Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Cristariina | Pletholophus
89 specimens + 6 GenBank vouchers
Griffith & Pidgeon, 1833. [in] Cuvier, Animal Kingdom 12(38): pl. 24, fig. 2.
‘Gray’ Griffith & Pidgeon, 1834. [in] Cuvier, Animal Kingdom 12(39-40): 595 [as ‘Anodon tenuis’], 601.
Cristaria (Pletholophus) discoidea — Simpson (1900), Simpson (1914)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013), Kano et al. (2019), Hata et al. (2022)
Pletholophus tenuis — Lopes-Lima et al. (2017), Bolotov et al. (2017), Bolotov et al. (2017), Zieritz et al. (2018), Do et al. (2018), ... Wu et al. (2025), Chen et al. (2025), Dai et al. (2026), Chen et al. (2026), Campbell & Lydeard (2026)
“Pletholophus tenuis” ** — Sano et al. (2017), Sano et al. (2020), Sano et al. (2022)
Sinanodonta tenuis — Bogatov & Prozorova (2017)

Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 75 [187], pl. 11, fig. 33.
Type(s): HOLOTYPE USNM_86358, China.
Cristaria (Pletholophus) discoidea — Simpson (1900), Simpson (1914), Haas (1969), Heard (1977)
Cristaria discoidea discoidea — Haas (1930)
Cristaria (sec. Pletholophus) discoidea — Thiele (1934)
Pletholophus discoideus discoideus — Modell (1945)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Pletholophus discoidea — Habe (1977)
Pletholophus discoideus — Dang et al. (1980)
Cristaria discoidea — Wu (1982), Sayenko et al. (2005), Graf (2007), Graf & Cummings (2007), Bogan (2010)
Pletolophus [sic] sp. — Prozorova et al. (2005)
Cristaria discoides [sic] — Hu (2005), Xiong et al. (2012)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013)
Pletholophus tenuis — Do et al. (2018), Lopes-Lima et al. (2020), Graf & Cummings (2021), Liu et al. (2022), Dai et al. (2024)
‘Philippi’ Küster, 1853. Conch. Cab. Anodonta: 51, pl. 12, fig. 3.
Dalliella purpurea — Simpson (1900), Preston (1912)
Cristaria (Pletholophus) discoidea — Simpson (1900), Simpson (1914)
Simpsonella purpurea — Simpson (1914)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Pletholophus discoidea — Habe (1977)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013)

H. Adams, 1866. Proc. Zool. Soc. London 1866: 319.
H. Adams, 1866. Proc. Zool. Soc. London 1866: 446 [as ‘Anodonta’].
Type(s): SYNTYPES BMNH_78-1-28-200, Formosa.
Cristaria (Pletholophus) swinhoei — Simpson (1900), Preston (1912), Simpson (1914)
Anodonta lucida — Dautzenberg & Fischer (1905)
Cristaria discoidea swinhoei — Haas (1930)
Pletholophus discoideus swinhoei — Modell (1945)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Pletholophus discoidea — Habe (1977)
Pletholophus swinhoei — Dang et al. (1980)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013)
Pletholophus tenuis — Do et al. (2018), Dai et al. (2024)

(reference to Unio swinhoei H. Adams, 1866)
‘Reeve’ Sowerby, 1866. Conch. Icon. 16: pl. 42, sp. 232.
‘H. Adams’ Sowerby, 1870. Conch. Icon. 17: pl. 27, sp. 108.
Type(s): HOLOTYPE BMNH_1968653, Formosa.
Cristaria (Pletholophus) swinhoei — Simpson (1900), Preston (1912), Simpson (1914)
Cristaria (Pletholophus) discoidea sautteri — Kuroda (1941)
Cristaria tenuis — He & Zhuang (2013)
Clessin, 1876. Conchyl. Cab. 9(1): 172, pl. 56, figs. 3-4.
Cristaria (Pletholophus) discoidea — Simpson (1900), Simpson (1914)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013)
Heude, 1878. Conch. Fluv. Nanking (4): pl. 32, fig. 65 [64 on plate].
Cristaria (Pletholophus) parvula — Simpson (1900), Simpson (1914)
Cristaria parvula — Martens (1905)
Cristaria discoidea discoidea — Haas (1930)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013)
Heude, 1881. Conch. Fluv. Nanking (7): pl. 53, fig. 98.
Cristaria (Pletholophus) gentiliana — Simpson (1900), Simpson (1914)
Cristaria discoidea discoidea — Haas (1930)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013)

Haas, 1910. Ann. Mag. Nat. Hist. 6: 499.
Type(s): TYPE SMF_3665, Tonkin.
Cristaria (Pletholophus) inangulata — Simpson (1914)
Cristaria discoidea discoidea — Haas (1930)
Pletholophus discoideus inangulatus — Modell (1945)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Pletholophus inangulata — Dang et al. (1980)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013)
Pletholophus tenuis — Do et al. (2018), Dai et al. (2024)

(intro'd as intra-sp. of Symphynota discoidea Lea, 1834)
Haas, 1910. Ann. Mag. Nat. Hist. 6: 499.
Type(s): TYPE SMF_3668, Candidins See, Formosa.
Cristaria (Pletholophus) discoidea var. sautteri — Simpson (1914)
Cristaria discoidea sautteri — Haas (1930)
Cristaria (Pletholophus) discoidea sautteri — Kuroda (1941)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Pletholophus discoidea — Habe (1977)
Cristaria tenuis — He & Zhuang (2013)
(misidentified reference to Symphynota magnifica Lea, 1834)
Griffith & Pidgeon, 1833. [in] Cuvier, Animal Kingdom 12(38): pl. 24, fig. 2 [as ‘Unio tenuis’].
‘Lea’ Sowerby, 1867. Conch. Icon. 16: pl. 57, sp. 289.
Cristaria (Pletholophus) discoidea — Simpson (1900), Simpson (1914)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013)
(error for Cristaria discoidea sautteri Haas, 1910)
‘Haas’ Habe, 1977. Mollusc. Japan: 117.
(error for Symphynota discoidea Lea, 1834)
Hu, 2005. Chinese J. Zool. 40: [4], table 1.
Xiong et al., 2012. Chinese J. Ocean. Limn. 30: 128.
(misidentified reference to Pletholophus honglinhensis Bogan et al., 2023)
Bogan et al., 2023. Diversity 15(6), 710: Table S2.
Pletholophus tenuis — Wu et al. (2025)
Cristaria (Pletholophus) discoidea — Simpson (1900), Simpson (1914), Haas (1969), Heard (1977)
Dalliella purpurea — Simpson (1900), Preston (1912)
Cristaria (Pletholophus) swinhoei — Simpson (1900), Preston (1912), Simpson (1914)
Cristaria (Pletholophus) parvula — Simpson (1900), Simpson (1914)
Cristaria (Pletholophus) gentiliana — Simpson (1900), Simpson (1914)
Anodonta lucida — Dautzenberg & Fischer (1905)
Cristaria parvula — Martens (1905)
Simpsonella purpurea — Simpson (1914)
Cristaria (Pletholophus) inangulata — Simpson (1914)
Cristaria (Pletholophus) discoidea var. sautteri — Simpson (1914)
Cristaria discoidea discoidea — Haas (1930)
Cristaria discoidea swinhoei — Haas (1930)
Cristaria discoidea sautteri — Haas (1930)
Cristaria (sec. Pletholophus) discoidea — Thiele (1934)
Cristaria (Pletholophus) discoidea sautteri — Kuroda (1941)
Pletholophus discoideus discoideus — Modell (1945)
Pletholophus discoideus swinhoei — Modell (1945)
Pletholophus discoideus inangulatus — Modell (1945)
Cristaria (Pletholophus) discoidea discoidea — Haas (1969)
Pletholophus discoidea — Habe (1977)
Pletholophus discoideus — Dang et al. (1980)
Pletholophus swinhoei — Dang et al. (1980)
Pletholophus inangulata — Dang et al. (1980)
Cristaria discoidea — Wu (1982), Sayenko et al. (2005), Graf (2007), Graf & Cummings (2007), Bogan (2010)
Pletolophus [sic] sp. — Prozorova et al. (2005)
Cristaria discoides [sic] — Hu (2005), Xiong et al. (2012)
Cristaria tenuis — IUCN (2012), He & Zhuang (2013), Kano et al. (2019), Hata et al. (2022)
Pletholophus tenuis — Lopes-Lima et al. (2017), Bolotov et al. (2017), Bolotov et al. (2017), Zieritz et al. (2018), Do et al. (2018), ... Wu et al. (2025), Chen et al. (2025), Dai et al. (2026), Chen et al. (2026), Campbell & Lydeard (2026)
“Pletholophus tenuis” ** — Sano et al. (2017), Sano et al. (2020), Sano et al. (2022)
Sinanodonta tenuis — Bogatov & Prozorova (2017)