Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Oxynaiina | Inversiunio
22 specimens + 17 Genbank vouchers

Ihering, 1893. Abh. Senckenb. Naturf. Ges. 18: 161, fig. 3.
Type(s): TYPE SMF_3641, Hacone-See, Japan.
Nodularia (s.s.) haconensis — Simpson (1900), Haas (1911), Simpson (1914)
Inversidens haconensis — Haas (1969)
Pronodularia haconensis — Moskvicheva & Starobogatov (1973)
Inversidens japanensis — Habe (1977), Kondo (1982), Graf (2007)
Inversiunio yokohamensis [sic] — Kondo (1998)
Inversiunio jokohamensis — Kondo et al. (2007), Kondo (2008), Lopes-Lima et al. (2020)

‘Lea’ Kobelt, 1879. Abh. Senckenb. Naturf. Ges. 11: 423, pl. 12, figs. 1-2 [as ‘Unio japanensis’].
Ihering, 1893. Abh. Senckenb. Naturf. Ges. 18: 158.
Type(s): TYPE SMF_3648, Umgeb. v. Yokohama.
Nodularia (s.s.) japanensis var. jokohamensis — Simpson (1900)
Nodularia (s.s.) japanensis johohamensis [sic] — Haas (1911)
Nodularia (s.s.) jokohamensis — Simpson (1914)
Inversidens japanensis jokohamensis — Haas (1969)
Pronodularia jokohamensis — Moskvicheva & Starobogatov (1973)
Inversidens japanensis — Habe (1977), Kondo (1982)
Inversiunio yokohamensis [sic] — Kondo (1998)
Inversiunio jokohamensis — Graf (2007), Kondo et al. (2007), Graf & Cummings (2007), Kondo (2008), Sano et al. (2017), ... Graf & Cummings (2021), Wu et al. (2021), Wu et al. (2022), Hata et al. (2022), Dai et al. (2024)
Inversunio [sic] jokohamensis — Bogan (2010)
‘von Ihering’ of Authors.
Habe, 1977. Mollusc. Japan: 115.
Kondo, 1982. Venus 41(3): 186.
Kondo, 1998. Venus 57(2): 88 [as ‘Inversiunio yokohamensis’].
(error for Unio jokohamensis Ihering, 1893)
‘Lea’ Kobelt, 1879. Abh. Senckenb. Naturf. Ges. 11: 423, pl. 12, figs. 1-2.
(misidentified reference to Unio japanensis Lea, 1859)
Nodularia (s.s.) japanensis var. jokohamensis — Simpson (1900)
Nodularia (s.s.) jokohamensis — Simpson (1914)
Inversidens japanensis jokohamensis — Haas (1969)
Inversidens japanensis — Kondo (1982)
Inversiunio jokohamensis — Kondo (2008), Lopes-Lima et al. (2020)
‘Kobelt’ Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): 87.
(error for Unio jokohamensis Ihering, 1893)
Inversiunio jokohamensis — Kondo (2008)
‘Ihering’ Moskvicheva & Starobogatov, 1973. Byull. Mosk. Obshch.. Ispyt. Prir. 78(2): 22, fig. 1.
(error for Unio jokohamensis Ihering, 1893)
Nodularia (s.s.) japanensis var. jokohamensis — Simpson (1900)
Nodularia (s.s.) haconensis — Simpson (1900), Haas (1911), Simpson (1914)
Nodularia (s.s.) japanensis johohamensis [sic] — Haas (1911)
Nodularia (s.s.) jokohamensis — Simpson (1914)
Inversidens haconensis — Haas (1969)
Inversidens japanensis jokohamensis — Haas (1969)
Pronodularia jokohamensis — Moskvicheva & Starobogatov (1973)
Pronodularia haconensis — Moskvicheva & Starobogatov (1973)
Inversidens japanensis — Habe (1977), Kondo (1982), Graf (2007)
Inversiunio yokohamensis [sic] — Kondo (1998)
Inversiunio jokohamensis — Graf (2007), Kondo et al. (2007), Graf & Cummings (2007), Kondo (2008), Sano et al. (2017), ... Graf & Cummings (2021), Wu et al. (2021), Wu et al. (2022), Hata et al. (2022), Dai et al. (2024)
Inversunio [sic] jokohamensis — Bogan (2010)