Lampsilis argyratus Rafinesque, 1831
Rafinesque, 1831. Continuation: 7.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 84.

— Simpson (1900)
Lampsilis argyratus — Simpson (1914)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)

Unio caeruleus Lea, 1831
Lea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 95 [105], pl. 13, fig. 25 [as ‘cæruleus’].
Type(s): HOLOTYPE USNM_85193, Bengal, India.

Nodularia (s.s.) cærulea — Simpson (1900)
Nodularia (s.s.) caerulea — Preston (1912), Simpson (1914)
Nodularia (s.s.) caeruleus — Preston (1915)
Indonaia caerulea — Prashad (1922), Haas (1969), Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), ... Bolotov et al. (2022), Bolotov et al. (2022), Imsong & Murali (2023), Bolotov et al. (2024), Campbell & Lydeard (2026)
Indonaia caeruleus — Srinivasa Rao (1928)
Nannonaia caerulea — Modell (1942)
Parreysia (Radiatula) caerulea — Subba Rao (1989), Nazneen & Begum (1994), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Radiatula (Indonaia) caerulea — Nesemann et al. (2003)
Radiatula caerulea — Nesemann et al. (2007), Zieritz et al. (2018), Pfeiffer et al. (2018), Pfeiffer et al. (2019)
Nodularia caeruleus — Burdi et al. (2009)
Parreysia caerulea — Bogan (2010), IUCN (2010)
Radiatula aff. caerulea — Bolotov et al. (2017)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022), Bolotov et al. (2024)

Unio coeruleus Lea, 1836
‘Lea’ of Authors.
Lea, 1836. Synopsis Fam. Naiades: 26.
Lea, 1838. Synopsis Fam. Naiades: 20.
Lea, 1852. Synopsis Fam. Naiades: 30 [as ‘cœruleus’].
Küster, 1861. Conchyl. Cab. 9(2): 228.
Connolly, 1925. Rec. Albany Mus. 3: [5].
(error for Unio caeruleus Lea, 1831)

Unio gaudichaudii Eydoux, 1838
Eydoux, 1838. Mag. Zool. 8: 190, pl. 59, fig. 3.

Nodularia (s.s.) gaudichaudi — Simpson (1900), Simpson (1914)
Nodularia (s.s.) caerulea var. gaudichaudi — Preston (1912)
Nodularia (s.s.) caeruleus var. gaudichaudi — Preston (1915)
Indonaia caerulea — Haas (1969)
Parreysia (Radiatula) caerulea gaudichaudi — Subba Rao (1989)
Parreysia (Radiatula) caerulea var. gaudichaudi — Ramakrishna & Dey (2007)
Radiatula gaudichaudi — Nesemann et al. (2007)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)

Unio gerbidoni Eydoux, 1838
Eydoux, 1838. Mag. Zool. 8: 189, pl. 59, figs. 2-2b.

Nodularia (s.s.) cærulea — Simpson (1900)
Nodularia (s.s.) caerulea — Preston (1912), Simpson (1914)
Nodularia (s.s.) caeruleus — Preston (1915)
Indonaia caerulea — Haas (1969)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)

Unio keraudreni Eydoux, 1838
Eydoux, 1838. Mag. Zool. 8: 188, pl. 59, figs. 1-1a.

Nodularia (s.s.) keraudreni — Simpson (1900), Simpson (1914)
Nodularia (s.s.) caerulea var. keraudreni — Preston (1912)
Nodularia (s.s.) caeruleus var. keraudreni — Preston (1915)
Indonaia caerulea — Haas (1969)
Parreysia (Radiatula) caerulea keraudreni — Subba Rao (1989)
Radiatula keraudreni — Nesemann et al. (2007)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)

Unio nuttallianus Lea, 1856
Lea, 1856. Proc. Acad. Nat. Sci. 8: 103.
Lea, 1857. Jour. Acad. Nat. Sci. 3 [O. 6]: 310 [30], pl. 30, fig. 25.
Type(s): HOLOTYPE USNM_85201, India.

Nodularia (s.s.) nuttalliana — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Indonaia olivaria — Haas (1969)
Parreysia (Radiatula) nuttalliana — Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia nuttalliana — Bogan (2010)
Parreysia nuttallianus — IUCN (2010)
Radiatula nuttalliana — Zieritz et al. (2018)
Indonaia nuttalliana — Graf & Cummings (2021)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)

Unio evitatus Lea, 1866
Lea, 1866. Proc. Acad. Nat. Sci. 18: 133.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 279, pl. 38, fig. 92.
Type(s): HOLOTYPE USNM_85191, Bengal.

Nodularia (s.s.) cærulea — Simpson (1900)
Nodularia (s.s.) caerulea — Preston (1912), Simpson (1914)
Nodularia (s.s.) caeruleus — Preston (1915)
Indonaia caerulea — Haas (1969)
Indonaia (caerulea-group) caerulea — Bolotov et al. (2022)

Unio trirostris Sowerby, 1868
‘Benson’ Sowerby, 1868. Conch. Icon. 16: pl. 65, sp. 331; errata.
(homonym of Unio trirostris Musgrave, 1863)

Nodularia (s.s.) cærulea — Simpson (1900)
Nodularia (s.s.) caerulea — Preston (1912), Simpson (1914)
Nodularia (s.s.) caeruleus — Preston (1915)
Indonaia caerulea — Haas (1969)

Margaron (Unio) guadechaudii Lea, 1852
‘Eyd.’ Lea, 1852. Synopsis Fam. Naiades: 32.
‘Eyd.’ Lea, 1870. Synopsis Fam. Naiades: 50.
(error for Unio gaudichaudii Eydoux, 1838)

Unio corrianus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 229, pl. 77, fig. 5.
(misidentified reference to Unio corrianus Lea, 1834)

Nodularia (s.s.) cærulea — Simpson (1900)
Nodularia (s.s.) caerulea — Preston (1912), Simpson (1914)
Nodularia (s.s.) caeruleus — Preston (1915)

Margaron (Unio) cristatus Preston, 1915
‘Lea’ Preston, 1915. Fauna Brit. India: 136.
(error for Unio evitatus Lea, 1866)

Unio nuttaliana Subba Rao, 1989
Subba Rao, 1989. Freshw. Moll. India: figs. 428-429 caption.
(error for Unio nuttallianus Lea, 1856)

Unio crassus Shafiullah et al., 2017
Shafiullah et al., 2017. JBES 10(6): 323.
(misidentified reference to Unio crassus Retzius, 1788)

Indonaia caerulea — Bolotov et al. (2024)