Page last updated
Wed 1 October 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

Bivalvia | Unionoida | Unionoidea | Unionidae | Parreysiinae | Indochinellini

genus Indonaia Prashad, 1918: synonymy
     12 Recent freshwater species (12 total species)

Taxonomic History (since 1900)

Parreysia (s.s.) — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Lampsilis — Simpson (1900), Simpson (1914)
Nodularia (s.s.) — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Trapezoideus — Preston (1912), Simpson (1914), Haas (1919), Annandale & Prashad (1921), Prashad (1922), ... Ramakrishna & Dey (2007), IUCN (2010), He & Zhuang (2013), Bolotov et al. (2017), Huang et al. (2019)
Nodularia (Radiatula) — Preston (1912)
Nodularia (sec. Radiatula) — Simpson (1914), Preston (1915)
Indonaia — Annandale & Prashad (1921), Prashad (1922), Srinivasa Rao (1928), Haas (1969), Brandt (1974), ... Konopleva et al. (2023), Chen et al. (2023), Bolotov et al. (2024), Bolotov et al. (2024), Dai et al. (2025)
Parreysia — Prashad (1922), Prashad (1932), Haas (1969), Graf & Cummings (2006), Graf & Cummings (2007), Bogan (2010), IUCN (2010), IUCN (2011), IUCN (2012), IUCN (2014), Graf & Cummings (2021)
Diplasma — Frierson (1927), Modell (1942)
Nannonaia — Modell (1942)
Ensidens (Uniandra) — Haas (1969)
Radiatula — Haas (1969), Nesemann et al. (2003), Nesemann et al. (2007), Whelan et al. (2011), Pfeiffer & Graf (2015), ... Konopleva et al. (2019), Jeratthitikul et al. (2019), Ortiz-Sepulveda et al. (2020), Graf & Cummings (2021), Pfeiffer et al. (2021)
Parreysia (Radiatula) — Subba Rao (1989), Nazneen & Begum (1994), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Radiatula (Indonaia) — Nesemann et al. (2003)
Contradens — Graf & Cummings (2007), Zieritz et al. (2018), Konopleva et al. (2019), Graf & Cummings (2021)
Nodularia — Burdi et al. (2009)
Uniandra — Bogan (2010), IUCN (2012)
Indonaia (caerulea-group) — Bolotov et al. (2022), Bolotov et al. (2024)
Indonaia (involuta-group) — Bolotov et al. (2022)
Indonaia (cylindrica-group) — Bolotov et al. (2022), Bolotov et al. (2024)