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The Rhynie Chert in Scotland is a Devonian age deposit containing fossils of both Zosterophyllophytes and Trimerophytes, the two major lines of vascular plants. This indicates that prior to the start of the Devonian, the first major radiations of the plants had already happened.
www.ucmp.berkeley.edu/devonian/devonian.html www.ucmp.berkeley.edu/devonian/devonian.html · Cached
Change in the Devonian Seas ... The Devonian seas were dominated by brachiopods, such as the spiriferids, and by tabulate and rugose corals, which built large bioherms, or reefs, in shallow waters. Encrusting red algae also contributed to reef building.
www.ucmp.berkeley.edu/devonian/devlife.html www.ucmp.berkeley.edu/devonian/devlife.html · Cached
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 ... Devonian maps...
www.palaeos.com/Paleozoic/Devonian/Devonian.htm www.palaeos.com/Paleozoic/Devonian/Devonian.htm · Cached
Devonian - Wikipedia, the free encyclopedia
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The Devonian is a geologic period and system of the Paleozoic era spanning from 359.2 (ICS, 2004). It is named after Devon, England, where rocks from this period were first studied. During the Dev...
en.wikipedia.org/wiki/Devonian
The Devonian Was the Age of Fish! ... By the Devonian the early Paleozoic oceans were closing, forming a "pre-Pangea". Freshwater fish were able to migrate from the southern hemisphere continents to North America and Europe. Forests grew for the first time in the equatorial regions of Artic Canada.
www.scotese.com/newpage3.htm · Cached
Late Devonian extinction - Wikipedia, the free encyclopedia
The Late Devonian extinction was one of five major extinction events in the history of the Earth's biota. A major extinction occurred at the boundary that marks the beginning of the last phase of th...
en.wikipedia.org/wiki/Late_Devonian_extinction
; - Devonian period ranged from 408-360 million years ago; - A major intra-Devonian extinction occurred at the Frasnian-Famennian boundary ; ... In addition, the Devonian saw the first appearance of sharks, bony fish, and ammonoids. During the Devonian the world's oceans were dominated by reef-builders such as...
hannover.park.org/Canada/Museum/extinction/devmass.html · Cached
The Devonian period lasted from 410 million years ago (mya) to 360 mya and is divided into the smaller time epochs listed below. The beginning of the Devonian is defined by the wide spread appearence of vascular plants that developed at the end of the Silurian period (440 mya to 410 mya).
www.ddg.com/Lauren/geologicages/devonian.html www.ddg.com/Lauren/geologicages/devonian.html · Cached
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 Laurasia by the Pennsylvanian.
jan.ucc.nau.edu/~rcb7/Devonian.html jan.ucc.nau.edu/~rcb7/Devonian.html · Cached
Devonian is a time interval from 416 to 359 Ma in the Palaeozoic era. Is was named after the type area of Devon (SW England). Most of its stratigraphy (stages of the Devonian) were however established in the fossiliferous marine deposits of teh Ardennes (Belgium).
www.geosci.usyd.edu.au/users/prey/FieldTrips/Yass04/Dev... www.geosci.usyd.edu.au/users/prey/FieldTrips/Yass04/Devonian.html · Cached