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During the Early Cretaceous Texas was home to the pliosaurid Brachauchenius. Western Interior Seaway researcher Michael J. Everhart has called it a "true 'sea monster'" of its time. [13] Sharks left behind their teeth to fossilize during the Early Cretaceous. [6] The Cretaceous sharks of Texas were similar to those of Kansas. [14]
Life restoration of the Late Cretaceous pterosaur Cimoliopterus (left) stealing fish from another pterosaur †Cimoliopterus †Cimoliopterus dunni – type locality for species †Cimolodon †Cimolodon electus – or unidentified comparable form †Cimolomys †Cimolomys clarki †Clevosaurus – or unidentified comparable form †Clidastes
Paleogene. Canyon Group / Caddo Creek Formation. Carboniferous. Canyon Group / Graford Formation. Carboniferous. Canyon Group / Palo Pinto Formation. Carboniferous. Canyon Group / Winchell Formation. Carboniferous.
The Cretaceous (IPA: / krɪˈteɪʃəs / krih-TAY-shəss) [2] is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of the entire Phanerozoic. The name is derived from the Latin ...
The Javelina Formation is a geological formation in Texas. Dating has shown that the strata date to the Maastrichtian stage of the Late Cretaceous, approximately 70 to 66.5 million years old. [1] The middle part of the formation has been dated to about 69 million years ago plus or minus 1 million years and the top situated near the Cretaceous ...
Paleogeography of the Campanian. The Aguja Formation is a geological formation in North America, exposed in Texas, United States and Chihuahua and Coahuila in Mexico, whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation. [ 1 ] Fossil palms have also been unearthed here.
Geologic map of Dallas, with Woodbine at left. Woodbine Formation stratigraphic column in Texas. 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 ...
Edwards Group. The Edwards Group is a geologic group in Texas. It preserves fossils dating back to the Cretaceous period. A stratigraphic column at the Mount Bonnell Fault location starts with the Lower Cretaceous Trinity Group overlain by the Edwards Group. Upper Cretaceous formations follow, starting with the Del Rio Clay, Buda Limestone, and ...