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- Mollusca (132 791)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 009)
- Subclass Autobranchia (23 295)
- Infraclass Heteroconchia (16 637)
- Subterclass Archiheterodonta (1 208)
- Subterclass Euheterodonta (11 356)
- Superorder Anomalodesmata (987)
- Superorder Imparidentia (10 336)
- Order Adapedonta (260)
- Order Cardiida (3 055)
- Order Galeommatida (791)
- Order Gastrochaenida (43)
- Order Hiatellida represented as Adapedonta
- Order Hippuritida † (321)
- Order Lucinida (997)
- Order Megalodontida † (141)
- Order Modiomorphida † (94)
- Order Myacea accepted as Myida
- Order Myida (924)
- Suborder Myina represented as Myida
- Superfamily Dreissenoidea J. E. Gray, 1840 (304)
- Family Dreissenidae J. E. Gray, 1840 (304)
- Subfamily Congeriinae Mandic & Harzhauser, 2016 (132)
- Genus Amygdalia Nevesskaja, 2013 † (1)
- Genus Andrusoviconcha Starobogatov, 1970 † (38)
- Genus Congeria Partsch, 1835 (49)
- Subgenus Congeria (Amygdalia) Nevesskaja, 2013 † accepted as Amygdalia Nevesskaja, 2013 †
- Subgenus Congeria (Andrusoviconcha) Starobogatov, 1970 † accepted as Andrusoviconcha Starobogatov, 1970 †
- Subgenus Congeria (Congeria) Partsch, 1835 † represented as Congeria Partsch, 1835
- Subgenus Congeria (Cristicongeria) Starobogatov, 1994 † accepted as Andrusoviconcha Starobogatov, 1970 †
- Subgenus Congeria (Eocongeria) Starobogatov, 1970 † accepted as Mytilopsis Conrad, 1858
- Subgenus Congeria (Filicarina) Marinescu, 1992 † accepted as Congeria Partsch, 1835
- Subgenus Congeria (Globocongeria) Taktakishvili, 1973 † accepted as Congeria Partsch, 1835
- Subgenus Congeria (Modiolia) Marinescu, 1973 † accepted as Coelogonia Bronn, 1837 †
- Subgenus Congeria (Mytilia) Marinescu, 1973 † accepted as Andrusoviconcha Starobogatov, 1970 †
- Subgenus Congeria (Mytilopsis) Conrad, 1857 accepted as Mytilopsis Conrad, 1858
- Subgenus Congeria (Rhombocongeria) Starobogatov, 1970 † accepted as Rhombocongeria Starobogatov, 1970 †
- Subgenus Congeria (Rhomboidia) Marinescu, 1973 † accepted as Rhombocongeria Starobogatov, 1970 †
- Subgenus Congeria (Triangularia) Marinescu, 1973 † accepted as Trigonipraxis Starobogatov, 1970 †
- Subgenus Congeria (Trigonipraxis) Starobogatov, 1970 † accepted as Trigonipraxis Starobogatov, 1970 †
- Species Congeria abchasica Seninski, 1905 † accepted as Mytilopsis caucasica (Seninski, 1905) †
- Species Congeria acuta Kochansky-Devidé, 1981 † accepted as Illyricocongeria acuta (Kochansky-Devidé, 1981) †
- Species Congeria acuta Chelidze, 1952 †
- Species Congeria aletici Brusina, 1907 † accepted as Illyricocongeria aletici (Brusina, 1907) †
- Species Congeria alta (F. Sandberger, 1872) †
- Species Congeria amygdaloides Dunker, 1848 † accepted as Amygdalia amygdaloides (Dunker, 1848) †
- Species Congeria andrussowi Rzehak, 1893 † accepted as Andrusoviconcha andrussowi (Rzehak, 1893) †
- Species Congeria angustiformis Gabuniya, 1953 † accepted as Mytilopsis mirabilis (Seninski, 1905) †
- Species Congeria antecroatica Katzer, 1921 † accepted as Trigonipraxis kucici (Brusina, 1907) †
- Species Congeria antulae Pavlović, 1927 † accepted as Andrusoviconcha spathulata antulae (Pavlović, 1927) †
- Species Congeria aquitanica Andrusov, 1897 † accepted as Mytilopsis aquitanica (Andrusov, 1897) †
- Species Congeria aralensis Merklin, 1974 † accepted as Andrusoviconcha tenuissima (Moisescu, 1964) †
- Species Congeria arcuata T. Fuchs, 1870 † accepted as Sinucongeria arcuata (T. Fuchs, 1870) †
- Species Congeria arta Taktakishvili, 1963 † accepted as Congeria flexuosa Taktakishvili, 1963 †
- Species Congeria auricularis T. Fuchs, 1870 † accepted as Dreissena auricularis (T. Fuchs, 1870) †
- Species Congeria avis Kochansky-Devidé, 1981 † accepted as Illyricocongeria avis (Kochansky-Devidé, 1981) †
- Species Congeria balatonica Partsch, 1835 † accepted as Andrusoviconcha balatonica (Partsch, 1835) †
- Species Congeria banatica R. Hoernes, 1875 †
- Species Congeria baschi Vrsaljko & Sremac, 1999 † accepted as Andrusoviconcha baschi (Vrsaljko & Sremac, 1999) †
- Species Congeria basteroti (Deshayes, 1836) † accepted as Andrusoviconcha basteroti (Deshayes, 1836) †
- Species Congeria batuti Brusina, 1902 † accepted as Andrusoviconcha simulans batuti (Brusina, 1902) †
- Species Congeria begaljicae Stevanović, 1978 †
- Species Congeria beregovi Kojumdgieva, 1968 † accepted as Coelogonia beregovi (Kojumdgieva, 1968) †
- Species Congeria bihacensis Katzer, 1918 †
- Species Congeria birladensis Jeanrenaud, 1963 †
- Species Congeria bittneri Andrusov, 1897 †
- Species Congeria boeckhi Wenz, 1931 † accepted as Trigonipraxis boeckhi (Wenz, 1931) †
- Species Congeria boncevi Beregov, 1940 † accepted as Rhombocongeria rhomboidea rumana (Stefanescu, 1896) †
- Species Congeria bosniaca Katzer, 1913 † accepted as Illyricocongeria bosniaca (Katzer, 1913) †
- Species Congeria bosniaskii Andrusov, 1897 †
- Species Congeria brandenburgi Brusina, 1902 †
- Species Congeria brardi [sic] † accepted as Coelogonia brardii (Brongniart, 1823) †
- Species Congeria brevicosta Kochansky-Devidé, 1981 † accepted as Illyricocongeria brevicosta (Kochansky-Devidé, 1981) †
- Species Congeria brkici Basch, 1992 †
- Species Congeria brusinae [sic] † accepted as Congeria brussinae Stevanović, 1951 †
- Species Congeria brussinae Stevanović, 1951 †
- Species Congeria bryanae Pilsbry, 1921 accepted as Septifer cumingii Récluz, 1849
- Species Congeria budmani Andrusov, 1897 † accepted as Andrusoviconcha budmani (Andrusov, 1897) †
- Species Congeria buria Papaianopol, 1976 † accepted as Mytilopsis buria (Papaianopol, 1976) †
- Species Congeria byzantica Andrusov, 1897 †
- Species Congeria carasi Jekelius, 1944 † accepted as Mytilopsis carasi (Jekelius, 1944) †
- Species Congeria caucasica Seninski, 1905 † accepted as Mytilopsis caucasica (Seninski, 1905) †
- Species Congeria ceratodus Andrusov, 1893 † accepted as Dreissena dubia (Mayer, 1871) †
- Species Congeria chilotrema Brusina, 1892 † accepted as Andrusoviconcha balatonica chilotrema (Brusina, 1892) †
- Species Congeria chonioides (Cossmann, 1887) † accepted as Dreissena chonioides Cossmann, 1887 †
- Species Congeria clavaeformis (Krauss, 1852) † accepted as Mytilopsis clavaeformis (Krauss, 1852) †
- Species Congeria claviformis [sic] † accepted as Mytilopsis clavaeformis (Krauss, 1852) †
- Species Congeria clivunensis Kochansky-Devidé, 1981 † accepted as Illyricocongeria clivunensis (Kochansky-Devidé, 1981) †
- Species Congeria cochleata (Nyst, 1835) accepted as Mytilopsis leucophaeata (Conrad, 1831)
- Species Congeria constricta Gabuniya, 1953 † accepted as Mytilopsis submirabilis (Chelidze, 1952) †
- Species Congeria cor Kochansky-Devidé, 1978 † accepted as Illyricocongeria cor (Kochansky-Devidé, 1978) †
- Species Congeria cricovensis Papaianopol, 1974 † accepted as Mytilopsis cricovensis (Papaianopol, 1974) †
- Species Congeria cristellata L. Roth, 1881 † accepted as Dreissena cristellata (L. Roth, 1881) †
- Species Congeria croatica (Brusina, 1874) † accepted as Trigonipraxis croatica (Brusina, 1874) †
- Species Congeria cumanica Papaianopol, 1976 † accepted as Mytilopsis cumanica (Papaianopol, 1976) †
- Species Congeria curvirostris (Cossmann, 1887) † accepted as Dreissena curvirostris Cossmann, 1887 †
- Species Congeria cvitanovici Brusina, 1907 † accepted as Illyricocongeria cvitanovici (Brusina, 1907) †
- Species Congeria czjzeki M. Hörnes, 1867 † accepted as Coelogonia czjzeki (M. Hörnes, 1867) †
- Species Congeria dacica Papaianopol, 1974 † accepted as Mytilopsis dacica (Papaianopol, 1974) †
- Species Congeria dactyliformis Pavlović, 1933 †
- Species Congeria dactyloides Pavlović, 1931 † accepted as Trigonipraxis nisseana (Pavlović, 1931) †
- Species Congeria dactylus Brusina, 1894 † accepted as Sinucongeria dactylus (Brusina, 1894) †
- Species Congeria dalmatica (Brusina, 1874) † accepted as Illyricocongeria dalmatica (Brusina, 1874) †
- Species Congeria deshayesi (Capellini, 1860) † accepted as Dreissena deshayesi Capellini, 1860 †
- Species Congeria diabolica Gabuniya, 1953 † accepted as Mytilopsis submirabilis (Chelidze, 1952) †
- Species Congeria digitifera Andrusov, 1897 † accepted as Carinatocongeria digitifera (Andrusov, 1897) †
- Species Congeria diluvii Abich, 1859 † accepted as Dreissena diluvii (Abich, 1859) †
- Species Congeria djaphareulica Badzoshvili, 1979 † accepted as Mytilopsis djaphareulica (Badzoshvili, 1979) †
- Species Congeria doderleini Brusina, 1892 † accepted as Andrusoviconcha doderleini (Brusina, 1892) †
- Species Congeria dreissenopsis Papaianopol, 1974 † accepted as Mytilopsis dreissenopsis (Papaianopol, 1974) †
- Species Congeria drvarensis Toula, 1913 † accepted as Illyricocongeria drvarensis (Toula, 1913) †
- Species Congeria drzici Brusina, 1902 † accepted as Mytilopsis drzici (Brusina, 1902) †
- Species Congeria duabica Gabuniya, 1953 † accepted as Mytilopsis submirabilis (Chelidze, 1952) †
- Species Congeria dubia Mayer, 1871 † accepted as Dreissena dubia (Mayer, 1871) †
- Species Congeria dubocaensis Stevanović, 1951 †
- Species Congeria ebersini Chelidze, 1952 † accepted as Mytilopsis turgidopsis (Andrusov, 1929) †
- Species Congeria elongata Jeanrenaud, 1963 †
- Species Congeria emiliae Brusina, 1902 † accepted as Andrusoviconcha simulans emiliae (Brusina, 1902) †
- Species Congeria eocaena (Oppenheim, 1890) † accepted as Mytilopsis eocaena (Oppenheim, 1890) †
- Species Congeria exigua L. Roth, 1881 † accepted as Dreissena exigua (L. Roth, 1881) †
- Species Congeria extrema Drevermann, 1905 † accepted as Congeria (Modiolia) zagrabiensis extrema (Drevermann, 1905) †
- Species Congeria falconensis Papaianopol, 1974 † accepted as Mytilopsis falconensis (Papaianopol, 1974) †
- Species Congeria flexuosa Taktakishvili, 1963 † accepted as Andrusoviconcha subcarinata galisgensis (Andrusov, 1917) †
- Species Congeria florianii Lubenescu & Popescu, 1984 †
- Species Congeria fragila Lubenescu, 1995 †
- Species Congeria frici Brusina, 1904 † accepted as Illyricocongeria frici (Brusina, 1904) †
- Species Congeria fuchsi Pilar, 1873 † accepted as Illyricocongeria fuchsi (Pilar, 1873) †
- Species Congeria gabuniae Chelidze, 1952 † accepted as Mytilopsis caucasica (Seninski, 1905) †
- Species Congeria galisgensis Andrusov, 1917 † accepted as Andrusoviconcha subcarinata galisgensis (Andrusov, 1917) †
- Species Congeria gersici [sic] † accepted as Congeria grsici Brusina, 1902 †
- Species Congeria getica Papaianopol, 1976 †
- Species Congeria ghergutai Jekelius, 1944 †
- Species Congeria gitneri Brusina, 1892 † accepted as Mytilopsis gitneri (Brusina, 1892) †
- Species Congeria gittneri [sic] † accepted as Mytilopsis gitneri (Brusina, 1892) †
- Species Congeria gnezdai (Brusina, 1884) † accepted as Trigonipraxis gnezdai (Brusina, 1884) †
- Species Congeria greppini (Locard, 1893) †
- Species Congeria grsici Brusina, 1902 †
- Species Congeria gundulici Brusina, 1902 †
- Species Congeria halavatsi Brusina, 1896 †
- Species Congeria hektorovici Brusina, 1902 †
- Species Congeria helvetica (Locard, 1893) † accepted as Dreissena helvetica Locard, 1893 †
- Species Congeria hemiptycha Brusina, 1902 †
- Species Congeria hercegovinensis Kochansky-Devidé, 1978 † accepted as Andrusoviconcha hercegovinensis (Kochansky-Devidé, 1978) †
- Species Congeria hilberi R. Hoernes, 1901 † accepted as Congeria oppenheimi R. Hoernes, 1901 †
- Species Congeria hoeblichi Schütt, 1991 accepted as Rheodreissena hoeblichi (Schütt, 1991)
- Species Congeria hoernesi Brusina, 1892 † accepted as Trigonipraxis hoernesi (Brusina, 1892) †
- Species Congeria homoplatoides Andrusov, 1897 †
- Species Congeria ignobilis Taktakishvili, 1973 † accepted as Andrusoviconcha subcarinata (Deshayes, 1838) †
- Species Congeria infantula Brusina, 1907 †
- Species Congeria inflata Taktakishvili, 1973 † accepted as Andrusoviconcha simulans turgida (Andrusov, 1897) †
- Species Congeria jadrovi Brusina, 1892 † accepted as Andrusoviconcha jadrovi (Brusina, 1892) †
- Species Congeria jalzici B. Morton & Bilandžija, 2023
- Species Congeria kachadzei Gabuniya, 1953 † accepted as Mytilopsis submirabilis (Chelidze, 1952) †
- Species Congeria kairanderensis Oppenheim, 1919 † accepted as Dreissena kairanderensis (Oppenheim, 1919) †
- Species Congeria kaiseri Wenz, 1922 †
- Species Congeria katzeri Kochansky-Devidé, 1978 † accepted as Illyricocongeria katzeri (Kochansky-Devidé, 1978) †
- Species Congeria kayseri [sic] † accepted as Congeria kaiseri Wenz, 1922 †
- Species Congeria kenneli Andrusov, 1897
- Species Congeria kispatici Pavlović, 1927 †
- Species Congeria kisslingi Gorjanović-Kramberger, 1922 † accepted as Mytilopsis kisslingi (Gorjanović-Kramberger, 1922) †
- Species Congeria kochi Andrusov, 1897 † accepted as Mytilopsis kochi (Andrusov, 1897) †
- Species Congeria kosanini Pavlović, 1927 † accepted as Andrusoviconcha spathulata kosanini (Pavlović, 1927) †
- Species Congeria kosovensis Kojumdgieva, 1968 † accepted as Coelogonia kosovensis (Kojumdgieva, 1968) †
- Species Congeria kucici Brusina, 1907 † accepted as Trigonipraxis kucici (Brusina, 1907) †
- Species Congeria kusceri Bole, 1962
- Species Congeria kušceri Bole, 1962 accepted as Congeria kusceri Bole, 1962
- Species Congeria labiata Andrusov, 1897 † accepted as Andrusoviconcha balatonica labiata (Andrusov, 1897) †
- Species Congeria latiuscula Mayer, 1871 † accepted as Dreissena latiuscula (Mayer, 1871) †
- Species Congeria leucippe Rzehak, 1893 † accepted as Andrusoviconcha leucippe (Rzehak, 1893) †
- Species Congeria leucophaeata (Conrad, 1831) accepted as Mytilopsis leucophaeata (Conrad, 1831)
- Species Congeria leucophaeta [sic] accepted as Mytilopsis leucophaeata (Conrad, 1831)
- Species Congeria lorentheyi Andrusov, 1897 †
- Species Congeria lunata Hedley, 1902 accepted as Ciboticola lunata (Hedley, 1902)
- Species Congeria macarovicii Lubenescu, 1981 †
- Species Congeria maorti Széles, 1962 †
- Species Congeria markovici (Brusina, 1884) †
- Species Congeria martonfii Lörenthey, 1893 † accepted as Mytilopsis martonfii (Lörenthey, 1893) †
- Species Congeria matejici Milošević, 1979 †
- Species Congeria mediocarinata Jeanrenaud, 1963 †
- Species Congeria michaudi Mayer, 1871 † accepted as Dreissena latiuscula (Mayer, 1871) †
- Species Congeria minima Brusina, 1902 †
- Species Congeria minor T. Fuchs, 1877 † accepted as Dreissena minor (T. Fuchs, 1877) †
- Species Congeria mirabilis Seninski, 1905 † accepted as Mytilopsis mirabilis (Seninski, 1905) †
- Species Congeria modiolopsis Andrusov, 1897 † accepted as Andrusoviconcha panticapaea (Andrusov, 1897) †
- Species Congeria moesia Jekelius, 1944 † accepted as Mytilopsis moesia (Jekelius, 1944) †
- Species Congeria moldavica Simionescu & Barbu, 1940 † accepted as Andrusoviconcha moldavica (Simionescu & Barbu, 1940) †
- Species Congeria moravica Andrusov, 1897 † accepted as Trigonipraxis moravica (Andrusov, 1897) †
- Species Congeria mulaomerovici B. Morton & Bilandžija, 2023
- Species Congeria mutabilis Brusina, 1902 † accepted as Andrusoviconcha simulans mutabilis (Brusina, 1902) †
- Species Congeria mytilopsis Brusina, 1892 †
- Species Congeria navicula Andrusov, 1897 † accepted as Amygdalia amygdaloides pseudorostriformis (Sinzov, 1897) †
- Species Congeria neumayri Andrusov, 1897 † accepted as Andrusoviconcha neumayri (Andrusov, 1897) †
- Species Congeria ninnii Brusina, 1902 †
- Species Congeria nisseana Pavlović, 1931 † accepted as Trigonipraxis nisseana (Pavlović, 1931) †
- Species Congeria nitida Kochansky-Devidé, 1978 † accepted as Andrusoviconcha nitida (Kochansky-Devidé, 1978) †
- Species Congeria nodarii Gabuniya, 1953 † accepted as Mytilopsis mirabilis (Seninski, 1905) †
- Species Congeria novica Kochansky-Devidé, 1978 † accepted as Illyricocongeria novica (Kochansky-Devidé, 1978) †
- Species Congeria novorossica (Sinzov, 1876) † accepted as Coelogonia novorossica (Sinzov, 1876) †
- Species Congeria nucleolus Rzehak, 1883 † accepted as Coelogonia nucleolus (Rzehak, 1883) †
- Species Congeria nystiana (A. d'Orbigny, 1852) †
- Species Congeria obliqua Kochansky-Devidé, 1978 † accepted as Illyricocongeria obliqua (Kochansky-Devidé, 1978) †
- Species Congeria oppenheimi R. Hoernes, 1901 †
- Species Congeria oppenheimi Taeger, 1908 † accepted as Dreissena oppenheimi (Taeger, 1908) †
- Species Congeria ornithopsis Brusina, 1892 † accepted as Trigonipraxis ornithopsis (Brusina, 1892) †
- Species Congeria oxyrhyncha [sic] † accepted as Congeria oxyrrhyncha Andrusov, 1897 †
- Species Congeria oxyrrhyncha Andrusov, 1897 †
- Species Congeria pancici Pavlović, 1927 † accepted as Congeria hemiptycha Brusina, 1902 †
- Species Congeria panticapaea Andrusov, 1897 † accepted as Andrusoviconcha panticapaea (Andrusov, 1897) †
- Species Congeria parscoviensis Papaianopol, 1974 † accepted as Mytilopsis parscoviensis (Papaianopol, 1974) †
- Species Congeria partschi [sic] † accepted as Congeria partschii Cžjžek, 1849 †
- Species Congeria partschii Cžjžek, 1849 †
- Species Congeria pavlovici Milošević, 1979 †
- Species Congeria pernaeformis Andrusov, 1897 † accepted as Illyricocongeria pernaeformis (Andrusov, 1897) †
- Species Congeria pikijai Kochansky-Devidé, 1979 † accepted as Illyricocongeria pikijai (Kochansky-Devidé, 1979) †
- Species Congeria pilari Kochansky-Devidé, 1978 † accepted as Trigonipraxis pilari (Kochansky-Devidé, 1978) †
- Species Congeria plana Lörenthey, 1902 † accepted as Mytilopsis plana (Lörenthey, 1902) †
- Species Congeria plopoasai Jeanrenaud, 1963 † accepted as Congeria birladensis Jeanrenaud, 1963 †
- Species Congeria politioanei Jekelius, 1944 † accepted as Mytilopsis politioanei (Jekelius, 1944) †
- Species Congeria polymorpha (Pallas, 1771) accepted as Dreissena polymorpha (Pallas, 1771)
- Species Congeria pontica Özsayar, 1977 † accepted as Carinatocongeria digitifera (Andrusov, 1897) †
- Species Congeria pontoduabica Gabuniya, 1953 † accepted as Mytilopsis pontoduabica (Gabuniya, 1953) †
- Species Congeria postsubcarinata Chelidze, 1952 † accepted as Mytilopsis caucasica (Seninski, 1905) †
- Species Congeria praebalatonica Miletić-Spajić, 1959 †
- Species Congeria praebrandenburgi Stevanović, 1978 †
- Species Congeria praeoblonga Kojumdgieva, 1968 † accepted as Coelogonia praeoblonga (Kojumdgieva, 1968) †
- Species Congeria praeornithopsis A. Papp, 1953 † accepted as Mytilopsis praeornithopsis (A. Papp, 1953) †
- Species Congeria praerhomboidea Stevanović, 1978 †
- Species Congeria prekairenderensis Taner, 1974 †
- Species Congeria preradovici Brusina, 1893 † accepted as Coelogonia preradovici (Brusina, 1893) †
- Species Congeria prezujovici Lubenescu, 1981 †
- Species Congeria prisca K. Papp, 1897 † accepted as Dreissena prisca (K. Papp, 1897) †
- Species Congeria propria Taktakishvili, 1963 † accepted as Congeria flexuosa Taktakishvili, 1963 †
- Species Congeria pseudauricularis [sic] † accepted as Congeria pseudoauricularis Lörenthey, 1893 †
- Species Congeria pseudoauricularis Lörenthey, 1893 † accepted as Mytilopsis martonfii pseudoauricularis (Lörenthey, 1893) †
- Species Congeria pseudorostriformis Sinzov, 1897 † accepted as Amygdalia amygdaloides pseudorostriformis (Sinzov, 1897) †
- Species Congeria pseudosuprangusta Chelidze, 1974 † accepted as Andrusoviconcha simulans turgida (Andrusov, 1897) †
- Species Congeria quadrans Handmann, 1882 † accepted as Mytilopsis plana (Lörenthey, 1902) †
- Species Congeria radmanesti T. Fuchs, 1870 † accepted as Andrusoviconcha radmanesti (T. Fuchs, 1870) †
- Species Congeria ramphophora Brusina, 1892 † accepted as Andrusoviconcha ramphophora (Brusina, 1892) †
- Species Congeria rhodanica Fontannes, 1882 † accepted as Mytilopsis rhodanica (Fontannes, 1882) †
- Species Congeria rhomboidea M. Hörnes, 1867 † accepted as Rhombocongeria rhomboidea (M. Hörnes, 1867) †
- Species Congeria ringeiseni Jekelius, 1944 † accepted as Mytilopsis ringeiseni (Jekelius, 1944) †
- Species Congeria rostriformis (Deshayes, 1838) † accepted as Dreissena rostriformis (Deshayes, 1838) †
- Species Congeria rumana Stefanescu, 1896 † accepted as Rhombocongeria rhomboidea rumana (Stefanescu, 1896) †
- Species Congeria rzehaki Rzehak, 1893 † accepted as Congeria subclaviformis Rzehak, 1893 †
- Species Congeria sandbergeri [sic] † accepted as Coelogonia sandbergerii (Andrusov, 1890) †
- Species Congeria sarmatica Kojumdgieva, 1968 † accepted as Andrusoviconcha sarmatica (Kojumdgieva, 1968) †
- Species Congeria savuli Jeanrenaud, 1963 †
- Species Congeria scaphula Andrusov, 1897 † accepted as Illyricocongeria scaphula (Andrusov, 1897) †
- Species Congeria schmidti Lörenthey, 1893 † accepted as Andrusoviconcha ramphophora (Brusina, 1892) †
- Species Congeria schroeckingeri T. Fuchs, 1870 † accepted as Dreissenomya schroeckingeri (T. Fuchs, 1870) †
- Species Congeria schuetti Schlickum, 1964 † accepted as Mytilopsis schuetti (Schlickum, 1964) †
- Species Congeria scrobiculata Andrusov, 1897 † accepted as Mytilopsis scrobiculata (Andrusov, 1897) †
- Species Congeria semilunata Pană, 1966 † accepted as Sinucongeria semilunata (Pană, 1966) †
- Species Congeria semilunata Pavlović, 1927 †
- Species Congeria sharpei Brusina, 1902 † accepted as Andrusoviconcha balatonica sharpei (Brusina, 1902) †
- Species Congeria simplex Barbot de Marny, 1869 † accepted as Dreissena simplex (Barbot de Marny, 1869) †
- Species Congeria simulans Brusina, 1893 † accepted as Andrusoviconcha simulans (Brusina, 1893) †
- Species Congeria slavonica Andrusov, 1897 † accepted as Andrusoviconcha slavonica (Andrusov, 1897) †
- Species Congeria sliskovici Kochansky-Devidé, 1978 † accepted as Trigonipraxis sliskovici (Kochansky-Devidé, 1978) †
- Species Congeria soceni Jekelius, 1944 † accepted as Mytilopsis soceni (Jekelius, 1944) †
- Species Congeria socialis Kochansky-Devidé, 1978 † accepted as Trigonipraxis socialis (Kochansky-Devidé, 1978) †
- Species Congeria soklici Kochansky-Devidé, 1978 † accepted as Illyricocongeria soklici (Kochansky-Devidé, 1978) †
- Species Congeria solitaria Brusina, 1902 † accepted as Andrusoviconcha neumayri (Andrusov, 1897) †
- Species Congeria soproniensis Vitális, 1934 † accepted as Congeria subglobosa soproniensis Vitális, 1934 †
- Species Congeria sowerbyi (A. d'Orbigny, 1850) † accepted as Dreissena sowerbyi A. d'Orbigny, 1850 †
- Species Congeria spathulata Partsch, 1835 † accepted as Andrusoviconcha spathulata (Partsch, 1835) †
- Species Congeria spinicrista Lörenthey, 1894 † accepted as Trigonipraxis triangularis (Partsch, 1835) †
- Species Congeria stefanii Andrusov, 1897 †
- Species Congeria stiriaca Rolle, 1858 †
- Species Congeria stojcicae Kochansky-Devidé, 1978 † accepted as Illyricocongeria stojcicae (Kochansky-Devidé, 1978) †
- Species Congeria styriaca [sic] † accepted as Congeria stiriaca Rolle, 1858 †
- Species Congeria subamygdaloides Rzehak, 1893 † accepted as Congeria subclaviformis Rzehak, 1893 †
- Species Congeria subbasteroti (Tournouër, 1874) † accepted as Mytilopsis subbasteroti (Tournouër, 1874) †
- Species Congeria subcarinata (Deshayes, 1838) † accepted as Andrusoviconcha subcarinata (Deshayes, 1838) †
- Species Congeria subclaviformis Rzehak, 1893 † accepted as Andrusoviconcha subclaviformis (Rzehak, 1893) †
- Species Congeria subglobosa Partsch, 1835 †
- Species Congeria subimbricata Cossmann & Peyrot, 1914 †
- Species Congeria submirabilis Chelidze, 1952 † accepted as Mytilopsis submirabilis (Chelidze, 1952) †
- Species Congeria subnovorossica Osaulenko, 1936 †
- Species Congeria subrhomboidea Andrusov, 1897 †
- Species Congeria subrotundata (Pană, 1962) † accepted as Dreissenomya subrotundata (Pană, 1962) †
- Species Congeria sumeghyi Strausz, 1942 †
- Species Congeria susedana Vrsaljko & Sremac, 1999 †
- Species Congeria suspecta Brusina, 1902 †
- Species Congeria tacutai Jeanrenaud, 1963 †
- Species Congeria tarielii Gabuniya, 1953 † accepted as Mytilopsis submirabilis (Chelidze, 1952) †
- Species Congeria tenuissima Moisescu, 1964 † accepted as Andrusoviconcha tenuissima (Moisescu, 1964) †
- Species Congeria tinnyeana Lörenthey, 1902 † accepted as Mytilopsis tinnyeana (Lörenthey, 1902) †
- Species Congeria tournoueri Andrusov, 1897 † accepted as Andrusoviconcha panticapaea tournoueri (Andrusov, 1897) †
- Species Congeria touzini Andrusov, 1897 †
- Species Congeria transcaucasica Davitashvili, 1934 †
- Species Congeria transylvanica Lubenescu, 1985 †
- Species Congeria triangularis Partsch, 1835 † accepted as Trigonipraxis triangularis (Partsch, 1835) †
- Species Congeria trnskii Brusina, 1902 † accepted as Mytilopsis trnskii (Brusina, 1902) †
- Species Congeria turgida Andrusov, 1897 † accepted as Andrusoviconcha simulans turgida (Andrusov, 1897) †
- Species Congeria turgidodilatata Gabuniya, 1953 † accepted as Mytilopsis turgidopsis (Andrusov, 1929) †
- Species Congeria turgidopsis Andrusov, 1929 † accepted as Mytilopsis turgidopsis (Andrusov, 1929) †
- Species Congeria unguiculus (F. Sandberger, 1871) †
- Species Congeria ungulacaprae (Münster, 1837) † accepted as Trigonipraxis ungulacaprae (Münster, 1837) †
- Variety Congeria ungulacaprae var. crassissima Lörenthey, 1902 † accepted as Trigonipraxis ungulacaprae crassissima (Lörenthey, 1902) †
- Variety Congeria ungulacaprae var. halavatsi Vitális, 1911 † accepted as Trigonipraxis ungulacaprae (Münster, 1837) †
- Variety Congeria ungulacaprae var. lorentheyi Vitális, 1911 † accepted as Trigonipraxis ungulacaprae (Münster, 1837) †
- Variety Congeria ungulacaprae var. rhombiformis Lörenthey, 1902 † accepted as Trigonipraxis ungulacaprae rhombiformis (Lörenthey, 1902) †
- Species Congeria valahica Papaianopol, 1974 † accepted as Mytilopsis valahica (Papaianopol, 1974) †
- Species Congeria venusta Kochansky-Devidé, 1978 † accepted as Andrusoviconcha venusta (Kochansky-Devidé, 1978) †
- Species Congeria volucris Kochansky-Devidé, 1978 † accepted as Illyricocongeria volucris (Kochansky-Devidé, 1978) †
- Species Congeria vugroveci Sremac, 1981 †
- Species Congeria vuki Andrusov, 1897 † accepted as Andrusoviconcha vuki (Andrusov, 1897) †
- Species Congeria waehneri Andrusov, 1897 †
- Species Congeria zagrabiensis (Brusina, 1884) † accepted as Andrusoviconcha zagrabiensis (Brusina, 1884) †
- Species Congeria zahalkai Špalek, 1937 † accepted as Trigonipraxis zahalkai (Špalek, 1937) †
- Species Congeria zoici Andrusov, 1897 † accepted as Trigonipraxis zoici (Andrusov, 1897) †
- Species Congeria zoisi [sic] † accepted as Trigonipraxis zoici (Andrusov, 1897) †
- Species Congeria zsigmondyi Halaváts, 1882 †
- Species Congeria zujovici Andrusov, 1897 † accepted as Trigonipraxis zujovici (Andrusov, 1897) †
- Genus Enocephalus Bronn, 1848 † accepted as Congeria Partsch, 1835
- Genus Enocephalus Münster, 1831 † accepted as Enocephalus Bronn, 1848 †
- Genus Illyricocongeria Mandic, 2016 † (22)
- Genus Rhombocongeria Starobogatov, 1970 † (1)
- Genus Trigonipraxis Starobogatov, 1970 † (21)
- Subfamily Dreisseninae J. E. Gray, 1840 (139)
- Subfamily Dreissenomyinae Babak, 1983 † (16)
- Genus Carinatocongeria Stevanović, 1990 † (3)
- Genus Coelogonia Bronn, 1837 † (9)
- Genus Rheodreissena Geda, Lujan, M. Perkins, Abernethy, Sabaj & Gangloff, 2018 (5)
- Genus Teisseyreomya Bolgiu, 1954 †
- Superfamily Myoidea Lamarck, 1809 (309)
- Superfamily Pholadacea accepted as Pholadoidea Lamarck, 1809
- Superfamily Pholadoidea Lamarck, 1809 (294)
- Superfamily Pleuromyoidea Zittel, 1895 † (17)
- Family Aloididae Thiele, 1934 accepted as Corbulidae Lamarck, 1818
- Family Myacidae accepted as Myidae Lamarck, 1809
- Order Sphaeriida (662)
- Order Venerida (2 821)
- Superfamily Cyamioidea G. O. Sars, 1878 (98)
- Superfamily Gaimardioidea Hedley, 1916 accepted as Cyamioidea G. O. Sars, 1878
- Superfamily Galeommatacea accepted as Galeommatoidea J. E. Gray, 1840
- Superfamily Grammysioidea S. A. Miller, 1877 † (90)
- Superfamily Kalenteroidea Marwick, 1953 † (39)
- Superfamily Mactracea accepted as Mactroidea Lamarck, 1809
- Order Anomalodesmacea accepted as Anomalodesmata
- Order Euheterodonta incertae sedis (27)
- Order Pholadomyida represented as Anomalodesmata
- Family Lipanellidae T. M. Sánchez, 2005 † (4)
- Family Rhaetidiidae Dominici & Danise, 2024 † (2)
- Subterclass Heterodonta
- Subterclass Palaeoheterodonta (4 072)
- Superorder Heteroconchia incertae sedis † (1)
- Infraclass Pteriomorphia (6 658)
- Subclass Bivalvia incertae sedis (7)
- Subclass Palaeotaxodonta accepted as Nuculida
- Subclass Paleoheterodonta accepted as Palaeoheterodonta
- Subclass Protobranchia (1 365)
- Infraclass Cryptodonta † (342)
- Class Caudofoveata (143)
- Class Cephalopoda (1 834)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 697)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (372)
- Class Monoplacophora (229)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 377)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (752)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata