Unio (Alasmodonta) bonellii Férussac, 1827
Férussac, 1827, Bull. Sci. Nat. et Géol. 10: 417.
(new name for Unio depressa C. Pfeiffer, 1825; renamed Alasmodonta compressa Menke, 1830)
Type(s): LECTOTYPE SMF_4467, A.d. Lijak, Isonzo-Gebiet b. Gorz.

Unio (Alasmodonta) bonellii — Férussac (1827)
Unio bonellii — Menke (1828), Rossmässler (1835), Hanley (1843), Gredler (1859)
Alasmidonta compressa — Menke (1830)
Margarita (Margaritana) bonellii — Lea (1836), Lea (1838)
Margaron (Margaritana) bonellii — Lea (1852)
Baphia bonellii — Adams & Adams (1857)
Unio (Margaritana) bonellii — Stabile (1859)
Margaritana bonellii — Küster (1862)
Microcondylaea bonellii — Vest (1866), Haas (1924), Nagel et al. (1998), Falkner et al. (2001), ..., Matos et al. (2024), Wu et al. (2024), Dai et al. (2024), Wu et al. (2024)
Anodon bonellii — Sowerby (1867)
Margaron (Monocondylœa) bonellii — Lea (1870)
Leguminaia (Uniopsis) bonellii — Bourguignat (1876)
Microcondylus bonellii — Drouët (1879)
Leguminaia bonellii — Bourguignat (1880), Bourguignat (1883), Westerlund (1890), Servain (1890)
Margaritana (Microcondylaea) bonellii — Kobelt (1884)
Pseudodon (sec. Microcondylaea) bonellii — Fischer (1887)
Leguminaia (sec. Microcondylaea) uniopsis — Simpson (1900), Simpson (1914)
Microcondylaea bonelli — Kobelt (1904), Dhora (2009)
Microcondylaea compressa — Haas (1940), Haas (1969), Fauna Europaea (2012)

Alasmodonta compressa Menke, 1830
Menke, 1830, Syn. Method. Moll.: 106.
(new name for Unio depressa C. Pfeiffer, 1825; new name for Unio (Alasmodonta) bonellii Férussac, 1827)
Type(s): NOMEN NUDUM SMF_4458, Isonza Zufluss b. Collalto n. Hospitaleto, Grafschaft Gorz.

Alasmodonta compressa — Menke (1830)
Alasmidonta compressa — Menke (1830)
Unio bonellii — Rossmässler (1835), Sowerby (1868)
Margarita (Margaritana) bonellii — Lea (1836), Lea (1838)
Margaron (Margaritana) bonellii — Lea (1852)
Unio (Margaritana) bonellii — Stabile (1859)
Margaritana bonellii — Küster (1862)
Microcondylaea bonellii — Vest (1866), Nagel et al. (1998), IUCN (2011), Lopes-Lima et al. (2017)
Margaron (Monocondylœa) bonellii — Lea (1870)
Microcondylus bonellii — Drouët (1879)
Leguminaia (sec. Microcondylaea) uniopsis — Simpson (1900), Simpson (1914)
Microcondylaea compressa — Haas (1940), Haas (1969), Graf (2007), Fauna Europaea (2012)
Microcondylea compressa — Bába (2000)

Unio bonellii Rossmässler, 1835
‘Fér.’ Rossmässler, 1835, Icon. Land- und Süssw.-Moll. 1 (2): 24, pl. 9, fig. 134.
(reference to Unio (Alasmodonta) bonellii Férussac, 1827)

Unio bonellii — Rossmässler (1835), Sowerby (1868)
Microcondylaea bonellii — Graf & Cummings (2007), Bogan (2010)

Anodonta uniopsis Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 86, sp. 8.
Type(s): POSSIBLE SYNTYPE MNHN_MPL_0040, “Habite... les régions australes? Du voyage de Baudin. Mus. n°.”.

Anodonta uniopsis — Lamarck (1819), Lea (1834), Hanley (1843), Adams & Adams (1857)
Margarita (Anodonta) uniopsis — Lea (1836), Lea (1838)
Margaron (Anodonta) uniopsis — Lea (1852), Lea (1870)
Unio bonellii — Gredler (1859)
Margaritana (Microcondylaea) bonellii — Kobelt (1884)
Leguminaia (sec. Microcondylaea) uniopsis — Simpson (1900), Simpson (1914), Thiele (1934)
Microcondylaea compressa — Haas (1940), Haas (1969), Fauna Europaea (2012)
Leguminaia (Microcondylaea) uniopsis — Haas (1969)

Unio depressa C. Pfeiffer, 1825
‘Mühl.’ C. Pfeiffer, 1825, Naturgesch. Dtsch. Land-Süßw. Moll. 2: 32, pl. 8, figs. 3-4.
(homonym of Unio depressa Lamarck, 1819; renamed Unio (Alasmodonta) bonellii Férussac, 1827; renamed Alasmodonta compressa Menke, 1830)

Unio depressa — C. Pfeiffer (1825)
Unio (Alasmodonta) bonellii — Férussac (1827)
Unio bonellii — Menke (1828), Rossmässler (1835), Hanley (1843), Sowerby (1868)
Alasmidonta compressa — Menke (1830)
Margarita (Margaritana) bonellii — Lea (1836), Lea (1838)
Margaron (Margaritana) bonellii — Lea (1852)
Unio (Margaritana) bonellii — Stabile (1859)
Margaritana bonellii — Küster (1862)
Microcondylaea bonellii — Vest (1866)
Margaron (Monocondylœa) bonellii — Lea (1870)
Microcondylus bonellii — Drouët (1879)
Leguminaia depressa — Bourguignat (1883), Servain (1890), Westerlund (1890)
Margaritana (Microcondylaea) bonellii — Kobelt (1884)
Leguminaia (sec. Microcondylaea) uniopsis — Simpson (1900), Simpson (1914)
Microcondylaea compressa — Haas (1940), Haas (1969), Fauna Europaea (2012)

Unio bonelli var. curvata Rossmässler, 1842
Rossmässler, 1842, Icon. Land- und Süssw.-Moll. 2 (5): 14, pl. 55, fig. 746.
(intro'd as intra-sp. of Unio (Alasmodonta) bonellii Férussac, 1827)
Type(s): HOLOTYPE SMF_4462, Lago di Como (= Lario).

Unio bonelli var. curvata — Rossmässler (1842)
Unio bonellii var. curvata — Rossmässler (1842)
Leguminaia curvata — Bourguignat (1880), Bourguignat (1883), Westerlund (1890), Servain (1890)
Microcondylaea compressa — Haas (1940), Haas (1969)

Microcondylus crassulus Drouët, 1879
Drouët, 1879, J. de Conch. 27: 139.
Type(s): SYNTYPE SMF_4470, Castellgoffredo b. Mantua.

Microcondylus crassulus — Drouët (1879)
Leguminaia crassula — Bourguignat (1883), Servain (1890), Westerlund (1890)
Margaritana crassula — Kobelt (1884)
Microcondylaea compressa — Haas (1940), Haas (1969)

Microcondylus gibbosus Drouët, 1879
Drouët, 1879, J. de Conch. 27: 140.

Microcondylus gibbosus — Drouët (1879)
Leguminaia curvata — Bourguignat (1883)
Margaritana gibbosa — Kobelt (1886)
Microcondylaea compressa — Haas (1940), Haas (1969)

Microcondylus moreleti Drouët, 1879
Drouët, 1879, J. de Conch. 27: 139.

Microcondylus moreleti — Drouët (1879)
Leguminaia moreleti — Bourguignat (1883), Servain (1890)
Leguminaia bonellii — Westerlund (1890)
Microcondylaea compressa — Haas (1940), Haas (1969)

Microcondylus squamosus Drouët, 1879
Drouët, 1879, J. de Conch. 27: 139.

Microcondylus squamosus — Drouët (1879)
Leguminaia squamosa — Bourguignat (1883), Westerlund (1890)
Margaritana squamosa — Kobelt (1886)
Leguminaia squamosus — Servain (1890)
Microcondylaea compressa — Haas (1940), Haas (1969)

Leguminaia doriae Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 73 [as ‘doriæ’].

Leguminaia doriae — Bourguignat (1883)
Leguminaia doriæ — Bourguignat (1883), Servain (1890), Westerlund (1890)
Microcondylaea compressa — Haas (1940), Haas (1969)

Leguminaia gestroi Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 75.

Leguminaia gestroi — Bourguignat (1883), Servain (1890), Westerlund (1890)
Microcondylaea compressa — Haas (1940), Haas (1969)

Leguminaia servaini Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 69.

Leguminaia servaini — Bourguignat (1883), Servain (1890), Westerlund (1890)
Microcondylaea compressa — Haas (1940), Haas (1969)

Microcondylaea truncatus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 85.

Microcondylaea truncatus — Drouët (1883)
Margaritana truncata — Kobelt (1886)
Leguminaia truncata — Servain (1890), Westerlund (1890)
Microcondylaea compressa — Haas (1940)

Leguminaia craverii Pollonera, 1899
Pollonera, 1899, Boll. Mus. Zool. Anat. Comp. Torino 4: 14.

Leguminaia craverii — Pollonera (1899)
Microcondylaea compressa — Haas (1940), Haas (1969)

Leguminaia pedemontana Pollonera, 1899
Pollonera, 1899, Boll. Mus. Zool. Anat. Comp. Torino 4: 14.

Leguminaia pedemontana — Pollonera (1899)
Microcondylaea compressa — Haas (1940), Haas (1969)

Microcondylaea bonellii form levicensis Kobelt, 1913
Kobelt, 1913, Icon. Land- und Süssw.-Moll. 19: 54, pl. 535, fig. 2754.
(intro'd as intra-sp. of Unio (Alasmodonta) bonellii Férussac, 1827)
Type(s): HOLOTYPE SMF_4459, Lago di Levico, im Val Sugana, Tridentino.

Microcondylaea bonellii form levicensis — Kobelt (1913)
Microcondylaea compressa — Haas (1940), Haas (1969)

Microcondylaea bonellii form parisii Kobelt, 1913
Kobelt, 1913, Icon. Land- und Süssw.-Moll. 19: 55, pl. 536, fig. 2755.
(intro'd as intra-sp. of Unio (Alasmodonta) bonellii Férussac, 1827)
Type(s): HOLOTYPE SMF_4460, Lago di Caldaro, sudl v Bozen.

Microcondylaea bonellii form parisii — Kobelt (1913)
Microcondylaea compressa — Haas (1940), Haas (1969)

Pseudoanodonta depressa var. augusti Graziadei, 1933
Graziadei, 1933, Stud. Trent. Sci. Nat. Trento 14: 43.
(intro'd as intra-sp. of Unio depressa C. Pfeiffer, 1825)
Type(s): SYNTYPE SMF_9238, Levico See, S. Tirol.

Pseudoanodonta depressa var. augusti — Graziadei (1933)
Microcondylaea compressa — Haas (1940), Haas (1969)

Microcondylus crassus Haas, 1940
‘Drouët’ Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 133.
(error for Microcondylus crassulus Drouët, 1879)

Microcondylus crassus — Haas (1940)

Taxonomic History (since 1900)

Leguminaia (sec. Microcondylaea) uniopsis — Simpson (1900), Simpson (1914), Thiele (1934)
Microcondylaea bonelli — Kobelt (1904), Dhora (2009)
Microcondylaea bonellii form levicensis — Kobelt (1913)
Microcondylaea bonellii form parisii — Kobelt (1913)
Microcondylaea bonellii — Haas (1924), Nagel et al. (1998), Falkner et al. (2001), Nagel & Badino (2001), ..., Matos et al. (2024), Wu et al. (2024), Dai et al. (2024), Wu et al. (2024)
Pseudoanodonta depressa var. augusti — Graziadei (1933)
Microcondylaea compressa — Haas (1940), Haas (1969), Graf (2007), Fauna Europaea (2012)
Microcondylus crassus — Haas (1940)
Leguminaia (Microcondylaea) uniopsis — Haas (1969)
Microcondylea compressa — Bába (2000)