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The terrestrial flora of Late Cretaceous Texas left behind plant fossils in northern Texas. [6] During the early Cenozoic, Texas was the site of significant volcanic eruptions. [4] Ostracods remained common in the Tertiary seas of Texas. Segments left by ophiuroids are also common in rocks deposited in these marine environments.
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.
The oldest fossils in the DFW metroplex can be collected at Mineral Wells Fossil Park NW of Fort Worth. These fossils include well preserved Pennsylvanian marine fossils such as crinoids and brachiopods, which have been dated to 300 million years old. [4] [5] Remnants of dinosaurs and Late Cretaceous marine reptiles such as Mosasaur are found.
This article contains a list of fossil-bearing stratigraphic units in the state of Texas, U.S. Sites. Group or Formation Period ... Early Permian: Neylandville Marl:
†Aulopora – report made of unidentified related form or using admittedly obsolete nomenclature; Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten †Aviculopecten †Aviculopecten ballingerana †Aviculopecten girtyi – type locality for species †Aviculopecten gryphus – type locality for species
The Archer City Formation is a geological formation in north-central Texas, preserving fossils from the Asselian and early Sakmarian stages of the Permian period.It is the earliest component of the Texas red beds, introducing a tropical ecosystem which will persist in the area through the rest of the Early Permian.
In the Permian geologic period, North-Central Texas was a part of the western coastal zone of equatorial Pangea, a super-continental land mass. [1] Nearby uplifts and mountainous regions, such as the Muenster Arch and Red River Uplift, the Wichita, Arbuckle, and Ouachita mountains developed by the end of the Pennsylvanian, [2] providing elevated topography to the north and east during the Permian.
The Woodbine Group is a geological formation in east Texas whose strata date back to the Early to Middle Cenomanian age of the Late Cretaceous. [1] It is the producing formation of the giant East Texas Oil Field (also known as the "Black Giant") from which over 5.42 billion barrels of oil have been produced. [ 3 ]