Bivalvia | Unionida | Unionoidea | Unionidae | Parreysiinae | Parreysiini | Assamnaia
2 specimens + 3 Genbank vouchers

‘Benson, MS’ Hanley, 1856. Illustr. Descr. Cat. Rec. Bivalve Shells: 385, pl. 23, fig. 19.
Type(s): HOLOTYPE BMNH_1968656, Assam.
Nodularia (s.s.) involuta — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Indonaia olivaria — Haas (1969)
Parreysia (Radiatula) involutus — Subba Rao (1989)
Parreysia (Radiatula) involuta — Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia involuta — Bogan (2010), IUCN (2010)
Indonaia involuta — Graf & Cummings (2021)
Indonaia (involuta-group) involuta — Bolotov et al. (2022)
Assamnaia involuta — Bolotov et al. (2024)
Nodularia (s.s.) involuta — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Indonaia olivaria — Haas (1969)
Parreysia (Radiatula) involutus — Subba Rao (1989)
Parreysia (Radiatula) involuta — Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia involuta — Bogan (2010), IUCN (2010)
Indonaia involuta — Graf & Cummings (2021)
Indonaia (involuta-group) involuta — Bolotov et al. (2022)
Assamnaia involuta — Bolotov et al. (2024)