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Nigersaurus (/ niːˈʒɛərsɔːrəs, ˈnaɪdʒərsɔːrəs /) is a genus of rebbachisaurid sauropod dinosaur that lived during the middle Cretaceous period, about 115 to 105 million years ago. It was discovered in the Elrhaz Formation in an area called Gadoufaoua, in Niger. Fossils of this dinosaur were first described in 1976, but it was ...
Eosyodon hudsoni. Olson, 1962. Dimetrodon (/ daɪˈmiːtrəˌdɒn / ⓘ [1] or / daɪˈmɛtrəˌdɒn /; [2] lit. 'two measures of teeth') is an extinct genus of non- mammalian synapsid belonging to the family Sphenacodontidae that lived during the Cisuralian age of the Early Permian period, around 295–272 million years ago. [3][4][5] With ...
Compsognathus (/ kɒmpˈsɒɡnəθəs /; [1] Greek kompsos /κομψός; "elegant", "refined" or "dainty", and gnathos /γνάθος; "jaw") [2] is a genus of small, bipedal, carnivorous theropod dinosaur. Members of its single species Compsognathus longipes could grow to around the size of a chicken. They lived about 150 million years ago ...
Dinosaur tooth. Dinosaur teeth have been studied since 1822 when Mary Ann Mantell (1795-1869) and her husband Dr Gideon Algernon Mantell (1790-1852) discovered an Iguanodon tooth in Sussex in England. Unlike mammal teeth, individual dinosaur teeth are generally not considered by paleontologists to be diagnostic to the genus or species level for ...
Gillette, 1991. Diplodocus (/ dɪˈplɒdəkəs /, [3][4] / daɪˈplɒdəkəs /, [4] or / ˌdɪploʊˈdoʊkəs / [3]) is an extinct genus of diplodocid sauropod dinosaurs known from the Late Jurassic of North America. The first fossils of Diplodocus were discovered in 1877 by S. W. Williston.
Matthew & Brown, 1923. Albertosaurus libratus. (Lambe, 1914) Gorgosaurus (/ ˌɡɔːrɡəˈsɔːrəs / GOR-gə-SOR-əs; lit. 'dreadful lizard') is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period (Campanian), between about 76.5 and 75 million years ago. [1]
In life, the dinosaur may have weighed two times as much. Later this fall, the multimillion dollar reconstruction will be the star attraction of a new wing of the Natural History Museum of Los ...
Deinonychosauria is a clade of paravian dinosaurs which lived from the Late Jurassic to the Late Cretaceous periods. Fossils have been found across the globe in North America, Europe, Africa, Asia, South America, and Antarctica, [2] with fossilized teeth giving credence to the possibility that they inhabited Australia as well. [3]