Platyhelminthes
Turbellaria- planaria
Trematoda- flukes
Cestoda- tapeworms
Cnidaria
Hydrozoa- hydra, obelia
Scyphozoa- marine jellyfish
Anthozoa- sea anemones, coral
Nematoda
Ascaris
Rotifera
-
Mollusca
Gastropoda- snails, slugs Bivalvia- clams, oysters, mussels Cephalopoda- squids, octopuses Polyplacophora- chitons Scaphopoda- tusk shells
Annelida
Polychaeta- clam worms
Oligochaete- earth worms
Hirudinea- leeches
Echinodermata
Holothuroidea- sea cucumbers Echinoidea- sand dollars Asteroidea- sea stars Ophiuroidea- brittle stars Crinoidea- sea Lillie's