenzis Gozhik in Gozhik & Datsenko, 2007
† Theodoxus kalodictya (Andrusov, 1909)
† Theodoxus koslinskyi (Porumbaru, 1881)
† Theodoxus lamellatus (Brusina, 1892)
† Theodoxus lineatus (Sinzov, 1896)
† Theodoxus lorkovici (Brusina, 1878)
† Theodoxus macedonicus Wenz, 1943
† Theodoxus maculosus Gozhik in Gozhik & Datsenko, 2007
† Theodoxus mayeri (Semper, 1867)
† Theodoxus militaris (Neumayr, 1869)
† Theodoxus miljkovici (Brusina, 1902)
† Theodoxus millepunctatus (Brusina, 1902)
† Theodoxus moeschi Locard, 1893
† 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 pavlovici Milošević, 1983
† Theodoxus philippianus Locard, 1883
† Theodoxus pilari (Brusina, 1884)
† Theodoxus platystoma (Brusina, 1874)
† Theodoxus pseudodanubialis (Sinzov, 1896)
† Theodoxus pseudofluviatilis Locard, 1893
† Theodoxus pseudograteloupanus (Sinzov, 1884)
† Theodoxus radmanesti (Fuchs, 1870)
† Theodoxus radovanovici (Brusina, 1893)
† Theodoxus reiseri (Brusina, 1902)
† Theodoxus rugosus (Pavlović, 1931)
† Theodoxus sagittiferus (Brusina, 1874)
† Theodoxus schachmaticus (Andrusov, 1909)
† Theodoxus scoliogramma (Brusina, 1884)
† Theodoxus semidentatus (Sandberger, 1875)
† Theodoxus serrulatus (Brusina, 1892)
† Theodoxus slavonicus (Brusina, 1878)
† Theodoxus sophievkaensis Gozhik in Gozhik & Datsenko, 2007
† Theodoxus stanae (Brusina, 1893)
† Theodoxus stefanescui (Fontannes, 1887)
† Theodoxus stefanescuiformis Gozhik in Gozhik & Datsenko, 2007
† Theodoxus subquadrofasciatus Gozhik, 2002
† Theodoxus subslavonicus Gozhik, 2002
† Theodoxus sundicus (Andrusov, 1909)
† Theodoxus suskalovici (Pavlović, 1903)
† Theodoxus sycophantus (Brusina, 1878)
† Theodoxus tropidophorus (Brusina, 1884)
† Theodoxus turbinatus (Fuchs, 1870)
† Theodoxus veljetinensis (Pavlović, 1903)
† Theodoxus venustus (Brusina, 1897)
† Theodoxus xanthozona (Brusina, 1884)
† Theodoxus zagradovkaensis Gozhik, 2002
† Theodoxus zivkovici (Pavlović, 1903)
† Theodoxus unguiculatus (Seninski, 1905)
† Theodoxus colchicus (Andrusov, 1912)
Theodoxus anatolicus（英语：） (Récluz, 1841)
† Theodoxus groyanus (Férussac, 1823)
Theodoxus jordani（英语：） (Sowerby)
† Theodoxus micans (Gaudry & Fischer in Gaudry, 1867)
Theodoxus niloticus（英语：） (Reeve, 1856) - synonym: Theodoxus africanus (Reeve, 1856)
† Theodoxus subdoricus Schütt, 1976
Theodoxus subterrelictus Schütt, 1963
Theodoxus peloponensis (Récluz, 1841)
Theodoxus varius (Menke, 1828)
Theodoxus altenai（英语：） Schütt, 1965
Theodoxus baeticus (Lamarck, 1822)
† Theodoxus becenensis (Cobălcescu, 1883)
† Theodoxus brenneri (Handmann, 1882)
† Theodoxus carasiensis Jekelius, 1944
† Theodoxus constantiae Stefanescu, 1896
† Theodoxus culceri (Porumbaru, 1881)
† Theodoxus cyrtocelis (Krauss, 1852)
Theodoxus danubialis（英语：） 	(Pfeiffer, 1828)
† Theodoxus denisluensis (Oppenheim, 1919)
† Theodoxus deperditus (Almera, 1894)
† Theodoxus elongatulus (Philippi, 1844)
† Theodoxus eugenii Jekelius, 1944
Theodoxus euxinus（英语：） (Clessin, 1886)
Theodoxus fluviatilis（英语：） (Linnaeus, 1758) - 模式種. synonyms: Theodoxus brauneri (Lindholm, 1908) (but as separate species per); Theodoxus brauneri f. lacrymans Lindholm, 1908; Theodoxus brauneri f.  alboguttata Lindholm, 1908; Theodoxus brauneri f. pulherrima Lindholm, 1908; Theodoxus lutetianus Montfort, 1810. Bunje (2005) does not consider Theodoxus velox Anistratenko, 1999 to be a distinct species from Theodoxus fluviatilis.
† Theodoxus gregarius (Thomä, 1845)
Theodoxus heldreichi (Martens, 1879)
† Theodoxus hisingeri (Bellardi & Michelotti, 1841)
Theodoxus hispalensis (Martens, 1879)
† Theodoxus jekeliusi Jurišić-Polšak, 1979
† Theodoxus leobersdorfensis (Handmann, 1887)
Theodoxus meridionalis（英语：） (Philippi, 1836)
† Theodoxus milessii Papp, 1979
† Theodoxus moosbrunnensis Papp, 1953
† Theodoxus morellii (Bellardi & Michelotti, 1841)
Theodoxus pallasi（英语：） Lindholm, 1924 - synonym: Theodoxus lituratus (Eichwald, 1838)
† Theodoxus pilidei (Tournouër, 1879)
Theodoxus prevostianus（英语：） (Pfeiffer, 1828)
† Theodoxus punctatolineatus (Sinzov, 1896)
Theodoxus saulcyi（英语：） (Bourguignat, 1852)
† Theodoxus scamandrius (Calvert & Neumayr, 1880)
† Theodoxus semiplicatus (Neumayr in Herbich & Neumayr, 1875)
† Theodoxus simplex (Fuchs, 1877)
† Theodoxus subglobosus (Eichwald, 1853)
Theodoxus subthermalis（英语：） (Bourguignat in Issel, 1865) or Theodoxus fluviatilis subthermalis Issel, 1865
Theodoxus transversalis（英语：） (Pfeiffer, 1828)
† Theodoxus trifasciatus (Grateloup, 1839)
† Theodoxus turislavicus Jekelius, 1944
Theodoxus valentinus（英语：） (Graells, 1846)
† Theodoxus zografi (Brusina, 1902)
† Theodoxus abnormis (Jenkins, 1864)
† Theodoxus almelae (Revilla, 1958)
Theodoxus astrachanicus Starobogatov, 1994
† Theodoxus banaticus Jekelius, 1944
† Theodoxus bohotinensis (Simionescu & Barbu, 1940)
† Theodoxus bolivari (Royo Gómez, 1922)
† Theodoxus bukowskii (Oppenheim, 1919)
Theodoxus cariosus (Wood, 1828)
Theodoxus coronatus（英语：） (Leach, 1815)
† Theodoxus crenulatus (Klein, 1853)
† Theodoxus cunici (Brusina, 1892)
Theodoxus danasteri (Lindholm, 1908)
† Theodoxus doricus (Neumayr, 1880)
Theodoxus euxinus（英语：） (Clessin, 1886)
Theodoxus gloeri Odabaşi & Arslan, 2015
Theodoxus gurur Sands & Glöer, 2020
† Theodoxus hellenicus (Bukowski, 1896)
† Theodoxus imbricatus (Brusina, 1878)
† Theodoxus intracarpaticus Jekelius, 1944
Theodoxus karasuna[來源請求]
† Theodoxus licherdopoli (Stefanescu, 1896)
Theodoxus luteofasciatus (Miller, 1879)
Theodoxus macri (Sowerby, 1849)[來源請求]
Theodoxus maresi（英语：） (Bourguignat, 1864)
Theodoxus marteli (Pallary, 1920)
Theodoxus milachevitchi Golikov & Starobogatov, 1966
Theodoxus mutinensis[來源請求]
Theodoxus numidicus（英语：） (Récluz, 1841)
Theodoxus olivaceus[來源請求]
Theodoxus pallasi（英语：） Lindholm, 1924
Theodoxus pallidus Dunker, 1861
† Theodoxus pappi Sauerzopf, 1952
† Theodoxus paradisii (Magrograssi, 1928)
† Theodoxus patrae Esu & Girotti, 2015
† Theodoxus percarinatus (Oppenheim, 1919)
Theodoxus pilidei (Tournouêr, 1879)
† Theodoxus politioanei Jekelius, 1944
† Theodoxus politus Jekelius, 1944
Theodoxus poppei Ahuir, 2020
† Theodoxus postcrenulatus Papp, 1953
† Theodoxus prozlatarici Jekelius, 1944
† Theodoxus pseudodacicus Neubauer, Harzhauser, Georgopoulou, Mandic & Kroh, 2014 †
† Theodoxus quadrifasciatus (Bielz, 1864) †
Theodoxus reticularis Sowerby, 1838 IT IS A SYNONYM OF Clithon reticularis http://oldredlist.iucnredlist.org/details/166739/0%5B%5D -->
† Theodoxus reticulatus Pană, 1990
Theodoxus retropictus UNREFERENCED - see probably Clithon retropictum -->
† Theodoxus rhodiensis (Tournouër in Fischer, 1877)
Theodoxus sarmaticus (Lindholm, 1901)
Theodoxus schultzii (Grimm, 1877)
† Theodoxus scriptus (Stefanescu, 1896)
† Theodoxus serratiliniformis Geyer, 1914
† Theodoxus sinjanus (Brusina, 1876)
† Theodoxus soceni Jekelius, 1944
† Theodoxus sphaeroidalis (Revilla, 1958)
† Theodoxus spratti (Jenkins, 1864)
† Theodoxus stoicai Neubauer, Harzhauser, Georgopoulou, Mandic & Kroh, 2014
Theodoxus subthermalis（英语：） Bourguignat in Issel, 1865
† Theodoxus susuzianus Harzhauser, Neubauer & Hoşgör, 2018
† Theodoxus timisensis Jekelius, 1944
† Theodoxus trilophosensis Rust, 1997
Theodoxus velascoi (Graëlls, 1846)
Theodoxus velox（英语：） V. Anistratenko in O. Anistratenko, Starobogatov & V. Anistratenko, 1999
Theodoxus vespertinus (Sowerby II, 1849)
Theodoxus wesselinghi Sands & Glöer, 2020
Theodoxus wilkei Sands & Glöer, 2020
† Theodoxus zlatarici Brusina, 1902)
† Theodoxus burdigalensis (d'Orbigny, 1852) : synonym of †  Theodoxus (Theodoxus) trifasciatus (Grateloup, 1839)
Theodoxus cariosus (Wood, 1828) and Theodoxus cariosa are synonyms of Neritina cariosa (Wood, 1828)
† Theodoxus dacicus Jekelius, 1944: synonym of † Theodoxus (Theodoxus) leobersdorfensis dacicus Jekelius, 1944
Theodoxus doriae Issel, 1865: synonym of  Theodoxus fluviatilis (Linnaeus, 1758) represented as Theodoxus (Theodoxus) fluviatilis (Linnaeus, 1758)
Theodoxus euphraticus (Mousson, 1874) is a synonym of Neritina euphratica（英语：） Mousson, 1874
† Theodoxus intracarpatica Jekelius, 1944 : synonym of  † Theodoxus intracarpaticus Jekelius, 1944
Theodoxus lutetianus Montfort, 1810: synonym of Theodoxus fluviatilis (Linnaeus, 1758) represented as Theodoxus (Theodoxus) fluviatilis (Linnaeus, 1758)
† Theodoxus mariae (Handmann, 1887): synonym of † Neritina mariae Handmann, 1887
† Theodoxus martensi (Brusina, 1884): synonym of † Ninnia martensi (Brusina, 1884)
Theodoxus neglectus is a synonym of Neritina neglecta (Pease, 1861)
† Theodoxus oslavanensis Rzehak, 1893: synonym of † Theodoxus (Theodoxus) cyrtocelis austriacus (Rzehak, 1893)
Theodoxus oualaniense (Lesson, 1831): synonym of  Checked: verified by a taxonomic editorClithon oualaniense (Lesson, 1831)
† Theodoxus perlongus Jekelius, 1944: synonym of † Theodoxus (Theodoxus) zografi perlongus Jekelius, 1944
† Theodoxus petralbensis Jekelius, 1944: synonym of † Theodoxus (Theodoxus) zografi petralbensis Jekelius, 1944
† Theodoxus pictus (Férussac, 1823): synonym of † Agapilia picta (Férussac, 1823)
Theodoxus reclivatus Say, 1822: synonym of  Neritina usnea（英语：） (Röding, 1798)
† Theodoxus rumanus (Stefanescu, 1896): synonym of † Theodoxus (Calvertia) stefanescui (Fontannes, 1887)
† Theodoxus scamandri (Calvert & Neumayr, 1880):  synonym of † Theodoxus (Theodoxus) scamandrius (Calvert & Neumayr, 1880)
Theodoxus vespertinus : synonym of Neritina vespertinus (Sowerby, 1849)
† Theodoxus vetranici (Brusina, 1902): synonym of † Neritina vetranici (Brusina, 1902)
Theodoxus virginea (Linnaeus, 1758): synonym of Neritina virginea（英语：） (Linnaeus, 1758)
† Theodoxus (Vittoclithon) pictus bizonalis (Grateloup, 1839): synonym of † Agapilia picta bizonalis (Grateloup, 1839)