echinoderm's

Updated: May 24, 2025

Each of these anchors is jointed at its root into one end of a curious cribriform plate, in plain English, one pierced like a sieve, which lies under the skin, and reminds one of the similar plates in the skin of the White Cucumaria, which I will show you presently; and both of these we must regard as the first rudiments of an Echinoderm's outside skeleton, such as in the Sea-urchins covers the whole body of the animal.

Charles Kingsley - Glaucus, or the Wonders of the Shore