What Are The Invertebrates Without Jointed Legs?

What Are The Invertebrates Without Jointed Legs? Worms are invertebrates that don’t have legs. They live in soil, water, or inside other animals as parasites. Worms include earthworms, tapeworms and leeches. Spiders, centipedes and scorpions are part of the arthropod phylum, but they are arachnids, not insects, because they have eight legs. Do snails have