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Thaliacea

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Thaliacea

Scientific classification

Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Urochordata
Class:	Thaliacea

Orders

The Thalicea comprise a class of marine animals within the subphylum Urochordata. Unlike their bottom-dwelling relatives the ascidians, thaliaceans are free-floating for their entire lifespan. Thaliaceans of the order Pyrosomida are colonial, living in groups that can be over a meter long. Those of the order Doliolida live singly, Salpida live singly or form loosely connected "chains". All of the thaliceans are filter feeders. They have a barrel-shaped body through which they pump water, propelling them through the sea and from which they extract food.

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External links

Information on Thaliacea at earthlife.net (http://www.earthlife.net/inverts/thaliacea.html)
Information on Thaliacea at amonline.net.au (http://www.amonline.net.au/fishes/fishfacts/fish/salp.htm)
Information on Thaliacea at ascidians.com (http://www.ascidians.com/families/thaliacea/thaliacea.htm)

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