Mazon Creek Fossil Fauna - Index

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                 Cnidarians
    Sea Jellies, Anemones, Hydroids
                  Polychaete Worms
               Other worm-like animals

Arthropods

                   Horseshoe Crabs
    Scorpions, Eurypterids, Euthycarcinoids
                    Spider-like Arachnids
                                          Insects, Nymphs and Wings
                       Millipedes, Centipedes

                                                                         Crustaceans

                    Syncarid Shrimp
     Marine-estuarine Shrimp and Molts
Cycloids, Branchiopods, Ostracodes,             Barnacles, Flea Shrimp
               Clams and Scallops
                   Chitons and Gastropods
     Sea Cucumbers, Brachiopods,
​               and Acorn Worms

Chordates

              Sharks and Jawless Fish
                Bony Fish and Scales
             Tetrapods and "Blades"
                                                           Egg Cases
Tully Monsters, "Y" and "H" animals

Trace Fossils

Coprolites, Trails, Insect Feeding Damage