Bivalvia | Unionida | Etherioidea | Iridinidae | Iridininae | Mutela
Adanson, 1757. Hist. Nat. Sénégal, Coquillages: 234, pl. 17, fig. 21 [as ‘le mutel’]. [pre-linnaean]
Gmelin, 1791. Syst. Nat. 1(6): 3363, sp. 56.
(renamed Anodonta adansonii Gray, 1825)
Type(s): HOLOTYPE MNHN_UNCATALOGED, “lacs d’eau douce de l’intérieur du Sénégal”.
Mutela (s.s.) dubia — Simpson (1900), Kobelt (1910), Simpson (1914), Pilsbry & Bequaert (1927), Haas (1969), Haas (1969)
Mutela dubia — Thiele (1934), Modell (1942), Franc (1949), Appleton (1979), Van Damme (1984), ... Wu et al. (2023), Wu et al. (2024), Galal-Khallaf et al. (2024), Dai et al. (2025), Chen et al. (2025)
Mutela dubius — Lévèque (1967), Kenmuir (1980)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998), Graf & Cummings (2007)
Mutela dubia nilotica — Ibrahim et al. (1999)
Bruguière, 1797. Encycl. Méth. 2: pl. 204, figs. 1a-b [as Anodontites sp.].
Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 89, sp. 1.
Mutela (s.s.) exotica — Simpson (1900), Kobelt (1904), Kobelt (1910), Simpson (1914)
Mutela exotica — E.A. Smith (1904)
Iridina (s.s.) exotica — Pilsbry & Bequaert (1927), Thiele (1934), Haas (1969), Haas (1969)
Iridina exotica — Modell (1942), Graf (2000)
Mutela dubia var. exotica — Franc (1949)
Mutela dubia — Van Damme (1984)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998)
G.B. Sowerby, 1821. Genera of Shells 2: 40, pl. 90.
Sowerby, 1839. Conch. Man.: 54, fig. 150.
Mutela (s.s.) exotica — Simpson (1900), Simpson (1914)
Mutela exotica — E.A. Smith (1904)
Mutela (s.s.) exotica var. elongata — Kobelt (1910)
Iridina (s.s.) exotica — Pilsbry & Bequaert (1927), Haas (1969)
Mutela dubia — Van Damme (1984)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998)

Cailliaud, 1823. Voyage à Meroe, Atlas 2: pl. 60, fig. 11.
Sowerby, 1824. Zool. Jour. 1: 53, pl. 2.
Type(s): SYNTYPE MNHN_MP_0280, Bahr Yousef, Egypte.
Mutela (s.s.) nilotica — Simpson (1900), Kobelt (1910), Simpson (1914), Pilsbry & Bequaert (1927), Haas (1969)
Mutela nilotica — Pallary (1903), Pallary (1909), Haas (1929), Graf (2000)
Mutela (Mutelina) nilotica — Kobelt (1904)
Mutela exotica — E.A. Smith (1904)
Mutela dubia — Van Damme (1984), Graf & Cummings (2011)
Mutela dubia nilotica — Mandahl-Barth (1988), Daget (1998), Ibrahim et al. (1999), Graf & Cummings (2007), IUCN (2010)
Swainson, 1823. Philos. Mag. & J. 61: 112.
Oken, 1834. Isis (Oken) 27(5): 458.
Mutela (s.s.) exotica — Simpson (1900), Simpson (1914)
Iridina (s.s.) exotica — Pilsbry & Bequaert (1927), Haas (1969)
Mutela dubia — Van Damme (1984)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998)
Gray, 1825. Ann. Phil. 9: 138.
(new name for Mytilus dubius Gmelin, 1791)
Deshayes, 1826. Nouv. Bull. Sci. 1826: 61.
Férussac, 1826. Bull. Sci. Nat. et Géol. 9: 250.
Koenig, 1826. [in] Denham & Clapperton, Narr. Travels Africa, Appendix: 254.
Mutela (s.s.) oudnoei — Pilsbry & Bequaert (1927)
Mutela (s.s.) dubia — Haas (1969)
Adanson, 1757. Hist. Nat. Sénégal, Coquillages: 234, pl. 17, fig. 21 [as ‘le mutel’]. [pre-linnaean]
Rang, 1835. Nouv. Ann. Mus. 4(3): 314.
Mutela (s.s.) dubia — Pilsbry & Bequaert (1927), Haas (1969)
Mutela dubia dubia — Daget (1998)
‘Parreyss in collect.’ Martens, 1866. Malak. Blatt. 13: 10.
Mutela plicata — Pallary (1909)
Mutela (s.s.) plicata — Pilsbry & Bequaert (1927)
Mutela (s.s.) nilotica — Haas (1969)
Mutela dubia — Van Damme (1984)
Mutela dubia nilotica — Mandahl-Barth (1988), Daget (1998), Ibrahim et al. (1999)
Sowerby, 1868. Conch. Icon. 16: pl. 2, sp. 5.
Mutela (s.s.) angustata — Simpson (1900), Kobelt (1910), Pilsbry & Bequaert (1927)
Mutela nilotica var. angustata — Pallary (1909)
Mutela (s.s.) dubia — Simpson (1914), Haas (1969)
Mutela nilotica — Haas (1929)
Mutela dubia var. angustata — Franc (1949)
Mutela dubia — Van Damme (1984)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998)
Mutela dubia nilotica — Ibrahim et al. (1999)

‘Gray?, MS” Sowerby, 1868. Conch. Icon. 16: pl. 2, sp. 3.
(homonym of Spatha (Mutela) plicata ‘Parreyss in collect.’ Martens, 1866)
Type(s): MANUSCRIPT NAME BMNH_46-7-24-18, Syene, Egypt.
Mutela (Pseudomutela) plicata — Simpson (1900), Kobelt (1910), Simpson (1914)
Mutela nilotica — Pallary (1903)
Mutela plicata — Pallary (1909), Pallary (1909)
Pseudomutela plicata — Pallary (1924)
Mutela (s.s.) plicata — Pilsbry & Bequaert (1927)
Mutela dubia nilotica — Daget (1998)
‘Sowerby’ Morgan, 1897. Recherch. origin. Egypte II: 99.
(reference to Iridina elongata G.B. Sowerby, 1821)
Mutela dubia nilotica — Daget (1998)

Martens, 1897. Besch. Weich. Deutsch Ost Afr. 4: 253.
(intro'd as intra-sp. of Iridina nilotica Cailliaud, 1823)
Type(s): SYNTYPES ZMB_108807, Kassenye, Albert Nyanza.
Mutela (s.s.) nilotica var. emini — Simpson (1900), Kobelt (1910), Simpson (1914)
Mutela (s.s.) emini — Pilsbry & Bequaert (1927)
Mutela dubia var. emini — Franc (1949)
Mutela (s.s.) nilotica — Haas (1969)
Mutela dubia — Van Damme (1984), Graf & Cummings (2011)
Mutela dubia emini — Mandahl-Barth (1988), Daget (1998), Graf & Cummings (2007), IUCN (2010)

Germain, 1904. Bull. Mus. Nation. Hist. Natur. 10: 469.
Germain, 1907. L’Afrique Centrale Française: 566, lithograph, fig. 1.
Type(s): HOLOTYPE MNHN_MP_0203, Haut Oubangui.
Mutela (s.s.) chevalieri — Kobelt (1910), Pilsbry & Bequaert (1927)
Mutela (s.s.) dubia — Haas (1969)
Mutela dubia — Van Damme (1984), IUCN (2010), Graf & Cummings (2011)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998)

Germain, 1906. Bull. Mus. Nation. Hist. Natur. 12: 174.
(intro'd as intra-sp. of Iridina angustata Sowerby, 1868)
Type(s): SYNTYPES MNHN_MP_0197, Lac Tchad.
Mutela (s.s.) dubia var. curta — Simpson (1914)
Mutela (s.s.) angustata var. curta — Pilsbry & Bequaert (1927)
Mutela (s.s.) dubia — Haas (1969)
Mutela dubia — Van Damme (1984)
Mutela dubia dubia — Daget (1998)
Mutela dubia nilotica — Ibrahim et al. (1999)

Germain, 1906. Bull. Mus. Nation. Hist. Natur. 12: 56, Abb. 1.
(intro'd as intra-sp. of Iridina angustata Sowerby, 1868)
Type(s): SYNTYPES MNHN_MP_0292, Lac Chad.
Mutela (s.s.) dubia var. ponderosa — Simpson (1914)
Mutela (s.s.) angustata var. ponderosa — Pilsbry & Bequaert (1927)
Mutela (s.s.) dubia — Haas (1969)
Mutela dubia — Van Damme (1984)
Mutela dubia dubia — Daget (1998)
Germain, 1906. Bull. Mus. Nation. Hist. Natur. 12: 57, fig. 2.
Pleiodon (Cameronia) hardeleti — Simpson (1914)
Iridina (s.s.) hardeleti — Pilsbry & Bequaert (1927)
Iridina (s.s.) exotica — Haas (1969)
Mutela dubia — Van Damme (1984)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998)

Germain, 1906. Bull. Mus. Nation. Hist. Natur. 12: 60, fig. 4.
Type(s): HOLOTYPE MNHN_MP_0301, Lac Tchad.
Pleiodon (Cameronia) tchadiensis — Simpson (1914)
Iridina (s.s.) tchadiensis — Pilsbry & Bequaert (1927)
Iridina (s.s.) exotica — Haas (1969)
Mutela dubia — Van Damme (1984), Graf & Cummings (2011)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998)

Germain, 1906. Bull. Mus. Nation. Hist. Natur. 12: 58, Abb. 3.
(intro'd as intra-sp. of Pliodon (Cameronia) hardeleti Germain, 1906)
Type(s): HOLOTYPE MNHN_MP_0225, Lac Tchad.
Pleiodon (Cameronia) hardeleti var. molli — Simpson (1914)
Iridina (s.s.) hardeleti var. molli — Pilsbry & Bequaert (1927)
Iridina (s.s.) exotica — Haas (1969)
Mutela dubia dubia — Daget (1998)

Germain, 1907. Bull. Mus. Nation. Hist. Natur. 13: 67.
Germain, 1907. L’Afrique Centrale Française: 569, fig. 96.
Type(s): HOLOTYPE MNHN_MP_0245, Fleuve Faleme, Senegal.
Mutelina falemeensis — Germain (1907)
Mutela (s.s.) falemeensis — Simpson (1914), Pilsbry & Bequaert (1927)
Mutela (s.s.) dubia — Haas (1969)
Mutela rostrata — Van Damme (1984), Mandahl-Barth (1988), Ibrahim et al. (1999)
Mutela dubia dubia — Daget (1998)
Mutela dubia — Graf & Cummings (2011)
Germain, 1907. Bull. Mus. Nation. Hist. Natur. 13: 68.
(intro'd as intra-sp. of Mutelina mabilli Rochebrune, 1886)
Mutelina mabillei [sic] variété frasi — Germain (1907)
Mutela (s.s.) mabilli var. frasi — Simpson (1914), Pilsbry & Bequaert (1927)
Mutela (s.s.) dubia — Haas (1969)
Mutela rostrata — Van Damme (1984)
Mutela dubia dubia — Daget (1998)
Germain, 1917. Bull. Mus. Nation. Hist. Natur. 23: 520.
(intro'd as intra-sp. of Iridina angustata Sowerby, 1868)
Mutela dubia dubia — Daget (1998)

Pallary, 1924. Mém. Inst. Égypte 7 (n.s.): 53, pl. 4, fig. 17.
Type(s): UNKNOWN UMMZ_111999, Canal Mahmoudich, Egypt.
Mutelina singularis — Pallary (1924)
Mutela (s.s.) singularis — Pilsbry & Bequaert (1927)
Mutela (s.s.) nilotica — Haas (1969)
Mutela dubia — Van Damme (1984), Graf & Cummings (2011)
Mutela dubia nilotica — Mandahl-Barth (1988), Daget (1998), Ibrahim et al. (1999), Graf & Cummings (2007)
Mutela singularis — Ibrahim et al. (1999)

Pilsbry & Bequaert, 1927. Bull. AMNH 53: 431, pl. 40, figs. 1-2.
Type(s): HOLOTYPE (ORIG. DESIG.) AMNH_72067, Middle Garambe River, Belgian Congo (Zaire), Africa.
Mutela (s.s.) garambae — Pilsbry & Bequaert (1927)
Mutela nilotica — Haas (1929)
Mutela (s.s.) dubia — Haas (1969)
Mutela dubia — Van Damme (1984), Graf & Cummings (2011)
Mutela dubia garambae — Mandahl-Barth (1988), Daget (1998), Graf & Cummings (2007), IUCN (2010)

Pilsbry & Bequaert, 1927. Bull. AMNH 53: 432, pl. 40, fig. 3 [as ‘prætenuis’].
(intro'd as intra-sp. of Mutela (s.s.) garambae Pilsbry & Bequaert, 1927)
Type(s): HOLOTYPE (ORIG. DESIG.) AMNH_72066, Aba River, Africa.
Mutela (s.s.) garambae praetenuis — Pilsbry & Bequaert (1927)
Mutela nilotica — Haas (1929)
Mutela (s.s.) dubia — Haas (1969)
Mutela dubia garambae — Mandahl-Barth (1988), Daget (1998)

Odei, 1974. Rev. Zool. Afr. 88(2): 446, figs. 1-4.
Type(s): PARATYPES MRAC_799163, Ghana: lac Volta, Zikpo.
Mutela dubia dubia — Daget (1998)

in MNHN Coll. of Authors.
Type(s): MANUSCRIPT NAME MNHN_MP_0577, [no locality available - Africa].
Humphrey, 1797. Mus. Col.: 59. [nomen nudum]
‘Parr.’ Martens, 1866. Malak. Blatt. 13: 10.
(intro'd as syn of Iridina nilotica Cailliaud, 1823)
‘Bourguignat’ Jousseaume, 1886. Bull. Soc. Zool. France 11: 488.
(reference to Anodonta adansonii Gray, 1825)
Mutela (s.s.) dubia — Pilsbry & Bequaert (1927)
Servain, 1890. Bull. Soc. Malac. France 7: 303. [nomen nudum]
Servain, 1890. Bull. Soc. Malac. France 7: 303. [nomen nudum]
Servain, 1890. Bull. Soc. Malac. France 7: 303. [nomen nudum]
Servain, 1890. Bull. Soc. Malac. France 7: 303. [nomen nudum]
‘Germain’ Jaeckel, 1972. Zeitschr. f. Geomorphol. 16: 225.
(error for Pliodon (Cameronia) tchadiensis Germain, 1906)
Mutela dubia dubia — Daget (1998)
Mutela (s.s.) exotica — Simpson (1900), Kobelt (1904), Kobelt (1910), Simpson (1914)
Mutela (s.s.) dubia — Simpson (1900), Kobelt (1910), Simpson (1914), Pilsbry & Bequaert (1927), Haas (1969), Haas (1969)
Mutela (s.s.) nilotica — Simpson (1900), Kobelt (1910), Simpson (1914), Pilsbry & Bequaert (1927), Haas (1969)
Mutela (s.s.) nilotica var. emini — Simpson (1900), Kobelt (1910), Simpson (1914)
Mutela (s.s.) angustata — Simpson (1900), Kobelt (1910), Pilsbry & Bequaert (1927)
Mutela (Pseudomutela) plicata — Simpson (1900), Kobelt (1910), Simpson (1914)
Mutela nilotica — Pallary (1903), Pallary (1909), Haas (1929), Graf (2000)
Mutela (Mutelina) nilotica — Kobelt (1904)
Mutela exotica — E.A. Smith (1904)
Mutelina falemeensis — Germain (1907)
Mutelina mabillei [sic] variété frasi — Germain (1907)
Mutela nilotica var. angustata — Pallary (1909)
Mutela plicata — Pallary (1909), Pallary (1909)
Mutela (s.s.) chevalieri — Kobelt (1910), Pilsbry & Bequaert (1927)
Mutela (s.s.) exotica var. elongata — Kobelt (1910)
Mutela (s.s.) dubia var. curta — Simpson (1914)
Mutela (s.s.) dubia var. ponderosa — Simpson (1914)
Mutela (s.s.) mabilli var. frasi — Simpson (1914), Pilsbry & Bequaert (1927)
Mutela (s.s.) falemeensis — Simpson (1914), Pilsbry & Bequaert (1927)
Pleiodon (Cameronia) tchadiensis — Simpson (1914)
Pleiodon (Cameronia) hardeleti — Simpson (1914)
Pleiodon (Cameronia) hardeleti var. molli — Simpson (1914)
Pseudomutela plicata — Pallary (1924)
Mutelina singularis — Pallary (1924)
Mutela (s.s.) garambae — Pilsbry & Bequaert (1927)
Mutela (s.s.) garambae praetenuis — Pilsbry & Bequaert (1927)
Mutela (s.s.) emini — Pilsbry & Bequaert (1927)
Mutela (s.s.) angustata var. curta — Pilsbry & Bequaert (1927)
Mutela (s.s.) angustata var. ponderosa — Pilsbry & Bequaert (1927)
Mutela (s.s.) oudnoei — Pilsbry & Bequaert (1927)
Mutela (s.s.) plicata — Pilsbry & Bequaert (1927)
Mutela (s.s.) singularis — Pilsbry & Bequaert (1927)
Iridina (s.s.) exotica — Pilsbry & Bequaert (1927), Thiele (1934), Haas (1969), Haas (1969)
Iridina (s.s.) hardeleti — Pilsbry & Bequaert (1927)
Iridina (s.s.) hardeleti var. molli — Pilsbry & Bequaert (1927)
Iridina (s.s.) tchadiensis — Pilsbry & Bequaert (1927)
Mutela dubia — Thiele (1934), Modell (1942), Franc (1949), Appleton (1979), Van Damme (1984), ... Wu et al. (2023), Wu et al. (2024), Galal-Khallaf et al. (2024), Dai et al. (2025), Chen et al. (2025)
Iridina exotica — Modell (1942), Graf (2000)
Mutela dubia var. angustata — Franc (1949)
Mutela dubia var. emini — Franc (1949)
Mutela dubia var. exotica — Franc (1949)
Mutela dubius — Lévèque (1967), Kenmuir (1980)
Mutela rostrata — Van Damme (1984), Mandahl-Barth (1988), Ibrahim et al. (1999)
Mutela dubia dubia — Mandahl-Barth (1988), Daget (1998), Graf & Cummings (2007)
Mutela dubia nilotica — Mandahl-Barth (1988), Daget (1998), Ibrahim et al. (1999), Graf & Cummings (2007), IUCN (2010)
Mutela dubia emini — Mandahl-Barth (1988), Daget (1998), Graf & Cummings (2007), IUCN (2010)
Mutela dubia garambae — Mandahl-Barth (1988), Daget (1998), Graf & Cummings (2007), IUCN (2010)
Mutela singularis — Ibrahim et al. (1999)