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pterosaur
(Encyclopedia) pterosaurpterosaurtĕrˈəsôrˌ [key] [Gr., = winged lizard], extinct flying reptile (commonly called pterodactyl [Gr., = wing finger]) of the order Pterosauria, common in the late…Archaeopteryx
(Encyclopedia) ArchaeopteryxArchaeopteryxärˌkēŏpˈtərĭks [key] [Gr.,=primitive wing], a 150 million-year-old fossil animal first discovered in 1860 in the late Jurassic limestone of Solnhofen, Bavaria…Triceratops
(Encyclopedia) TriceratopsTriceratopstrīsĕrˈətŏps [key] [Gr., = three-horn face], genus of ornithischian quadruped dinosaurs of the late Cretaceous period. Because of some variations in sample…Dinosaur Guide: News, fossils, trivia, classification
All about the amazing creatures who once ruled the planet Dinosaur News Fossil finds from the miniature to the monstrous T. rex Fossils Fetch Bargain Price Just how much does a T.…American Museum of Natural History
(Encyclopedia) American Museum of Natural History, incorporated in New York City in 1869 to promote the study of natural science and related subjects. Buildings on its present site facing Central…Ankylosaurus
(Encyclopedia) AnkylosaurusAnkylosaurusănˌkələsôrˈəs [key], [Gr.,=crooked lizard], genus of heavily armored, herbivorous quadripedal dinosaurs, the best known of which is the species A. magniventris…Recent Discoveries: Did Cosmic Dust Doom the Dinosaurs?
A controversial study by researchers at the University of Florida and Carnegie Institution theorizes that space dust in Earth's atmosphere and changes in the planet's orbit may have…Bahariya
(Encyclopedia) Bahariya or BahariaBahariabäˌhärēˈə [key], oasis (1996 est. pop. 25,000), in the Libyan Desert, central Egypt, c.200 mi (322 km) south-southwest of Alexandria. Connected by numerous…Green River
(Encyclopedia) Green River. 1 River, 370 mi (595 km) long, rising in central Ky. and flowing generally NW, through Mammoth Cave National Park, to the Ohio River near Evansville, Ind. Locks and dams…Andrews, Roy Chapman
(Encyclopedia) Andrews, Roy Chapman, 1884–1960, American naturalist and explorer, b. Beloit, Wis., B.A. Beloit College, 1906, M.A. Columbia Univ., 1913. Associated with the American Museum of Natural…