from The Century Dictionary.
- noun A genus of bivalve lamellibranchs, of the family Mytilidœ, or mussels, or made type of the family Dreissenidœ.
from the GNU version of the Collaborative International Dictionary of English.
- proper noun (Zoöl.) A genus of bivalve shells of which one species (
Dreissena polymorpha) is often so abundant as to be very troublesome in the fresh waters of Europe.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun zebra mussels
Sorry, no etymologies found.
& Rasmussen, J.B. “Impending extinctions of North American freshwater mussels (Unionida) following the zebra mussel (Dreissena polymorpha) invasion.”
The zebra mussel (Dreissena polymorpha) was introduced to North America in the early 1990s and has been spreading throughout the Mississippi river basin, which contains the largest number of endemic mussels in the world.
A species 'arrival may be spectacular, as in the case of zebra mussels (Dreissena polymorpha) in the Great Lakes or the comb jelly Mnemiopsis leidyi in Europe, or it may go unnoticed in the absence of molecular tools and careful monitoring.
Many invasive species have been introduced into new areas in this manner, including the zebra mussel (Dreissena polymorpha), pictured here.
The invading zebra mussel, Dreissena polymorpha, has a different reproductive system than North American bivalves.
Amongst those of the first we may instance Limnoea stagnalis, palustris, peregra, etc, Dreissena polymorpha, Planorbis corneus, etc.; the various Unios, anodons, and many others.
Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy.
Dreissena, of living species; and in clay brought up from below the sand, shells of Tellina, Lutraria, and Cardium, all of species now inhabiting the adjoining sea.
As the Dreissena is believed by conchologists to have been introduced into Western Europe in very modern times, brought with foreign timber in the holds of vessels from the rivers flowing into the Black Sea, the layer of sand containing it in the Haarlem lake is probably not more than a hundred years old.
The zebra mussel (Dreissena polymorpha) has been well known for its expertise in attaching to substances under the water.
Zebra mussels, Dreissena polymorpha, are native to the Caspian and Black Seas.