Bivalvia | Unionida | Unionoidea | Unionidae | Parreysiinae | Lamellidentini
6 Recent freshwater species (6 total species)
Bolotov, Vikhrev et Konopleva in Bolotov et al., 2017. Sci. Repts. 7: 7.
Type species: Unio exolescens Gould, 1843 (orig. desig.) = Trapezidens exolescens
The Taxonomic History lists the ways authors have classified the species currently assigned to Trapezidens, since 1900.
Trapezoideus — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Haas (1919), ... Pfeiffer & Graf (2015), Kongim et al. (2015), Lopes-Lima et al. (2017), Zieritz et al. (2018), Do et al. (2018)
Lamellidens (s.s.) — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Lamellidens — Prashad (1922), Haas (1969), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007), ... Bolotov et al. (2017), Konopleva et al. (2017), Bolotov et al. (2017), Zieritz et al. (2018), Bolotov et al. (2022)
Trapezidens — Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Jeratthitikul et al. (2019), Konopleva et al. (2020), ... Konopleva et al. (2023), Bolotov et al. (2024), Dai et al. (2024), Dai et al. (2024), Dai et al. (2026)