Invertebrate animals classification

There are many different types of invertebrates and we classify them into groups. The main groups of invertebrates are:

1. Arthropods:
                          -   Insects.
                          -   Arachnids.
                          -   Crustacean.
                          -   Myriapods.

2. Molluscs:
                         -    Gastropods.
                         -    Bivavels.
                         -    Cephalopods.

3. Other invertebrates:

                         -        Worms.

                         -        Echinoderms.

                         -        Jellyfish.

                         -        Sponges.

1. Arthropods:

http://studyjams.scholastic.com/studyjams/jams/science/animals/arthropods.htm

 2. Molluscs:

3. Other invertebrates: