asterozoan

📅 Updated:2021-11-11

🕒 Created:2021-11-11

🆔 ID:38487

Description

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.