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Unio crassus Philippson ex Retzius 1788

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Unio crassus is a species of Bivalvia in the family unionid freshwater mussels. It is listed as endangered by IUCN.

  • URI: http://eol.org/schema/terms/endangered
  • Definition: A taxon is Endangered when the best available evidence indicates that it meets any of the criteria A to E for Endangered, and it is therefore considered to be facing a very high risk of extinction in the wild.
  • Attribution: http://www.iucnredlist.org/technical-documents/categories-and-criteria
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EOL has data for 6 attributes, including: