Triquetra lanceolata Lea, 1856
Lea, 1856, Proc. Acad. Nat. Sci. 8: 79.
(renamed Triquetra contorta Lea, 1857)

Triquetra lanceolata — Lea (1856)
Arconaia lanceolata — Conrad (1865), Simpson (1900), Preston (1912), Simpson (1914), ..., Fukata & Iigo (2020), Wu et al. (2020), Sano et al. (2020), Kim et al. (2021)
Margaron (Triquetra) contorta — Lea (1870)
Arconaia lanceolate — Zhou et al. (2017), Wang et al. (2018)
Lanceolaria lanceolata — Huang et al. (2019), Guerra et al. (2019), Froufe et al. (2019), Pfeiffer et al. (2019), ..., Wu et al. (2024), Dai et al. (2024), Wu et al. (2024), Wu et al. (2024)

Arconaia huaihensis Huang & Li, 2003
Huang & Li, 2003, Chinese J. Zool. 38(4): 82.

Arconaia huaihensis — Huang & Li (2003), Prozorova et al. (2005), Graf & Cummings (2007), Bogan (2010)
Arconaia lanceolata — He & Zhuang (2013)
Lanceolaria lanceolata — Graf & Cummings (2021)

Unio contortus var. muticus Heude, 1877
Heude, 1877, Conch. Fluv. Nanking (2): pl. 15, fig. 32.
(intro'd as intra-sp. of Triquetra contorta Lea, 1857)
Type(s): SYNTYPE MNHN_MP_3415, Hou Nan, Chine.

Unio contortus var. muticus — Heude (1877)
Unio contortus var. A muticus — Heude (1877)
Arconaia mutica — Simpson (1900), Simpson (1914), Hu (2005), Prozorova et al. (2005), Graf & Cummings (2007), Bogan (2010)
Arconaia lanceolata — Haas (1924), Haas (1969), Liu et al. (1979), He & Zhuang (2013)
Lanceolaria lanceolata — Huang et al. (2019), Graf & Cummings (2021)

Triquetra contorta Lea, 1857
Lea, 1857, Jour. Acad. Nat. Sci. 3 [O. 6]: 319 [39], pl. 33, fig. 33.
(new name for Triquetra lanceolata Lea, 1856)
Type(s): HOLOTYPE (MONOTYPY) USNM_83884, Shanghai, China.

Triquetra contorta — Lea (1857)
Arconaia lanceolata — Conrad (1865), Simpson (1900), Preston (1912), Simpson (1914), ..., Liu et al. (1979), Prozorova et al. (2005), IUCN (2011), He & Zhuang (2013)
Hyria contorta — Sowerby (1869)
Margaron (Triquetra) contorta — Lea (1870)
Unio contortus — Heude (1877), Neumayr (1899)
Unio (Arconaia) contorta — Fischer (1887)
Arconaia contorta — Thiele (1934)
Lanceolaria lanceolata — Huang et al. (2019), Bieler (2021)

Unio contortus var. conjungens Heude, 1877
Heude, 1877, Conch. Fluv. Nanking (2): pl. 15, fig. 33.
(intro'd as intra-sp. of Triquetra contorta Lea, 1857)

Unio contortus var. conjungens — Heude (1877)
Unio contortus var. B conjungens — Heude (1877)
Arconaia conjungens — Simpson (1900), Simpson (1914)
Arconaia lanceolata — Haas (1924), Haas (1969), Liu et al. (1979), IUCN (2011), He & Zhuang (2013)
Lanceolaria lanceolata — Huang et al. (2019)

Arconaia mntica Liu et al., 1979
Liu et al., 1979, Econ. Fauna China: 77.
(error for Unio contortus var. muticus Heude, 1877)

Arconaia mntica — Liu et al. (1979)

Unio contorta var. muticns Liu et al., 1979
Liu et al., 1979, Econ. Fauna China: 77.
(error for Unio contortus var. muticus Heude, 1877)

Unio contorta var. muticns — Liu et al. (1979)

Arconaia lanceolate Zhou et al., 2017
Zhou et al., 2017, Conserv. Genet. Resour. 9: 235.
Wang et al., 2018, Conserv. Genet. Resour. 11: 140.
Wu et al., 2021, J. Lake Sci. 33(6): 1799.
(error for Triquetra lanceolata Lea, 1856)

Arconaia lanceolate — Zhou et al. (2017)

Taxonomic History (since 1900)

Arconaia lanceolata — Simpson (1900), Preston (1912), Simpson (1914), Haas (1924), ..., Fukata & Iigo (2020), Wu et al. (2020), Sano et al. (2020), Kim et al. (2021)
Arconaia conjungens — Simpson (1900), Simpson (1914)
Arconaia mutica — Simpson (1900), Simpson (1914), Hu (2005), Prozorova et al. (2005), Graf & Cummings (2007), Bogan (2010)
Arconaia contorta — Thiele (1934)
Arconaia mntica — Liu et al. (1979)
Unio contorta var. muticns — Liu et al. (1979)
Arconaia huaihensis — Huang & Li (2003), Prozorova et al. (2005), Graf & Cummings (2007), Bogan (2010)
Arconaia lanceolate — Zhou et al. (2017), Wang et al. (2018)
Lanceolaria lanceolata — Huang et al. (2019), Guerra et al. (2019), Froufe et al. (2019), Pfeiffer et al. (2019), ..., Wu et al. (2024), Dai et al. (2024), Wu et al. (2024), Wu et al. (2024)