Anthobranchia

‖n. pl. [ NL., fr. Gr. 'a`nqos flower + &unr_; gills, n. pl. ] (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. [ 1913 Webster ]