There are many different types of invertebrates and we classify them into groups.
ARTHROPODS
This group includes four subgroups: insects, arachnids, myriapods and crustaceans.
MOLLUSCS
There are three main subgroups: gastropds, bivalves and cephalopods
OTHER INVERTEBRATE GROUPS
There are other groups of invertebrates that include a variety of different animals:
CNIDARIANS: such as jellyfish
ANNELIDS: such as earthworms
ECHINODERMS: such as starfish
