Webum > Kids and Teens > School Time > Science > Living Things > Animals > Invertebrates Anemones Centipedes and Millipedes Clams, Oysters, and Scallops Crustaceans Insects Jellyfish Mollusks Octopus and Squid Sand Dollar Scorpions Sea Urchin Slugs and Snails Spiders, Mites, and Ticks Sponges Starfish Worms See also Kids and Teens > School Time > Science > Living Things > Animals > Marine Life Case of the Taken Tractor Invertebrate online quiz with instant feedback intended for a middle school aged audience. Requires Flash. Invertebrates Brief information about specific invertebrates, sorted by phyla. Help build the biggest human edited directory on the internet Add your website - Open Directory Project - Become an editor