from Wikipedia, the free encyclopedia
Tanaissus lilljeborgi from the North Sea

Tanaissus lilljeborgi from the North Sea

Trunk : Arthropod (arthropoda)
Sub-stem : Crustaceans (Crustacea)
Class : Higher crabs (Malacostraca)
Subclass : Eumalacostraca
Superordinate : Satchel Shrimp (Peracarida)
Order : Scissors
Scientific name
Dana , 1849

As tanaidacea (Tanaidacea) one is fine assel-like crustaceans called, with about 940 worldwide species in 224 genera mostly in the soil due to the littoral of the oceans , but also in the deep sea life and fresh water.

The animals have a cylindrical articulated body. A carapace covers the first two segments of the thorax. Scissors sit on the first pair of legs. Some of the other pairs of legs are used to filter the food out of the water. Eyes sit on stems or are absent. They are usually small and only reach 1 to 2 millimeters in length. The largest species are 20 millimeters long.


  • H. Füller, H.-E. Gruner, G. Hartwich, R. Kilias, M. Moritz: Urania Tierreich, Invertebrates 2 (Annelida to Chaetognatha) . Urania-Verlag, Berlin 1994, ISBN 3-332-00502-2 .

Web links

Commons : Scissor Woods (Tanaidacea)  - Collection of images, videos, and audio files