Bivalvia | Unionida | Unionoidea | Unionidae | Gonideinae
1 Recent freshwater species (1 total species)
Haas, 1913. Conch. Cab. 9 (pt. 2, h. 48): 169.
(intro'd as sub-gen. of Elongaria Haas, 1911)
Type species: Unio trompi Drouët & Chaper, 1892 (monotypy) = Nannonaia trompi
The Taxonomic History lists the ways authors have classified the species currently assigned to Nannonaia, since 1900.
Nodularia (s.s.) — Simpson (1900), Simpson (1914)
Elongaria (sec. Nannonaia) — Haas (1913), Thiele (1934)
Elongaria (Nannonaia) — Haas (1969), Haas (1969)
Elongaria — Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021), Sahidin et al. (2021), Zieritz et al. (2024)
Nannonaia — Zieritz et al. (2026)