'Cryptobranchiata' definitions:

Definition of 'Cryptobranchiata'

From: GCIDE

Cryptobranchiata \Cryp`to*bran`chi*a"ta\ (kr?p`t?-bra?`k?-?"t?), n. pl. [NL., fr. Gr. krypto`s hidden + L. branchia a gill.] (Zool.) (a) A division of the Amphibia; the Derotremata. (b) A group of nudibranch mollusks. [1913 Webster]