notobranchiata

1 definition found

notobranchiata - Collaborative International Dictionary of English v.0.48 :

  Notobranchiata \No`to*bran`chi*a*ta\, n. pl. [NL. See Notum,
     and Branchia.] (Zool.)
     (a) A division of nudibranchiate mollusks having gills upon
         the back.
     (b) The Dorsibranchiata.
         [1913 Webster]