Give the comparative summary of the vertebrate classes

The term vertebrate defines all of the familiar large animals and some rare and unusual ones as well.

There are 7 vertebrate classes:

1. Agnatha-j awless fish that do not have scales.

2. Chondrichthyes - Fish that have skeletons

3. Osteichthyes - bony fish

4. Amphibia - Frogs, toads, and salamanders

5. Reptilia - turtles, snakes, lizards, alligators, and other large reptiles

6. Aves - all birds

7. Mammalia - Dogs, cats, bears, humans and most other large animals