Sentence Examples with the word Pelmatozoa

The Echinoderms may be divided into seven classes, whose probable relations are thus indicated: Cystidea Edrioasteroidea Pelmatozoa Holothurioidea Crinoidea Blastoidea Eleutherozoa Stelliformia Echinoidea Brief systematic accounts of these classes follow: Grade A.

As in all Pelmatozoa these seem to have borne ciliated food-grooves protected by movable covering-plates (fig.