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Brontosaurus dragon city wiki8/28/2023 ![]() ![]() ![]() ![]() The large neck was filled with an extensive system of weight-saving air sacs. Ten dorsal ribs are on either side of the body. The dorsal ribs are not fused or tightly attached to their vertebrae, instead being loosely articulated. The cervical vertebrae were stouter than other diplodocids, though not as stout as in mature specimens of Apatosaurus. The caudal vertebra number was noted to vary, even within a species. The vertebral formula was: 15 cervicals, 10 dorsals, five sacrals, and 82 caudals. ![]() Like those of other sauropods, the vertebrae of the neck were deeply bifurcated that is, they carried paired spines, resulting in a wide and deep neck. The skull of Brontosaurus has not been found, but was probably similar to the skull of the closely related Apatosaurus. excelsus, weighed up to 15 tonnes (15 long tons 17 short tons) and measured up to 22 m (72 ft) long from head to tail. Species of Brontosaurus range in age from 155 to 152 million years ago, during the Kimmeridgian age of the lower to middle Morrison Formation in Wyoming and Utah, USA.Īs the archetypal sauropod, Brontosaurus is one of the best-known dinosaurs, and has been featured in film, advertising, and postal stamps, as well as many other types of media.īrontosaurus was a large, long-necked quadrupedal animal with a long, whip-like tail, and forelimbs that were slightly shorter than their hindlimbs. The same study classified two additional species that had once been considered Apatosaurus as Brontosaurus Parvus and Brontosaurus Yahnahpin. Nevertheless, not all paleontologists agree with this division. However, an extensive study published in 2015 by a joint research team of England and Portugal concluded that Brontosaurus was a valid genus of sauropod distinct from Apatosaurus. Originally named by its discoverer Othniel Charles Marsh in 1879, Brontosaurus had long been considered a junior synonym of Apatosaurus its original species Brontosaurus Excelsus having been reclassified as A. Brontosaurus (/ˌbrɒntɵˈsɔrəs/ bron-tə-SAWR-əs), meaning "thunder lizard" (from Greek βροντή, brontē = thunder + σαυρος, sauros = lizard), is a genus of sauropod dinosaur. ![]()
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