Matching Pairs MatchOnline version Complete by José Torrecillas Baena 1 Snail, octopus, slug, squid 2 Earthworm, leech. 3 Starfish, sea urchin. 4 Jellyfish, anemone, coral 5 Ant, crab, scorpion, mantis, centipede, bee. Cnidarians Molluscs Worms Echinoderms Arthropods.