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Stegosaurus (/ ˌ s t ɛ ɡ ə ˈ s ɔːr ə s /; lit. ' roof-lizard ') is a genus of herbivorous, four-legged, armored dinosaur from the Late Jurassic, characterized by the distinctive kite-shaped upright plates along their backs and spikes on their tails.
The Eisenhower dollar is a one-dollar coin issued by the United States Mint from 1971 to 1978; it was the first coin of that denomination issued by the Mint since the Peace dollar series ended in 1935. The coin depicts President Dwight D. Eisenhower on the obverse, and a stylized image honoring the 1969 Apollo 11 Moon mission on the reverse.
Chicxulub crater. Chicxulub crater (Mexico) Free-air gravity anomaly over the Chicxulub structure (coastline and state boundaries shown as black lines) The Chicxulub crater ( IPA: [t͡ʃikʃuˈluɓ] ⓘ cheek-shoo-LOOB) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore, but the crater is named after ...
The same coinage act also set the value of an eagle at 10 dollars, and the dollar at 1 ⁄ 10 eagle. It called for silver coins in denominations of 1, 1 ⁄ 2, 1 ⁄ 4, 1 ⁄ 10, and 1 ⁄ 20 dollar, as well as gold coins in denominations of 1, 1 ⁄ 2 and 1 ⁄ 4 eagle. The value of gold or silver contained in the dollar was then converted ...
The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. [1] Birds are categorized as a biological class, Aves. For more than a century, the small theropod dinosaur Archaeopteryx lithographica from the Late Jurassic period was considered to have been the earliest bird ...
A study aiming to quantify the habitat of latest Cretaceous North American dinosaurs, based on data from fossil occurrences and climatic and environmental modelling, and evaluating its implications for inferring whether dinosaur diversity was in decline prior to the Cretaceous–Paleogene extinction event, was published by Chiarenza et al ...
History of study Officers at Fort Wallace, Kansas, in 1867.Theophilus H. Turner, who the same year discovered Elasmosaurus in the area, is second from left.. In early 1867, the American army surgeon Theophilus H. Turner and the army scout William Comstock explored the rocks around Fort Wallace, Kansas, where they were stationed during the construction of the Union Pacific Railroad.
L'Oreal Paris Collagen Daily Face Moisturizer. $9 $11 Save $2. A collagen-boosting moisturizer beloved by shoppers of all ages and an absolute AOL-reader favorite. If this is your moisturizer of ...