Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Rectidentini | Contradentina | Physunio
19 specimens + 2 GenBank vouchers

Morelet, 1864. J. de Conch. 12: 288.
Morelet, 1875. Séries Conch. 4: 348, pl. 15, fig. 1 [2].
Type(s): HOLOTYPE BMNH_93-2-4-1590, Cochin China.
Physunio (s.s.) superbus — Simpson (1900), Simpson (1914), Haas (1920), Haas (1969)
Physunio superbus — Brandt (1974), IUCN (2011)
Physunio massini — Pfeiffer et al. (2021), Konopleva et al. (2023), Campbell & Lydeard (2026)
Fischer & Dautzenberg, 1904. Mission Pavie 3: 438.
(error for Unio massini Morelet, 1864)
Physunio (s.s.) superbus — Haas (1920), Haas (1969)
Physunio superbus — Brandt (1974)
Physunio (s.s.) superbus — Simpson (1900), Simpson (1914), Haas (1920), Haas (1969)
Physunio superbus — Brandt (1974), IUCN (2011)
Physunio massini — Pfeiffer et al. (2021), Konopleva et al. (2023), Campbell & Lydeard (2026)