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†Retaria – report made of unidentified related form or using admittedly obsolete nomenclature †Rhabdiferoceras †Rhynchonella – report made of unidentified related form or using admittedly obsolete nomenclature †Ribeiria †Rioceras †Romeria – type locality for genus †Romeria prima – type locality for species
This list of the Paleozoic life of Texas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Texas and are between 538.8 and 252.17 million years of age.
Seymouria, a twenty inch long transitional form documenting the origin of reptiles was preserved in the Permian sediments of Baylor County. [10] Baylor County and nearby regions also preserve Dimetrodon and Edaphosaurus. [10] During the middle Permian, Texas was hot with dry and wet seasons attested to by playa lake deposits. Fossil footprints ...
A troglobite (or, formally, troglobiont) is an animal species, or population of a species, strictly bound to underground habitats, such as caves.These are separate from species that mainly live in above-ground habitats but are also able to live underground (eutroglophiles), and species that are only cave visitors (subtroglophiles and trogloxenes). [1]
The Texas and Oklahoma red beds are sedimentary rocks, mostly consisting of sandstone and red mudstone. [8] The red color of the rocks is due to the presence of ferric oxide . [ 9 ] The rocks were deposited during the early Permian in a warm, moist climate, [ 10 ] with seasonal periods of dry conditions.
Ezell's Cave: 1971: Hays: private Houses at least 36 species of cave fauna. Enchanted Rock: 1971: Gillespie, Llano: state/Texas Department of Parks and Wildlife A classic illustration of a batholith and of the exfoliation process.
Texella reddelli, the Bee Creek cave harvestman, [3] is a rare species of troglobitic harvestman that was added to the United States endangered species list in 1988, at the same time as six other species native to the karst ecosystem in Travis County and Williamson County, Texas, USA.
The Glen Rose Formation is a shallow marine to shoreline geological formation from the lower Cretaceous period exposed over a large area from South Central to North Central Texas. The formation is most widely known for the dinosaur footprints and trackways found in the Dinosaur Valley State Park near the town of Glen Rose, Texas , southwest of ...