Mollusks
snails, clams, squids and octopodes. Mollusca. Mollusks are a large group of invertebrate animals. Mollusks have soft bodies, and their bodies are not divided into rings like the segmented worms called annelids. By Laura Klappenbach. Mollusks (Mollusca) are a group of invertebrates that includes squid, octopuses, cuttlefish, nudibranchs, snails, slugs, limpets, sea hares, mussels, clams, oysters, scallops, as well as many less well-known animals. Scientists estimate that there are more than 100,000 species of mollusks alive today. 1 Mollusks are soft-bodied animals, which often live in hard shells. 2  They include snails, slugs, octopus, squid, mussels, oysters, clams, scallops, chitons, and cuttlefish. 3  Mollusks are the second-largest group of invertebrates, with 50,000 living species. 4  Arthropods are the largest and most diverse of all animal groups.
http://www.biokids.umich.edu/critters/Mollusca/ http://animals.about.com/od/molluscs/p/molluscs.htm http://www.factmonster.com/ipka/A0768513.html
what group of invertebrates are snails