Unio auricularius Spengler, 1793
Lister, 1685, Conch.: pl. 149, fig. 4. [pre-linnaean]
Spengler, 1793, Skr. Naturhist. Selsk. 3: 54, no. 21.
Type(s): LECTOTYPE ZMUC_BIV-315, Berlingen near Unterseen, Switzerland.

Unio auricularius — Spengler (1793), Westerlund (1890)
Margarita (Unio) auricularis — Lea (1836)
Margarita (Unio) crassissimus — Lea (1838)
Margaron (Unio) crassus — Lea (1852), Lea (1870)
Margaritana crassa — Simpson (1900), Simpson (1914)
Margaritana margaritifera — Preston (1912)
Margaritana auricularia — Haas (1924), Germain (1931)
Margaritana (Potomida) auricularius — Thiele (1934)
Margaritifera auricularia auricularia — Haas (1940)
Margaritifera (Pseudunio) auricularia auricularia — Haas (1969)
Margaritifera (Pseudunio) auricularia — Haas (1969), Van Damme (1984), Bolotov et al. (2016)
Margaritifera auricularia — Mandahl-Barth (1988), Ziuganov et al. (1994), Nagel et al. (1998), Daget (1998), ..., Huang et al. (2018), Huang et al. (2019), Sano et al. (2020), Múrria et al. (2020)
Pseudunio auricularius — Falkner (1994), Lopes-Lima et al. (2018), Guerra et al. (2019), Vikhrev et al. (2019), ..., Príe et al. (2021), Zieritz et al. (2021), Jeratthitikul et al. (2022), Prié et al. (2023)
Pseudunio auricularia — D.G. Smith (2001), Graf & Cummings (2007), Wu et al. (2020)
Pseudunio auricularius auricularius — Falkner et al. (2001), Falkner et al. (2002)

Dichonca crassissima Klein, 1753
Klein, 1753, Tent. Method. Ostrac., etc.: 128, pl. 10, fig. 47. [pre-linnaean]

Dichonca crassissima — Klein (1753)
Mya margaritifera — Linnaeus (1758), Gmelin (1791)
Unio sinuata — Lea (1834)
Margaron (Margaritana) margaritifera — Lea (1852), Lea (1870)
Margaritifera margaritifera — Watters et al. (2009)

Mya margaritifera Gmelin, 1791
Lister, 1678, Hist. Anim. Anglic.: 15, pl. 1, fig. 1. [pre-linnaean]
Lister, 1685, Conch.: pl. 149, fig. 4. [pre-linnaean]
Klein, 1753, Tent. Method. Ostrac., etc.: pl. 10, fig. 47. [pre-linnaean]
Knorr, 1757, Vergnügen 2(4): pl. 25, fig. 2.
Schröter, 1779, Gesch. Flußconch.: pl. 4, fig. 1.
Martini & Chemnitz, 1782, Conchyl. Cab. 6: 15, pl. 1, fig. 5.
Gmelin, 1791, Syst. Nat. 1(6): 3219, sp. 4.
(misidentified reference to Mya margaritifera Linnaeus, 1758)

Mya margaritifera — Gmelin (1791), Schreibers (1793), Dillwyn (1817)
Unio margaritifera — Bosc (1801), Pfeiffer (1821)
Margaritana fluviatilis — Schumacher (1817)
Unio sinuata — Lamarck (1819), Deshayes (1832)
Margaron (Margaritana) margaritifera — Lea (1852), Lea (1870)
Unio margaritifer — Küster (1855)
Unio (Margaritana) margaritifer — Drouët (1857)
Margaritana margaritifera — Clessin (1877)
Unio auricularius — Westerlund (1890)

Unio margaritifera Draparnaud, 1801
Draparnaud, 1801, Tab. Moll. Fr.: 107.
‘Linn.’ Draparnaud, 1806, Hist. Moll. France: 132, pl. 10, figs. 17-19.
(misidentified reference to Mya margaritifera Linnaeus, 1758)

Unio margaritifera — Draparnaud (1801)
Unio sinuata — Lamarck (1819), Held (1836)
Unio margaritifer — Rossmässler (1835)
Margarita (Unio) auricularis — Lea (1836)
Margarita (Unio) crassissimus — Lea (1838)
Unio sinuatus — Dupuy (1843), Malzine (1867)
Unio crassissimus — Hanley (1843)
Margaron (Unio) crassus — Lea (1852), Lea (1870)
Unio (Lymnium) sinuatus — Moquin-Tandon (1855), Drouët (1857)
Unio (Groupe de l’U. sinuatus) sinuatus — Locard (1882)
Unio (Baryana) sinuatus — Locard (1889)
Margaritana margaritifera — Preston (1912)
Margaritana auricularia — Germain (1931)
Margaritifera auricularia — IUCN (2010)

Unio rugosa Poiret, 1801
Poiret, 1801, Coq. Fluv., et Terr. de l’Aisne: 105.
(homonym of Mya rugosa Gmelin, 1791)

Unio rugosa — Poiret (1801)
Margarita (Unio) auricularis — Lea (1836)
Margarita (Unio) crassissimus — Lea (1838)
Margaron (Unio) crassus — Lea (1852), Lea (1870)
Unio (Lymnium) sinuatus — Moquin-Tandon (1855), Drouët (1857)
Unio sinuatus — Malzine (1867), Drouët (1889)
Unio (Baryana) sinuatus — Locard (1889)
Unio auricularius — Westerlund (1890)
Margaritana crassa — Simpson (1900), Simpson (1914)
Margaritana auricularia — Germain (1931)
Margaritifera auricularia — Ziuganov et al. (1994)

Unio margaritifera Millet, 1813
Millet, 1813, Moll. Terr. Fluv. Maine et Loire: .
(misidentified reference to Mya margaritifera Linnaeus, 1758)

Unio margaritifera — Millet (1813)
Unio (Baryana) sinuatus — Germain (1904)

Unio sinuata Lamarck, 1819
Lister, 1685, Conch.: pl. 149, fig. 3 [sic]. [pre-linnaean]
Knorr, 1757, Vergnügen 2(4): pl. 25, fig. 2. [pre-linnaean]
Schröter, 1779, Gesch. Flußconch.: pl. 4, fig. 1.
Bruguière, 1797, Encycl. Méth. 2: pl. 248, figs. 1a-b [as Unio sp.].
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 70, sp. 1.
Type(s): SYNTYPES MHNG_XXX, the Rhine, the Loire and other rivers of continental Europe.

Unio sinuata — Lamarck (1819), Children (1823), Blainville (1825), Férussac (1827), Bory de St. Vincent (1827), Deshayes (1832), Lea (1834), Held (1836), Sganzin (1841), Sowerby (1868)
Unio margaritifera — Bosc (1801), Nilsson (1822)
Unio sinuatus — Menke (1828), Menke (1830), Rossmässler (1836), Dupuy (1843), ..., Drouët (1889), Drouët (1898), Kobelt (1903), Rochebrune (1903)
Alasmodonta margaritifera — Lea (1829)
Margarita (Unio) auricularis — Lea (1836)
Margarita (Unio) crassissimus — Lea (1838)
Mysca (Potomida) sinuata — Swainson (1840)
Unio crassissimus — Hanley (1843)
Alasmodonta sinuata — C.B. Adams (1847)
Margaron (Unio) crassus — Lea (1852), Lea (1870)
Unio (Ponderosi) sinuatus — Dupuy (1852)
Unio (Lymnium) sinuatus — Moquin-Tandon (1855), Drouët (1857)
Unio (Groupe de l’U. sinuatus) sinuatus — Locard (1882), Locard (1893)
Unio (Limnium sec. Potamida) sinuatus — Fischer (1887)
Unio (Baryana) sinuatus — Locard (1889), Germain (1904)
Unio auricularius — Westerlund (1890)
Margaritana crassa — Simpson (1900), Simpson (1914)
Unio (Groupe Baryana) sinuatus — Caziot (1907)
Pseudunio sinuatus — Haas (1910)
Margaritana sinuata — Ortmann (1912), Ortmann (1913)
Margaritana auricularia — Haas (1924), Germain (1931)
Margaritana (Potomida) auricularius — Thiele (1934)
Margaritifera auricularia auricularia — Haas (1940)
Margaritifera (Pseudunio) auricularia auricularia — Haas (1969)
Margaritifera (Pseudunio) auricularia — Haas (1969)
Margaritifera auricularia — Ziuganov et al. (1994), Nagel et al. (1998), Graf & Cummings (2009), Araujo et al. (2009), IUCN (2010), Fauna Europaea (2012)
Pseudunio auricularia — D.G. Smith (2001)
Pseudunio auricularius — Lopes-Lima et al. (2018), Lyubas et al. (2019), Graf & Cummings (2021)

Unio crassissima Férussac, 1827
‘ex Des Moulins’ Férussac, 1827, Moll. Gir.: 42.

Unio crassissima — Férussac (1827)
Margarita (Unio) crassissimus — Lea (1836), Lea (1838)
Unio (Lymnium) sinuatus — Moquin-Tandon (1855), Drouët (1857)
Unio (Groupe de l’U. sinuatus) sinuatus — Locard (1882)
Unio (Baryana) sinuatus — Locard (1889)
Unio auricularius — Westerlund (1890)
Margaritana auricularia — Germain (1931)

Unio auricularis Lea, 1836
‘Speng.’ Lea, 1836, Synopsis Fam. Naiades: 40.
(error for Unio auricularius Spengler, 1793)

Unio auricularis — Lea (1836)

Margarita (Unio) crassissimus Lea, 1836
‘Ferussac’ Lea, 1836, Synopsis Fam. Naiades: 40.
‘Fer. Des Moul. Grat.’ Lea, 1838, Synopsis Fam. Naiades: 26.
(reference to Unio crassissima Férussac, 1827)

Margarita (Unio) crassissimus — Lea (1836)
Margaron (Unio) crassus — Lea (1852), Lea (1870)
Unio (Ponderosi) sinuatus — Dupuy (1852)
Unio (Lymnium) sinuatus — Drouët (1857)
Unio sinuatus — Drouët (1889)
Unio auricularius — Westerlund (1890)
Margaritana margaritifera — Simpson (1900), Preston (1912), Simpson (1914)
Margaritifera auricularia — Ziuganov et al. (1994), IUCN (2010)

Unio margaritacea Lea, 1838
‘Drap.’ of Authors.
Lea, 1838, Synopsis Fam. Naiades: 26.
(error for Unio margaritifera Draparnaud, 1801)

Unio margaritacea — Lea (1838)

Unio sinuosa Swainson, 1840
‘Lamarck’ Swainson, 1840, Treat. Malacol.: 262.
(error for Unio sinuata Lamarck, 1819)

Unio sinuosa — Swainson (1840)

Unio sinuata Sganzin, 1841
‘Lamarck’ Sganzin, 1841, Mém. Soc. Hist. Nat. Strasbourg 3: 8.
(reference to Unio sinuata Lamarck, 1819)

Unio sinuata — Sganzin (1841)
Margaritifera auricularia — Graf & Cummings (2009)

Unio sinuatus compressus Moquin-Tandon, 1855
Moquin-Tandon, 1855, Hist. Natur. Moll. France 2: 567.
(intro'd as intra-sp. of Unio sinuata Lamarck, 1819; homonym of Unio compressus Sowerby, 1829)

Unio sinuatus compressus — Moquin-Tandon (1855)
Unio (Lymnium) sinuatus var. B compressus — Moquin-Tandon (1855)
Unio auricularius — Westerlund (1890)

Unio baryus Locard, 1889
‘Bourg.’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 124 [18], footnote. [nomen nudum]

Unio baryus — Locard (1889)
Unio (Baryana) baryus — Locard (1889)

Unio margaritanopsis Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 123 [17], 182 [76].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 151, fig. 163.

Unio margaritanopsis — Locard (1889), Westerlund (1890)
Unio (groupe de l’U. margaritanopsis) margaritanopsis — Locard (1889)
Unio (Groupe de l’U. margaritanopsis) margaritanopsis — Locard (1893)
Margaritana margaritanopsis — Germain (1931)
Margaritifera auricularia auricularia — Haas (1940)
Margaritifera (Pseudunio) auricularia auricularia — Haas (1969)
Margaritifera auricularia — Ziuganov et al. (1994), Araujo et al. (2009), IUCN (2010)

Margarita (Unio) crassiamus Preston, 1912
‘Lea’ Preston, 1912, Rec. Ind. Mus. 7: 286.
(error for Margarita (Unio) crassissimus Lea, 1836)

Margarita (Unio) crassiamus — Preston (1912)

Taxonomic History (since 1900)

Margaritana crassa — Simpson (1900), Simpson (1914)
Margaritana margaritifera — Simpson (1900), Preston (1912), Simpson (1914)
Unio sinuatus — Kobelt (1903), Rochebrune (1903)
Unio (Baryana) sinuatus — Germain (1904)
Unio (Groupe Baryana) sinuatus — Caziot (1907)
Pseudunio sinuatus — Haas (1910)
Margaritana sinuata — Ortmann (1912), Ortmann (1913)
Margarita (Unio) crassiamus — Preston (1912)
Margaritana auricularia — Haas (1924), Germain (1931)
Margaritana margaritanopsis — Germain (1931)
Margaritana (Potomida) auricularius — Thiele (1934)
Margaritifera auricularia auricularia — Haas (1940)
Margaritifera (Pseudunio) auricularia auricularia — Haas (1969)
Margaritifera (Pseudunio) auricularia — Haas (1969), Van Damme (1984), Bolotov et al. (2016)
Margaritifera auricularia — Mandahl-Barth (1988), Ziuganov et al. (1994), Nagel et al. (1998), Daget (1998), ..., Huang et al. (2018), Huang et al. (2019), Sano et al. (2020), Múrria et al. (2020)
Pseudunio auricularius — Falkner (1994), Lopes-Lima et al. (2018), Guerra et al. (2019), Vikhrev et al. (2019), ..., Príe et al. (2021), Zieritz et al. (2021), Jeratthitikul et al. (2022), Prié et al. (2023)
Pseudunio auricularia — D.G. Smith (2001), Graf & Cummings (2007), Wu et al. (2020)
Pseudunio auricularius auricularius — Falkner et al. (2001), Falkner et al. (2002)
Margaritifera margaritifera — Watters et al. (2009)