Bivalvia | Unionida | Unionoidea | Unionidae | Parreysiinae | Indochinellini | Indonaia
25 specimens + 43 GenBank vouchers
‘Benson, MS’ Hanley, 1856. Illustr. Descr. Cat. Rec. Bivalve Shells: 386, pl. 23, fig. 43.
Parreysia (s.s.) corbis — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia corbis — Prashad (1932), Haas (1969), Bogan (2010), IUCN (2010), Graf & Cummings (2021)
Indonaia (cylindrica-group) gratiosa — Bolotov et al. (2022)
Indonaia (caerulea-group) corbis — Bolotov et al. (2024)

Benson, 1862. Ann. Mag. Nat. Hist. 10: 186.
Type(s): TYPE BMNH_MP_431, Assam.
Nodularia (s.s.) pachysoma — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Indonaia pachysoma — Prashad (1922), Graf & Cummings (2021)
Indonaia caerulea — Haas (1969)
Parreysia (Radiatula) pachysoma — Subba Rao (1989), Nazneen & Begum (1994), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Radiatula (Indonaia) pachysoma — Nesemann et al. (2003)
Radiatula pachysoma — Nesemann et al. (2007), Zieritz et al. (2018)
Nodularia pachysoma — Burdi et al. (2009)
Parreysia pachysoma — Bogan (2010), IUCN (2010)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)
Indonaia (caerulea-group) corbis — Bolotov et al. (2024)
Prashad in Annandale & Prashad, 1921. Rec. Ind. Mus. 22: 611, figs. 30-31a,b.
Trapezoideus dhanushori — Annandale & Prashad (1921)
Trapezoideus misellus — Haas (1969)
Trapezoideus exolescens exolescens — Brandt (1974), Subba Rao (1989), Ramakrishna & Dey (2007)
Trapezoideus exolescens — IUCN (2010), He & Zhuang (2013)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)
Indonaia (caerulea-group) corbis — Bolotov et al. (2024)
‘Bens.’ Paetel, 1890. Cat. Conch.-Samml. 3: 162.
(error for Unio pachysoma Benson, 1862)
Nodularia (s.s.) pachysoma — Simpson (1900), Preston (1915)
Imsong & Murali, 2023. Uttar Pradesh J. Zool. 44(20): 32, fig. 1F.
(misidentified reference to Unio caeruleus Lea, 1831)
Indonaia (caerulea-group) corbis — Bolotov et al. (2024)
Imsong & Murali, 2023. Uttar Pradesh J. Zool. 44(20): 32, fig. 1E.
(misidentified reference to Unio misellus var. subclathratus Martens, 1899)
Indonaia (caerulea-group) corbis — Bolotov et al. (2024)
Parreysia (s.s.) corbis — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Nodularia (s.s.) pachysoma — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Trapezoideus dhanushori — Annandale & Prashad (1921)
Indonaia pachysoma — Prashad (1922), Graf & Cummings (2021)
Parreysia corbis — Prashad (1932), Haas (1969), Bogan (2010), IUCN (2010), Graf & Cummings (2021)
Indonaia caerulea — Haas (1969), Imsong & Murali (2023)
Trapezoideus misellus — Haas (1969)
Trapezoideus exolescens exolescens — Brandt (1974), Subba Rao (1989), Ramakrishna & Dey (2007)
Parreysia (Radiatula) pachysoma — Subba Rao (1989), Nazneen & Begum (1994), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Radiatula (Indonaia) pachysoma — Nesemann et al. (2003)
Radiatula pachysoma — Nesemann et al. (2007), Zieritz et al. (2018)
Nodularia pachysoma — Burdi et al. (2009)
Parreysia pachysoma — Bogan (2010), IUCN (2010)
Trapezoideus exolescens — IUCN (2010), He & Zhuang (2013)
Indonaia (cylindrica-group) gratiosa — Bolotov et al. (2022)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)
Indonaia subclathrata — Imsong & Murali (2023)
Indonaia (caerulea-group) corbis — Bolotov et al. (2024)