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First Life On Earth??? (Bacteria ((Trilobites (Mollusks (Crabs (Spiders)))…

- - - - Mollusks
        
        Crabs
        
        Spiders
        
        Scorpions
    - - Bony Fish
        
        Armored Fish
        
        Sharks
    - - Frogs
    - - Sea Squirts
        
        Sponges
        
        Sea Stars
        
        Flat Worms
- - - - Liverworts
        
        Ferns
        
        Cycads
        
        Horsetails
        
        Gingoes
        
        Flowering Plants
- - - - Grasshoppers
        
        Milipedes