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Unionidae

Margaritiferidae

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Data last updated
Mon 1 Dec 2025

Publication Deshayes (1832): summary

publication summary

Full Citation

Deshayes, G.P. 1832. Encyclopédie Méthodique; Histoire Naturelle des vers 2 (Deuxième partie): 145-594. Available electronically.

Attributed Nominal Genera

Galathaea Bory de St. Vincent, 1827

Bory de St. Vincent, 1827. Encycl. Méth. 2: 151.
Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 163 [as ‘Galathæa’].
Sowerby, 1839. Conch. Man.: 88.
(error for Galatea Bruguière, 1797)
Type species: Galathea radiata Lamarck, 1804 = Galatea paradoxa

Attributed Nominal Species

Unio atra Deshayes, 1832 = Potamilus purpuratus

‘Lea’ Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 582.
(reference to Unio ater Lea, 1829)

Lucina aurantia Deshayes, 1832 = Lucina aurantia

Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 384.

Unio egyptiaca Deshayes, 1832 = Coelatura aegyptiaca

‘Cailliaud’ of Authors.
Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 587.
Jay, 1836. Cat. Rec. Shells: 20 [as ‘egyptiacus’].
Lea, 1836. Synopsis Fam. Naiades: 29.
Lea, 1838. Synopsis Fam. Naiades: 21 [as ‘egyptiacus’].
Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 198 [as ‘egyptiacus’].
Lea, 1852. Synopsis Fam. Naiades: 32 [as ‘Margaron (Unio) egyptiacus’].
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 267 [as ‘egyptiacus’].
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 494 [as ‘egyptiacus’].
Lea, 1870. Synopsis Fam. Naiades: 50.
Haas, 1940. Zool. Ser. Field Mus. Nat. Hist. 24: 140 [as ‘Caelatura egyptiaca’].
Araujo et al., 2017. Zool. J. Linn. Soc. 179(2): 280.
(error for Unio aegyptiacus Cailliaud, 1827)

Unio fragilis Swainson, 1823 = Potamilus fragilis

‘Rafinesque’ of Authors.
Swainson, 1823. Zool. Illustr. 3(1): pl. 171.
Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 587.
Conrad, 1836. Monogr. Fam. Unionidae 1(6): 55, pl. 30.
(reference to Unio (Leptodea) fragilis Rafinesque, 1820)

Unio mytiloides Bory de St. Vincent, 1827 = Pleurobema sintoxia

specimen image from publicationBruguière, 1797. Encycl. Méth. 2: pl. 249, fig. 4a-b [as Unio sp.].
‘Val.’ Bory de St. Vincent, 1827. Encycl. Méth. 2: 151.
Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 585.
(homonym of Pleurobema mytiloides Rafinesque, 1820)

Mulleria rivoli Deshayes, 1827 = Mulleria rivoli

Deshayes, 1827. Diction. Class. Hist. Nat. 11: 297.
Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 588 [as ‘Mullerie’].

Unio securis Deshayes, 1832 = Ellipsaria lineolata

Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 578.
Deshayes, 1835. Hist. Natur. Anim. sans Vert. 6: 550.
(reference to Unio securis Lea, 1829)

Unio marginalis var. zonata Hanley & Theobald, 1872 = Trapezidens scutum

Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 587 [as ‘marginalis’].
specimen image from publicationHanley & Theobald, 1872. Conch. Indica (3): 20, pl. 44, fig. 2.
(intro'd as intra-sp. of Unio marginalis Lamarck, 1819)

Taxonomic Opinions

Galatæa [sic] radiata Lamk. = Galatea paradoxa
+ Venus subviridis Gmelin, 1791
+ Venus paradoxa Born, 1778

Iridina exotica Lamk. = Mutela dubia
+ Iridina nilotica Cailliaud, 1823
+ Iridina mutel Rang, 1835

Iridina rubens Nob. = Chambardia rubens

Lucina aurantia Nob.

Mya arenaria Lin.

Mytilus edulis Linn.

Unio alata Say = Potamilus alatus

Unio atra Lea = Potamilus purpuratus

Unio australis Lamk. = Hyridella australis

Unio avicularis Lamk. = Prisodon syrmatophorus
+ Mya syrmatophora Gmelin, 1791

Unio avicularis Lamk. = Prisodon obliquus

Unio batava Maton = Unio crassus

Unio coarctata Lamk. = Elliptio complanata

Unio corrugata Mull. = Indonaia rugosa
+ Mya rugosa Gmelin, 1791

Unio corrugata Mull. = Parreysia corrugata

Unio egyptiaca [sic] Cailliaud = Coelatura aegyptiaca

Unio fragilis Say [sic] = Potamilus fragilis

Unio granosa Brug. = Diplodon granosus

Unio irrorata = Cyprogenia stegaria

Unio lanceolata Lea = Elliptio lanceolata

Unio littoralis = Potomida littoralis

Unio marginalis Lamk. = Lamellidens marginalis

Unio mytiloides = Pleurobema sintoxia

Unio naviformis Lamk. = Theliderma cylindrica
+ Unio cylindricus Say, 1817

Unio nilotica Cailliaud = Coelatura aegyptiaca

Unio pictorum Lin.
+ Mya pictorum Gmelin, 1791
+ Unio pictorum Draparnaud, 1806
+ Unio pictorum Draparnaud, 1806
+ Unio pictorum Draparnaud, 1806
+ Unio pictorum Pfeiffer, 1821
+ Mya ovalis Montagu, 1803
+ Mya ovata Donovan, 1802

Unio pictorum Lin. = Unio mancus

Unio pictorum Lin. = Unio tumidus

Unio pictorum Lin. = Unio crassus

Unio purpurascens Lamk. = Elliptio complanata
+ Unio purpureus Say, 1817

Unio radiata Gmel. = Atlanticoncha ochracea
+ Unio ochraceus Say, 1817

Unio radiata Gmel. = Lampsilis radiata

Unio rariplicata Lamk. = Amblema plicata

Unio rostrata Lamk. = Unio pictorum

Unio securis Lea = Ellipsaria lineolata

Unio sinuata Lamk. = Pseudunio auricularius
+ Mya margaritifera Gmelin, 1791

 
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