• Sponges
• 1st phylum

• Jellyfish, hydra, coral
• 2nd Phylum

• Flatworms- tapeworms
• 3rd phylum

• Roundworms=leeches, pin worms
• 4th phylum

• Clams, snails, squid, octipy
• 3 classes
• 2nd largest phylum

Phylum Mollusca's Classes

1. 2 shells

2. 1 shell

3. tenticles

1. Bivalves

2. Gasstropods

3. Copholopods

• Segmented worms =earthworms
• 6th phylum

• Lobster, spiders, insects
• 7th Phylum
• 3 classes

Phylum Arthropoda

1. 3 legs

2. 4 legs

3. 5+ legs

1. Insects

2. Arachneda

3. Crustacia

• 8th phylum
• starfish, sea stars.

• 1st Class
• Ex: Jawless fish

• Ex: Cartilage Shark
• 2nd Class

• Ex: Boney fish
• 3rd Class

• Ex: Frogs
• 4th class

• Ex: Anolie
• 5th Class

• Ex: Humans
• 7th Class

• 7 Classes