Answer:
The 9 very familiar animal phyla are: Porifera (sponges), Cnidaria (jellyfish, corals, and sea anemones), Arthropoda (including insects, spiders, crabs, and centipedes), Nematoda (roundworms such as the river blindness parasite of humans, and the slug-killer nematodes used by gardeners), Annelida (earthworms, ragworms, ...