Geological Range of Plants Archaeopteris fossil plant Sphenophyta

Geological Range of Plants

Archaeopteris fossil plant- Sphenophyta Progymnosperm Devonian through Mississippian

Archeapteris stump

Calamites - plant

Geological range of various phyla

Ediacaran Fossils- phylum Cnidaria (? ), Annelida (? ) Late Proterozoic (p. C)

Burgess fauna Canadia Segmented worms- Annelida- Late Precambrian to recent Polychaete worm from Mazon Creek

Burgess Fossil- Hallucigenia sparsa originally classified as an annelid (segmented worm) recently reclassified as an Onychophoran (velvet worms)

Waptia- Burgess shale fauna, an Arthropod, probably a crustacean

Phylum, Class, Order Rugose Coral (Horn Coral) Cnidaria, Anthozoans, Rugosa Cambrian (? ) Ordovician-Permian

Branching Corals, Cnidaria, Anthozoa, Tabulata Ord to Permian

Scleractin Corals- Cnidaria, Anthozoa, Scleractinia Triassic to recent

Triassic to recent Ord to Permian

Brachiopods- Brachiopoda, 6 Classes, 25 Orders Cambrian to present

Bryozoans, Lophophorata, 3 Classes, 9 Orders Early Ordovician to present

Sponges- Porifera, 4 Classes, (Demospongia, Hexactinellida, Calcarea, Archeocyatha, possibly Stromatoporoids), many orders From the early Cambrian to present

Crinoids and Sand dollar. Echinodermata, Crinodea and Echinoidea, and numerous Orders Cambrian to recent

Sea star and Brittle star, Echinodermata, Asteroi dea and Ophiuroidea, numerous Orders Cambrian to recent

• Phylum Mollusca- most numerous behind arthropods Classes * Aplacophora-no shells * Monoplacophera - Chitons * Polyplacophora- 2 shelled * Scaphopoda - Tooth shells * Gastropoda - snails * Bivalvia - clams, oysters, mussels * Cephalopoda- octopus, squid

Ammonite Cephalopod- Mollusca, Cephalopoda, Ammonoidea Devonian to Cretaceous Nautiloid Cephalopod- Mollusca, Cephalopoda, Nautiloidea Cambrian to recent

“Tusk” or “Tooth” shells - Mollusca, Scaphopoda Ordovician to recent

Snails- Mollusca, Gastropoda Cambrian to recent

Belemnite Mollusk- Mollusca, Belemnoidea, Carboniferous (Mississippian) to Tertiary

Bivalve Mollusks- e. g. , clams, oysters, scallops Mollusca (Pelecypoda), Bivalvia, and numerous Orders Cambrian to recent

“Tully monster” - unknown systematics- possibly Mollusca Found only in Mazon Creek Fm, Pennsylvanian System only State Fossil!

Arthropod systematics- most abundant organisms presently four Classes with many dozens of Orders Trilobita- trilobites Chelicerata- spiders, scorpions, horseshoe crabs Crustacea- crabs, shrimp, lobsters Uniramia- insects May be several other Classes that should be added, related to organisms found in the burgess shale and other localities (e. g. , China).

Trilobites-Arthropoda, Trilobita, and many Orders