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Acrocanthosaurus.. Archaeologist Jack. T. Hughes has found evidence that the paleo-Indians of Texas collected fossils. [20] After the establishment of paleontology as a formal science, in 1878, professor Jacob Boll made the first scientifically documented Texan fossil finds in Archer and Wichita counties while collecting fossils on behalf of Edward Drinker Cope.
Priconodon (meaning "saw cone tooth" [1]) is an extinct genus of ankylosaurian dinosaur (perhaps nodosaurid), mainly known from its large teeth.Its remains have been found in the Aptian-Albian age Lower Cretaceous Arundel Formation of Muirkirk, Prince George's County, Maryland, USA and the Potomac Group, also located in Maryland.
Fossilized tooth of the Late Cretaceous giant sawfish Onchopristis †Onchopristis †Onchosaurus †Ophiomorpha †Ophiopsis – tentative report †Opis †Ornithomimus †Ostlingoceras; Ostrea †Otischalkia – type locality for genus †Otischalkia elderae – type locality for species †Oxyrhina †Pachycheilosuchus – type locality for ...
The year after the Hadrosaurus's fossils were first identified, 1859, state agricultural chemist Philip T. Tyson found the first documented dinosaur fossils of the Arundel Formation in an iron pit at Bladensburg, Maryland. [43] The discovery consisted of two fossil teeth. Tyson took the dinosaur teeth to a local doctor named Christopher Johnston.
A rare dinosaur bone bed containing 115-million-year-old fossils has been unearthed in Maryland, officials and experts say. During a dig at Prince George’s County’s Dinosaur Park in Laurel in ...
List of the Paleozoic life of Texas. 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 shapes of fossilized teeth from 65.9 million-year-old, squirrel-like creatures suggest that the branch of the tree of life that gave rise to us humans and other primates flowered while ...
A mastodon (mastós 'breast' + odoús 'tooth') is a member of the genus Mammut (German for 'mammoth'), which was endemic to North America and lived from the late Miocene to the early Holocene. Mastodons belong to the order Proboscidea, the same order as elephants and mammoths (which belong to the family Elephantidae).