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The Devonian is a geologic period and system of the Paleozoic era spanning from 416 to 359.2 million years ago (ICS, 2004). It is named after Devon, ...
en.wikipedia.org/wiki/Devonian - Similar
An overview of the period from the UC Berkeley Museum of Paleontology.
www.ucmp.berkeley.edu/devonian/devonian.html - Similar
The Devonian seas were dominated by brachiopods, such as the spiriferids, and by tabulate and rugose corals, which built large bioherms, or reefs, ...
www.ucmp.berkeley.edu/devonian/devlife.html - Similar
An intro to the Devonian Period, includes a review of each of the geological sub -divisions and the various forms of life that lived during this time.
www.palaeos.com/Paleozoic/Devonian/Devonian.htm - Similar
By the Devonian the early Paleozoic oceans were closing, forming a "pre-Pangea". Freshwater fish were able to migrate from the southern hemisphere ...
www.scotese.com/newpage3.htm - Similar
Following the Ordovician mass extinction rediversification of surviving groups occurred throughout the Silurian and Devonian. In addition, the Devonian saw ...
hoopermuseum.earthsci.carleton.ca/extinction/devmass.html - Similar
Note protrusions of jaw that functioned as teeth, and note the eye sockets protected by a bony ring. Top predator. Extinct at the end of the Devonian ...
facstaff.gpc.edu/~pgore/geology/geo102/devonian.htm - Similar
Devonian Fossil Gorge is the result of the prolonged overflow of the Coralville Reservoir Spillway between July 5 and August 2, 1993.
www.cs.uiowa.edu/~jones/natural/devonian.html - Similar
Learn about Earth's Devonian Period and get information, facts, and more about prehistoric life and the Age of Fishes from National Geographic.
science.nationalgeographic.com/science/prehistoric-wo... - Similar
Most of these blocks were assembled by a series of plate collisions into the super continents of Laurussia [the Old Red continent] by the Devonian and ...
jan.ucc.nau.edu/~rcb7/Devonian.html - Similar
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