Unio grayii Griffith & Pidgeon, 1833
‘Lea’ Griffith & Pidgeon, 1833. [in] Cuvier, Animal Kingdom 12(38): 601, pl. 21, fig. 3.

Nodularia (sec. Lanceolaria) grayana — Simpson (1900), Simpson (1914)
Unio (Nodularia) grayanus — Dautzenberg & Fischer (1905)
Lanceolaria grayana — Haas (1911), Liu et al. (1979), Wu et al. (2019)
— Haas (1969)
Lanceolaria grayi — Dang et al. (1980), Do et al. (2018)
Lanceolaria grayii — IUCN (2012), He & Zhuang (2013), Lopes-Lima et al. (2017), Bolotov et al. (2017), Bolotov et al. (2017), ... Dai et al. (2025), Chen et al. (2025), Campbell & Lydeard (2026), Wu et al. (2026), Wu et al. (2026)

Unio grayanus Lea, 1834
Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 66 [178], pl. 9, fig. 26.
Type(s): HOLOTYPE USNM_84162, China.

Nodularia (sec. Lanceolaria) grayana — Simpson (1900), Simpson (1914)
Unio (Nodularia) grayanus — Dautzenberg & Fischer (1905)
Lanceolaria grayana — Haas (1911), Haas (1924), Zhadin (1938), Zhadin (1965), Haas (1969), ... Kim et al. (2021), Zieritz et al. (2021), Wu et al. (2021), Dai et al. (2024), Xiang et al. (2025)
— de Gregorio (1914)
Lanceolaria (s.s.) grayana — Thiele (1934)
Lanceolaria grayana grayana — Haas (1969)
Lanceolaria grayii — He & Zhuang (2013), Graf & Cummings (2021), Konopleva et al. (2023), Dai et al. (2025), Wu et al. (2026)
Lanceolaria glayana [sic] — Wang et al. (2016)
Lanceolaria grayi — Do et al. (2018)

Nodularia cylindrica Simpson, 1900
Schrenck, 1867. Reise Forsch. Amurlande 2: 694, pl. 27, figs. 1-3 [as ‘Unio grayanus Lea’].
Simpson, 1900. Proc. Acad. Nat. Sci. 52: 84 [as ‘cylindracea’].
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 807.
Simpson, 1914. Descr. Cat. Naiades: 958.
(correct name for Nodularia cylindracea Simpson, 1900)

Nodularia (sec. Cylindrica) cylindrica — Simpson (1900), Simpson (1914)
Nodularia cylindracea [sic] — Simpson (1900)
Lanceolaria cylindrica — Haas (1911), Zhadin (1938), Zhadin (1965), Haas (1969), Bába (2000), ... Soliman et al. (2016), Bogatov & Prozorova (2017), Zieritz et al. (2018), Graf & Cummings (2021), Liu et al. (2022)
Lanceolaria (sec. Pericylindrica) cylindrica — Thiele (1934)
Lanceolaria maacki — Moskvicheva (1973), Kantor & Sysoev (2005), Vinarski & Kantor (2016)
Lanceolaria (Pericylindrica) maacki — Zatravkin & Bogatov (1987)
Lanceolaria grayii — Lopes-Lima et al. (2020), Bolotov et al. (2020), Wu et al. (2026)

Unio (Nodularia) gracillimus Rolle, 1904
Rolle, 1904. Nachr. Bl. Dtsch. Malak. Ges. 36: 26, pl. 4, figs. b-c.
Type(s): SYNTYPE SMF_3570, Zw. Hanoi u Hoa Bimo, Tonkin [Road From Hanoi To Hoa-Bimo, China, North Pacific Ocean].

Unio (Nodularia) grayanus — Dautzenberg & Fischer (1905)
Lanceolaria grayana — Haas (1911)
Nodularia (sec. Lanceolaria) grayana — Simpson (1914)
Lanceolaria grayana grayana — Haas (1969)
Lanceolaria grayii — He & Zhuang (2013)
Lanceolaria grayi — Do et al. (2018)

Unio (Nodularia) grayanus Dautzenberg & Fischer, 1905
‘Lea’ of Authors.
Dautzenberg & Fischer, 1905. J. de Conch. 53: 202.
Haas, 1910. Conch. Cab. 9 (pt. 2, h. 41): 44, pl. 4b-c.
(reference to Unio grayanus Lea, 1834)

Lanceolaria grayi — Dang et al. (1980)
Lanceolaria grayana — Kondo (2008)

Lanceolaria eucylindrica Lin, 1962
Lin, 1962. Acta Zool. Sinica 14(2): 249, fig. 14.

Lanceolaria eucylindrica — Wu et al. (1999), Wu et al. (2000), Prozorova et al. (2005), Hu (2005), Graf & Cummings (2007), ... Huang et al. (2019), Liu et al. (2020), Graf & Cummings (2021), Liu et al. (2022), Campbell & Lydeard (2026)
Lanceolaria grayii — Wu et al. (2026)

Lanceolaria chankensis Moskvicheva, 1973
Moskvicheva, 1973. Zool. Zhur. 52(10): 1466, figs. к-л.

Lanceolaria chankensis — Moskvicheva (1973), Starobogatov et al. (2004), Kantor & Sysoev (2005), Kantor et al. (2010), Vinarski & Kantor (2016), Bogatov & Prozorova (2017), Bogatov (2022)
Lanceolaria (Pericylindrica) chankensis — Zatravkin (1983), Zatravkin & Bogatov (1987)
Lanceolaria cylindrica — Graf (2007), IUCN (2011), He & Zhuang (2013)
Lanceolaria grayii — Lopes-Lima et al. (2020), Bolotov et al. (2020), Wu et al. (2026)

Lanceolaria maacki Moskvicheva, 1973
‘Lea’ Schrenck, 1867. Reise Forsch. Amurlande 2: 694, pl. 27, figs. 1-3 [as as ‘Unio grayanus Lea’].
Moskvicheva, 1973. Zool. Zhur. 52(10): 1465, figs. 2 е-ж.

Lanceolaria maacki — Moskvicheva (1973), Starobogatov et al. (2004), Kantor & Sysoev (2005), Kantor et al. (2010), Vinarski & Kantor (2016), Bogatov & Prozorova (2017)
Lanceolaria (Pericylindrica) maacki — Zatravkin (1983), Zatravkin & Bogatov (1987)
Lanceolaria cylindrica — Graf (2007), IUCN (2011), He & Zhuang (2013)
Lanceolaria grayii — Lopes-Lima et al. (2020), Bolotov et al. (2020), Wu et al. (2026)
Lanceolaria maacki maacki — Bogatov (2022)

Lanceolaria ussuriensis Moskvicheva, 1973
Moskvicheva, 1973. Zool. Zhur. 52(10): 1465, figs. 2 з-и.
(new name for Unio grayanus var. decurvata Schrenck, 1867)

Lanceolaria ussuriensis — Moskvicheva (1973), Starobogatov et al. (2004), Kantor & Sysoev (2005), Kantor et al. (2010), Vinarski & Kantor (2016), Bogatov & Prozorova (2017)
Lanceolaria (Pericylindrica) ussuriensis — Zatravkin (1983), Zatravkin & Bogatov (1987)
Lanceolaria cylindrica — Graf (2007), IUCN (2011), He & Zhuang (2013)
Lanceolaria grayii — Lopes-Lima et al. (2020), Bolotov et al. (2020), Wu et al. (2026)
Lanceolaria maacki ussuriensis — Bogatov (2022)

Lanceolaria (Pericylindrica) bogatovi Zatravkin & Starobogatov, 1984
Zatravkin & Starobogatov, 1984. Zool. Zhur. 63(12): 1785, figs. 1-4.

Lanceolaria (Pericylindrica) sp. n. — Zatravkin (1983)
Lanceolaria (Pericylindrica) bogatovi — Zatravkin & Bogatov (1987)
Lanceolaria bogatovi — Starobogatov et al. (2004), Kantor & Sysoev (2005), Kantor et al. (2010), Vinarski & Kantor (2016), Bogatov & Prozorova (2017)
Lanceolaria cylindrica — Graf (2007), IUCN (2011), He & Zhuang (2013)
Lanceolaria grayii — Lopes-Lima et al. (2020), Bolotov et al. (2020), Wu et al. (2026)
Lanceolaria maacki bogatovi — Bogatov (2022)

Lanceolaria yueyingae He & Zhuang, 2013
He & Zhuang, 2013. Freshwater Bivalves China: 76, fig. 173.

Lanceolaria yueyingae — He & Zhuang (2013), WoRMS (2017), Zieritz et al. (2018), Liu et al. (2020), Liu et al. (2022)
Lanceolaria eucylindrica — Bogatov & Prozorova (2017)
Lanceolaria grayii — Wu et al. (2026)

Unio grayensis Jay, 1835
Jay, 1835. Cat. Rec. Shells: 17.
(error for Unio grayanus Lea, 1834)

Unio grayanus Schrenck, 1867
‘Lea’ Schrenck, 1867. Reise Forsch. Amurlande 2: 694, pl. 27, figs. 1-3.
(reference to Unio grayanus Lea, 1834)

Nodularia (sec. Cylindrica) cylindrica — Simpson (1900), Simpson (1914)
Nodularia cylindracea [sic] — Simpson (1900)
Lanceolaria cylindrica — Haas (1911), Haas (1969), IUCN (2011), He & Zhuang (2013)
Lanceolaria maacki — Moskvicheva (1973), Kantor & Sysoev (2005), Kantor et al. (2010)
Lanceolaria (Pericylindrica) maacki — Zatravkin & Bogatov (1987)
Lanceolaria grayii — Lopes-Lima et al. (2020), Bolotov et al. (2020), Wu et al. (2026)

Unio grayanus var. decurvata Schrenck, 1867
Schrenck, 1867. Reise Forsch. Amurlande 2: 694, pl. 27, figs. 1-3.
(renamed Lanceolaria ussuriensis Moskvicheva, 1973; homonym of Unio decurvatus Rossmässler, 1835)

Lanceolaria ussuriensis — Moskvicheva (1973), Kantor & Sysoev (2005), Kantor et al. (2010)
Lanceolaria (Pericylindrica) ussuriensis — Zatravkin & Bogatov (1987)
Lanceolaria cylindrica — He & Zhuang (2013)
Lanceolaria grayii — Lopes-Lima et al. (2020), Bolotov et al. (2020)

Nodularia cylindracea Simpson, 1900
Simpson, 1900. Proc. Acad. Nat. Sci. 52: 84.
(incorrect original spelling of Nodularia cylindrica Simpson, 1900)

Lanceolaria grayii — Lopes-Lima et al. (2020), Bolotov et al. (2020)

Lanceolaria glayana Wang et al., 2016
Wang et al., 2016. mtDNA 27(2): 846.
(error for Unio grayanus Lea, 1834)