"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 ...
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(the starfish), the class Ophiuroidea (the brittle stars and basket stars), and the extinct order Somasteroidea." - (Wikipedia (en) 29.07.2023)
