Animals

1. Vertebrate

1.1. Mammals

1.1.1. Beaked Mammals

1.1.2. Marsupial Mammals

1.1.3. Placental Mammals

1.2. Reptails

1.2.1. Snakes

1.2.2. Lizzards

1.2.3. Crocodiles

1.2.4. Turtles

1.3. Birds

1.3.1. Flightless Birds

1.3.2. Flying Birds

1.4. Fish

1.4.1. Cartilaginous Fishes

1.4.2. Bony Fish

1.5. Amphibians

1.5.1. Legless Frogs

1.5.2. Tailless Frogs

1.5.3. Tailed Frogs

2. Invertebrate

2.1. Arthropods

2.1.1. Insects

2.1.2. Arachnids

2.1.3. Multi-leggeds

2.1.4. Crustaceans

2.2. Sponges

2.3. Celestials

2.4. Worms

2.4.1. Flatworms

2.4.2. Roundworms

2.4.3. Annelid Worms

2.5. Molluscs

2.6. Echnioderms