Dreissena
Encyclopedia
Dreissena is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of small freshwater mussel
Mussel
The common name mussel is used for members of several families of clams or bivalvia mollusca, from saltwater and freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other edible clams, which are often more or less rounded or oval.The...

s in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Dreissenidae
Dreissenidae
The Dreissenidae are a family of small freshwater mussels, aquatic bivalve mollusks. They attach themselves to stones or to any other hard surface using a byssus.-Genera:Genera within the family Dreissenidae include:* Congeria...

.

Species

  • Dreissena polymorpha, the zebra mussel
    Zebra mussel
    The zebra mussel, Dreissena polymorpha, is a small freshwater mussel. This species was originally native to the lakes of southeast Russia being first described in 1769 by a German zoologist Peter Simon Pallas in the Ural, Volga and Dnieper rivers. They are still found nearby, as Pontic and Caspian...

    • Dreissena polymorpha polymorpha
    • Dreissena polymorpha andrusovi
  • Dreissena bugensis, the quagga mussel
    Quagga mussel
    The quagga mussel is a subspecies of freshwater mussel, an aquatic bivalve mollusk.It is one of seven Dreissena species and has an average life span of 3 to 5 years....

  • Dreissena rostiformis
    • Dreissena rostriformis compressa
    • Dreissena rostriformis distincta
    • Dreissena rostriformis grimmi
    • Dreissena rostriformis pontocaspica
  • Dreissena stankovici
  • Dreissena caspia caspia
  • Dreissena elata elata
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