species Unio mancus Lamarck, 1819: synonymy

Unio manca Lamarck, 1819

Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 80, sp. 43.
Type(s): LECTOTYPE MNHN_MPL_0033, Bourgogne dans le Dree.

Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio (Mancusiana) mancus — Germain (1904)
Unio (Groupe des Mancusiana) mancus — Caziot (1907)
Unio mancus — Kobelt & Haas (1910), Germain (1931), Nagel et al. (1998), Bába (2000), Araujo et al. (2005), ... Dai et al. (2024), Hou et al. (2024), Dai et al. (2025), Hou et al. (2025), Campbell & Lydeard (2026)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio (s.s.) mancus — Falkner (1994)
Unio pictorum mancus — Nagel (2000), Nagel & Badino (2001)
Unio (s.s.) mancus mancus — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus mancus — Prie et al. (2012), Prie (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019), Campbell & Lydeard (2026)

Unio pictorum ‘Linnaeus’ of Authors

‘Linnaeus’ of Authors.
Guérin-Méneville, 1823. Icon. Règne Animal Cuvier 2: pl. 28, fig. 16.
Reeve, 1865. Conch. Icon. 16: pl. 25, sp. 123.
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)

Unio capigliolo Payraudeau, 1826

Payraudeau, 1826. Cat. Méthod. Descr. Annélides Mollusques Corse: 66, pl. 2, fig. 4.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio capigliolo — Germain (1931)
Unio elongatulus turtoni — Haas (1940), Haas (1969)
Unio mancus turtonii — Prie (2012)

Unio turtonii Payraudeau, 1826

Payraudeau, 1826. Cat. Méthod. Descr. Annélides Mollusques Corse: 65, pl. 2, figs. 2-3.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio turtonii turtonii — Haas (1924)
Unio turtoni — Germain (1931), IUCN (1996)
Unio elongatulus turtoni — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus turtonii — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus turtonii — Prie et al. (2012), Prie (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019), Lyubas et al. (2022), Campbell & Lydeard (2026)
Unio mancus — Araujo et al. (2018)

Unio requienii Michaud, 1831

Michaud, 1831. Compl. Hist. Nat. Moll., Draparnaud: 106, pl. 16, fig. 24.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio (Requieniana) requieni — Germain (1904)
Unio (Groupe des Requieniana) requieni — Caziot (1907)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus requienii — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus requienii — Prie et al. (2012), Prie (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019), Lyubas et al. (2022), Campbell & Lydeard (2026)
Unio mancus — Araujo et al. (2018)

Unio emarginatus Lea, 1834

Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 62 [174], pl. 9, fig. 22.
Type(s): HOLOTYPE USNM_86159, [no locality available - Europe].

Unio (sec. Lymnium) emarginatus — Simpson (1900), Simpson (1914)
Unio (Nephronaias) aztecorum — Martens (1900)
Unio emarginatus — de Gregorio (1914)
Unio elongatulus durieui — Haas (1940), Haas (1969)

Unio gargottae Philippi, 1836

Philippi, 1836. Enum. Moll. Siciliae 1: 66.

Margaritana crassa — Simpson (1900), Simpson (1914)
Unio elongatulus gargottae — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus gargottae — Lopes-Lima et al. (2017)
Unio mancus — Araujo et al. (2018)

Unio lobata Philippi, 1836

Cristofori & Jan, 1830. Cat. Rer. Nat. Mus. 2: 7. [nomen nudum]
Philippi, 1836. Enum. Moll. Siciliae 1: 67.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bandini Küster, 1837

Küster, 1837. Icones Moll. Test. 5-6: 22, pl. 24, fig. 341.
(reference to Unio bandinii Rossmässler, 1837)

Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio elongatulus turtoni — Haas (1940)

Unio bandinii Rossmässler, 1837

‘Küster’ Rossmässler, 1837. Icon. Land- und Süssw.-Moll. 1 (5-6): 22, pl. 24, fig. 341.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus turtoni — Haas (1969), Fauna Europaea (2012)
Unio mancus turtonii — Prie (2012)

Unio ardusianus Reyniès, 1843

Reyniès, 1843. Lettre à Moquin-Tandon: 5, pl. 1, fig. 7-8.
Dupuy, 1852. Hist. Natur. Moll. France (6): 653, pl. 28, fig. 17.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio consentaneus var. ardusianus — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio moquinianus Dupuy, 1843

Dupuy, 1843. Essai Moll. Terr. Fluv. du Gers: 80, text figs. 1-2. [in part]
Dupuy, 1852. Hist. Natur. Moll. France (6): 644, pl. 26, fig. 18.
(renamed Unio consentaneus var. moquini Germain, 1931)
Type(s): SYNTYPES UMMZ_113537,  l’Echez a Bigen, Bigorre, France.

Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio consentaneus var. moquini — Germain (1931)
Unio elongatulus moquinianus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus moquinianus — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus — Araujo et al. (2009), Araujo et al. (2018)
Unio mancus moquinianus — Prie (2012), Prié & Puillandre (2014)
Unio mancus mancus — Lopes-Lima et al. (2017)

Unio aradae Philippi, 1844

Philippi, 1844. Enum. Moll. Siciliae 3: 49.

Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio aradae — Kobelt (1912)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio aleronii Companyo & Massot, 1845

Companyo & Massot, 1845. Bull. Soc. Agricult. Sci. Lettr. Pyrén.-Orient. 6: 234, text fig. 2.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio turtoni var. aleroni — Germain (1931)
Unio elongatulus aleroni — Haas (1940), Haas (1969)
Unio (s.s.) mancus aleronii — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus — Araujo et al. (2009), Araujo et al. (2018)
Unio mancus aleronii — Prie (2012)
Unio mancus var. aleronii — Prié & Puillandre (2014)
Unio mancus mancus — Lopes-Lima et al. (2017)

Unio jacqueminii Dupuy, 1849

Dupuy, 1849. Cat. Extramar. Galliae Test.: no. 328.
Dupuy, 1852. Hist. Natur. Moll. France (6): 643, pl. 25, fig. 17.

Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio consentaneus var. jacquemini — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio rousii Dupuy, 1849

Dupuy, 1849. Cat. Extramar. Galliae Test.: no. 340.
Dupuy, 1852. Hist. Natur. Moll. France (6): 653, pl. 28, fig. 18.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio requieni var. rousi — Germain (1931)
Unio elongatulus rousii — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus mancus — Lopes-Lima et al. (2017)
Unio pictorum — Araujo et al. (2018)

Unio valentinus Rossmässler, 1854

Rossmässler, 1854. Icon. Land- und Süssw.-Moll. 3 (1-2): 37, pl. 69, fig. 852.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio turtonii valentinus — Haas (1924)
Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2005), Araujo et al. (2009), Fauna Europaea (2012), Araujo et al. (2018)
Unio mancus mancus — Prie (2012), Lopes-Lima et al. (2017)

Unio moquinianus var. oblongus Moquin-Tandon, 1855

Moquin-Tandon, 1855. Hist. Natur. Moll. France 2: 573.
(intro'd as intra-sp. of Unio moquinianus Dupuy, 1843)

Unio moquinianus var. subtriangularis Moquin-Tandon, 1855

‘Dup.!, fig. 2’ Moquin-Tandon, 1855. Hist. Natur. Moll. France 2: 573.
(intro'd as intra-sp. of Unio moquinianus Dupuy, 1843)

Unio requienii var. minima Drouët, 1857

Drouët, 1857. Étud. Naïades. France, Unio: 97, pl. 7, fig. 2.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requieni — Germain (1931)

Unio pictorum var. compressus de Joannis, 1859

de Joannis, 1859. Ann. Soc. Linn. Maine-et-Loire 3: 295, pl. 12, fig. 7.
(homonym of Unio compressus Sowerby, 1829; intro'd as intra-sp. of Mya pictorum Linnaeus, 1758; renamed Unio joannisi Locard, 1882)

Unio (Joannisiana) joannisi — Germain (1904)
Unio requieni — Germain (1931)

Unio requienii var. abbreviatus de Joannis, 1859

de Joannis, 1859. Ann. Soc. Linn. Maine-et-Loire 3: 290, pl. 11, fig. 7.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. calami de Joannis, 1859

de Joannis, 1859. Ann. Soc. Linn. Maine-et-Loire 3: 291, pl. 11, fig. 3.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. cuneatus de Joannis, 1859

de Joannis, 1859. Ann. Soc. Linn. Maine-et-Loire 3: 291, pl. 10, fig. 7.
(intro'd as intra-sp. of Unio requienii Michaud, 1831; homonym of Unio cuneatus Barnes, 1823)

Unio requienii var. cuneolus de Joannis, 1859

de Joannis, 1859. Ann. Soc. Linn. Maine-et-Loire 3: 292, pl. 11, fig. 5.
(homonym of Unio cuneolus Lea, 1840; intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. rhyncoideus de Joannis, 1859

de Joannis, 1859. Ann. Soc. Linn. Maine-et-Loire 3: 290, pl. 11, fig. 1.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. rostratus de Joannis, 1859

de Joannis, 1859. Ann. Soc. Linn. Maine-et-Loire 3: 291, pl. 10, fig. 6.
(homonym of Unio rostrata Lamarck, 1819)

Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)

Unio amnicus var. sabaudina Bourguignat, 1864

Bourguignat, 1864. Malac. Aix-les-Baines: pl. 3, figs. 9-11.

Unio mancus — Kobelt & Haas (1910)

Unio courquinianus Bourguignat, 1865

Bourguignat, 1865. Moll. Nouv. Litig. Peu Connus: 149, pl. 26.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio graellsianus Bourguignat, 1865

Bourguignat, 1865. Moll. Nouv. Litig. Peu Connus: 147, pl. 23, figs. 4-7.

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009), Fauna Europaea (2012)
Unio mancus mancus — Prie (2012)

Unio requienii crassulus Drouët, 1867

Drouët, 1867. Moll. Terr. Fluv. Code-d’Or: 102.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio lawleyianus Gentiluomo, 1868

Gentiluomo, 1868. Boll. Malac. Ital. 1: 54, pl. 4, figs. 1-3.

Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969), Fauna Europaea (2012)
Unio mancus — Araujo et al. (2005), IUCN (2014), Araujo et al. (2018)
Unio cf. elongatulus — Lopes-Lima et al. (2017)

Unio larderelianus Pecchioli, 1869

Pecchioli, 1869. Boll. Malac. Ital. 2: 163, pl. 5.

Unio (sec. Lymnium) platyrinchoideus — Simpson (1900), Simpson (1914)
Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio moreleti Folin & Bérillon, 1874

Folin & Bérillon, 1874. Bull. Soc. Bayonne: 95.
(renamed Unio moreletianus Folin & Bérillon, 1877; homonym of Unio moreleti Deshayes, 1847)

Unio villae var. brindosianus — Germain (1931)
Unio pictorum platyrhynchoideus [sic] — Haas (1940), Haas (1969)
Unio mancus brindosianus — Prie (2012)

Unio moreleti var. brindosiana Folin & Bérillon, 1874

Folin & Bérillon, 1874. Bull. Soc. Bayonne: 95.
(intro'd as intra-sp. of Unio moreleti Folin & Bérillon, 1874)

Unio villae var. brindosianus — Germain (1931)
Unio pictorum platyrhynchoideus [sic] — Haas (1940), Haas (1969)
Unio (s.s.) mancus brindosianus — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus brindosianus — Prie (2012)
Unio pictorum — Prié & Puillandre (2014)
Unio mancus mancus — Lopes-Lima et al. (2017)

Unio requieni var. romana Kobelt, 1876

Kobelt, 1876. Icon. Land- und Süssw.-Moll. 4: 61, pl. 116, fig. 1145 [as ‘Unio romanus’ on plate].
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio elongatulus lawleyanus [sic] — Haas (1940)

Unio bayonnensis Folin & Bérillon, 1877

Folin & Bérillon, 1877. Bull. Trimest. Sci. Soc. Borda: 29, pl. 1, figs. 1, 3.

Unio villae var. brindosianus — Germain (1931)
Unio pictorum platyrhynchoideus [sic] — Haas (1940), Haas (1969)
Unio mancus brindosianus — Prie (2012)

Unio moreletianus Folin & Bérillon, 1877

Folin & Bérillon, 1877. Bull. Trimest. Sci. Soc. Borda: 29.
(new name for Unio moreleti Folin & Bérillon, 1874)

Unio pictorum platyrhynchoideus [sic] — Haas (1940), Haas (1969)

Unio requienii var. permaxima Dupuy, 1877

Dupuy, 1877. J. de Conch. 25: 18, 22.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio tumidus var. maximus — Germain (1931)

Unio cumensis Kobelt, 1879

Kobelt, 1879. Icon. Land- und Süssw.-Moll. 7: 33, pl. 192, fig. 1952-1953.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio lusitanus Drouët, 1879

Drouët, 1879. J. de Conch. 27: 327.

Unio villae var. brindosianus — Germain (1931)
Unio pictorum delphinus — Haas (1940), Haas (1969)
Unio delphinus — Araujo et al. (2009)
Unio mancus brindosianus — Prie (2012)

Unio berenguieri Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 292, 361.
Bourguignat in Bérenguier, 1882. Faune malac. Var: 100.
Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 153 [47].
Bourguignat in Locard, 1893. Coqu. Eau Douce Saumâtre France: 182.
Type(s): SYNTYPES MNHN_22129, Canal des Moulins à Roquebrune (Var).

Unio (Berenguieriane) [sic] berenguieri — Caziot (1910)
Unio turtoni — Germain (1931)
Unio mancus turtonii — Prie (2012)

Unio bourgeticus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 291, 359.
Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 130 [24].
Bourguignat in Locard, 1893. Coqu. Eau Douce Saumâtre France: 156.
Type(s): POSSIBLE SYNTYPES MNHN_22139, lac du Bourget (Savoie).

Unio mancus bourgeticus — Kobelt & Haas (1910), Prie (2012), Prié & Puillandre (2014)
Unio mancus — Germain (1931)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus bourgeticus — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus mancus — Lopes-Lima et al. (2017)
Unio pictorum — Araujo et al. (2018)

Unio condatinus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 287, 356.
‘Letourneux’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 158 [52].
‘Letourneux’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 189.
Type(s): IDIOTYPE MNHN_22180, La Marne, à Cholet (Maine-et-Loire).

Unio (Saint-simoniana) condatinus — Germain (1904)
Unio requieni — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio dolfusianus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 299, 366.
Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 167 [61; as ‘dollfusianus’].
Bourguignat in Locard, 1893. Coqu. Eau Douce Saumâtre France: 200, fig. 214.
Type(s): IDIOTYPE MNHN_22197, l’Oise à Creil.

Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio fabaeformis Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 294, 362 [as ‘fabæformis’].
Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 156 [50], 230 [124] [as ‘fabæformis’].
Bourguignat in Locard, 1893. Coqu. Eau Douce Saumâtre France: 188 [as ‘fabiformis’].
Type(s): POSSIBLE SYNTYPE MNHN_22208, La Rhône à Arles.

Unio consentaneus var. jacquemini — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio fascellinus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 295, 364.
‘Servain’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 162 [56].
‘Servain’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 196.
Type(s): SYNTYPE MNHN_22213, l’Étang de Veaux (Nièvre).

Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio foroguliensis ‘Bérenguier’ of Authors

‘Bérenguier’ of Authors.
Locard, 1882. Prodr. Malac. Franç. 1: 293.
Haas, 1969. Das Tierreich 88: 37.
Prie, 2012. MalaCo 8: 431.
(incorrect original spelling of Unio forojuliensis Bourguignat in Locard, 1882)
Type(s): AUTOMATIC MNHN_22223, Fréjus (Var).

Unio forojuliensis Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 293, 361 [as ‘foroguliensis’].
Bérenguier, 1882. Faune malac. Var: 95.
‘Bérenguier’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 150 [44].
‘Bérenguier’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 181.
(correct name for Unio foroguliensis ‘Bérenguier’ of Authors)
Type(s): LECTOTYPE MNHN_22223 (by Graf, 2011: 475), Fréjus (Var).

Unio (Turtoniana) forojuliensis — Caziot (1910)
Unio turtoni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus turtonii — Prie (2012)

Unio gallicus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 296, 365.
Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 154 [48].
Bourguignat in Locard, 1893. Coqu. Eau Douce Saumâtre France: 189, fig. 203.
Type(s): POSSIBLE SYNTYPES MNHN_22231, Le lac du Bourget (Savoie).

Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio gobionum Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 296, 364.
‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 158 [52].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 193.
Type(s): IDIOTYPE MNHN_22253, canal du Midi, à Carcassonne.

Unio requieni — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)
Unio mancus requienii — Prie (2012)

Unio holandrei Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 299, 366.
‘de Saulcy’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 167 [61] [as ‘hollandrei’].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 201 [as ‘hollandrei’].
Type(s): IDIOTYPE MNHN_22262, Lagny (Seine-et-Marne).

Unio (Hollandriana) [sic] hollandrei [sic] — Germain (1904)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio joannisi Locard, 1882

‘Bourguignat’ Locard, 1882. Prodr. Malac. Franç. 1: 296.
‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 163 [57].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 196.
(new name for Unio pictorum var. compressus de Joannis, 1859)
Type(s): IDIOTYPE MNHN_22287, la Seine, au Pecq (Seine-et-Oise).

Unio joannisi — Rochebrune (1903)
Unio (Joannisiana) joannisi — Germain (1904)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio jourdheuili Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 296, 364.
‘Ray’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 163 [57].
‘Ray’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 198, fig. 212.
Type(s): IDIOTYPE MNHN_22288, canal de Givors, à Givors (Rhône).

Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio malafossianus Locard, 1882

‘P. Fagot’ Locard, 1882. Prodr. Malac. Franç. 1: 297.
‘Fagot’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 175 [69].
‘P. Fagot’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 211.

Unio tumidus var. maximus — Germain (1931)
Unio elongatulus rousii — Haas (1940), Haas (1969)

Unio meretricis Locard, 1882

Stabile, 1845. Faun. Lug.: 62, fig. 76.
‘Bourguignat’ Locard, 1882. Prodr. Malac. Franç. 1: 295, 363.
Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 53 [as ‘meretrix’].
‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 156 [50].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 91, fig. 205.
Type(s): IDIOTYPE MNHN_22364, La Drée, à Épinac (Saône-et-Loire).

Unio meretricis — Rochebrune (1903)
Unio (Meretricisiana) meretrecis [sic] — Germain (1904)
Unio requieni — Germain (1931)
Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)
Unio mancus requienii — Prie (2012)

Unio moltenii Adami, 1882

Adami, 1882. Boll. Soc. Malac. Ital. 8: 131, pl. 0, figs. 3, 5, 7.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio mucidulus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 298, 366.
‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 168 [62].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 206, fig. 219.
Type(s): IDIOTYPE MNHN_22384, La Saône, à St-Germain-au-Mont-d'Or.

Unio mucidulus — Germain (1904)
Unio requieni var. pornae — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio orthellus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 288, 357.
Bérenguier, 1882. Faune malac. Var: 97.
‘Bérenguier’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 140 [34].
Bérenguier in Locard, 1893. Coqu. Eau Douce Saumâtre France: 166.
Type(s): LECTOTYPE MNHN_22433 (by Graf, 2011: 495), La Grande-Garonne, à Fréjus (Var).

Unio mancus var. elongatulus — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio orthus Coutagne in Locard, 1882

Coutagne in Locard, 1882. Prodr. Malac. Franç. 1: 288, 357.
‘Coutagne’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 139 [33].
‘Coutagne’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 166.
Type(s): POSSIBLE SYNTYPE MNHN_22435, l’Albane (Côte-d’Or).

Unio mancus var. elongatulus — Germain (1931)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969)
Unio mancus bourgeticus — Prie (2012)

Unio pinciacus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 294, 362.
‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 167 [61].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 201.
Type(s): IDIOTYPE MNHN_22461, La Marne à Châlons (Marne).

Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio pornae Locard, 1882

‘Bourguignat’ Locard, 1882. Prodr. Malac. Franç. 1: 295, 363 [as ‘pornæ’].
Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 52 [as ‘pornæ’].
Type(s): LECTOTYPE MNHN_22465 (by Graf, 2011: 498), La Saône, à Mâcon (Saône-et-Loire).

Unio pornæ — Rochebrune (1903)
Unio (Porniana) pornae — Germain (1904)
Unio requieni var. pornae — Germain (1931)
Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio riciacensis Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 288, 357.
‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 139 [33].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 166.
Type(s): IDIOTYPE MNHN_22493, Mont-sous-Vaudrey (Jura).

Unio riciacensis — Rochebrune (1903)
Unio mancus var. elongatulus — Germain (1931)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969)
Unio mancus bourgeticus — Prie (2012)

Unio saintsimonianus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 287, 357 [as ‘saint-simonianus’].
‘P. Fagot’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 158 [52] [as ‘Saint-Simonianus’].
‘P. Fagot’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 192 [as ‘saint-simonianus’].
(renamed Unio saintsimoni Germain, 1904)
Type(s): POSSIBLE SYNTYPES MNHN_22511, Le canal du Midi, à Villefranche-Lauraguais.

Unio (Saint-simoniana) saint-simoni — Germain (1904)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio torsatellus Bourguignat in Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 294, 363.
‘Berthier’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 167 [61].
‘Berthier’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 201.

Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio moltenii var. umbrica Adami, 1882

Adami, 1882. Boll. Soc. Malac. Ital. 8: 132, pl. 0, figs. 4, 6, 8.
(intro'd as intra-sp. of Unio moltenii Adami, 1882)

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio aradasi Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 42.

Unio elongatulus gargottae — Haas (1969)

Unio benoiti Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 26.

Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bivonianus Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 43.

Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio blanci Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 44.

Unio elongatulus lawleyianus — Haas (1969)

Unio caficianus Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 55.

Unio requieni — Germain (1931)
Unio elongatulus gargottae — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio campanus Drouët, 1883

Drouët, 1883. Unionidae de l’Italie: 49.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio campanus H. Blanc in Bourguignat, 1883

H. Blanc in Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 46.
(homonym of Unio campanus Drouët, 1883)

Unio campsus Uzielli in Bourguignat, 1883

Uzielli in Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 17.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio danconae Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 54 [as ‘d’anconæ’].

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio etruscus Drouët, 1883

Drouët, 1883. Unionidae de l’Italie: 48.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio gentiluomoi Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 35.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio isseli Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 47.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio latinus Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 12.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio meridionalis Drouët, 1883

Drouët, 1883. Unionidae de l’Italie: 51.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio monterosati Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 40.

Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio pecchiolii Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 37.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio pisanus Uzielli in Bourguignat, 1883

Uzielli in Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 29.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio polii Drouët, 1883

Drouët, 1883. Unionidae de l’Italie: 27.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio uziellii Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 27.

Unio elongatulus lawleyanus [sic] — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio lawleyanus ‘Gentiluomo’ of Authors

‘Gentiluomo’ of Authors.
Kobelt, 1884. Icon. Land- und Süssw.-Moll. 1: 65.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 683.
Simpson, 1914. Descr. Cat. Naiades: 533.
Haas, 1940. Zool. Ser. Field Mus. Nat. Hist. 24: 127.
(error for Unio lawleyianus Gentiluomo, 1868)

Unio asticus Servain, 1887

Servain, 1887. Bull. Soc. Malac. France 4: 259.
Servain, 1888. Bull. Soc. Malac. France 5: 320.

Unio requieni — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio eutrapelus Servain, 1887

Servain, 1887. Bull. Soc. Malac. France 4: 260.
Servain, 1888. Bull. Soc. Malac. France 5: 320.

Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio mongazonae Servain, 1887

Servain, 1887. Bull. Soc. Malac. France 4: 253 [as ‘mongazonæ’].

Unio mongazonæ — Rochebrune (1903)
Unio villae var. brindosianus — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio hammoniensis Servain, 1888

Servain, 1888. Bull. Soc. Malac. France 5: 319.

Unio lacustris Drouët, 1888

Drouët, 1888. J. de Conch. 36: 106.
Drouët, 1889. Mém. Acad. Sci. Dijon 1: 67, pl. 2, fig. 2.
(renamed Unio limnaeus Westerlund, 1890; homonym of Unio tumidus var. lacustris Rossmässler, 1854)

Unio plebeius Drouët, 1888

Drouët, 1888. J. de Conch. 36: 105.
Type(s): SYNTYPE MNHN_MP_0082, [no locality available - Europe].

Unio (Falsusiana) falsus — Germain (1904)
Unio requieni var. pornae — Germain (1931)

Unio suborbicularis Drouët, 1888

Drouët, 1888. J. de Conch. 36: 107.
Drouët, 1889. Mém. Acad. Sci. Dijon 1: 77, pl. 1, fig. 5.
Type(s): SYNTYPE MNHN_MP_0113, Troyes [in shell].

Unio mancus — Germain (1931)
Unio mancus mancus — Prie (2012)

Unio aegericus Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 169 [63], 250 [144] [as ‘ægericus’].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 203 [as ‘ægericus’].
Type(s): HOLOTYPE (MONOTYPY) MNHN_22086, La Baise, à Valence (Gers).

Unio tumidus var. maximus — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio albanorum Locard, 1889

‘F. Pacôme’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 151 [45], 222 [116].
‘F. Pacôme’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 184.
Type(s): LECTOTYPE MNHN_22088 (by Graf, 2011: 456), La Grande-Garonne, à Fréjus (Var).

Unio (Berenguieriane) [sic] albanorum — Caziot (1910)
Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio amblyus Locard, 1889

‘Castro’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 152 [46], 225 [119].
‘Castro’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 184, fig. 198.
‘Castro’ Locard, 1899. Conchyliol. Portug.: 224.
Type(s): LECTOTYPE MNHN_22097 (by Graf, 2011: 458), La Loire, à Balbigny (Loire).

Unio (Moreletiana) amblyus — Germain (1904)
Unio villae — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio antimoquinianus Locard, 1889

Dupuy, 1843. Essai Moll. Terr. Fluv. du Gers: fig. 3 [as ‘moquinianus’]. [in part]
Locard, 1889. Contr. Faune Malacol. Franc. 13: 153 [47], 227 [121].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 179.
Type(s): SYNTYPE MNHN_22106, l'Echez, à Vic-de-Bigorre.

Unio consentaneus var. moquini — Germain (1931)
Unio elongatulus moquinianus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus — Araujo et al. (2009)
Unio mancus moquinianus — Prie (2012)

Unio aramonensis Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 156 [50], 231 [125].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 191.
Type(s): LECTOTYPE MNHN_22107 (by Graf, 2011: 459), le Rhône, Aramon (Gard).

Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio ararisianus Bourguignat in Locard, 1889

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 155 [49], 229 [123].
‘Coutagne’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 190.
Type(s): SYNTYPE MNHN_22109, La Saône à Lyon.

Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)

Unio arcuatulus Bourguignat in Locard, 1889

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 165 [59], 244 [138].
Bourguignat in Locard, 1893. Coqu. Eau Douce Saumâtre France: 197.

Unio (Cyrtusiana) arcuatulus — Germain (1904)
Unio requieni var. pornae — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio atharsus Locard, 1889

‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 169 [63], 251 [145].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 204.
Type(s): LECTOTYPE MNHN_22117 (by Graf, 2011: 461), Varennes (Jura).

Unio requieni var. pornae — Germain (1931)
Unio pictorum ravoisieri — Haas (1940)
Unio elongatulus requienii — Haas (1969)
Unio mancus requienii — Prie (2012)

Unio campylus Bourguignat in Locard, 1889

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 165 [59], 243 [137].
Bourguignat in Locard, 1893. Coqu. Eau Douce Saumâtre France: 197.
Type(s): LECTOTYPE MNHN_22157 (by Graf, 2011: 466), [illegible] Mortagne (Vendrée).

Unio (Cyrtusiana) campylus — Germain (1904)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio dollfusianus ‘Bourguignat’ of Authors

‘Bourguignat’ of Authors.
Locard, 1889. Contr. Faune Malacol. Franc. 13: 167 [61].
Germain, 1931. Faune de France 22: 736.
Prie, 2012. MalaCo 8: 431.
(error for Unio dolfusianus Bourguignat in Locard, 1882)

Unio exauratus Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 145 [39], 210 [104].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 175.
Type(s): LECTOTYPE MNHN_22206 (by Graf, 2011: 473), La Siagne, à Cannes (Alpes-Maritimes).

Unio (Lemotheuxiana) exauratus — Caziot (1910)
Unio capigliolo — Germain (1931)
Unio elongatulus turtoni — Haas (1940), Haas (1969)
Unio mancus turtonii — Prie (2012)

Unio frayssianus Bourguignat in Locard, 1889

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 155 [49], 227 [121].
‘Coutagne’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 189.
Type(s): SYNTYPES MNHN_22226, Étang de Meyranne (Bouches-du-Rhône).

Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio hollandrei ‘de Saulcy’ of Authors

‘de Saulcy’ of Authors.
Locard, 1889. Contr. Faune Malacol. Franc. 13: 167 [61].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 201.
Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 278.
Germain, 1931. Faune de France 22: 736.
Prie, 2012. MalaCo 8: 431.
(error for Unio holandrei Bourguignat in Locard, 1882)

Unio hydrelus Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 157 [51], 235 [129].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 192, fig. 206.
Type(s): LECTOTYPE MNHN_22264 (by Graf, 2011: 479), Brainans (Jura).

Unio requieni — Germain (1931)
Unio pictorum rostratus — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio meyrannicus Bourguignat in Locard, 1889

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 155 [49], 228 [122].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 190.
Type(s): POSSIBLE SYNTYPES MNHN_22367, Étang de Meyranne (Bouches-du-Rhône).

Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio mucidulinus Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 168 [62], 249 [143].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 206.
Type(s): LECTOTYPE MNHN_22382 (by Graf, 2011: 492), Varennes (Jura).

Unio requieni var. pornae — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio oberthurianus Bourguignat in Locard, 1889

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 168 [62], 248 [142].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 206.
Type(s): IDIOTYPE MNHN_22421, La Grosne, à la Ferté (Saône-et-Loire).

Unio requieni var. pornae — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio oesiacus Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 164 [58], 241 [135] [as ‘œsiacus’].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 198 [as ‘œsiacus’].
Type(s): LECTOTYPE MNHN_22425 (by Graf, 2011: 494), L’Oise, à Pontoise.

Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio royanus ‘Locard’ of Authors

‘Locard’ of Authors.
Locard, 1889. Contr. Faune Malacol. Franc. 13: 171 [65].
Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 110.
Germain, 1931. Faune de France 22: 737.
Prie, 2012. MalaCo 8: 432.
(error for Unio royianus Locard, 1889)

Unio royianus Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 171 [65], 255 [149].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 202, fig. 215 [as ‘royianus’].
Type(s): LECTOTYPE MNHN_22509 (by Graf, 2011: 502), fossés du fort de la Vitriolerie, à Lyon.

Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio salmurensis Bourguignat in Locard, 1889

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 157 [51], 234 [128].
‘Servain’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 192.
Type(s): SYNTYPE MNHN_22512, La Loire, à Orléans (Loiret).

Unio (Requieniana) salmurensis — Germain (1904)
Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)

Unio talus Bourguignat in Locard, 1889

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 161 [55], 240 [134].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 193.
Type(s): IDIOTYPE MNHN_22571, canal de Fresquel (Aude).

Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio triffoiricus Bourguignat in Locard, 1889

‘Bourguignat’ Schröder, 1885. Bull. Soc. Malac. France 2: 229. [nomen nudum]
Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 171 [65], 252 [146].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 199.
Type(s): LECTOTYPE MNHN_22576 (by Graf, 2011: 509), le Rhône, à Beaucaire (Gard).

Unio (Hispaniana) triffoiricus — Germain (1904)
Unio triffoiricus — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio vardonicus Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 157 [51], 232 [126].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 192.
Type(s): LECTOTYPE MNHN_22596 (by Graf, 2011: 510), Aramon (Gard).

Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio mucidulinus var. curta Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 250 [144].
(homonym of Unio curtus Lea, 1859; intro'd as intra-sp. of Unio mucidulinus Locard, 1889)

Unio baicheri Baichère, 1890

‘Locard’ Baichère, 1890. Bull. Soc. Malac. France 7: 119.
Locard, 1893. Coqu. Eau Douce Saumâtre France: 186.

Unio villae — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio bramicus Baichère, 1890

Baichère, 1890. Bull. Soc. Malac. France 7: 125.

Unio requieni — Germain (1931)
Unio pictorum rostratus — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio jourdeuilhi ‘Ray in Locard’ of Authors

‘Ray in Locard’ of Authors.
Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 138.
Baichère, 1890. Bull. Soc. Malac. France 7: 124.
(error for Unio jourdheuili Bourguignat in Locard, 1882)

Unio limnaeus Westerlund, 1890

Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 136 [as ‘limnæus’].
(new name for Unio lacustris Drouët, 1888)

Unio almenarensis Drouët, 1893

Drouët, 1893. J. de Conch. 41: 171.
Drouët, 1893. Mém. Acad. Sci. Dijon 4: 62, pl. 1, fig. 2.

Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009), Fauna Europaea (2012)
Unio mancus mancus — Prie (2012)

Unio arelatus Locard, 1893

‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 188.

Unio consentaneus var. jacquemini — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio linguiformis Locard, 1893

‘Wilcock’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 182.

Unio turtoni — Germain (1931)
Unio mancus turtonii — Prie (2012)

Unio prolatus Locard, 1893

‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 182.

Unio turtoni — Germain (1931)
Unio mancus turtonii — Prie (2012)

Unio biformis Monterosato, 1896

Monterosato, 1896. Naturalista Siciliano 15: 13, text fig.

Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bipartitus Monterosato, 1896

Monterosato, 1896. Naturalista Siciliano 15: 18, text fig.

Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bitortus Monterosato, 1896

Monterosato, 1896. Naturalista Siciliano 15: 12, text fig.

Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bivonianus var. cuspidata Monterosato, 1896

Monterosato, 1896. Naturalista Siciliano 15: 16, text fig.
(homonym of Unio cuspidatus Lea, 1872; intro'd as intra-sp. of Unio bivonianus Bourguignat, 1883)

Unio aradae var. cuspidata — Kobelt (1912)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio valens Drouët, 1897

Drouët, 1897. J. de Conch.: 122.
Drouët, 1898. Mém. Acad. Sci. Dijon ??: 50, pl. 1, fig. 5.

Unio triffoiricus — Germain (1931)

Unio gibberulus Drouët, 1898

Drouët, 1898. Mém. Acad. Sci. Dijon ??: 55.

Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio rostratus var. amplus Drouët, 1898

Drouët, 1898. Mém. Acad. Sci. Dijon ??: 89.
(intro'd as intra-sp. of Unio rostrata Lamarck, 1819; homonym of Unio amplus Lea, 1872)

Unio tumidus var. maximus — Germain (1931)

Unio meretrecis ‘Bourguignat’ of Authors

‘Bourguignat’ of Authors.
Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 267, footnote.
Germain, 1931. Faune de France 22: 737.
Prie, 2012. MalaCo 8: 432.
(error for Unio meretricis Locard, 1882)

Unio saintsimoni Germain, 1904

‘Fagot’ Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 270 [32] [as ‘saint-simoni’].
(new name for Unio saintsimonianus Bourguignat in Locard, 1882)

Unio (Saint-simoniana) saint-simoni — Germain (1904)

Unio subniger Germain, 1904

Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 269 [31], footnote.
(homonym of Unio subniger Lea, 1857)

Unio amblyus var. nigerrimus Germain, 1904

Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 266 [28].
(intro'd as intra-sp. of Unio amblyus Locard, 1889; homonym of Unio nigerrimus Lea, 1852)

Unio (Moreletiana) amblyus nigerrimus — Germain (1904)

Unio gestroianus var. rubiginosus Germain, 1904

Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 271 [33].
(intro'd as intra-sp. of Unio gestroianus Bourguignat in Locard, 1882; homonym of Unio rubiginosus Lea, 1829)

Unio (Porniana) gestroianus rubiginosus — Germain (1904)

Unio pornae var. viridis Germain, 1904

Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 272 [34].
(intro'd as intra-sp. of Unio pornae Locard, 1882; homonym of Unio (Elliptio) viridis Rafinesque, 1820)

Unio (Porniana) pornae viridis — Germain (1904)

Unio triffoiricus var. mayennensis Germain, 1904

Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 279 [41], pl. 2, fig. 38.
(intro'd as intra-sp. of Unio triffoiricus Bourguignat in Locard, 1889)

Unio (Hispaniana) triffoiricus mayennensis — Germain (1904)

Unio voltzii var. ursannensis Kobelt & Haas, 1910

Kobelt & Haas, 1910. Icon. Land- und Süssw.-Moll. 17: 35, pl. 467, fig. 2518.
(intro'd as intra-sp. of Unio (? requienii var.) voltzii Kobelt & Haas, 1910)

Unio voltzii var. ursannensis — Kobelt & Haas (1910)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969)
Unio mancus bourgeticus — Prie (2012)

Unio subindentatus Adami in Kobelt, 1912

Adami in Kobelt, 1912. Icon. Land- und Süssw.-Moll. 19: 40, pl. 501, fig. 2648.

Unio elongatulus gargottae — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio fascinellus ‘Servain’ of Authors

‘Servain’ of Authors.
Germain, 1931. Faune de France 22: 736.
Prie, 2012. MalaCo 8: 431.
(error for Unio fascellinus Bourguignat in Locard, 1882)

Unio lusitanicus ‘Drouët’ of Authors

‘Drouët’ of Authors.
Germain, 1931. Faune de France 22: 736.
Prie, 2012. MalaCo 8: 434.
(error for Unio lusitanus Drouët, 1879)

Unio consentaneus var. moquini Germain, 1931

Germain, 1931. Faune de France 22: 734, text fig. 829.
(new name for Unio moquinianus Dupuy, 1843)

Unio consentaneus var. moquini — Germain (1931)
Unio elongatulus moquinianus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus moquinianus — Prie (2012)

Unio baudinii ‘Rossmässler’ of Authors

‘Rossmässler’ of Authors.
Haas, 1969. Das Tierreich 88: 35.
Fauna Europaea, 2012. Fauna Europa: [web].
Prie, 2012. MalaCo 8: 430.
(error for Unio bandinii Rossmässler, 1837)

Unio planci Drouet, 1883 of Authors

Drouet, 1883 of Authors.

Unio elongatulus lawleyanus [sic] — Haas (1940)

Unio blanci forma armusianus Uzielli of Authors

Uzielli of Authors.

Unio pictorum Draparnaud, 1806

Draparnaud, 1806. Hist. Moll. France: 131, pl. 11, figs. 4 [var. c]. [in part]
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio (Requieniana) salmurensis — Germain (1904)
Unio requieni — Germain (1931)

Unio pictorum Draparnaud, 1806

‘Linn.’ Draparnaud, 1806. Hist. Moll. France: 131, pl. 11, figs. 1-2. [in part]
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio requieni — Germain (1931)

Unio arcuata Jacquemin, 1835

Jacquemin, 1835. Guide Ror. Arles: 123.
(misidentified reference to Unio arcuata Bouchard-Chantereaux, 1838)

Unio consentaneus var. jacquemini — Germain (1931)

Unio requeni Jay, 1835

Jay, 1835. Cat. Rec. Shells: 16 [as ‘réquéni’].
(error for Unio requienii Michaud, 1831)

Unio turtoni Philippi, 1836

Philippi, 1836. Enum. Moll. Siciliae 1: 67.
Philippi, 1844. Enum. Moll. Siciliae 2: 49.
(reference to Unio turtonii Payraudeau, 1826)

Unio requieni — Germain (1931)

Unio subdentatus Rossmässler, 1837

‘Ziegl.’ Rossmässler, 1837. Icon. Land- und Süssw.-Moll. 1 (5-6): 22.
(intro'd as syn of Unio bandinii Rossmässler, 1837)

Unio moquinianus Dupuy, 1843

Dupuy, 1843. Essai Moll. Terr. Fluv. du Gers: fig. 3. [in part]
(reference to Unio moquinianus Dupuy, 1843)

Unio turtoni Rossmässler, 1844

Rossmässler, 1844. Icon. Land- und Süssw.-Moll. 2 (6): 25, pl. 35, fig. 492.
(reference to Unio turtonii Payraudeau, 1826)

Unio longirostris Stabile, 1845

Stabile, 1845. Faun. Lug.: 60, fig. 72.
(misidentified reference to Unio longirostris Rossmässler, 1836)

Unio requieni Stabile, 1845

Stabile, 1845. Faun. Lug.: 62, fig. 76.
(reference to Unio requienii Michaud, 1831)

Unio requieni — Germain (1931)

Unio tumidus Stabile, 1845

Stabile, 1845. Faun. Lug.: 61, fig. 74.
(misidentified reference to Unio tumidus Philipsson in Retzius, 1788)

Unio turtoni Dupuy, 1850

Dupuy, 1850. Hist. Natur. Moll. France (4): pl. 27, fig. 17.
(reference to Unio turtonii Payraudeau, 1826)

Unio turtoni — Germain (1931)

Unio lobatata Lea, 1852

‘De Cr. and J.’ Lea, 1852. Synopsis Fam. Naiades: 37.
‘De Cr. and J.’ Lea, 1870. Synopsis Fam. Naiades: 59.
(error for Unio lobata Philippi, 1836)

Unio turtoni Drouët, 1852

Drouët, 1852. Etudes Nayades de la France: pl. 6, fig. 1.
(reference to Unio turtonii Payraudeau, 1826)

Unio consentaneus var. ardusianus — Germain (1931)

Unio ronsii Dupuy, 1852

Dupuy, 1852. Hist. Natur. Moll. France (6): 653.
‘Dup.’ Lea, 1870. Synopsis Fam. Naiades: 59.
(error for Unio rousii Dupuy, 1849)

Unio requieni var. rousi — Germain (1931)

Unio siculus Hanley, 1856

‘Swainson’ Hanley, 1856. Illustr. Descr. Cat. Rec. Bivalve Shells: 383, pl. 20, fig. 19.
(misidentified reference to Potomida sicula Swainson, 1840)

Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio elongatulus gargottae — Haas (1969)

Unio requieni var. minima l’Hôpital, 1859

‘Drouët’ l’Hôpital, 1859. Cat. moll. Caen: 61.
(reference to Unio requienii var. minima Drouët, 1857)

Unio villae — Germain (1931)

Unio siculus Sowerby, 1868

‘Swainson’ Sowerby, 1868. Conch. Icon. 16: pl. 71, sp. 364.
(misidentified reference to Potomida sicula Swainson, 1840)

Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)

Unio pictorum Benoit, 1875

‘Lamarck’ Benoit, 1875. Boll. Soc. Malac. Ital. 1: 163.
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio aradasii Kobelt, 1876

Kobelt, 1876. Icon. Land- und Süssw.-Moll. 4: pl. 117, fig. 1147. [in part]
(error for Unio aradae Philippi, 1844; reference to Unio aradae Philippi, 1844)

Unio elongatulus gargottae — Haas (1940)

Unio aradasii Kobelt, 1876

Kobelt, 1876. Icon. Land- und Süssw.-Moll. 4: pl. 117, fig. 1146. [in part]
(error for Unio aradae Philippi, 1844; reference to Unio aradae Philippi, 1844)

Unio blauneri Kobelt, 1876

‘Shuttleworth’ Kobelt, 1876. Icon. Land- und Süssw.-Moll. 4: 63, pl. 118, 1149.
(misidentified reference to Unio requienii var. blauneri Stabile, 1859)

Unio requieni Kobelt, 1876

Kobelt, 1876. Icon. Land- und Süssw.-Moll. 4: 63, pl. 117, fig. 1148.
(reference to Unio requienii Michaud, 1831)

Unio bayonensis Drouët, 1879

‘Folin & Bérillon’ Drouët, 1879. J. de Conch. 27: 332.
‘De Folin & Bérillon’ Fagot, 1892. Bull. Soc. Ramond 27: 38.
(error for Unio bayonnensis Folin & Bérillon, 1877)

Unio cumanus Kobelt, 1881

Kobelt, 1881. Cat. Binnenconch.: 160.
Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 31.
Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 159.
(error for Unio cumensis Kobelt, 1879)

Unio laderelianus Bourguignat, 1883

‘Pecchioli’ Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 36.
(error for Unio larderelianus Pecchioli, 1869)

Unio meretrix Bourguignat, 1883

Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 53.
(error for Unio meretricis Locard, 1882)

Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)

Unio germanjanicus Locard, 1889

‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 139 [33], footnote. [nomen nudum]

Unio hammonis Locard, 1889

‘Servain’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 168 [62].
(error for Unio hammoniensis Servain, 1888)

Unio nuperus Locard, 1889

‘Parreys’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 139 [33], footnote. [nomen nudum]

Unio elongatulus sandrii — Haas (1940)

Unio mancus var. minor Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 130 [24], footnote. [nomen nudum]

Unio requieni var. elongata Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 157 [51], footnote. [nomen nudum]
(intro'd as intra-sp. of Unio requienii Michaud, 1831; homonym of Unio elongata Lamarck, 1819)

Unio monterosatoi Locard, 1889

‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 156 [50].
‘Bgt.’ Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 157.
(error for Unio monterosati Bourguignat, 1883)

Unio anconae Paetel, 1890

‘Bourguignat’ Paetel, 1890. Cat. Conch.-Samml. 3: 144.
(error for Unio danconae Bourguignat, 1883)

Unio aradasis Westerlund, 1890

‘Kob.’ Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 157.
(error for Unio aradasii Kobelt, 1876)

Unio ricianensis Westerlund, 1890

‘Bgt.’ Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 165.
(error for Unio riciacensis Bourguignat in Locard, 1882)

Unio alleroni Locard, 1893

‘Companyo et Massot’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 182.
(error for Unio aleronii Companyo & Massot, 1845)

Unio fabiformis Locard, 1893

‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 188.
(error for Unio fabaeformis Bourguignat in Locard, 1882)

Unio bandanii Simpson, 1900

‘Küster’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 686.
(error for Unio bandinii Rossmässler, 1837)

Unio pleibeius Germain, 1904

‘Drouet’ Germain, 1904. Bull. Soc. Sci. Nat. Ouest France 4: 273 [35].
(error for Unio plebeius Drouët, 1888)

Unio voltzii var. ursanensis Kobelt & Haas, 1910

Kobelt & Haas, 1910. Icon. Land- und Süssw.-Moll. 17: 35.
(error for Unio voltzii var. ursannensis Kobelt & Haas, 1910)

Unio orbus Germain, 1931

‘Locard’ Germain, 1931. Faune de France 22: 727.
(error for Unio orthus Coutagne in Locard, 1882)

Unio hydrellus Haas, 1940

‘Locard’ Haas, 1940. Zool. Ser. Field Mus. Nat. Hist. 24: 122.
(error for Unio hydrelus Locard, 1889)

Unio pincianus Haas, 1940

Haas, 1940. Zool. Ser. Field Mus. Nat. Hist. 24: 121.
Haas, 1969. Das Tierreich 88: 23.
(error for Unio pinciacus Bourguignat in Locard, 1882)

Unio ricconianus Haas, 1940

‘Monterosato’ Haas, 1940. Zool. Ser. Field Mus. Nat. Hist. 24: 127.
(intro'd as syn of Unio gargottae Philippi, 1836)

Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bramichus Prie, 2012

‘Baichère’ Prie, 2012. MalaCo 8: 431.
(error for Unio bramicus Baichère, 1890)

Unio lingulformis Prie, 2012

‘Wilcock, Locard’ Prie, 2012. MalaCo 8: 431.
(error for Unio linguiformis Locard, 1893)