Tree of Life, Page 1

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Animalia

*Parazoa

**Porifera (Sponges)

*Eumetazoa

**Radiata

+Ctenophora (Comb Jellies)

+Cnidaria

++Anthozoa (Corals)

++Medusozoa (Jellyfish)

**Bilateria

+Chaetognatha (A type of Plankton)

+Protostomia

++Ecdysozoa

-Nematoda (Roundworms)

-Nematomorpha (Parasitic Horsehair Worms)

-Panarthropoda

--Tardigrades (Water Bears)

--Arthropoda

~Chelicerata (Arachnids, Horseshoe Crabs, Sea Spiders)

~Myriapoda (Centipedes, Millipedes)

~Crustacea (Shrimp, Barnacles, Crabs, Lobsters)

~Hexapoda (Insects)

++Lophotrochozoa

-Nemertea (Ribbon Worms)

-Bryozoa (Moss Animals )

-Annelida (Earthworms, Leeches)

-Brachiopoda (Lamp Shells)

-Mollusca

--Gastropoda (Snails, Slugs, various shelled things)

--Bivalvia (Clams, Oysters, Mussels, Etc)

--Cephalopoda (Squids, Octopi, Cufflefish, Nautiluses)

+Deuterostoma

++Echinodermata

-Crinozoa (Sea Lillies)

-Asterozoa (Starfish, Brittlestars)

-Echinozoa (Sea Urchins)

++Cordata

-Cephalchordata (Lancets)

-Vertebrata

--Hyperoartia (Lampreys)

--Gnathostomata

~Chondrichthyes (Sharks, Rays)

~Teleostomi (Fish, Amphibians, Reptiles, Birds, Mammals)

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