Which one of the following is a correct matching set of a phylum and its three examples?
Pennatula and Gorgonia belong to phylum Cnidaria.
Ctenoplana belong to phylum Ctenophora.
Locusta and Limulus belong to phylum Arthropoda.
Octopus, Aplysia, Sepia, Chaetopleura and Loligo belong to phylum Mollusca.
Antedon and Cucumaria belong to phylum Echinodermata.