Almost every animal is a vertibrae, so it depends on what you are asking.
Aside from the common invertebrates we know like insects, cnidarians, molluisks, echinodrms, etc... there are also chordates that do not have vertebrae for example, the tunicates(urochordata) and the...
Back Bones
Snakes and lizards fall into those conditions.
organisms with a vertebrae are called vertebrates. organisms without are called invertebrates (like slugs and snails)
an octopus, jelly fish, insects, arachnids (8 legged critters like spiders or lobsters), crabs, the list goes on....