7 Vertebrate Classes
| Jawless | Lamprey Hagfish |
| Catilaganeous | Sharks Rays Skates |
| Bony | All other fish |
| Amphibians | Frogs Toads Salamanders Newts Caecilians |
| Reptiles | Snakes
& Lizards Turtles & Tortoises Alligators & Crocodiles Tuatara |
| Birds | Birds of
Prey Perching Wading Swimming Nonperching Land Bird |
| Mammals | Egg-laying:
duckbill platypus and spiny anteater Pouched: kangaroos, oppossums, koala Placental: dogs, cats,cattle, seals, whales, bats, apes, humans |