Page last updated
Sun 17 Jan 2021

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.

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Unionoida | Unionoidea | Unionidae | Parreysiinae | Lamellidentini | Trapezidens

species Trapezidens scutum (Sowerby, 1868): nominal species
     9 specimens available.

Unio scutum Sowerby, 1868
‘Benson’ Sowerby, 1868, Conch. Icon. 16: pl. 94, sp. 510.
Type(s): HOLOTYPE (MONOTYPY) BMNH_1907-10-28-239, Tenasserim.

Unio scutumSowerby (1868), Hanley & Theobald (1876), Martens (1899)
Lamellidens (s.s.) scutumSimpson (1900), Simpson (1914)
Lamellidens (s.s.) marginalis var. scutumPreston (1912)
Lamellidens (s.s.) marginalis scutumPreston (1915)
Lamellidens scutumPrashad (1922), Subba Rao (1989), Graf & Cummings (2007), Bogan (2010), IUCN (2014), Zieritz et al. (2018)
Lamellidens generosusHaas (1969)
Trapezidens scutumBolotov et al. (2017), Konopleva et al. (2020), Bolotov et al. (2020)

Unio marginalis var. zonata Hanley & Theobald, 1876
Deshayes, 1830, Enc. Méth. 2: 587 [as ‘marginalis’].
Hanley & Theobald, 1876, Conch. Indica: 20, pl. 44, fig. 2.
(intro'd as intra-sp. of Unio marginalis Lamarck, 1819)

Unio marginalis var. zonataHanley & Theobald (1876)
Unio marginalis var. zonataHanley & Theobald (1876), Tapparone Canefri (1889)
Unio (s.s.) marginalis vr. zonataPaetel (1890)
Lamellidens (s.s.) marginalis var. zonatusPreston (1912)
Lamellidens (s.s.) marginalisSimpson (1914)
Lamellidens (s.s.) marginalis var. zonataPreston (1915)
Lamellidens scutumPrashad (1922), Subba Rao (1989)

Unio gianelli var. degener Tapparone Canefri, 1889
Tapparone Canefri, 1889, Ann. Mus. Storia Nat. Genova 27: 354.
(intro'd as intra-sp. of Unio gianellii Tapparone Canefri, 1889)

Unio gianelli var. degenerTapparone Canefri (1889)
Unio gianellii var. degenerTapparone Canefri (1889)
Lamellidens scutumPrashad (1922)

Page updated: 12:18:16 Sun 17 Jan 2021

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