Petalosticha

Pet`a`los´ti`cha


n. pl.1.(Zool.) An order of Echini, including the irregular sea urchins, as the spatangoids. See Spatangoid.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Echini, Desmoticha and Petalosticha. Australian Museum, Catalogue No.