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  2. Red Beds of Texas and Oklahoma - Wikipedia

    en.wikipedia.org/wiki/Red_Beds_of_Texas_and_Oklahoma

    The Red Beds were first explored by American paleontologist Edward Drinker Cope starting in 1877. [2] Fossil remains of many Permian tetrapods (four-limbed vertebrates) have been found in the Red Beds, including those of Dimetrodon, Edaphosaurus, Seymouria, Platyhystrix, and Eryops. A recurring feature in many of these animals is the sail ...

  3. Arroyo Formation - Wikipedia

    en.wikipedia.org/wiki/Arroyo_Formation

    A skeleton of Dimetrodon grandis found at the Craddock bonebed on display at the National Museum of Natural History. The "classic area" of the Arroyo Formation is one of the most fossiliferous parts of the Texas Red Beds, and it is typically differentiated from surrounding formations by paleontologists on the basis of faunal differences.

  4. Geology of Texas - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Texas

    Shaded relief map of the Llano Estacado. Texas contains a wide variety of geologic settings. The state's stratigraphy has been largely influenced by marine transgressive-regressive cycles during the Phanerozoic, with a lesser but still significant contribution from late Cenozoic tectonic activity, as well as the remnants of a Paleozoic mountain range.

  5. Paleontology in Texas - Wikipedia

    en.wikipedia.org/wiki/Paleontology_in_Texas

    The shallow seas occupying this region began to retreat during the Permian. Coastal lowland environments formed in their place. However, the far western edge of Texas was still covered in sea water. A notable reef system formed there in the area now occupied by the Guadalupe Mountains. A great variety of marine invertebrates lived here. [4]

  6. Red beds - Wikipedia

    en.wikipedia.org/wiki/Red_beds

    Red beds (or redbeds) are sedimentary rocks, typically consisting of sandstone, siltstone, and shale, that are predominantly red in color due to the presence of ferric oxides. Frequently, these red-colored sedimentary strata locally contain thin beds of conglomerate , marl , limestone , or some combination of these sedimentary rocks.

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  8. Nocona Formation - Wikipedia

    en.wikipedia.org/wiki/Nocona_Formation

    The Nocona Formation is a geological formation in Texas, dating back to the Wolfcampian series (Early Permian). As part of the Texas red beds, it is one of several formations renowned for dense bonebeds of terrestrial vertebrate fossils. [1] [2] [3]

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