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Michael R. Waters from Texas A&M University along with a group of graduate and undergraduate students began excavating the Debra L. Friedkin Site in Bell County, Texas in 2006. The site is located 250 metres (820 ft) downstream along Buttermilk Creek from the Gault site ; a Paleo-Indian site excavated in 1998 and found to have deeply stratified ...
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.
This list of the prehistoric life of Texas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state 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.
This is a list of dates associated with the prehistoric peopling of the world (first known presence of Homo sapiens). The list is divided into four categories, Middle Paleolithic (before 50,000 years ago), Upper Paleolithic (50,000 to 12,500 years ago), Holocene (12,500 to 500 years ago) and Modern ( Age of Sail and modern exploration).
The prehistoric bony fish of Texas are known largely from Cretaceous rocks. Fossils include mostly teeth, vertebrae, and scales, although sometimes well preserved skeletons are found in the Austin Chalk member. [6] During the Turonian Texas was home to the fish Pachyrhizodus leptopsis. [15] Early Cretaceous heart urchins and biscuit urchins.
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.
Woodbine, Texas [Note 2] Arlington Archosaur Site [Note 3] Woodbine Formation: Cretaceous (Cenomanian) North America: US: Texas: Dinosaurs and crocodilians: Ziegler Reservoir fossil site ('Snowmastodon Site') Pleistocene (Illinoian (stage)) North America: US: Colorado: Mastodon and other ice age vertebrates Zion National Park: Navajo Sandstone ...