# 7 Other groups of invertebrates
Details about some more phyla of invertebrates: Annelids, Nematodes, Molluscs.
1. Phylum Annelids
Annelids are worms, with bodies made up of ring-like segments. Most of them live in water, some like the earthworm live in moist soil.
2. Phylum Nematodes
Nematodes are worms, but unlike annelids their bodies are not divided into segments. They are usually white, long and thin. They live in many different habitats. Many nematodes live in the soil.
3. Phylum Molluscs
Molluscs are soft-bodies animals, sometimes with a shell (snails) or without (slugs).