CtenophoraThe comb jellies, exclusively marine, gelatinous animals that are characterized by the presence of eight rows of comb plates which bear cilia used for swimming. Ctenophorans were once classified with cnidarians (phylum Cnidaria), but are now considered to represent a separate phylum. Well-known examples are often called sea gooseberries. Related category• ZOOLOGYAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |