Invertabrates are animals without a backbone. They are twenty times more invertebrate types of animals than their are vertebrate. Most are insects, with over a million described and cataloged, with several million more unidentified. Phyla that are classified as invertebrates include insects, jellyfish and sea anemones,hard-bodied crustaceans and spiders, segmented and unsegmented worms, starfish, sea urchins, slugs and snails, squid, and cuttlefish.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.