''Unio mancus'' is a species of
freshwater mussel
Freshwater bivalves are one kind of freshwater mollusc, along with freshwater snails. They are bivalves that live in fresh water as opposed to salt water, which is the main habitat type for bivalves.
The majority of species of bivalve molluscs ...
, an
aquatic bivalve
Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bival ...
mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
in the family
Unionidae
The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or simply as unionids.
The range of distribution for this family is world-wide. It is at its most diverse ...
, the river mussels.
;Subspecies:
* ''Unio mancus mancus''
Lamarck, 1819
* ''Unio mancus requienii''
Michaud, 1831
* ''Unio mancus turtonii''
Payraudeau, 1826
Distribution
This species can be found from northeast Spain throughout the Mediterranean zone, northeast Africa and in the Middle East. It is present in Austria, Bosnia and Herzegovina, Croatia, Cyprus, France, Greece, Italy, Lebanon, Montenegro, Slovenia, Spain, Switzerland, Syria and Turkey.
Description
Shells of ''Unio mancus'' usually reach a size of , with a maximum of . These freshwater mussels have a dark brown or yellowish-green periostracum. The shells are equivalve, inequilateral and oval-shaped, with a rounded anterior margin and a truncated posterior margin. The inner is iridescent white.
[RAFAEL ARAUJO, IGNACIOGO MEZ AND ANNIE MACHORDO]
THE IDENTITY AND BIOLOGY OF UNIO MANCUS LAMARCK, 1819 (=U. ELONGATULUS)(BIVALVIA:UNIONIDAE) IN THE IBERIAN PENINSULA
/ref>
References
* Rossmässler, E. A. (1854-1858). Iconographie der Land- & Süßwasser-Mollusken Europa's, mit vorzüglicher Berücksichtigung kritischer und noch nicht abgebildeter Arten. (1) 3
External links
Lamarck_[J.-B._M.
de._(1819)._Histoire_naturelle_des_animaux_sans_vertèbres._Tome_6(1):_vi_+_343_pp._Paris:_published_by_the_author..html" ;"title=".-B. M.">Lamarck [J.-B. M.
de. (1819). Histoire naturelle des animaux sans vertèbres. Tome 6(1): vi + 343 pp. Paris: published by the author.">.-B. M.">Lamarck [J.-B. M.
de. (1819). Histoire naturelle des animaux sans vertèbres. Tome 6(1): vi + 343 pp. Paris: published by the author.
Lea, I. (1834). Observations on the naïades; and descriptions of new species of that, and other families. Transactions of the American Philosophical Society. (NS) 5: 23-119, pls 1-19
Locard, A. (1882). Prodrome de malacologie française. [I
Catalogue général des mollusques vivants de France. Mollusques terrestres, des eaux douces et des eaux saumâtres. vi + 462 pp. Lyon: Henri Georg.]
Drouët, H. (1888). Unionidae nouveaux ou peu connus (5ème article). Journal de Conchyliologie. 36(1): 103-111
Kobelt, W. (1910-1911). In: Rossmässler, E.A., Iconographie der Land- & Süßwasser-Mollusken mit vorzüglicher Berücksichtigung der europäischen noch nicht abgebildeten Arten, (2) 17 (1/2): 1-24, pl. 451-460
Marrone F., Nardi G., Cianfanelli S., Govedič M., Barra S.A., Arculeo M. & Bodon M. (2019). Diversity and taxonomy of the genus Unio Philipsson in Italy, with the designation of a neotype for Unio elongatulus C. Pfeiffer (Mollusca, Bivalvia, Unionidae). Zootaxa. 4545(3): 339-374
Froufe, E.; Lopes-Lima, M.; Riccardi, N.; Zaccara, S.; Vanetti, I.; Lajtner, J.; Teixeira, A.; Varandas, S.; Prié, V.; Zieritz, A.; Sousa, R.; Bogan, A. E. (2017). Lifting the curtain on the freshwater mussel diversity of the Italian Peninsula and Croatian Adriatic coast. Biodiversity and Conservation. 26(14): 3255-3274
mancus
Mancus (sometimes spelt ''mancosus'' or similar, from Arabic ''manqūsh'' منقوش) was a term used in early medieval Europe to denote either a gold coin, a weight of gold of 4.25g (equivalent to the Islamic gold dinar, and thus lighter than the ...
Bivalves described in 1819
Habitats Directive Species
{{Unionidae-stub