Unio gabonensis Küster, 1862
Küster, 1862. Conchyl. Cab. 9(2): 291, pl. 97, fig. 7.
Type(s): TYPE UNKNOWN, Gabon in West Africa.

Nodularia (sec. Cælatura [sic]) gabonensis — Simpson (1900), Simpson (1914)
Nodularia (Coelatura) gabonensis — Kobelt (1910)
— Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) gabunensis [sic] — Haas (1936)
Caelatura [sic] (Zairia) gabonensis — Haas (1969)
Caelatura [sic] aegyptiaca gabonensis — Mandahl-Barth (1988)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), Graf & Cummings (2007), Van Damme & Van Bocxlaer (2009), IUCN (2010), ... Bolotov et al. (2017), Bolotov et al. (2017), Huang et al. (2019), Graf & Cummings (2021), Galal-Khallaf et al. (2024)
Coelatura cf. gabonensis — Ortiz-Sepulveda et al. (2020)

Unio aequatorius Morelet, 1885
Morelet, 1885. J. de Conch. 33: 31, pl. 2, fig. 9 [as ‘æquatorius’].
Type(s): SYNTYPES BMNH_93-2-4-1585, Mayumba River, Congo.

Nodularia (sec. Cælatura [sic]) aequitoria [sic] — Simpson (1900)
Unio (Nodularia) aequatoria — Germain (1907)
Nodularia (Coelatura) aequatoria — Kobelt (1910)
Nodularia (sec. Cælatura [sic]) æquatoria — Simpson (1914)
Cælatura [sic] (s.s.) aequatoria — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) aequatoria — Haas (1936), Dartevelle & Schwetz (1937), Haas (1969)
Caelatura [sic] aequatoria — Franc (1949)
Caelatura [sic] aegyptiaca gabonensis — Mandahl-Barth (1988)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010), Graf & Cummings (2011)

Zairia araneosa Rochebrune, 1886
Rochebrune, 1886. Bull. Soc. Malac. France 3: 11.
Type(s): TYPE MNHN_MP_0306, Gancini (Congo).

— Simpson (1900)
Zairia araneosa — Kobelt (1910)
Nodularia araneosa — Simpson (1914)
Cælatura [sic] araneosa — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) elegans — Haas (1936), Haas (1969)
Caelatura [sic] aegyptiaca gabonensis — Mandahl-Barth (1988)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010)

Zairia elegans Rochebrune, 1886
Rochebrune, 1886. Bull. Soc. Malac. France 3: 12.
(renamed Unio (Nodularia) roubaudi Germain, 1907)
Type(s): TYPE MNHN_MP_0054, Gancini (Congo).

— Simpson (1900)
Unio (Nodularia) roubaudi — Germain (1907)
Zairia elegans — Kobelt (1910)
Nodularia (sec. Cælatura [sic]) elegans — Simpson (1914)
Cælatura [sic] (s.s.) elegans — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) elegans — Haas (1936), Haas (1969), Haas (1969)
Caelatura [sic] aegyptiaca gabonensis — Mandahl-Barth (1988)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010), Graf & Cummings (2011), Graf et al. (2014)

Zairia poirieri Rochebrune, 1886
Rochebrune, 1886. Bull. Soc. Malac. France 3: 11.
Type(s): HOLOTYPE MNHN_MP_0088, Gancini (Congo).

— Simpson (1900)
Zairia poirieri — Kobelt (1910)
Nodularia poirieri — Simpson (1914)
Cælatura [sic] poirieri — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) elegans — Haas (1936), Haas (1969)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010)

Zairia sordida Rochebrune, 1886
Rochebrune, 1886. Bull. Soc. Malac. France 3: 12.
Type(s): TYPE MNHN_MP_0100, Gancini (Congo).

— Simpson (1900)
Zairia sordida — Kobelt (1910)
Nodularia sordida — Simpson (1914)
Cælatura [sic] sordida — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) elegans — Haas (1936), Haas (1969)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010)

Unio landanensis Schepman, 1891
Schepman, 1891. Notes Leyden Mus. 13(9): 113, pl. 8, fig. 3a-b.
Type(s): HOLOTYPE RMHN_XXX, Landana, (Cabinda) Angola.

Nodularia (sec. Cælatura [sic]) aequitoria [sic] — Simpson (1900)
Unio (Nodularia) landanensis — Germain (1907)
Unio (Nodularia) aequatoria — Germain (1907)
Nodularia (Coelatura) landanensis — Kobelt (1910)
Nodularia (sec. Cælatura [sic]) æquatoria — Simpson (1914)
Cælatura [sic] (s.s.) aequatoria — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) aequatoria — Haas (1936), Haas (1969)
Caelatura [sic] aegyptiaca gabonensis — Mandahl-Barth (1988)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010)

Unio (Nodularia) roubaudi Germain, 1907
Germain, 1907. Bull. Mus. Hist. Nat. 13: 429, fig. 28.
(new name for Zairia elegans Rochebrune, 1886)
Type(s): TYPE MNHN_XXX, Mokaka, Lower Congo.

Unio (Nodularia) roubaudi — Germain (1907)
Nodularia (sec. Cælatura [sic]) elegans — Simpson (1914)
Cælatura [sic] (s.s.) elegans — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) elegans — Haas (1936), Haas (1969)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010)

Unio (Nodularia) subnigra Preston, 1909
Preston, 1909. Ann. Mag. Nat. Hist. 4: 89, pl. 4, fig. 5.
(homonym of Unio subniger Lea, 1857; renamed Unio (Nodularia) putzeysi Preston, 1912)
Type(s): HOLOTYPE MRAC_56798, Lower Belgian Congo.

Nodularia subnigra — Simpson (1914)
Cælatura [sic] putzeysi — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) elegans — Haas (1936), Haas (1969)
Caelatura [sic] aegyptiaca gabonensis — Mandahl-Barth (1988)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010)

Unio (Nodularia) putzeysi Preston, 1912
Preston, 1912. Nautilus 26: 70.
(new name for Unio (Nodularia) subnigra Preston, 1909)
Type(s): HOLOTYPE MRAC_56798, Lower Congo.

Cælatura [sic] putzeysi — Pilsbry & Bequaert (1927)
Caelatura [sic] (Zairia) elegans — Haas (1936), Haas (1969)
Caelatura [sic] aegyptiaca gabonensis — Mandahl-Barth (1988)
Coelatura gabonensis — Daget (1998), Graf & Cummings (2006), IUCN (2010)

Unio aequitoria Simpson, 1900
‘Morelet’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 823 [as ‘æquitoria’].
(error for Unio aequatorius Morelet, 1885)

Nodularia (sec. Cælatura [sic]) æquatoria — Simpson (1914)
Coelatura gabonensis — Daget (1998)

Caelatura (Zairia) gabunensis Haas, 1936
‘Küster’ Haas, 1936. Abh. Senckenb. Naturf. Ges. 431: 68.
(error for Unio gabonensis Küster, 1862)

Coelatura gabonensis — Daget (1998)