Kingdom: Animalia Subkingdom: Eumetazoa Phylum: Ctenophora Ctenophora is a phylum of exclusively marine invertebrates. Ctenophora means “comb-bearing”. They are commonly known as comb jellies or sea walnuts. The distinguishing feature of the phylum is the presence of comb plates with cilia that are used for locomotion. They are free-living...