Bivalvia | Unionida | Etherioidea | Mycetopodidae | Monocondylaeinae

genus Monocondylaea d’Orbigny, 1835: synonymy

8 Recent freshwater species (8 total species)

Synonymy

Aplodon Wagner, 1827

(homonym of Rafinesque, 1819 [Gastrop.]; renamed Spixoconcha Pilsbry, 1893)
Spix in Wagner, 1827. Test. Fluv. Brasil.: pl. 25, figs. 1-2.
Type species: Aplodon inerme Spix in Wagner, 1827 (monotypy) = Monocondylaea minuana

Monocondylaea d’Orbigny, 1835

(intro'd as sub-gen. of Unio Retzius, 1788; renamed Monocondylus Morelet, 1866)
d’Orbigny, 1835. Mag. Zool. 5(61-62): 37.
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 (original designation) = Monocondylaea paraguayana

Monocondylea Moricand, 1837

(error for Monocondylaea d’Orbigny, 1835)
Moricand, 1837. Mém. Soc. Phys. Hist. Nat. Genève 8(1): 145.
d’Orbigny, 1846. Voyage dans l’Amérique Méridionale 5(3): 611.
Gray, 1847. Proc. Zool. Soc. London 15: 196.
Herrmannsen, 1849. Ind. Gener. Malacol. 2: 668.
Gould, 1850. Proc. Boston Soc. Nat. Hist. 3: 293.
Hupé, 1857. [in] Castelnau, Anim. Nouv. Rares d’Amer. Sud: 84.
Petit de la Saussaye, 1865. J. de Conch. 13: 15.
Heude, 1875. Conch. Fluv. Nanking (1): pl. 4.
Deshayes & Jullien, 1876. Nouv. Arch. Mus. Hist. Nat. Paris 10: 117.
Morlet, 1889. J. de Conch. 37: 165.
Hoeh et al., 2009. Malacologia 51(2): 310.
Zieritz et al., 2015. J. Zool. Syst. Evol. Res. 53(1): 82.
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Monocondyla Gray, 1840

(error for Monocondylaea d’Orbigny, 1835)
Gray, 1840. Synopt. Cont. Brit. Mus. 42nd ed.: 150.
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Monocondyloea Lea, 1852

(error for Monocondylaea d’Orbigny, 1835)
Lea, 1852. Synopsis Fam. Naiades: 45 [as ‘Monocondylœa’].
Lea, 1859. Proc. Acad. Nat. Sci. 11: 187 [as ‘Monocondylœa’].
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 235 [53] [as ‘Monocondylœa’].
Lea, 1870. Synopsis Fam. Naiades: 73 [as ‘Monocondylœa’].
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Monocondloea Lea, 1862

(error for Monocondylaea d’Orbigny, 1835)
Lea, 1862. Proc. Acad. Nat. Sci. 14: 176 [as ‘Monocondlœa’].
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Monocondylus Morelet, 1866

(new name for Monocondylaea d’Orbigny, 1835)
Morelet, 1866. J. de Conch. 14: 62.
Morelet, 1866. Rev. Mag. Zool. 18: 167.
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Monocondyloia Paetel, 1875

(error for Monocondylaea d’Orbigny, 1835)
Paetel, 1875. Fam. Gatt. Moll.: 128.
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Moncondylaea Clessin, 1876

(error for Monocondylaea d’Orbigny, 1835)
Clessin, 1876. Conchyl. Cab.: 251.
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Spixoconcha Pilsbry, 1893

(new name for Aplodon Wagner, 1827)
Pilsbry, 1893. Nautilus 7: 30.
Type species: Aplodon inerme Spix in Wagner, 1827 = Monocondylaea minuana

Monocondilaea Salisbury, 1948

(error for Monocondylaea d’Orbigny, 1835)
Salisbury, 1948. Zool. Rec. 82: 50.
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Spixioconcha Simone, 2006

(error for Spixoconcha Pilsbry, 1893)
‘Pilsbry’ Simone, 2006. Land. Freshw. Moll. Brazil.: 290.
Type species: Aplodon inerme Spix in Wagner, 1827 = Monocondylaea minuana

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Monocondylaea, since 1900.

Monocondylæa — Simpson (1900), Corsi (1900)
Iheringella — Simpson (1900), Simpson (1914)
Aplodon — Ihering (1910)
Monocondylaea — Simpson (1914), Ortmann (1921), Marshall (1922), Haas (1931), Thiele (1934), ... Guerra et al. (2019), Mansur et al. (2020), Graf & Cummings (2021), Torres et al. (2024), Campbell & Lydeard (2026)
Monocondylea [sic] — Rumi et al. (2008), Hoeh et al. (2009), Zieritz et al. (2015)