The Asterozoa are a subphylum in the phylum Echinodermata. Characteristics include a star-shaped body and radially divergent axes of symmetry. The subphylum includes the two classes Asteroidea, the starfish, and Ophiuroidea, the brittle stars and basket stars, and perhaps the extinct order Somasteroidea. ==Asteroidea== Members of the order Asteroi...
Found on
http://en.wikipedia.org/wiki/Asterozoa
(from the article `echinoderm`) ...Inadunata, and Flexibilia; living subclass Articulata, which includes stalked sea lilies and unstalked feather stars; about 700 living ...
Found on
http://www.britannica.com/eb/a-z/a/115
No exact match found.
