Unio terminalis Bourguignat, 1852
Bourguignat, 1852. Test. Nov. Saulcy: 31.
Bourguignat, 1853. Catalogue Raissoné des Mollusques Terrestres et Fluviatiles Recueillis par M.F. Saulcy 1853: 76, pl. 4, figs. 7-9.

Unio (sec. Lymnium) terminalis — Simpson (1900), Simpson (1914)
Unio terminalis — Preston (1912), Thiele (1934), Schütt (1988), Graf (2007), Graf & Cummings (2007), ... Lopes-Lima et al. (2021), Lyubas et al. (2022), Lopes-Lima et al. (2024), Hou et al. (2024), Campbell & Lydeard (2026)
Unio (Eolymnium) terminalis — Prashad (1919), Haas (1969)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Eolymnium (s.s.) terminalis — Zatravkin (1983)
Unio (s.s.) terminalis — Falkner (1994)
Unio tigridis — Araujo et al. (2018), Graf & Cummings (2021)

Unio grelloisianus Bourguignat, 1856
Bourguignat, 1856. Rev. Mag. Zool. 8: 227, pl. 15, figs. 1-4.

Unio (sec. Lymnium) grelloisianus — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio jordanicus Bourguignat, 1856
Bourguignat, 1856. Rev. Mag. Zool. 8: 228, pl. 10, figs. 1-4.

Unio (sec. Lymnium) grelloisianus — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio lunulifer Bourguignat, 1856
Bourguignat, 1856. Rev. Mag. Zool. 8: 227, pl. 11, figs. 5-8.

Unio (sec. Lymnium) grelloisianus — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio grelloisianus var. giganteus Bourguignat, 1856
Bourguignat, 1856. Rev. Mag. Zool. 8: ??.
(homonym of Unio crassus var. giganteus Barnes, 1823; intro'd as intra-sp. of Unio grelloisianus Bourguignat, 1856)

Unio tigridis terminalis — Haas (1940)

Unio ellipsoideus Locard, 1883
‘Bourguignat’ Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 211, pl. 21, figs. 1-3.

Unio (sec. Lymnium) ellipsoideus — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio genezarethanus Locard, 1883
‘Letourneux’ Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 213, pl. 21, fig. 4-6.

Unio (sec. Lymnium) ellipsoideus — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio lorteti Locard, 1883
‘Locard’ Lortet, 1880. C. R. Acad. Sci. 91: 502. [nomen nudum]
Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 215, 245, pl. 21, figs. 7-12.

Unio (sec. Lymnium) pietri — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis delicatus — Schütt (1983)
Unio terminalis — Lopes-Lima et al. (2021)

Unio pietri Locard, 1883
‘Locard’ Lortet, 1880. C. R. Acad. Sci. 91: 502. [nomen nudum]
Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 210, pl. 20, figs. 17-19.

Unio (sec. Lymnium) pietri — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio prosacrus Locard, 1883
‘Bourguignat’ Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 219, pl. 21, figs. 16-17.

Unio (sec. Lymnium) pietri — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio raymondi Locard, 1883
‘Bourguignat’ Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 208.

— Simpson (1914)
Unio raymondi — Haas (1924)
Unio elongatulus eucirrus — Haas (1940), Haas (1969), Schütt (1983), Fauna Europaea (2012)
Unio terminalis — Lopes-Lima et al. (2021)

Unio tiberiadensis Locard, 1883
‘Letourneux’ Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 216, pl. 21, figs. 13-15.

Unio (sec. Lymnium) pietri — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio tristrami Locard, 1883
Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 209, pl. 20, figs. 15-16.

Unio (sec. Lymnium) pietri — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio zabulonicus Locard, 1883
‘Bourguignat’ Locard, 1883. Arch. Mus. Hist. Nat. Lyon 3: 220, pl. 22, figs. 11-13.

Unio (sec. Lymnium) zabulonicus — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio herodes Kobelt & Rolle, 1895
Kobelt & Rolle, 1895. Iconogr. Land-Süßw.-Moll., Supplement 1 (1-4): 17, pl. 6, fig. 4.

Unio (sec. Lymnium) ellipsoideus — Simpson (1900), Simpson (1914)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio kisonis Kobelt & Rolle, 1895
Kobelt & Rolle, 1895. Iconogr. Land-Süßw.-Moll., Supplement 1 (1-4): 17, pl. 7, figs. 2-3.

Unio (sec. Lymnium) tigridis — Simpson (1900), Simpson (1914)
Unio tigridis — Preston (1912)
Unio tigridis terminalis — Haas (1940), Haas (1969)
Unio terminalis — Lopes-Lima et al. (2021)

Unio raymondopsis Kobelt, 1913
Kobelt, 1913. Icon. Land- und Süssw.-Moll. 19: 30, pl. 525, fig. 2724.

— Simpson (1914)
Unio elongatulus eucirrus — Haas (1940), Haas (1969), Schütt (1983)
Unio terminalis — Lopes-Lima et al. (2021)

Unio tigridis Araujo et al., 2018
‘Bourguignat’ of Authors.
Araujo et al., 2018. J. Linn. Soc., Zool. 182(2): supplementary table. [in part]
Marrone et al., 2019. Zootaxa 4545(3): 345.
(misidentified reference to Unio tigridis Bourguignat, 1852)

Unio terminalis — Lopes-Lima et al. (2021)

Unio lunifer Lea, 1870
‘Bourg’ Lea, 1870. Synopsis Fam. Naiades: 37.
(error for Unio lunulifer Bourguignat, 1856)

Unio petroi Paetel, 1890
‘Loc.’ Paetel, 1890. Cat. Conch.-Samml. 3: 163.
(error for Unio pietri Locard, 1883)

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