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 Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio crassus Retzius, 1788
 
     Schröter, 1779, Gesch. Flußconch.: 182, pl. 2, fig. 2 [Mya testa crassa]. [non-binomial]
     Philipsson in Retzius, 1788, Diss. Nat.-Hist. Test. Gen.: 17.
 
= Unio crassus Taxonomic Opinions
	= Unio crassus Philipsson, 1788 — Dai et al., 2025 
	= Unio crassus  — Wu et al., 2025 
	= Unio crassus Philipsson, 1788 — Chen et al., 2025 
	= Unio crassus  — Wu et al., 2024 
	= Unio crassus Philipsson, 1788 — Dai et al., 2024 
	= Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024 
	= Unio crassus  — Wu et al., 2024 
	= Unio crassus  — Zieritz et al., 2024 
	= Unio crassus Philipsson, 1788 — Dai et al., 2024 
	= Unio crassus Philipsson, 1788 — Dai et al., 2024 
	= Unio crassus  — Hou et al., 2024 
	= Unio crassus Retzius, 1788 — Konopleva et al., 2023 
	= Unio crassus Retzius, 1788 — Dai et al., 2023 
	= Unio crassus Philipsson, 1788 — Chen et al., 2023 
	= Unio crassus Philipsson, 1788 — Prié et al., 2023 
	= Unio crassus Retzius, 1788 — Vikhrev et al., 2023 
	= Unio crassus  — Wu et al., 2023 
	= Unio crassus Philipsson, 1788 — Jihad, 2023 
	= Unio crassus Philipsson, 1788 — Wu et al., 2022 
	= Unio crassus  — Lyubas et al., 2022 
	= Unio crassus Philipsson in Retzius, 1788 — Jeratthitikul et al., 2022 
	= Unio crassus  — Pfarrer et al., 2022 
	= Unio crassus crassus Philipsson in Retzius, 1788 — Bogatov, 2022 
	= Unio crassus  — Lyubas et al., 2022 
	= Unio crassus  — Sayenko et al., 2021 
	= Unio crassus Philipsson in Retzius, 1788 — Graf & Cummings, 2021 
	= Unio c. crassus Philipsson, 1788 — Príe et al., 2021 
	= Unio crassus  — Kim et al., 2021 
	= Unio crassus  — Lopes-Lima et al., 2021 
	= Unio crassus  — Zieritz et al., 2021 
	= Unio crassus Philipsson in Retzius, 1788 — Babushkin et al., 2021 
	= Unio crassus  — Wu et al., 2021 
	= Unio crassus  — Lopes-Lima et al., 2021 
	= Unio crassus  — Lopes-Lima et al., 2020 
	= Unio crassus Retzius, 1788 — Bolotov et al., 2020 
	= Unio crassus  — Múrria et al., 2020 
	= Unio crassus  — Fukata & Iigo, 2020 
	= Unio crassus  — Wu et al., 2020 
	= Unio crassus  — Sano et al., 2020 
	= Unio crassus Philipsson, 1788 — Soroka, 2020 
	= Unio crassus Philipsson, 1788 — Kilikowska et al., 2020 
	= Unio crassus Philipsson, 1788 — Kilikowska et al., 2020 
	= Unio crassus Philipsson, 1788 — Huang et al., 2019 
	= Unio crassus Retzius, 1788 — Wu et al., 2019 
	= Unio crassus Retzius, 1788 — Klishko et al., 2019 
	= Unio crassus  — Froufe et al., 2019 
	= Unio crassus  — Fukata & Iigo, 2019 
	= Unio crassus  — Guerra et al., 2019 
	= Unio crassus  — Tomilova et al., 2019 
	= Unio crassus Philipsson, 1788 — Huang et al., 2019 
	= Unio crassus Retzius, 1788 — Araujo et al., 2018 
	= Unio crassus Philipsson, 1788 — Zieritz et al., 2018 
	= Unio crassus Philipsson, 1788 — Bolotov et al., 2018 
	= Unio crassus  — Huang et al., 2018 
	= Unio crassus Retzius, 1788 — Wu et al., 2018 
	= Unio crassus  — Wang et al., 2018 
	= Unio crassus Phil. in Retzius, 1788 — Bogatov et al., 2018 
	= Unio crassus Retzius, 1788 — Burzynski & Soroka, 2018 
	= Unio crassus  — Aunins et al., 2018 
	= Unio crassus  — Wang et al., 2018 
	= Unio crassus  — Cha et al., 2018 
	= Unio crassus  — Anisimova et al., 2018 
	= Unio crassus  — Klishko et al., 2018 
	= Unio crassus Retzius, 1788 — Araujo et al., 2018 
	= Unio crassus Retzius, 1788 — Araujo et al., 2018 
	= Unio crassus Retzius, 1788 — Araujo et al., 2018 
	= Unio crassus crassus Philipsson, 1788 — Lopes-Lima et al., 2017 
	= Unio crassus Philipsson, 1788 — Lopes-Lima et al., 2017 
	= Unio crassus Philipsson, 1788 — Bolotov et al., 2017 
	= Unio crassus Philipsson, 1788 — Bolotov et al., 2017 
	= Unio crassus  — Burzynski et al., 2017 
	= Unio crassus  — Soroka & Burzynski, 2017 
	= Unio crassus Philipsson, 1788 — Liu et al., 2017 
	= Unio crassus crassus Philipsson, 1788 — Klishko et al., 2017 
	= Unio crassus  — Lopes-Lima et al., 2017 
	= Unio crassus  — Froufe et al., 2016 
	= Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016 
	= Unio crassus  — Froufe et al., 2016 
	= Unio crassus Philippson, 1788 — IUCN, 2014 
	= Unio crassus crassus  — Prié & Puillandre, 2014 
	= Unio crassus Philipsson, 1788 — Douda et al., 2014 
	= Unio crassus Philipsson, 1788 — Prie et al., 2014 
	= Unio crassus crassus  — Prié & Puillandre, 2014 
	= Unio crassus Philipsson, 1788 — Douda et al., 2014 
	= Unio crassus  — Reis et al., 2013 
	= Unio crassus Philipsson, 1788 — Sell et al., 2013 
	= Unio crassus  — Reis et al., 2013 
	= Unio crassus crassus Philippson, 1788 — Fauna Europaea, 2012 
	= Unio crassus Philippson in Retzius, 1788 — Prie et al., 2012 
	= Unio crassus (Philipsson 1788) — Zieritz et al., 2012 
	= Unio crassus  — Khalloufi et al., 2011 
	= Unio crassus  — Plazzi et al., 2011 
	= Unio crassus Philippson in Retzius, 1788 — Bogan, 2010 
	= Crassiana crassa crassa (Philippson in Retzius, 1788) — Kantor et al., 2010 
	= Unio crassus Philippson, 1788 — Soroka, 2010 
	= Unio crassus Philippson, 1788 — Soroka, 2010 
	= Unio crassus Philippson, 1788 — Dhora, 2009 
	= Unio crassus Philipsson, 1788 — Araujo et al., 2009 
	= Unio crassus  — Manendo et al., 2008 
	= Unio crassus Philippson in Retzius, 1788 — Graf, 2007 
	= Unio crassus Philippson in Retzius, 1788 — Graf & Cummings, 2007 
	= Crassiana crassa crassa (Philipsson in Retzius, 1788) — Kantor & Sysoev, 2005 
	= Unio crassus (Philippson, 1788) — Källersjö et al., 2005 
	= Unio crassus (Philippson, 1788) — Soroka, 2005 
	= Crassiana (s.s.) crassa (Rhilippson in Retzius, 1788) — Starobogatov et al., 2004 
	= Unio (Crassiana) crassus crassus Philipsson, 1788 — Falkner et al., 2002 
	= Unio (Crassiana) crassus crassus Philippson, 1788 — Falkner et al., 2001 
	= Unio crassus Philippson, 1788 — Nagel & Badino, 2001 
	= Unio crassus  — Gerke & Tiedemann, 2001 
	= Unio crassus Retzius, 1788 — Bába, 2000 
	= Batavusiana (Crassiana) crassus (Philipsson, 1788) — Korniushin, 1998 
	= Unio crassus Philippson, 1788 — Nagel et al., 1998 
	= Unio (Crassunio) crassus Philippson, 1788 — Falkner, 1994 
	= Unio crassus Philipsson, 1788 — Dyduch-Falniowska & Koziol, 1989 
	= Batavusiana (Crassunio) crassa (Phillipsson, 1788) — Zatravkin, 1987 
	= Batavusiana (Crassunio) crassa (Philippson, 1788) — Stadnichenko, 1984 
	= Batavusiana (Crassunio) crassa (Phillipsson in Reczius [sic], 1788) — Zatravkin, 1983 
	= Crassiana crassa crassa (Philipsson, 1788) — Akromovski, 1976 
	= Unio crassus crassus Retzius, 1788 — Haas, 1969 
	= Unio crassus Philipsson, 1788 — Zhadin, 1965 
	= Unio crassus crassus Retzius, 1788 — Haas, 1940 
	= Unio (s.s.) crassus Retzius, 1788 — Zhadin, 1938 
	= Unio crassus Philippson — Germain, 1931 
	= Margaritana crassa (Retzius, 1788) — Simpson, 1914 
	= Unio crassus Retzius — Ortmann, 1914 
	= Unio crassus Retzius, 1788 — Ortmann, 1912 
	= Unio crassus  — Kobelt & Haas, 1910 
	= Margaritana crassa (Retzius, 1788) — Simpson, 1900 
	= Unio (Groupe de l’U. feliciani) crassus Philippson — Locard, 1893 
	= Unio (sec. Hyridella) crassus Retzius, 1788 — Paetel, 1890 
	= Unio crassus Retzius, 1788 — Westerlund, 1890 
	= Unio (Crassiana) crassus Philipsson — Locard, 1889 
	= Unio (Crassiana) crassus Philippsson, 1788 — Servain, 1888 
	= Unio crassus Philippson, 1788 — Schröder, 1885 
	= Unio (Crassiana) crassus Philippson — Servain, 1882 
	= Unio (Groupe de l’U. crassus) crassus Philippsson — Locard, 1882 
	= Unio crassus Phil. — Drouët, 1881 
	= Unio batavus var. crassus Retz. — Clessin, 1877 
	= Margaron (Unio) crassus (Retz.) — Lea, 1870 
	= Unio crassus s.s. Retz. — Westerlund, 1867 
	= Unio (Bariosta) crassus Retz. — Adams & Adams, 1857 
	= Unio (Lymnium) crassus  — Drouët, 1857 
	= Unio (Lymnium) crassus Philipss. — Moquin-Tandon, 1855 
	= Unio crassus Retz. — Küster, 1854 
	= Unio (Potamida) [sic] crassus Retz. — Mörch, 1853 
	= Margaron (Unio) crassus (Retz.) — Lea, 1852 
	= Unio crassus Retzius, 1788 — Zelebor, 1851 
	= Mysca crassa Retz., R. — Schlüter, 1838 
	+ Margarita (Unio) litoralis [sic] Lam. Pfeif. Des Moul. Grat. — Lea, 1838 
	= Unio crassus Retz. — Rossmässler, 1837 
	+ Margarita (Unio) litoralis [sic] (Lamarck, 1801) — Lea, 1836 
	= Unio crassus Retz. — Rossmässler, 1835 
	= Unio crassus Retzius, 1788 — Menke, 1830 
	= Unio crassus Retzius, 1788 — Menke, 1828 
	= Unio crassus Retzius — Nilsson, 1822 
	= Unio crassus Retz. — Spengler, 1793 
	= Unio crassus  — Retzius, 1788 
 
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