Which group of animals belong to the same phylum?
Obelia, Physalia, Aurelia,– Cnidaria
Sycon (Scypha), Euspongia, Spongilla – Porifera
Pleurobrachia – Ctenophora
Taenia, Fasciola – Platyhelminthes
Ancylostoma – Aschelminthes
Nereis, Pheretima– Annelida