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Data last updated Mon 1 Dec 2025
Bivalvia | Unionoida | Unionoidea
5 subfamilies, 32 genera
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 290 [as ‘Uniodia, Les Uniodés’].Fleming, 1828. Hist. Brit. Anim.: 408, 415.Type genus: Unio Retzius, 1788 = Unio
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 310 [as ‘Amblemidia, Les Amblémides’].Deshayes, 1830. Enc. Méth. 2 (Première partie): 18 [as ‘Ablemidiæ’ [sic] ].Modell, 1942. Arch. Moll. 74(5/6): 180.Type genus: Amblema Rafinesque, 1820 = Amblema
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 316 [as ‘Anodontidia, Les Anodontides’].Swainson, 1840. Treat. Malacol.: 286, 381.Ortmann, 1910. Nautilus 23: 117.Type genus: Anodonta Lamarck, 1799 = Anodonta
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 317 [as ‘Alasmidia. Les Alasmides’].Deshayes, 1830. Enc. Méth. 2 (Première partie): 13 [as ‘Alasmides’].Swainson, 1840. Treat. Malacol.: 268, 381 [as ‘Alasmodontinæ’].Frierson, 1927. Check List N. Amer. Naiades: 8-9, 18.(correct name for Alasmodontidae Swainson, 1840)Type genus: Alasmidonta Say, 1818 = Alasmidonta
Swainson, 1840. Treat. Malacol.: 264, 268, 275, 287-288, 290, 381.(name corrected to Alasmidontidae Rafinesque, 1820)Type genus: Alasmodon Thompson, 1820 = Alasmidonta
Ihering, 1901. Nautilus 15(4): 53.Ortmann, 1910. Nautilus 23: 118.Ortmann, 1912. Ann. Carnegie Mus. 8: 224.Type genus: Lampsilis Rafinesque, 1820 = Lampsilis
Ihering, 1901. Nautilus 15(5): 53 [as ‘Quadrulinæ’].Haas, 1929. Senckenbergiana 11: ??.Type genus: Quadrula Rafinesque, 1820 = Quadrula
Hannibal, 1912. Proc. Malac. Soc. London 10(2): 119.Modell, 1942. Arch. Moll. 74(5/6): 179.Type genus: Pleurobema Rafinesque, 1819 = Pleurobema
Hannibal, 1912. Proc. Malac. Soc. London 10(2): 119.Type genus: Proptera Rafinesque, 1819 = Potamilus
Ortmann, 1916. Nautilus 30: 53.Type genus: Gonidea Conrad, 1857 = Gonidea
Frierson, 1927. Check List N. Amer. Naiades: 67.Type genus: Pseudodon Gould, 1844 = Pseudodon
Henderson, 1935. GSA, Spec. Pap. 3: 69.Modell, 1942. Arch. Moll. 74(5/6): 186.Type genus: Parreysia Conrad, 1853 = Parreysia
Modell, 1942. Arch. Moll. 74(5/6): 176.Type genus: Pseudavicula Simpson, 1900 = Prisodontopsis
Modell, 1942. Arch. Moll. 74(5/6): 178, 180.Modell, 1943. Arch. Moll. 75: 110.Modell, 1964. Arch. Moll. 93: 88.Type genus: Elliptio Rafinesque, 1819 = Elliptio
Modell, 1942. Arch. Moll. 74(5/6): 184.Modell, 1964. Arch. Moll. 93: 101.Type genus: Heudeana Frierson, 1922 = Ptychorhynchus
Modell, 1942. Arch. Moll. 74(5/6): 187.Modell, 1943. Arch. Moll. 75: 113.Modell, 1964. Arch. Moll. 93: 109.Type genus: Lamprotula Simpson, 1900 = Lamprotula
Modell, 1942. Arch. Moll. 74(5/6): 188.Type genus: Cafferia Simpson, 1900 = Unio
Modell, 1942. Arch. Moll. 74(5/6): 188.Modell, 1945. Jena. Z. Med. Naturw. 78: 83.Modell, 1964. Arch. Moll. 93: 112.Habe, 1977. Mollusc. Japan: 116.Type genus: Hyriopsis Conrad, 1853 = Hyriopsis
Modell, 1942. Arch. Moll. 74(5/6): 188.Modell, 1964. Arch. Moll. 93: 111.Type genus: Lamellidens Simpson, 1900 = Lamellidens
Modell, 1942. Arch. Moll. 74(5/6): 189.Modell, 1945. Jena. Z. Med. Naturw. 78: 83.Type genus: Contradens Haas, 1911 = Lens
Modell, 1942. Arch. Moll. 74(5/6): 189.Modell, 1945. Jena. Z. Med. Naturw. 78: 83.Modell, 1964. Arch. Moll. 93: 113.Type genus: Rectidens Simpson, 1900 = Rectidens
Modell, 1942. Arch. Moll. 74(5/6): 190.Starobogatov, 1970. Fauna Moll. Continent.: 64.(name corrected to Coelaturidae Modell, 1942)Type genus: Caelatura Conrad, 1853 = Coelatura
Modell, 1942. Arch. Moll. 74(5/6): 190.Modell, 1964. Arch. Moll. 93: 117.Type genus: Nannonaia Haas, 1913 = Elongaria
Modell, 1942. Arch. Moll. 74(5/6): 190 [as ‘Caelaurinae’].Modell, 1964. Arch. Moll. 93: 116 [as ‘Caelaturinae’].(correct name for Caelaturidae Modell, 1942)Type genus: Coelatura Conrad, 1853 = Coelatura
Leloup, 1950. Res. Sci. Explor. Hydrob. Lac Tanganyika (1946-1947) 3: 111.Pain & Woodward, 1968. Rev. Zool. Botan. Afr. 77: 193, 212.Type genus: Pseudospatha Simpson, 1900 = Pseudospatha
Leloup, 1950. Res. Sci. Explor. Hydrob. Lac Tanganyika (1946-1947) 3: 73.Pain & Woodward, 1968. Rev. Zool. Botan. Afr. 77: 192.Type genus: Brazzaea Bourguignat, 1886 = Brazzaea
Mongin, 1963. Mém. Soc. Géol. France 96: 19.Type genus: Cuneopsis Simpson, 1900 = Cuneopsis
Modell, 1964. Arch. Moll. 93: 83.Type genus: Dentaspatharia Modell, 1964 = Dentaspatharia
Pain & Woodward, 1968. Rev. Zool. Botan. Afr. 77: 193, 200.Type genus: Mweruella Haas, 1936 = Prisodontopsis
Pain & Woodward, 1968. Rev. Zool. Botan. Afr. 77: 193, 206.Type genus: Prisodontopsis Tomlin, 1928 = Prisodontopsis
Heard & Guckert, 1970. Malacologia 10: 338.Type genus: Megalonaias Utterback, 1915 = Megalonaias
Heard & Guckert, 1970. Malacologia 10: 339.Type genus: Popenaias Frierson, 1927 = Popenaias
Starobogatov, 1970. Fauna Moll. Continent.: 61, 283.Type genus: Arcidopsis Simpson, 1900 = Arcidopsis
Starobogatov, 1970. Fauna Moll. Continent.: 61, 283.Type genus: Leguminaia Conrad, 1865 = Leguminaia
Starobogatov, 1970. Fauna Moll. Continent.: 65, 284.Type genus: Oxynaia Haas, 1911 = Nodularia
Starobogatov, 1970. Fauna Moll. Continent.: 65, 284.Type genus: Psilunio Sabba Stefanescu, 1896 = Potomida
Starobogatov, 1970. Fauna Moll. Continent.: 68.Type genus: Physunio Simpson, 1900 = Physunio
Starobogatov, 1970. Fauna Moll. Continent.: 69, 287.Gordon, 1980. Proc. Ark. Acad. Sci. 34: 58.Gordon, 1985. Nautilus 99: 8.Type genus: Strophitus Rafinesque, 1820 = Strophitus
Starobogatov, 1970. Fauna Moll. Continent.: 70, 287.Type genus: Cyprogenia Agassiz, 1852 = Cyprogenia
Starobogatov, 1970. Fauna Moll. Continent.: 70, 287.Type genus: Dromus Simpson, 1900 = Dromus
Starobogatov, 1970. Fauna Moll. Continent.: 70, 287.Type genus: Friersonia Ortmann, 1912 = Friersonia
Starobogatov, 1970. Fauna Moll. Continent.: 70, 287.Type genus: Glebula Conrad, 1853 = Glebula
Starobogatov, 1970. Fauna Moll. Continent.: 70, 287.Type genus: Medionidus Simpson, 1900 = Medionidus
Starobogatov, 1970. Fauna Moll. Continent.: 70, 287.(name corrected to Pileidae Starobogatov, 1970)Type genus: Pilea Simpson, 1900 = Epioblasma
Starobogatov, 1970. Fauna Moll. Continent.: 70, 287.Type genus: Ptychobranchus Simpson, 1900 = Ptychobranchus
Starobogatov, 1970. Fauna Moll. Continent.: 70, 287 [as ‘Pilaeini’].(correct name for Pilaeidae Starobogatov, 1970)Type genus: Pilea Simpson, 1900 = Epioblasma
Brandt, 1974. Arch. Moll. 105: 301.Type genus: Modellnaia Brandt, 1974 = Modellnaia
Chen, 1983. unknown publication: ??.Type genus: Qiyangia Chen & Xu, 1980 = Qiyangia
‘Jaeckel’ Stadnichenko, 1984. Fauna Ukrayiny 29: 112.Type genus: Pseudanodonta Bourguignat, 1876 = Pseudanodonta
Chen, 1987. unknown publication: ??.Type genus: Plicatounio Kobayashi & Suzuki, 1936 = Plicatounio
‘Starobogatov & Zatravkin’ Bogatov & Zatravkin, 1988. Trudy Zool. Inst. 187: 25.Type genus: Nodularia Conrad, 1853 = Nodularia
Ma, 1989. unknown publication: 259.Type genus: Jilinoconcha Ma, 1989 = Plesielliptio
Skawina & Dzik, 2011. J. Linn. Soc., Zool. 163: 874.Type genus: Silesunio Skawina & Dzik, 2011 = Silesunio
Bolotov, Vikhrev et Tumpeesuwan in Bolotov et al., 2017. Sci. Repts. 7: 11.Type genus: Pilsbryoconcha Simpson, 1900 = Pilsbryoconcha
Lopes-Lima, Bogan & Froufe in Lopes-Lima et al., 2017. MPE 106: 180.Type genus: Cristaria Schumacher, 1817 = Cristaria
Froufe, Lopes-Lima, & Bogan in Lopes-Lima et al., 2017. MPE 106: 181.Type genus: Lanceolaria Conrad, 1853 = Lanceolaria
Bogan, Froufe & Lopes-Lima in Lopes-Lima et al., 2017. MPE 106: 182, 185.Type genus: Chamberlainia Simpson, 1900 = Chamberlainia
Vikhrev, Bolotov & Kondakov in Bolotov et al., 2017. Sci. Repts. 7: 2.Type genus: Leoparreysia Bolotov et al., 2017 = Leoparreysia
Bolotov, Pfeiffer, Vikhrev, & Konopleva in Bolotov et al., 2018. Sci. Repts. 8: 5.Type genus: Indochinella Bolotov et al., 2018 = Indochinella
Huang & Wu in Huang et al., 2019. MPE 130: 57.Type genus: Aculamprotula Wu et al., 1999 = Aculamprotula
Huang & Wu in Huang et al., 2019. MPE 130: 57.Type genus: Lepidodesma Simpson, 1896 = Lepidodesma
Lopes-Lima, Bolotov & Bogan in Lopes-Lima et al., 2020. MPE 146: [23].Type genus: Middendorffinaia Moskvicheva & Starobogatov, 1973 = Middendorffinaia
Lopes-Lima, Pfeiffer & Zieritz in Zieritz et al., 2021. Aquatic Conserv.: Mar. Freshw. Ecosyst. 31: 8.Type genus: Schepmania Haas, 1910 = Schepmania
Pfeiffer, Zieritz, Rahim & Lopes- Lima in Zieritz et al., 2021. Aquatic Conserv.: Mar. Freshw. Ecosyst. 31: 9.Type genus: Ctenodesma Simpson, 1900 = Ctenodesma
Bolotov, Konopleva, Kondakov & Vikhrev in Bolotov et al., 2023. Water 15: 22, Table 1.Type genus: Indopseudodon Prashad, 1922 = Indopseudodon
Dai, Chen, Huang & Wu in Dai et al., 2025. Zoosyst. Evol. 101(2): 785.Type genus: Globunio Dai et al., 2025 = Globunio
Lindholm, 1932. Trans. United Geol. Prosp. Serv. USSR 238: ??.Type genus: Limnoscapha Lindholm, 1932 = Limnoscapha
Starobogatov, 1967. Trudy 3rd Sess. Vses. Paleont. Obshch. 9: 178.Type genus: Acuticosta Simpson, 1900 = Acuticosta
‘Rafinesque’ Zatravkin, 1983. [in] I.M. Likharev, Molluscs: 41.(error for Anodontidae Rafinesque, 1820)Type genus: Anodonta Lamarck, 1799 = Anodonta
Starobogatov et al., 2004. Key Freshw. Invert. Russia 6 (molluscs, polychaetes, nemerteans): 30.Type genus: Brachyanodon Fischer & Crosse, 1894 = Brachyanodon
Graf & Cummings, 2021. J. Moll. Studies 87(1): 6.(error for Popenaiadidae Heard & Guckert, 1970)Type genus: Popenaias Frierson, 1927 = Popenaias
