Unio tigridis Bourguignat, 1852
Bourguignat, 1852, Test. Nov. Saulcy: 30.
Bourguignat, 1853, Catalogue Raissoné des Mollusques Terrestres et Fluviatiles Recueillis par M.F. Saulcy 1853: 77, pl. 4, figs. 7-9.
(renamed Margaron (Unio) tigris Lea, 1870)
Type(s): SYNTYPE MNHN_MP_0066, Bagdad.

Unio tigridis — Bourguignat (1852), Bourguignat (1853), Küster (1861), Lortet (1880), ..., Lopes-Lima et al. (2021), Lyubas et al. (2022), Bashê (2022), Jihad (2023)
Margaron (Unio) tigris — Lea (1870)
Unio (sec. Lymnium) tigridis — Simpson (1900), Simpson (1914)
Unio (Nemrodia) tigris — Pallary (1939)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio (s.s.) tigridis — Falkner (1994)

Unio truncatus Swainson, 1823
Swainson, 1823, Zool. Illustr. 3(1): pl. 10.
Swainson, 1840, Treat. Malacol.: 269-270.
(homonym of Unio truncatus Spengler, 1793)

Unio truncatus — Swainson (1823), Hanley (1843), Sowerby (1868)
Margarita (Unio) truncatus — Lea (1836), Lea (1838)
Unio (s.s.) truncatus — Swainson (1840)
Margaron (Unio) truncatus — Lea (1852), Lea (1870)
Unio (Lampsilis) truncatus — Adams & Adams (1857)
Unio tigridis — Kobelt (1886), Westerlund (1890), Preston (1912)
Unio (sec. Lymnium) tigridis — Simpson (1900), Simpson (1914)
Unio tigridis tigridis — Haas (1940), Haas (1969)

Unio natolicus Küster, 1856
Küster, 1856, Conchyl. Cab. 9(2): 144, pl. 42, fig. 4.

Unio natolicus — Küster (1856)
Unio (Groupe de l‘Unio axiacus) hueti — Locard (1883)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio tigridis tigridis — Haas (1940), Haas (1969)

Unio mussolianus Küster, 1861
‘Parreiss in sched.’ Küster, 1861, Conchyl. Cab. 9(2): 244, pl. 82, fig. 1.
(renamed Unio mossulianus Kobelt, 1912)

Unio mussolianus — Küster (1861), Preston (1912)
Unio hueti — Kobelt (1886), Westerlund (1890)
Unio (sec. Lymnium) mussolianus — Simpson (1900), Simpson (1914)
Unio (Limnium) mossulianus — Pallary (1939)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio bourguignatianus Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 189.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 54 [58], pl. 18, fig. 51.
Type(s): HOLOTYPE USNM_84713, R. Tigris at Mosul, Persia.

Unio bourguignatianus — Lea (1863), Lea (1866), Paetel (1890), Westerlund (1890)
Margaron (Unio) bourguignatianus — Lea (1870)
Unio (sec. Lymnium) mussolianus — Simpson (1900), Simpson (1914)
Unio mussolianus — Preston (1912)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021), Jihad (2023)

Unio dignatus Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 189.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 51 [55], pl. 17, fig. 48.
Type(s): HOLOTYPE USNM_84714, R. Tigris at Bagdad, Persia.

Unio dignatus — Lea (1863), Lea (1866)
Margaron (Unio) dignatus — Lea (1870)
Unio tigridis — Kobelt (1886), Westerlund (1890), Preston (1912), Schütt (1983), Lopes-Lima et al. (2021), Jihad (2023)
Unio (sec. Lymnium) tigridis — Simpson (1900), Simpson (1914)
Unio (Nemrodia) dignatus — Pallary (1939)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio (s.s.) tigridis — Falkner (1994)

Unio mosulensis Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 190.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 52 [57], pl. 17, fig. 49.
Type(s): HOLOTYPE USNM_85230, River Tigris, Mosul, Persia.

Unio mosulensis — Lea (1863), Lea (1866)
Margaron (Unio) mosulensis — Lea (1870)
Unio hueti — Kobelt (1886), Westerlund (1890)
Unio (sec. Lymnium) mussolianus — Simpson (1900), Simpson (1914)
Unio mussolianus — Preston (1912)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021), Bogan et al. (2021), Jihad (2023)

Unio rasus Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 189.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 50 [54], pl. 17, fig. 47.
Type(s): HOLOTYPE USNM_85231, Assyria.

Unio rasus — Lea (1863), Lea (1866)
Margaron (Unio) rasus — Lea (1870)
Unio (sec. Lymnium) mussolianus — Simpson (1900), Simpson (1914)
Unio mussolianus — Preston (1912)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Margaron (Unio) tigris Lea, 1870
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 21. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 18. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 25. [nomen nudum]
‘Fer.’ Lea, 1870, Synopsis Fam. Naiades: 39.
(new name for Unio tigridis Bourguignat, 1852)
Type(s): MANUSCRIPT NAME USNM_84706, River at Bagdad, Persia.

Margaron (Unio) tigris — Lea (1852), Lea (1870)
Margarita (Unio) tigris — Lea (1836), Lea (1838)
Unio (Lampsilis) tigris — Adams & Adams (1857)
Unio (sec. Lymnium) tigridis — Simpson (1900)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Lopes-Lima et al. (2021)

Unio mossulensis Kobelt, 1886
‘Lea’ of Authors.
Kobelt, 1886, Icon. Land- und Süssw.-Moll. 2: 22.
Paetel, 1890, Cat. Conch.-Samml. 3: 173.
‘Lea’ Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 171.
(error for Unio mosulensis Lea, 1863)

Unio mossulensis — Kobelt (1886)
Unio (sec. Lymnium) mussolianus — Simpson (1900), Simpson (1914)

Unio zabulonicus Kobelt, 1893
Kobelt, 1893, Icon. Land- und Süssw.-Moll. 6: 96, pl. 179, fig. 1129.
(misidentified reference to Unio zabulonicus Locard, 1883)

Unio zabulonicus — Kobelt (1893)
Unio (sec. Lymnium) ellipsoideus — Simpson (1900), Simpson (1914)

Unio lorteti Kobelt, 1895
Kobelt, 1895, Iconogr. Land-Süßw.-Moll., Supplement 1: 14, pl. 5, fig. 3.
(misidentified reference to Unio lorteti Locard, 1883)

Unio lorteti — Kobelt (1895)
Unio (sec. Lymnium) ellipsoideus — Simpson (1900), Simpson (1914)

Unio lortiti Simpson, 1900
‘Kobelt’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 690.
(error for Unio lorteti Kobelt, 1895)

Unio lortiti — Simpson (1900)

Unio mossulianus Kobelt, 1912
Kobelt, 1912, Icon. Land- und Süssw.-Moll. 19: 46, pl. 503, fig. 2658.
(new name for Unio mussolianus Küster, 1861)

Unio mossulianus — Kobelt (1912)
Unio (sec. Lymnium) mussolianus — Simpson (1914)
Unio (Limnium) mossulianus — Pallary (1939)

Unio tigridis var. haruni Kobelt, 1912
Kobelt, 1912, Icon. Land- und Süssw.-Moll. 19: 2, pl. 32, fig. 226.
(intro'd as intra-sp. of Unio tigridis Bourguignat, 1852)

Unio tigridis var. haruni — Kobelt (1912)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio calliopsis Kobelt, 1913
Kobelt, 1913, Icon. Land- und Süssw.-Moll. 19: 15, pl. 519, fig. 2703.

Unio calliopsis — Kobelt (1913)
Unio (Nemrodia) calliopsis — Pallary (1939)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021), Bogan et al. (2021), Jihad (2023)

Unio hyperamblius Kobelt, 1913
Kobelt, 1913, Icon. Land- und Süssw.-Moll. 19: 15, pl. 519, fig. 2701.

Unio hyperamblius — Kobelt (1913)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio siouffi Kobelt, 1913
Kobelt, 1913, Icon. Land- und Süssw.-Moll. 19: 47, pl. 534, fig. 2747.

Unio siouffi — Kobelt (1913)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio dignatus assuricus Kobelt, 1913
Kobelt, 1913, Icon. Land- und Süssw.-Moll. 19: 13, pl. 518, fig. 2699.
(intro'd as intra-sp. of Unio dignatus Lea, 1863)

Unio dignatus assuricus — Kobelt (1913)
Unio (sec. Lymnium) tigridis — Simpson (1914)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio dignatus ninusi Kobelt, 1913
Kobelt, 1913, Icon. Land- und Süssw.-Moll. 19: 13, pl. 518, fig. 2700.
(intro'd as intra-sp. of Unio dignatus Lea, 1863)

Unio dignatus ninusi — Kobelt (1913)
Unio (sec. Lymnium) tigridis — Simpson (1914)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio dignatus semiramidis Kobelt, 1913
Kobelt, 1913, Icon. Land- und Süssw.-Moll. 19: 11, pl. 517, figs. 2698.
(intro'd as intra-sp. of Unio dignatus Lea, 1863)

Unio dignatus semiramidis — Kobelt (1913)
Unio (sec. Lymnium) tigridis — Simpson (1914)
Unio (Nemrodia) semiramidis — Pallary (1939)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021), Bogan et al. (2021)

Unio (Nemrodia) tammouziana Pallary, 1939
Pallary, 1933, Bull. Mus. Hist. Nat. 5: 149. [nomen nudum]
Pallary, 1939, Mém. Inst. Égypte 39: 118, pl. 7, figs. 2-4.

Unio (Nemrodia) tammouziana — Pallary (1939)
Unio tigridis tigridis — Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio (Nemrodia) tammouziana var. major Pallary, 1939
Pallary, 1939, Mém. Inst. Égypte 39: 118.
(homonym of Unio (Anodontes) sirionos var. major d’Orbigny, 1835; intro'd as intra-sp. of Unio (Nemrodia) tammouziana Pallary, 1939)

Unio (Nemrodia) tammouziana var. major — Pallary (1939)
Unio tigridis tigridis — Haas (1969)
Unio tigridis — Lopes-Lima et al. (2021)

Unio (Nemrodia) tammouziana var. minor Pallary, 1939
Pallary, 1939, Mém. Inst. Égypte 39: 119.
(homonym of Unio margaritifer var. minor Rossmässler, 1835; intro'd as intra-sp. of Unio (Nemrodia) tammouziana Pallary, 1939)

Unio (Nemrodia) tammouziana var. minor — Pallary (1939)
Unio tigridis tigridis — Haas (1969)
Unio tigridis — Lopes-Lima et al. (2021)

Unio (Nemrodia) tigris [sic] var. cuneiformis Pallary, 1939
Pallary, 1939, Mém. Inst. Égypte 39: 116.
(intro'd as intra-sp. of Unio tigridis Bourguignat, 1852; homonym of Unio vinceloti var. cuneiformis Germain, 1904)

Unio (Nemrodia) tigris var. cuneiformis — Pallary (1939)
Unio tigridis tigridis — Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio (Nemrodia) tigris [sic] var. khabourensis Pallary, 1939
Pallary, 1939, Mém. Inst. Égypte 39: 117.
(intro'd as intra-sp. of Unio tigridis Bourguignat, 1852)

Unio (Nemrodia) tigris var. khabourensis — Pallary (1939)
Unio tigridis tigridis — Haas (1969)
Unio tigridis — Schütt (1983), Lopes-Lima et al. (2021)

Unio rarus Schütt, 1983
‘Lea’ Schütt, 1983, Arch. Moll. 113(1/6): 55.
(error for Unio rasus Lea, 1863)

Unio rarus — Schütt (1983)

Taxonomic History (since 1900)

Unio (sec. Lymnium) tigridis — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) mussolianus — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) ellipsoideus — Simpson (1900), Simpson (1914)
Unio lortiti — Simpson (1900)
Unio tigridis — Preston (1912), Haas (1952), Starmühlner & Edlauer (1957), Biggs (1971), ..., Bogan et al. (2021), Bashê (2022), Lyubas et al. (2022), Jihad (2023)
Unio mussolianus — Preston (1912)
Unio mossulianus — Kobelt (1912)
Unio tigridis var. haruni — Kobelt (1912)
Unio calliopsis — Kobelt (1913)
Unio hyperamblius — Kobelt (1913)
Unio siouffi — Kobelt (1913)
Unio dignatus assuricus — Kobelt (1913)
Unio dignatus ninusi — Kobelt (1913)
Unio dignatus semiramidis — Kobelt (1913)
Unio (Nemrodia) tigris — Pallary (1939)
Unio (Limnium) mossulianus — Pallary (1939)
Unio (Nemrodia) dignatus — Pallary (1939)
Unio (Nemrodia) calliopsis — Pallary (1939)
Unio (Nemrodia) semiramidis — Pallary (1939)
Unio (Nemrodia) tammouziana — Pallary (1939)
Unio (Nemrodia) tammouziana var. major — Pallary (1939)
Unio (Nemrodia) tammouziana var. minor — Pallary (1939)
Unio (Nemrodia) tigris var. cuneiformis — Pallary (1939)
Unio (Nemrodia) tigris var. khabourensis — Pallary (1939)
Unio tigridis tigridis — Haas (1940), Haas (1969)
Unio rarus — Schütt (1983)
Unio (s.s.) tigridis — Falkner (1994)