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Temporal range: Late Miocene–Recent
Dreissena polymorpha2.jpg
A shell (without byssus) of Dreissena polymorpha
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Heterodonta
Order: Veneroida
Superfamily: Dreissenoidea
Family: Dreissenidae
Genus: Dreissena
Beneden, 1835

See text

Dreissena is a genus of small freshwater mussels in the family Dreissenidae. The exact taxonomy of the species within the genus Dreissena is, however, uncertain.

As Kantor et al commented, "...the Russian specialists on freshwater molluscs appeared to be “splitters” comparing with their western colleagues. This sometimes leads to extreme differences in opinion on species number and taxonomy of some groups. For example, Graf [2007] recently analyzed the number of species of Unionoidea of Palearctic recognised by Russian malacologists (156 species in 34 genera) and western specialists (45 species in 16 genera). Most of the groups are still awaiting the critical re-assessment."[1]


Possible list of species within the genus Dreissena:[1][2][3][4]


  1. ^ a b Kantor, Y.I., M.V. Vinarski, A.A. Schileyko & A.V. Sysoev (2010). "Catalogue of the Continental Mollusks of Russia and Adjacent Territories" (PDF). Ruthenica, Russian Malacological Journal (online version). ISSN 2307-7336. Retrieved 2014-06-24. 
  2. ^ Kijashko, P. "Check-list for Caspian Sea molluscs". Caspian Sea Biodiversity Project under umbrella of Caspian Sea Environment Program. 
  3. ^ "Taxon Details: Dreissena Van Beneden 1835". Fauna Europaea. Retrieved 12 September 2014. 
  4. ^ The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 12 September 2014.