Unio durieui Deshayes, 1847
Deshayes, 1847, Exploration scientifique de l’Algérie: pl.109, figs. 5-8.

Unio durieui — Deshayes (1847), Westerlund (1890), Pallary (1898), Pallary (1921), ..., Príe et al. (2021), Lopes-Lima et al. (2021), Fassatoui et al. (2022), Lyubas et al. (2022)
Margaron (Unio) durieui — Lea (1870)
Unio (sec. Lymnium) durieui — Simpson (1900), Simpson (1914)
Unio elongatulus durieui — Haas (1940), Haas (1969), Van Damme (1984), Mandahl-Barth (1988), Daget (1998)
Unio mancus — Graf & Cummings (2007), Graf & Cummings (2011)

Unio sitifensis Morelet, 1851
Morelet, 1851, J. de Conch. 2: 360.
Type(s): LECTOTYPE BMNH_1893-2-4-1965, Algerie.

Unio sitifensis — Morelet (1851), Morelet (1853)
Unio durieui — Westerlund (1890), IUCN (2010)
Unio (sec. Lymnium) durieui — Simpson (1900), Simpson (1914)
Unio elongatulus durieui — Haas (1940), Haas (1969), Van Damme (1984), Daget (1998)

Unio cirtanus Bourguignat, 1862
Bourguignat, 1862, Paleo. Moll. Algerie: 109, pl. 6, fig. 14.

Unio cirtanus — Bourguignat (1862)
Unio elongatulus durieui — Van Damme (1984), Daget (1998)

Unio letourneuxi Bourguignat, 1864
Bourguignat, 1864, Mal. Alg. 2: 289, pl. 17, fig. 47.

Unio letourneuxi — Bourguignat (1864), Kobelt (1886), Westerlund (1890), Pallary (1898), Pallary (1921)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus durieui — Van Damme (1984), Daget (1998)
Unio durieui — IUCN (2010)

Unio pictorum Bourguignat, 1864
‘Linnaeus’ Bourguignat, 1864, Mal. Alg. 2: 292, pl. 22, fig. 6-11.
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio pictorum — Bourguignat (1864)
Unio elongatulus durieui — Van Damme (1984), Daget (1998)

Unio tafnanus Kobelt, 1884
‘Debeaux in litteris’ Kobelt, 1884, Icon. Land- und Süssw.-Moll. 1: 66, pl. 28, fig. 216.

Unio tafnanus — Kobelt (1884), Westerlund (1890)
Unio elongatulus durieui — Haas (1940), Haas (1969), Van Damme (1984), Daget (1998)
Unio ravoisieri — Araujo et al. (2009)
Unio durieui — IUCN (2010), Khalloufi et al. (2011)

Unio tetuanensis Kobelt, 1884
Kobelt, 1884, Icon. Land- und Süssw.-Moll. 1: 66, pl. 28, fig. 217.

Unio tetuanensis — Kobelt (1884), Westerlund (1890)
Unio durieui var. tetuanensis — Pallary (1898)
Unio elongatulus durieui — Haas (1940), Haas (1969), Van Damme (1984), Daget (1998)
Unio durieui — IUCN (2010)

Unio durieui var. minor Letourneux & Bourguignat, 1887
Letourneux & Bourguignat, 1887, Prodr. Malacol. Terr. Fluv. Tunisie: 164.
(homonym of Unio margaritifer var. minor Rossmässler, 1835; intro'd as intra-sp. of Unio durieui Deshayes, 1847)

Unio durieui var. minor — Letourneux & Bourguignat (1887)
Unio elongatulus durieui — Daget (1998)

Unio sitifiensis Westerlund, 1890
‘Morel.’ Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 142.
(error for Unio sitifensis Morelet, 1851)

Unio sitifiensis — Westerlund (1890)

Unio (Limnium) subpictorum Pallary, 1936
Pallary, 1936, J. de Conch.: 62.

Unio (Limnium) subpictorum — Pallary (1936)
Unio elongatulus durieui — Van Damme (1984), Mandahl-Barth (1988), Daget (1998)
Unio durieui — IUCN (2010)

Taxonomic History (since 1900)

Unio (sec. Lymnium) durieui — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio durieui — Pallary (1921), Van Damme et al. (2010), IUCN (2010), Khalloufi et al. (2011), ..., Príe et al. (2021), Lopes-Lima et al. (2021), Fassatoui et al. (2022), Lyubas et al. (2022)
Unio letourneuxi — Pallary (1921)
Unio (Limnium) subpictorum — Pallary (1936)
Unio elongatulus durieui — Haas (1940), Haas (1969), Van Damme (1984), Mandahl-Barth (1988), Daget (1998)
Unio mancus — Graf & Cummings (2007), Graf & Cummings (2011)
Unio ravoisieri — Araujo et al. (2009)