Category:Cryptobranchiata

Cryp`to*bran`chi*a"ta (krp`t-bra`k-"t), n. pl. Etym: [NL., fr. Gr. krypto`s hidden + L. branchia a gill.] (Zoöl.) (a) A division of the Amphibia; the Derotremata. (b) A group of nudibranch mollusks.