Echinoidea

Echinoidea

(Science: zoology) The class echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See spatangoid, Clypeastroid.

alternative forms: Echinidea, and Echinoida.

Origin: NL. See echinus, and -oid.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 3 October 2005, at 21:16. This page has been accessed 4,645 times. 
What links here | Related changes | Permanent link