( n. pl. )
A division of nudibranchiate Mollusca, in which the gills form a wreath or cluster upon the posterior part of the back. See Nudibranchiata, and Doris.
( n. pl. )
A division of nudibranchiate Mollusca, in which the gills form a wreath or cluster upon the posterior part of the back. See Nudibranchiata, and Doris.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012