Echinothurioida

Echinothurioida

[‚ek·ə·nō·thu̇·rē′ȯid·ə]
(invertebrate zoology)
An order of echinoderms in the superorder Diadematacea with solid or hollow primary radioles, diademoid ambulacral plates, noncrenulate tubercles, and the anus within the apical system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The last family, the Echinothuriidae (Echinothurioida), is represented by a single deep-sea species (Table 1).
Part 2, Echinothurioida, Diadematoida and Stirodonta (1, Calycina).