species Nodularia breviconcha Lee, Kim, Bogan & Kondo in Lopes-Lima et al., 2020: synonymy

Unio douglasiae var. sinuolatus Martens, 1905

(homonym of Unio sinuolata Küster, 1833; intro'd as intra-sp. of Unio douglasiae Griffith & Pidgeon, 1833; renamed Nodularia breviconcha Lee, Kim, Bogan & Kondo in Lopes-Lima et al., 2020)
Martens, 1905. Zool. Jb., Jena, Suppl. 8: 57, text fig. c.
TYPE ZMB_55619, Hatanggyoen am Naemingang.

Unio (Nodularia) douglasiae var. sinuolatus — Martens (1905)
Nodularia (s.s.) douglasiae sinuolata — Haas (1911)
Nodularia (s.s.) (Group of N. douglasiæ) douglasiæ var. sinuolata — Simpson (1914)
Unio douglasiae pliculosus — Haas (1930)
Unio douglasiae sinuolatus — Haas (1969), Park & Kwon (1993)
Nodularidia douglasiae — He & Zhuang (2013)
Nodularia douglasiae sinuolatus — Froufe et al. (2016), Klishko et al. (2017)
Nodularia sinuolata — Liu et al. (2017), Klishko et al. (2018)
Nodularia cf. sinuolata — Klishko et al. (2019)
Nodularia breviconcha — Lopes-Lima et al. (2020), Sayenko et al. (2021), Kim et al. (2021)

Nodularia douglasiae nipponensis ‘Martens’ of Authors

(misidentified reference to Unio nipponensis Martens, 1877)
‘Martens’ of Authors.
Sano et al., 2017. J. Wat. Res. Prot. 9: Table 2. [in part]

Nodularia breviconcha Lee, Kim, Bogan & Kondo in Lopes-Lima et al., 2020

(new name for Unio douglasiae var. sinuolatus Martens, 1905)
Lee, Kim, Bogan & Kondo in Lopes-Lima et al., 2020. MPE 146: [5, 23].

Nodularia breviconcha — Lopes-Lima et al. (2020), Choi et al. (2020), Sayenko et al. (2021), Graf & Cummings (2021), Kim et al. (2021), ... Chen et al. (2025), Choi & Lee (2025), Campbell & Lydeard (2026), Wu et al. (2026), Li et al. (2026)

Nodularia douglasiae Klymus et al., 2025

(misidentified reference to Unio douglasiae Griffith & Pidgeon, 1833)
Klymus et al., 2025. mtDNA B 10(6): Table 1.