'Ceratobranchia' definitions:

Definition of 'Ceratobranchia'

From: 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]