Urochordata
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Introduction
Sometimes know as Tunicata.
Characteristics
The majority of urochordata start life as free swimming larva that exhibit all the characteristics of chordates. Once they settle and attach to a hard substrate they lose their tail and no longer able to move. At which point the majority of their nervous system disintegrates. [1]
Classification
- Ascidiacea - Commonly known as the ascidians or sea squirts [2]
- Larvacea - Small free-swimming tunicates [2]
- Thaliacea - Holoplanktonic organisms [2]
- Sorberacea - Deep-water tunicata [2]
Gallery
Resources
References
- ↑ (http://www.ucmp.berkeley.edu/): University of California Museum of Paleontology, Regents of the University of California, 1994 -2001.
- ↑ 2.0 2.1 2.2 2.3 (http://www.answers.com): Answers Corporation, 2010, Retrieved: 13 May 2010, http://www.answers.com/topic/tunicate.
