THE DEVONIAN Life in the Devonian Sponges with glass skeleton Hydnoceras left Hindia above
THE DEVONIAN Life in the Devonian Sponges and tabulate coral reefs
THE DEVONIAN Life in the Devonian Devonian corals Rugose Corals Petoskey Stone Tabulate coral State fossil of Michigan
THE DEVONIAN Life in the Devonian Spiriferid brachiopods
THE DEVONIAN Life in the Devonian Goniatite cephalopods Suture pattern more complex than Nautiloid
THE DEVONIAN Life in the Devonian Fish Placoderms expanded rapidly in Devonian Dunkleosteus Arthrodires - carnivorous
THE DEVONIAN Life in the Devonian Fish Placoderms expanded rapidly in Devonian Antiarchs – mud-grubbers Pterichthyoides above Bothriolepis right
THE DEVONIAN Life in the Devonian Fish Chondrichthyan fish – cartilagenous fish Cladoselache
THE DEVONIAN Life in the Devonian Fish Osteichthyan fish – bony or ray-finned fish Cheirolepis
THE DEVONIAN Life in the Devonian Fish Osteichthyan fish – lobe-finned fish Led to tetrapods Dipterus
THE DEVONIAN Life in the Devonian Eurypterids Eurypterus remipes
THE DEVONIAN Life in the Devonian Plants Aglaophyton left Rhynia center Horneophyton right
THE DEVONIAN Life in the Devonian Plants Lycopsids Pteridophytes (seed ferns) Sphenopsids (Calamites)
THE DEVONIAN Life in the Devonian Plants
THE DEVONIAN Life in the Devonian Plants
THE MISSISSIPPIAN The Age of Crinoids Mississippian named by Alexander Winchell in 1870 Named for carbonate rocks deposited in the Upper Mississippi River valley Lower Carboniferous in Europe and Canada
THE MISSISSIPPIAN
The Age of Crinoids Acadia highlands reduced Decrease in muddy sediments Paleozoic flooding by epeiric seas
THE MISSISSIPPIAN The Age of Crinoids
THE MISSISSIPPIAN Mississippian Tectonics
THE MISSISSIPPIAN Mississippian Tectonics
THE MISSISSIPPIAN The Age of Crinoids Acadia highlands reduced Decrease in muddy sediments Paleozoic flooding by epeiric seas
THE MISSISSIPPIAN The Age of Crinoids Crinoids abundant Ooids abundant Clear, shallow marine water Salinity higher than normal Mississippian Lime Bank
THE MISSISSIPPIAN The Age of Crinoids Late Mississippian the Kaskaskia sea retreated
THE MISSISSIPPIAN The Age of Crinoids Late Mississippian the Kaskaskia sea retreated Detrital muds and limestones formed. Petroleum reservoirs Nonmarine shales and sandstones from erosion of Acadian highlands
THE MISSISSIPPIAN The Age of Crinoids Erosion of Acadian highland produced Pocono Ss. Forms resistant ridges of the Pocono Mtns. Forms third clastic wedge
THE MISSISSIPPIAN The Age of Crinoids Erosion of Acadian highland produced Pocono Ss.
THE MISSISSIPPIAN The Age of Crinoids Life in the Mississippian Rugose corals common
THE MISSISSIPPIAN The Age of Crinoids Life in the Mississippian Archimedes common bryozoan
THE MISSISSIPPIAN The Age of Crinoids Life in the Mississippian Bivalves uncommon Goniatite cephalopods Graptolites go extinct
THE MISSISSIPPIAN The Age of Crinoids Life in the Mississippian Crinoids abundant
THE MISSISSIPPIAN The Age of Crinoids Life in the Mississippian Insects become abundant Forests include Seed ferns (Pteridospermae) Lycopsids Sphenopsids
THE PENNSYLVANIAN The Age of Coal Swamps Pennsylvanian named by Henry S. Williams in 1891 Named for coal-bearing rocks deposited in Pennsylvanian Upper Carboniferous in Europe and Canada
THE PENNSYLVANIAN
The Age of Coal Swamps
THE PENNSYLVANIAN Orogenic Events Hercynian Orogeny
THE PENNSYLVANIAN Orogenic Events Alleghenian Orogeny
THE PENNSYLVANIAN The Age of Coal Swamps Alleghenian Orogeny
THE PENNSYLVANIAN Orogenic Events Alleghenian Orogeny Begins formation of Pangaea Laurentia and Baltica collide to form LAURASIA Laurasia and Gondwana collide to form PANGAEA
THE PENNSYLVANIAN Orogenic Events Alleghenian Orogeny
THE PENNSYLVANIAN Orogenic Events Alleghenian Orogeny