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Unio mancus

From Wikipedia, the free encyclopedia

Unio mancus
A view of valves of Unio mancus
A live individual of Unio mancus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Subfamily: Unioninae
Tribe: Unionini
Genus: Unio
Species:
U. mancus
Binomial name
Unio mancus
Lamarck, 1819
Synonyms
  • Unio elongatulus Pfeiffer, 1825
  • Unio emarginatus I. Lea, 1834 ·
  • Unio fascellinus Locard, 1882
  • Unio lagnisicus Bourguignat, 1882 ·
  • Unio manca Lamarck, 1819
  • Unio plebeius Drouët, 1888 (junior homonym of Unio compressus var. plebius C.B. Adams, 1842)
  • Unio suborbicularis Drouët, 1888
  • Unio valentinus Rossmässler, 1854 (junior synonym)
  • Unio voltzii var. ursannensis Kobelt, 1911 (junior synonym)

Unio mancus is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.[2][3]

Subspecies
  • Unio mancus mancus Lamarck, 1819
  • Unio mancus requienii Michaud, 1831
  • Unio mancus turtonii Payraudeau, 1826

Distribution

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This species can be found from northeast Spain throughout the Mediterranean zone, northeast Africa and in the Middle East.[4] It is present in Austria, Bosnia and Herzegovina, Croatia, Cyprus, France, Greece, Italy, Lebanon, Montenegro, Slovenia, Spain, Switzerland, Syria and Turkey.[1]

Description

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Shells of Unio mancus usually reach a size of 55–65 millimetres (2.2–2.6 in), with a maximum of 10 centimetres (3.9 in).[5] 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.[6]

References

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  1. 1 2 Lopes-Lima, M.; Seddon, M.B. (2014). "Unio mancus". IUCN Red List of Threatened Species. 2014 e.T22737A42466471. doi:10.2305/IUCN.UK.2014-3.RLTS.T22737A42466471.en. Retrieved 13 November 2021.
  2. Catalogue of life
  3. WoRMS
  4. Encyclopedia of life
  5. Annales de la Société Linneenne de Maine-et-Loire. – v1 (1853)
  6. RAFAEL ARAUJO, IGNACIOGO MEZ AND ANNIE MACHORDOM THE IDENTITY AND BIOLOGY OF UNIO MANCUS LAMARCK, 1819 (=U. ELONGATULUS)(BIVALVIA:UNIONIDAE) IN THE IBERIAN PENINSULA
  • Rossmässler, E. A. (1854-1858). Iconographie der Land- & Süßwasser-Mollusken Europa's, mit vorzüglicher Berücksichtigung kritischer und noch nicht abgebildeter Arten. (1) 3
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