Unio acuminatus Martens, 1879
‘Adams’ Martens, 1879. S.-Ber. Ges. Naturf. Freunde zu Berlin 1879: 105.
(misidentified reference to Unio acuminatus H. Adams, 1866)

Nitia monceti — Daget (1998)

Unio monceti Bourguignat, 1883
Bourguignat, 1883. Moll. Fluv. Nyanza: 15, figs. 13-15.

Parreysia (s.s.) monceti — Simpson (1900)
Parreyssia [sic] monceti — Kobelt (1910)
Unio (sec. Cafferia) monceti — Simpson (1914)
— Pilsbry & Bequaert (1927)
Nitia monceti — Haas (1936), Haas (1969), Daget (1998), Graf & Cummings (2007), Graf & Cummings (2007), Van Damme & Van Bocxlaer (2009), Bogan (2010), Van Damme & Pickford (2010), IUCN (2011), Graf & Cummings (2011), Ortiz-Sepulveda et al. (2020), Graf & Cummings (2021)
Caelatura [sic] monceti — Mandahl-Barth (1988)
Coelatura monceti — Scholz & Glaubrecht (2004)

Unio lourdeli Bourguignat, 1887
Bourguignat, 1887. Bull. Soc. Malac. France 4: 271.

Nodularia (sec. Cafferia) lourdelli [sic] — Simpson (1900)
Unio lourdeli — E.A. Smith (1906)
Nodularia (Cafferia) lourdeli — Kobelt (1910)
Unio (sec. Cafferia) lourdeli — Simpson (1914)
Parreysia lourdeli — Pilsbry & Bequaert (1927)
Nitia monceti — Haas (1936), Haas (1969), Daget (1998)
Caelatura [sic] monceti — Mandahl-Barth (1988)

Unio lourdeli var. smithi Germain, 1906
Germain, 1906. Bull. Mus. Hist. Nat. 12: 306.
(homonym of Unio smithii Griffith & Pidgeon, 1833; intro'd as intra-sp. of Unio lourdeli Bourguignat, 1887)

Unio (sec. Cafferia) lourdeli var. smithi — Simpson (1914)
Parreysia lourdeli — Pilsbry & Bequaert (1927)
Nitia monceti — Haas (1936), Haas (1969), Daget (1998)

Unio monceti var. rubra Germain, 1906
Germain, 1906. Bull. Mus. Hist. Nat. 12: 306.
(intro'd as intra-sp. of Unio monceti Bourguignat, 1883)

Unio (sec. Cafferia) monceti var. rubra — Simpson (1914)
— Pilsbry & Bequaert (1927)
Nitia monceti — Haas (1936), Haas (1969), Daget (1998)

Unio lourdelli Simpson, 1900
‘Bourguignat’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 826.
(error for Unio lourdeli Bourguignat, 1887)