Ceratobranchia

1 definition found

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

  Ceratobranchia \Cer`a*to*bran"chi*a\, n. pl. [NL., fr. Gr.
     ke`ras, ke`ratos, horn + ?, n. pl., gills.] (Zool.)
     A group of nudibranchiate Mollusca having on the back
     papilliform or branched organs serving as gills.
     [1913 Webster]