Echinozoa
Echinozoa | |
---|---|
The melon sea urchin (Echinus melo) in northwest Sardinia | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Subphylum: | Echinozoa |
Classes | |
† = Extinct |
Echinozoa is a subphylum of free-living echinoderms in which the body is essentially globoid with meridional symmetry. Echinozoans lack arms, brachioles, or other appendages, and do not at any time exhibit pinnate structure.[1]
See also
References
This article is issued from Wikipedia - version of the 11/28/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.