Centipedes and Millipedes
Centipedes, Enchanted Learning: Centipede, Enchanted Learning: Millipede, Giant Redheaded Centipede, Giant West African Millipedes, Millipedes as Pests, Ohio State University Extension: Centipede, Provincial Museum of Alberta: Millipede, World Almanac for Kids: Centipede, Yellow-Spotted Millipede
Insects
Ants, Bees, Beetles, Butterflies and Moths, Cicadas and Aphids, Crickets and Grasshoppers, Dragonflies, Fireflies, Praying Mantids, 3-D Insects, AntBoy's Bugworld, Ants of Arizona, B-EYE, Bug Bios, Bug Bodies, Bug Identification, CityBugs, Deadly Insects: Killer Bees and Termites Wreak Hav, Earwig
Jellyfish
Aquafacts: Jellies, Aurelia Aurita (Saucer Jelly, Moon Jelly, Common S, Freshwater Jellyfish, Giant Jellyfish, Glossary of Jellyfish, Jellyfish, Jellyfish, Jellyfish, Jellyfish Up Close, Jewels of the Sea
Mollusks
Clams, Oysters, and Scallops, Conch, Limpet, Mussels, Octopus and Squid, Slugs and Snails, Whelk, Enchanted Learning: Mollusks, Just the Facts
Spiders, Mites, and Ticks
Beakman & Jax - Spider Webs, Black Widow Spiders, Brown Recluse First Aid Kit, Gardensafari: Garden Spiders, Golden Garden Spider, Lynx Spider, Oceanlink: Sea Spider, Sea Spider, Spider Family Key, Spider Pages
Starfish
Common Starfish: Asteria rubens, Sea and Sky: Echinoderms, Starfish Dissection, Starfish Science, The Shape of Life: Echinoderms, The Starfish Dissection Tutorial
Worms
Common Garden Creatures, Earthworm Review, The Adventures of Herman the Worm, Yucky Worm World
Invertebrates
Brief information about specific invertebrates, sorted by phyla.