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_IM-2000-34622, Battambang, Cambodge.

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)
Pseudodon cambodjensis — Bogan (2010), IUCN (2011), Pfeiffer & Graf (2013), Pfeiffer & Graf (2015), Zieritz et al. (2016), ... Dai et al. (2025), Konopleva et al. (2025), Jeratthitikul et al. (2025), Chen et al. (2025), Campbell & Lydeard (2026)
Monodontina cambodjensis — Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020), Ng et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021), Wu et al. (2021), Wu et al. (2021), Konopleva et al. (2023), Dai et al. (2023)
Monodontina cambodiensis [sic] — Konopleva et al. (2021), Jeratthitikul et al. (2021)

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): FIGURED SYNTYPE BMNH_93-2-4-1982, Battambang, Siam.

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), Bolotov et al. (2023), Jeratthitikul et al. (2025)
Monodontina cambodjensis — Bolotov et al. (2020)

Pseudodon cambodjensis Pfeiffer & Graf, 2013
‘Petit’ of Authors.
Pfeiffer & Graf, 2013. J. Moll. Studies 79: 251.
Pfeiffer & Graf, 2015. Zool. J. Linn. Soc. 175(2): 310.
Zieritz et al., 2016. Sci. Total Environ. 571: 1071.
Bolotov et al., 2017. Sci. Repts. 7: Table S1.
Bolotov et al., 2017. Sci. Repts. 7: Table S1 [as ‘Monodontina cambodjensis’].
Lopes-Lima et al., 2017. MPE 106: 177.
Konopleva et al., 2017. Systemat. Biodiv. 15(3): 207.
Bolotov et al., 2018. Sci. Repts. 8: Table S1 [as ‘Monodontina cambodjensis’].
Razak et al., 2018. Conserv. Genet. Resour. 11: 459.
Huang et al., 2019. MPE 130: Table S4 [as ‘Monodontina cambodjensis’].
Konopleva et al., 2019. Sci. Repts. 9: Table S1 [as ‘Monodontina cambodjensis’].
Bolotov et al., 2020. Sci. Repts. 10: Table S1 [as ‘Monodontina cambodiensis’ (sic)].
Konopleva et al., 2021. Sci. Repts. 11: Table S1 [as ‘Monodontina cambodiensis’ (sic)].
Jeratthitikul et al., 2021. Eur. J. Taxonomy 775: 123 [as ‘Monodontina cambodiensis’ (sic)].
Pfeiffer et al., 2021. Invert. Syst. 35: 453 [as ‘Monodontina cambodjensis’].
Wu et al., 2021. ZooKeys 1054: 87 [as ‘Monodontina cambodjensis’].
Wu et al., 2021. J. Lake Sci. 33(6): attached Table 1.
Konopleva et al., 2023. Diversity 15(1), 10: Table S2 [as ‘Monodontina cambodjensis’].
Dai et al., 2023. Invert. Syst. 37(2): Table 1 [as ‘Monodontina cambodjensis’].
Dai et al., 2024. Zoosyst. Evol. 100(4): Table 2.
Dai et al., 2025. Zoosyst. Evol. 101(2): Table 1.
(reference to Monocondylea cambodjensis Petit de la Saussaye, 1865)
Type(s): SEQUENCED SPECIMEN UMMZ_304350, Pursat River, just downstream (north) of Highway 5 bridge, Pursat City, Cambodia.

Pseudodon vagulus — Bolotov et al. (2023)
Pseudodon cambodjensis — Jeratthitikul et al. (2025)

Monodontina cambodiensis Bolotov et al., 2020
‘Petit’ of Authors.
Bolotov et al., 2020. Sci. Repts. 10: Table S1.
Konopleva et al., 2021. Sci. Repts. 11: Table S1.
Jeratthitikul et al., 2021. Eur. J. Taxonomy 775: 123.
(error for Monocondylea cambodjensis Petit de la Saussaye, 1865)

Pseudodon vagulus Bolotov et al., 2023
‘Fischer’ of Authors.
Bolotov et al., 2023. Water 15: Dataset S1.
Jeratthitikul et al., 2024. Zoosyst. Evol. 100(4): Table S1.
Zieritz et al., 2024. Zool. J. Linn. Soc. 201, zlae076: Table S4.
Jeratthitikul et al., 2025. ZooKeys 1224: Table S1.
Konopleva et al., 2025. Ecologica Montenegrina 88: Supplementary Dataset 1.
(misidentified reference to Unio vagulus Fischer, 1891)

Pseudodon cambodjensis — Jeratthitikul et al. (2025)

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

Pseudodon (s.s.) cambodjensis — Preston (1912)

Unio lamellatus Hanley & Theobald, 1870
Hanley & Theobald, 1870. Conch. Indica (1): 5, pl. 9, fig. 6.
(misidentified reference to Unio lamellatus Lea, 1838)

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)

Pseudodon cambodjensis cambodjensis — Brandt (1974)