Bivalvia | Unionida | Unionoidea | Unionidae | Gonideinae | Lamprotulini | Pronodularia
66 specimens + 45 GenBank vouchers

Lea, 1859. Proc. Acad. Nat. Sci. 11: 153.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 244, pl. 36, fig. 123.
Type(s): LECTOTYPE BMNH_1965181 (by R.I. Johnson, 1971: 85), Japan.
Nodularia (s.s.) japanensis — Simpson (1900), Simpson (1914)
Nodularia (s.s.) japanensis japanensis — Haas (1911)
Inversidens japanensis — Kira (1954), Kira (1959), Kuroda (1963), Habe (1977), Kondo (1982), ... Kongim et al. (2015), Mitchell et al. (2016), Guerra et al. (2017), Amaro et al. (2017), Bogatov & Prozorova (2017)
Unio japonensis [sic] — Zhadin (1965)
Inversidens japanensis japanensis — Haas (1969)
Pronodularia japanensis — Starobogatov (1970), Moskvicheva & Starobogatov (1973), Kondo et al. (2007), Kondo (2008), Shirai et al. (2010), ... Dai et al. (2025), Chen et al. (2025), Chen et al. (2025), Chen et al. (2025), Campbell & Lydeard (2026)
Inversidena [sic] japanensis — Habe (1991)
Unio japanensis — Huang et al. (2013), Burzynski et al. (2017)
“Unio” japanensis — Zhou et al. (2016)
Pronodluaria [sic] japanensis — Wu et al. (2016), Wu et al. (2018)
Pronodularia cf. japanensis — Lopes-Lima et al. (2020)
‘Lea’ of Authors.
Lopes-Lima et al., 2020. MPE 146: fig. 16 [as ‘Pronodularia cf. japanensis 3]. [in part]
(reference to Unio japanensis Lea, 1859)
Pronodularia japanensis — Kondo (2023)
‘Lea’ Zhadin, 1965. Moll. USSR: 246.
(error for Unio japanensis Lea, 1859)
Nodularia (s.s.) japanensis — Simpson (1900), Simpson (1914)
Nodularia (s.s.) japanensis japanensis — Haas (1911)
Inversidens japanensis — Kira (1954), Kira (1959), Kuroda (1963), Habe (1977), Kondo (1982), ... Kongim et al. (2015), Mitchell et al. (2016), Guerra et al. (2017), Amaro et al. (2017), Bogatov & Prozorova (2017)
Unio japonensis [sic] — Zhadin (1965)
Inversidens japanensis japanensis — Haas (1969)
Pronodularia japanensis — Starobogatov (1970), Moskvicheva & Starobogatov (1973), Kondo et al. (2007), Kondo (2008), Shirai et al. (2010), ... Dai et al. (2025), Chen et al. (2025), Chen et al. (2025), Chen et al. (2025), Campbell & Lydeard (2026)
Inversidena [sic] japanensis — Habe (1991)
Unio japanensis — Huang et al. (2013), Burzynski et al. (2017)
“Unio” japanensis — Zhou et al. (2016)
Pronodluaria [sic] japanensis — Wu et al. (2016), Wu et al. (2018)
Pronodularia cf. japanensis — Lopes-Lima et al. (2020)