carboniferous period

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Carboniferous Period
... Carboniferous Period CARBONIFEROUS PERIOD The Carboniferous Period spans the period from 360 million years ago to 286 million years ago. The bottom half of this period is known in the U.S. as the Mississippian Period ... Formations, but mostly from the Kanawha Formation. For more information about the Carboniferous Period, select: The Museum of Paleontology: Univ. of California at Berkley United ...
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Climate during the Carboniferous Period
... conditions existed during the Carboniferous Period, as they do today in our present Quaternary Period. Climate change during the Carboniferous Period was dominated by the great Carboniferous Ice Age. As ... the Late Carboniferous. Coal Beds of the Carboniferous Period: How the World Looked when they were Deposited COAL During the Upper Carboniferous Period (a.k.a. Pennsylvanian Period: 286 - 320 ...
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Division Lycophyta
... sporangia which contain the spores are associated with fertile leaves known as sporophylls. During the Carboniferous Period of geological time this group was represented by some of the largest and most numerous ...
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Division Pteridospermophyta
Division Pteridospermophyta Division PteridospermophytaThe seed ferns were not really ferns at all, but primitive gymnosperms. Their fossilized remains are found frequently in sediments from the Carboniferous period. Their bizarre appearance resembles that of ferns. They were the size of shrubs and small trees. Return to Main Menu Fossil Plants
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Geological Time Map
Geological Time Map Paleozoic Era Carboniferous Period 350 million years agoThe great coal age:giant horsetails(Calamites), relatives of the club mosses (Lepidodendron), and the seed ferns (Cycadofilicales). Continue geological time map
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Fern Allies
... . It towered to 45 m in height and flourished in the swamp forests of the Carboniferous. Another striking example of a tree-like, extinct lycopos is Sigillaria Click here to learn ... plants were well represented in the swamp forests of the Carboniferous. Living Equisetum arvense, a herb Calamites, an extinct tree of the Carboniferous period both of these beautiful drawings are by Françoise Gantet ...
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Azolla and Anaebaena Symbiosis
... crevices. Fossil evidence indicates that many additional species of ferns flourished on earth during the Carboniferous period, some 300 million years ago. But of all the great diversity of ferns, relatively few ...
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LIVING FOSSILS AT PALOMAR COLLEGE
... the forest understory. Some of these ancient plant groups were even more abundant in the Carboniferous Period (300 million years ago), long before the time of dinosaurs. The majority of recognizable plant ... , one hypothesis to explain the demise of dinosaur populations by the end of the Cretaceous Period (65 million years ago) is that slow-growing primitive seed plants could not keep up ...
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Learning Resources
... . Clendening, Hermann W. Pfefferkorn The definitive source for identifying and describing plant fossils of the Carboniferous Period. (No official affiliation, but we highly recommend the book!) Published by the West Virginia Geologic ...
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The Carboniferous
... Carboniferous. Subdivisions of the Carboniferous: The chart at left shows the major subdivisions of the Carboniferous Period.The Lower Carboniferous of Europe corresponds roughly to the Mississippian of North America, and the Middle and Upper Carboniferous ...
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