Asterozoa | |
---|---|
A brittle star on a starfish | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Subphylum: | Asterozoa von Zittel, 1895[1] |
Classes | |
Synonyms | |
|
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 class Asteroidea (the starfish), the class Ophiuroidea (the brittle stars and basket stars), and the extinct order Somasteroidea.