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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 ...
The Arroyo Formation, sometimes termed the Lower Clear Fork Formation, is a geologic formation in Texas. [1] It preserves fossils dating back to the Kungurian stage of the Permian period. [2] It is the lower-most portion of the Clear Fork Group, part of a series of fossiliferous Permian strata in the south-central United States known as the red ...
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.
Permian rocks are the best-known of the Texas Paleozoic. They are widespread in north Texas, where their characteristic red beds are spectacularly exposed in Palo Duro Canyon. The strata are also oil-rich where buried in west Texas, such as in the Midland and Odessa region. This crude oil-rich area is known as the Permian Basin.
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]
The fossil was first uncovered in 1984 by the late Nicholas Hotton III, a museum paleontologist who had excavated fossils from the Red Beds in Texas, an area known to be rich in Permian-age remains.
Cast of the skull. Eryops is currently thought to contain only one species, E. megacephalus, which means "large-headed Eryops".E. megacephalus fossils have been found only in rocks dated to the early Permian period (Sakmarian age, about 295 million years ago) in the southwestern United States, primarily in the Admiral Formation of the Texas Red Beds. [7]
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