Trilobita sandbox

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==Fossil Record==
==Fossil Record==
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An extensive fossil record of Class Trilobita spans the Paleozoic Era from the Lower Cambrian and to the Upper Permian. As the earth changed and cycled, continents broke apart and drifted, and sea levels rose and fell, the trilobites underwent repeated declines and radiations, all the while a detailed record in their exquisitely preserved mineralized dorsal exoskeleton. The record has been important in geology and paleontology to infer both arthropod evolution and plate tectonics. The huge and diverse fossil record has allowed the trilobites to become an exemplar for modern cladistic analysis..
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An extensive fossil record of Class Trilobita spans the Paleozoic Era from the Lower Cambrian and to the Upper Permian. As the earth changed and cycled, continents broke apart and drifted, and sea levels rose and fell, the trilobites underwent repeated declines and radiations, all the while leaving a detailed record in the form of exquisitely-preserved, mineralized dorsal exoskeletons. The record provides important data in geology and paleontology for the study of arthropod evolution, paleoenvironments, and plate tectonics. The huge and diverse fossil record has allowed the trilobites to become an exemplar for modern cladistic analysis.
==Taxonomy and Phylogeny==
==Taxonomy and Phylogeny==

Revision as of 13:16, 21 April 2007

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