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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)

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 (by Falkner, 1994: __), Berlingen near Unterseen, Switzerland.

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), Daget (1998), Nagel et al. (1998), Bába (2000), ... Huang et al. (2018), Prié et al. (2018), Huang et al. (2019), Múrria et al. (2020), Sano et al. (2020)
Pseudunio auricularius — Falkner (1994), Lopes-Lima et al. (2018), Lyubas et al. (2019), Vikhrev et al. (2019), Guerra et al. (2019), ... Zieritz et al. (2021), Jeratthitikul et al. (2022), Prié et al. (2023), Zieritz et al. (2024), Chen et al. (2025)
Pseudunio auricularia — D.G. Smith (2001), Graf & Cummings (2007), Wu et al. (2020)
Pseudunio auricularius auricularius — Falkner et al. (2001), Falkner et al. (2002)

Unio rugosa Poiret, 1801

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

Margaritana crassa — Simpson (1900), Simpson (1914)
Margaritana auricularia — Germain (1931)
Margaritifera auricularia — Ziuganov et al. (1994)

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.

Margaritana crassa — Simpson (1900), Simpson (1914)
Unio sinuatus — Rochebrune (1903), Kobelt (1903)
Unio (Baryana) sinuatus — Germain (1904)
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.

Margaritana auricularia — Germain (1931)

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 margaritanopsis Locard, 1889

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

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)

Unio margaritacea Lea, 1838

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

Unio araris of Authors, unknown year

Barbié of Authors.

Margaritana auricularia — Germain (1931)

Unio garumnae of Authors, unknown year

de Grateloup of Authors.

Margaritana auricularia — Germain (1931)

Dichonca crassissima Klein, 1753

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

Margaritifera margaritifera — Watters et al. (2009)

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)

Margaritana margaritifera — Preston (1912)
Margaritana auricularia — Germain (1931)
Margaritifera auricularia — IUCN (2010)

Unio margaritifera Millet, 1813

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

Unio (Baryana) sinuatus — Germain (1904)

Unio auricularis Lea, 1836

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

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)

Margaritana margaritifera — Simpson (1900), Preston (1912), Simpson (1914)
Margaritifera auricularia — Ziuganov et al. (1994), IUCN (2010)

Unio sinuosa Swainson, 1840

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

Unio sinuata Sganzin, 1841

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

Margaritifera auricularia — Graf & Cummings (2009)

Unio baryus Locard, 1889

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

Margarita (Unio) crassiamus Preston, 1912

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