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Unio superbus Lea, 1843

Lea, 1843. [privately published sheet]: [1].
Lea, 1845. Trans. Amer. Phil. Soc. 9 [O. 4]: 281, pl. 42, fig. 11.
Type(s): LECTOTYPE USNM_83934, New Holland.

Physunio (s.s.) superbus — Simpson (1900), Simpson (1914), Haas (1920), Haas (1969)
Physunio superbus — Brandt (1974), Marwoto (1987), Graf & Cummings (2007), Bogan (2010), IUCN (2011), ... Dai et al. (2024), Zhang et al. (2024), Dai et al. (2025), Dai et al. (2025), Chen et al. (2025)

Unio gravidus Lea, 1856

Lea, 1856. Proc. Acad. Nat. Sci. 8: 93.
Lea, 1857. Jour. Acad. Nat. Sci. 3 [O. 6]: 292 [12], pl. 24, fig. 5.
Type(s): LECTOTYPE USNM_83935, Siam.

Physunio (s.s.) gravidus — Simpson (1900), Preston (1912), Simpson (1914), Haas (1919), Thiele (1934), Haas (1952), Haas (1969)
Physunio (s.s.) superbus — Haas (1969)
Physunio superbus — Brandt (1974), Graf & Cummings (2007), IUCN (2011), Pfeiffer et al. (2021), Graf & Cummings (2021)

Unio velaris Hanley, 1856

‘Benson, MS’ Hanley, 1856. Cat. Rec. Bivalve Shells, Suppl.: 385, pl. 23, fig. 42.

Physunio (s.s.) superbus — Simpson (1900), Simpson (1914), Haas (1920), Haas (1969)
Physunio (sec. Lens) velaris — Preston (1915)
Physunio (Lens) velaris — Prashad (1932)
Physunio superbus — Brandt (1974), Pfeiffer et al. (2021)

Unio abnormis Morelet, 1862

Morelet, 1862. Rev. Mag. Zool. 14: 480.
Type(s): SYNTYPE BMNH_93-2-4-1394, Siam.

Physunio (s.s.) gravidus — Simpson (1900), Preston (1912), Simpson (1914), Haas (1919)
Physunio (s.s.) superbus — Haas (1969)
Physunio superbus — Brandt (1974), IUCN (2011), Pfeiffer et al. (2021)

Physunio eximius van Benthem Jutting, 1953

‘Lea’ of Authors.
van Benthem Jutting, 1953. Treubia 22(1): 43.
Sahidin et al., 2021. AACL Bioflux 14(6): fig. 7.
(misidentified reference to Unio eximius Lea, 1856)

Physunio superbus — Brandt (1974)

Unio superbus Sowerby, 1867

‘Lea’ Sowerby, 1867. Conch. Icon. 16: pl. 59, sp. 295.
(reference to Unio superbus Lea, 1843)

Physunio (s.s.) gravidus — Simpson (1900), Preston (1912), Simpson (1914), Haas (1919)
Physunio superbus — Pfeiffer et al. (2021)