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Thu 17 July 2025

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

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Publication Leach (1852): summary
     publication summary

Complete Citation

Leach, W.E. 1852. Molluscorum Britanniæ Synopsis: A Synopsis of the Mollusca of Great Britain, arranged according to their natural affinities and anatomical structure. 375 pp. + plates. Available electronically.

Attributed Nominal Genera

Cordula Leach, 1852
Leach, 1852. Syn. Moll. Gr. Brit.: 288, 292.
Type species: Tellina amnica Müller, 1774 (monotypy) = Pisidium amnicum

Damaris Swainson, 1823
‘Leach’
Swainson, 1823. Zool. Illustr. 3(1): pl. 160.
Gray, 1840. Synopt. Cont. Brit. Mus. 42nd ed.: 138, 150.
Leach, 1852. Syn. Moll. Gr. Brit.: 321.
Type species: Mya margaritifera Linnaeus, 1758 (monotypy) = Margaritifera margaritifera

Euglesia Leach, 1852
Leach, 1852. Syn. Moll. Gr. Brit.: 291.
(error for Euglesa Jenyns, 1832)
Type species: Tellina henslowana Sheppard, 1825 = Euglesa henslowana

Pera Leach, 1852
Alder, 1831. Trans. Natur. Hist. Soc. Northumbld. Durham 1: 41 [not used as valid].
Leach, 1852. Syn. Moll. Gr. Brit.: 288, 291.
(intro'd as syn. of Cyclas Lamarck, 1799)

Attributed Nominal Species

Anodontes europaea Leach, 1852
Lister, 1678. Hist. Anim. Anglic.: 29, pl. 1, fig. 3. [pre-linnaean]
Leach, 1852. Syn. Moll. Gr. Brit.: 326 [as ‘europæa’].

Cyclas alata Leach, 1852
Leach, 1852. Syn. Moll. Gr. Brit.: 291.

Euglesa henslowiana Leach, 1852
Leach, 1852. Syn. Moll. Gr. Brit.: 291.

Pera amnica Leach, 1852
Leach, 1852. Syn. Moll. Gr. Brit.: 292.
(homonym of Tellina amnica Müller, 1774)

Pera fluviatilis Leach, 1852
Leach, 1852. Syn. Moll. Gr. Brit.: 292.

Pera gibba Leach, 1852
Leach, 1852. Syn. Moll. Gr. Brit.: 292.

Pera henslowiana Jenyns, 1832
‘Leach’ of Authors.
Jenyns, 1832. Trans. Cambridge Phil. Soc. 4: 308.
Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 91.
Leach, 1852. Syn. Moll. Gr. Brit.: 291 [as ‘Pera henslowiana’].
Prime, 1870. Amer. J. Conch. 5: 169.
Clessin, 1874. Conch. Cab. 9(3): 13.
Clessin, 1874. Bull. Soc. Vaud. Sci. Nat. 13: 149 [as ‘Pisidium henslowianum’].
Servain, 1882. Hist. Moll. Acéph. Francfort: 19 [as ‘Pisidium henslowianum’].
Prime, 1895. Cat. Corbiculadae: 60 [as ‘Pisidium henslowianum’].
Dall, 1903. Trans. Wagner Free Inst. 3(6): 1463.
Thiele, 1934. Handb. Syst. Weichtierk. 3: 853 [1297].
Kantor et al., 2010. Cat. Contin. Moll. Russia: 308 [as ‘Tellina henslowiana’].
(error for Tellina henslowana Sheppard, 1825)

Pera pulchella Leach, 1852
Leach, 1852. Syn. Moll. Gr. Brit.: 292.
(reference to Pisidium pulchellum Jenyns, 1832)

Taxonomic Opinions

Anodontes europaea = Anodonta cygnea
+ Mytilus cygneus Linnaeus, 1758
+ Mytilus cygneus Maton & Rackett, 1807
+ Mytilus stagnalis Gmelin, 1791
+ Mytilus anatinus Linnaeus, 1758
+ Mytilus anatinus Da Costa, 1778
+ Anodonta anatina Draparnaud, 1806
+ Mytilus avonensis Montagu, 1803
+ Mytilus anatinus Maton & Rackett, 1807
+ Anodonta intermedia Lamarck, 1819

Anodontes europaea = Anodonta anatina

Cordula amnica = Pisidium amnicum
+ Tellina rivalis Maton, 1797
+ Cyclas obliqua Lamarck, 1818

Cyclas alata = Sphaerium corneum

Cyclas cornea = Sphaerium corneum
+ Cyclas rivalis Draparnaud, 1806
+ Cardium nux Da Costa, 1778
+ Cardium amnicum Pultney, 1799

Cyclas lacustris = Sphaerium lacustre
+ Cyclas lacustris Draparnaud, 1806

Cyclas lacustris = Sphaerium nucleus

Cyclas rivicola = Sphaerium rivicola

Cyclas stagnicola = Sphaerium corneum
+ Cyclas calyculata Draparnaud, 1806

Cyclas stagnicola = Sphaerium lacustre

Damaris elongata = Margaritifera margaritifera
+ Mya margaritifera Linnaeus, 1758

Euglesa henslowiana = Euglesa personata

Pera amnica = Pisidium amnicum

Pera appendiculata = Euglesa henslowana

Pera fluviatilis = Pisidium amnicum

Pera gibba = Euglesa ventricosa

Pera henslowiana [sic] = Euglesa henslowana

Pera pulchella = Euglesa pulchella

Unio ovalis = Unio tumidus
+ Mya ovata Donovan, 1802

Unio pictorum
+ Mya ovalis Retzius, 1788
+ Mya batava Maton & Rackett, 1807

Unio pictorum = Unio crassus

 
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