Unio mancus

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

Unio mancus
A view of valves of Unio mancus
A live individual of Unio mancus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Unio
Species:
U. mancus
Binomial name
Unio mancus
Lamarck, 1819
Synonyms
  • Unio elongatulus Pfeiffer, 1825

Distribution

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

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
  1. 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
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