Anthobranchia

An`tho`bran´chi`a


n. pl.1.(Zool.) A division of nudibranchiate Mollusca, in which the gills form a wreath or cluster upon the posterior part of the back. See Nudibranchiata, and Doris.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.