Monocondylea cambodjensis Petit de la Saussaye, 1865
Petit de la Saussaye, 1865, J. de Conch. 13: 16, pl. 4, fig. 4.
Type(s): SYNTYPES MNHN_MP_0223, Battambang, Cambodge.

Monocondylea cambodjensis — Petit de la Saussaye (1865)
Pseudodon cambojensis — Conrad (1865)
Unio cambodjensis — Sowerby (1867)
Margaron (Monocondylœa) cambodjensis — Lea (1870)
Pseudodon cambodjensis — Morelet (1875), Bogan (2010), IUCN (2011), Pfeiffer & Graf (2013), Pfeiffer & Graf (2015), Zieritz et al. (2016), Lopes-Lima et al. (2017), Bolotov et al. (2017), Konopleva et al. (2017), Razak et al. (2018), Do et al. (2018), Zieritz et al. (2018)
Monocondylea cambodgensis — Morlet (1889)
Pseudodon (s.s.) cambodjensis — Simpson (1900), Preston (1912), Simpson (1914)
Pseudodon (Monodontina) cambodjensis — Haas (1920), Haas (1924), Haas (1969), Graf & Cummings (2007)
Pseudodon cambodjensis cambodjensis — Brandt (1974)
Monodontina cambodjensis — Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Konopleva et al. (2019)

Monocondylaea cambojensis Conrad, 1865
‘Petit’ Conrad, 1865, Amer. J. Conch. 1: 233.
(error for Monocondylea cambodjensis Petit de la Saussaye, 1865)

Monocondylaea cambojensis — Conrad (1865)
Pseudodon (s.s.) cambodjensis — Preston (1912)

Monocondylus orbicularis Morelet, 1866
Morelet, 1866, Rev. Mag. Zool. 18: 167.
Morelet, 1875, Séries Conch. 4: 338, pl. 16, fig. 5 [as ‘Pseudodon’].
Type(s): HOLOTYPE BMNH_93-2-4-1982, Battambang, Siam.

Monocondylus orbicularis — Morelet (1866)
Pseudodon orbicularis — Morelet (1875), Crosse & Fischer (1876)
Pseudodon (sec. Suborbiculus) orbicularis — Simpson (1900), Simpson (1914)
Pseudodon (Monodontina) orbicularis — Haas (1920)
Pseudodon (Monodontina) cambodjensis — Haas (1969)
Pseudodon cambodjensis cambodjensis — Brandt (1974)
Pseudodon cambodjensis — IUCN (2011)

Unio subtrigonus Sowerby, 1867
Sowerby, 1867, Conch. Icon. 16: pl. 58, fig. 292; errata [changed to U. cambojensis Petit’].
Type(s): HOLOTYPE BMNH_1874-12-11-3, Siam.

Unio subtrigonus — Sowerby (1867)
Margaron (Unio) subtrigonus — Lea (1870)
Hyriopsis (s.s.) vagulus — Simpson (1900)
Hyriopsis (s.s.) vagula — Simpson (1914)
Pseudodon (Monodontina) cambodjensis — Haas (1920), Haas (1924), Haas (1969)
Pseudodon cambodjensis cambodjensis — Brandt (1974)
Pseudodon cambodjensis — IUCN (2011)

Unio lamellatus Hanley & Theobald, 1876
Hanley & Theobald, 1876, Conch. Indica: 5, pl. 9, fig. 6.
(misidentified reference to Unio lamellatus Lea, 1838)

Unio lamellatus — Hanley & Theobald (1876)
Unio generosus — Tapparone Canefri (1889)
Hyriopsis (s.s.) vagulus — Simpson (1900)
Hyriopsis (s.s.) vagula — Simpson (1914)
Pseudodon (Monodontina) cambodjensis — Haas (1920), Haas (1969)

Monocondylea cambodgensis Morlet, 1889
‘Petit’ Morlet, 1889, J. de Conch. 37: 165.
(error for Monocondylea cambodjensis Petit de la Saussaye, 1865)

Monocondylea cambodgensis — Morlet (1889)
Pseudodon cambodjensis cambodjensis — Brandt (1974)

Unio vagulus Fischer, 1891
Fischer, 1891, Bull. Soc. Hist. Nat. Autun 4: 223 [139??].

Unio vagulus — Fischer (1891)
Hyriopsis (s.s.) vagulus — Simpson (1900)
Hyriopsis (s.s.) vagula — Simpson (1914)
Pseudodon (Monodontina) cambodjensis — Haas (1920), Haas (1969)
Pseudodon cambodjensis cambodjensis — Brandt (1974)
Pseudodon cambodjensis — IUCN (2011)

Pseudodon cambodjensis tenerrimus Brandt, 1974
Brandt, 1974, Arch. Moll. 105: 270, pl. 20, fig. 29.
(intro'd as intra-sp. of Monocondylea cambodjensis Petit de la Saussaye, 1865)

Pseudodon cambodjensis tenerrimus — Brandt (1974)