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nouncephalopods having two gills
Similar:
type of:
Definition that contains dibranch
- nudibranch any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
- sea slug any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
- belemnoidea order of extinct dibranchiate cephalopods related to the surviving spirulas
- ceras one of the often brightly colored and branching hornlike structures on the back of the nudibranch (and other related mollusks) that serve as gills
- order belemnoidea order of extinct dibranchiate cephalopods related to the surviving spirulas