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Mississippian Epoch

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by

Hayley Weatherstone

on 21 March 2013

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Transcript of Mississippian Epoch

The Mississippian Epoch The Mississippian Earth's Appearance In The water Characteristics On the Land Significance Works Cited 359.2-299 million years ago
Lasted 35 million years
Part of the Carboniferous period
First half known as the Mississippian Epoch Mostly marine
Two super continents
Laurasia
Gondwana
Eventually started to form Pangaea Not hugely diverse plant life
Archaeopteris, major tree of the Devonian period, disappeared
Replaced by weedy short plants at the start of the Mississippian
Later giant horsetails, seed plants, and tree ferns sprouted up
Swamp forests Swamps created large limestone and coal deposits
Deposits found in Mississippi gave this epoch its name
The carboniferous is divided into two epochs only in America
Mississippian
Pennsylvanian
Most of continental U.S. was submerged, except for parts of the Midwest and parts of the south Amniotic egg
Pangaea begins formation
First reptiles, cockroaches, winged insects
Swamps led to coal and limestone deposits
Sharks became the major predators of the sea
Trilobites began to disappear Warm shallow seas
Covered most of the earth
Coral, Mollusks, arthropods, brachiopods, bryozoans, and echinoderms
Semi-aquatic tetrapods
Predators such as early sharks, bony fishes, lungfishes, palaeoniscoids, and coelacanths On the Land Development of amniotic egg- allowed descendents of mammals, reptiles, and birds to lay eggs on land
First winged insects, cockroaches, and reptiles
Tetrapods became prominent Works Cited
Bryant Watershed Education Program. "The Mississippian." Earth. Watersheds.org,
2009. Web. 20 Mar. 2013.
Col, Jeananda. "Geologic Time Scale." Enchanted Learning.org. Ed. Jeananda Col.
Enchanted Learning, 2012. Web. 20 Mar. 2013.
Department of Paleobiology. "The Mississippian." Geologic Time. Ed. Department
of Mineral Sciences et al. Smithsonian National Museum of Natural History,
19 Mar. 2012. Web. 20 Mar. 2013.
Hoe, Angela, et al. "The Carboniferous Period." University of California Museum
of Paleantology. Ed. Dave Smith and Sarah Rieboldt. UMPC, 30 June 2011.
Web. 20 Mar. 2013.
Opposing Issues in Context. "The Carboniferous." The Mississippian (2012): 1.
Print.

By Hayley Weatherstone
Full transcript