Cryptobranchiata

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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]