User:Abyssal/Portal:Permian
The Permian Portal
IntroductionSelected article on the Permian world and its legaciesSince annelids are soft-bodied, their fossils are rare – mostly jaws and the mineralized tubes that some of the species secreted. Although some late Ediacaran fossils may represent annelids, the oldest known fossil that is identified with confidence comes from about 518 million years ago in the early Cambrian period. Fossils of most modern mobile polychaete groups appeared by the end of the Carboniferous, about 299 million years ago. Scientists disagree about whether some body fossils from the mid Ordovician, about 472 to 461 million years ago, are the remains of oligochaetes, and the earliest certain fossils of the group appear in the Tertiary period, which began 65 million years ago. (see more...) Did you know?
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Selected article on the Permian in human science, culture and economicsBone Sharps follows the two scientists Edward Drinker Cope and Othniel Marsh as they engage in an intense rivalry for prestige. Ottaviani has Cope and Marsh interact and meet many important figures of the Gilded Age, from P. T. Barnum to U.S. Grant, as the two scientists pursue their hotheaded and sometimes illegal acquisitions of fossils. Unlike in his previous books, "the scientists are the bad guys this time". Upon release, the novel received praise from critics for its exceptional historical content, although some reviewers wished more fiction had been woven into the story. (see more...) GeochronologyEpochs - Cisuralian - Guadalupian - Lopingian Geography - Pangaea - Panthalassa Stratigraphic units - Red Beds of Texas and Oklahoma Researchers - Edward Drinker Cope SubcategoriesQuality ContentFeatured Permian articles - Amphibian Things you can doRelated contentAssociated WikimediaThe following Wikimedia Foundation sister projects provide more on this subject:
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