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Page last updated
Sun 07 Sep 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

The nominal species (available and otherwise) in this synonymy are listed by usage rather than strictly by publication date. The primary sorting order is by the most recent year (since 1969) that the species name was treated as valid, and then nominal species are sorted secondarily by publication year.

The taxonomic history of the valid species (since 1900) is listed at the bottom of the page.

The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=validsp_syn&id=4709

Search the database pages:

Unionoida | Unionoidea | Unionidae | Unioninae | Acuticostini | Acuticosta

species Acuticosta chinensis (Lea, 1868): nominal species
     20 specimens available.

Unio chinensis Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 150.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 325, pl. 53, fig. 138.
Type(s): HOLOTYPE (MONOTYPY) MCZ_175567, Hong Kong, China.

Unio chinensis — Lea (1868)
Margaron (Unio) chinensis — Lea (1870)
Unio sinensis — Heude (1875)
Parreysia (Acuticosta) chinensis — Simpson (1900), Simpson (1914)
Acuticosta chinensis — Haas (1914), Thiele (1934), Haas (1969), Liu et al. (1979), ..., Dai et al. (2024), Wu et al. (2024), Dai et al. (2025), Chen et al. (2025)
Acuticosta sinensis — Haas (1969)

Unio sinensis Heude, 1875
“Lea” Heude, 1875, Conch. Fluv. Nanking (1): sp. 26.
‘Lea’ Haas, 1969, Treatise on Invert. Paleo: N416 [as ‘Acuticosta sinensis’].
‘Lea’ Millard, 2001, Class. Moll. (3): 1051.
(error for Unio chinensis Lea, 1868)

Unio sinensis — Heude (1875)
Acuticosta chinensis — He & Zhuang (2013)

Unio sinensis [sic] var. laevis Heude, 1883
Heude, 1883, Conch. Fluv. Nanking (8): pl. 59, fig. 116 [as ‘lævis’].
(intro'd as intra-sp. of Unio chinensis Lea, 1868)

Unio sinensis var. laevis — Heude (1883)
Unio sinensis var. a laevis — Heude (1883)
Parreysia (Acuticosta) chinensis var. laevis — Simpson (1900), Simpson (1914)
Acuticosta chinensis — Haas (1914), Haas (1969), IUCN (2011), He & Zhuang (2013)

Unio sinensis [sic] var. squammosus Heude, 1883
Heude, 1883, Conch. Fluv. Nanking (8): pl. 58, fig. 113.
(intro'd as intra-sp. of Unio chinensis Lea, 1868)

Unio sinensis var. squammosus — Heude (1883)
Unio sinensis var. B squammosus — Heude (1883)
Parreysia (Acuticosta) chinensis var. squamosus — Simpson (1900), Simpson (1914)
Acuticosta chinensis — Haas (1914), Haas (1969), IUCN (2011), He & Zhuang (2013)

Parreysia squamosus Haas, 1969
Haas, 1969, Das Tierreich 88: 82.
(error for Unio sinensis [sic] var. squammosus Heude, 1883)

Parreysia squamosus — Haas (1969)

Taxonomic History (since 1900)

Parreysia (Acuticosta) chinensis — Simpson (1900), Simpson (1914)
Parreysia (Acuticosta) chinensis var. laevis — Simpson (1900), Simpson (1914)
Parreysia (Acuticosta) chinensis var. squamosus — Simpson (1900), Simpson (1914)
Acuticosta chinensis — Haas (1914), Thiele (1934), Haas (1969), Liu et al. (1979), ..., Dai et al. (2024), Wu et al. (2024), Dai et al. (2025), Chen et al. (2025)
Acuticosta sinensis — Haas (1969)
Parreysia squamosus — Haas (1969)

Page updated: 08:18:45 Sun 07 Sep 2025

 
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