Camarasaurus
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Camarasaurus
''Camarasaurus'' ( ) was a genus of quadrupedal, herbivorous dinosaurs and is the most common North American sauropod fossil. Its fossil remains have been found in the Morrison Formation, dating to the Late Jurassic epoch (Kimmeridgian to Tithonian stages), between 155 and 145 million years ago. ''Camarasaurus'' presented a distinctive cranial profile of a blunt snout and an arched skull that was remarkably square, typical of basal Macronarians. The name means "chambered lizard", referring to the hollow chambers, known as pleurocoels, in its cervical vertebrae (Greek (') meaning "vaulted chamber", or anything with an arched cover, and (') meaning "lizard". ''Camarasaurus'' contains four species that are commonly recognized as valid: ''Camarasaurus grandis'', '' Camarasaurus lentus'', '' Camarasaurus lewisi'', and ''Camarasaurus supremus''. ''C. supremus'', the type species, is the largest and geologically youngest of the four. ''Camarasaurus'' is the type genus of Camarasau ...
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Camarasaurus Supremus
''Camarasaurus supremus'' is a species of sauropod dinosaur that lived during the Jurassic period in what is now the western United States. It is the type species of ''Camarasaurus'', which also includes the species ''Camarasaurus grandis'', ''Camarasaurus lentus'', and ''Camarasaurus lewisi''. ''C. supremus'' was discovered by the paleontologist Edward Drinker Cope in 1877, at the outset of the Bone Wars, a period of scientific competition between Cope and his rival Othniel Marsh. ''C. supremus'' is the largest and geologically youngest species in its genus, and was contemporary with several other exceptionally large dinosaurs, such as ''Saurophaganax'' and ''Maraapunisaurus''. Despite being the first discovered species of ''Camarasaurus'', ''C. supremus'' is relatively rare and poorly known. Taxonomy ''Camarasaurus supremus'' was named by Edward Drinker Cope in 1877. It is the type species of ''Camarasaurus'', and is one of four valid species of the genus, alongside ''Camarasaur ...
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Camarasaurus Lentus
''Camarasaurus lentus'' is an extinct species of sauropod dinosaur that lived during the Jurassic period in what is now the western United States. It is one of the four valid species of the well-known genus ''Camarasaurus''. ''C. lentus'' fossils have been found in Wyoming, Colorado, and Utah. It is the species of ''Camarasaurus'' found in Dinosaur National Monument and the middle layers of the Morrison Formation. ''Camarasaurus lentus'' is among the best-known sauropod species, with many specimens known. A juvenile specimen of ''C. lentus'', CM 11338, is the most complete sauropod fossil ever discovered. Description Like other sauropods, ''Camarasaurus lentus'' was a large, long-necked quadruped. It closely resembled other species of ''Camarasaurus'' in its anatomy, and in particular was very similar to ''C. supremus''. It was of moderate size for the genus, being similar in size to ''C. grandis'', 20% smaller than ''C. supremus'', and slightly larger than ''C. lewisi''. Gregory ...
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Camarasaurus Grandis
''Camarasaurus grandis'' is an extinct species of sauropod dinosaur in the genus that lived during the Jurassic in what is now the western United States. It is the geologically oldest of the four species of the genus ''Camarasaurus''. Taxonomy ''Camarasaurus grandis'' was named by Othniel Charles Marsh in 1877. It is one of four valid species of ''Camarasaurus'', alongside ''Camarasaurus lentus'', '' Camarasaurus lewisi'', and ''Camarasaurus supremus''. The type specimen of ''Camarasaurus grandis'' is the holotype YPM 1901, a partial skeleton of an immature individual from Como Bluff, Wyoming. ''Camarasaurus grandis'' is regarded as having three junior synonyms: ''Morosaurus impar'', ''Morosaurus robustus'', and ''Pleurocoelus montanus''. One of these junior synonyms, ''M. impar'', is the type species of ''Morosaurus'', the genus to which ''C. grandis'' and ''C. lentus'' were assigned until it was synonymized with ''Camarasaurus''. ''Amphicoelias latus'', which is conventionall ...
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Camarasaurus Lewisi
''Camarasaurus lewisi'' is a species of sauropod dinosaur from the Upper Jurassic of the United States. It was named by James A. Jensen in 1988. ''C. lewisi'' was originally placed in its own genus, ''Cathetosaurus'', but in 1996 it was reclassified as a species of ''Camarasaurus''; most researchers since have considered it to be one of the four valid species of ''Camarasaurus''. Two unpublished studies have since argued that the genus ''Cathetosaurus'' should be reinstated, whereas two other studies have argued that ''C. lewisi'' may be a junior synonym of another species of ''Camarasaurus''. Description ''C. lewisi'' is the smallest species assigned to ''Camarasaurus''; despite representing a very old individual, the holotype specimen is roughly 26% smaller than ''C. supremus'', with a humerus long. The possible ''C. lewisi'' specimen SMA 0002 also represents a fully mature individual, but is exceptionally small, with a humerus only long. It is possible that the size differen ...
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Cathetosaurus
''Camarasaurus lewisi'' is a species of sauropod dinosaur from the Upper Jurassic of the United States. It was named by James A. Jensen in 1988. ''C. lewisi'' was originally placed in its own genus, ''Cathetosaurus'', but in 1996 it was reclassified as a species of ''Camarasaurus''; most researchers since have considered it to be one of the four valid species of ''Camarasaurus''. Two unpublished studies have since argued that the genus ''Cathetosaurus'' should be reinstated, whereas two other studies have argued that ''C. lewisi'' may be a junior synonym of another species of ''Camarasaurus''. Description ''C. lewisi'' is the smallest species assigned to ''Camarasaurus''; despite representing a very old individual, the holotype specimen is roughly 26% smaller than ''C. supremus'', with a humerus long. The possible ''C. lewisi'' specimen SMA 0002 also represents a fully mature individual, but is exceptionally small, with a humerus only long. It is possible that the size differen ...
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Sauropoda
Sauropoda (), whose members are known as sauropods (; from '' sauro-'' + '' -pod'', 'lizard-footed'), is a clade of saurischian ('lizard-hipped') dinosaurs. Sauropods had very long necks, long tails, small heads (relative to the rest of their body), and four thick, pillar-like legs. They are notable for the enormous sizes attained by some species, and the group includes the largest animals to have ever lived on land. Well-known genera include ''Brachiosaurus'', ''Diplodocus'', ''Apatosaurus'' and ''Brontosaurus''. The oldest known unequivocal sauropod dinosaurs are known from the Early Jurassic. ''Isanosaurus'' and ''Antetonitrus'' were originally described as Triassic sauropods, but their age, and in the case of ''Antetonitrus'' also its sauropod status, were subsequently questioned. Sauropod-like sauropodomorph tracks from the Fleming Fjord Formation (Greenland) might, however, indicate the occurrence of the group in the Late Triassic. By the Late Jurassic (150 million yea ...
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Camarasauridae
Camarasauridae is a family of sauropod dinosaurs. Among sauropods, camarasaurids are small to medium-sized, with relatively short necks. They are visually identifiable by a short skull with large nares, and broad, spatulate teeth filling a thick jaw.1. Weishampel, D. B., Dodson, P., & Osmólska, H. (Eds.). (1990). ''The dinosauria''. Univ of California Press. Based on cervical vertebrae and cervical rib biomechanics, camarasaurids most likely moved their necks in a vertical, rather than horizontal, sweeping motion, in contrast to most diplodocids. Taxonomy Camarasauridae was named by Edward Drinker Cope in 1877. Its type genus is '' Camarasaurus'', and it is defined as the clade containing all species more closely related to ''Camarasaurus supremus'' than ''Saltasaurus loricatus''. Phylogenetic relationships Camarasauridae is typically regarded as belonging to Macronaria, one of the two major branches of Neosauropoda. Within Macronaria, it occupies a basal position, outsi ...
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Garden Park, Colorado
Garden Park is a paleontological site in Fremont County, Colorado, known for its Jurassic dinosaurs and the role the specimens played in the infamous Bone Wars of the late 19th century. Located north of Cañon City, the name originates from the area providing vegetables to the miners at nearby Cripple Creek in the 19th century. Garden Park proper is a triangular valley surrounded by cliffs on the southeast and southwest and by mountains to the north; however, the name is also refers to the dinosaur sites on top and along the cliffs. The dinosaur sites now form thGarden Park Paleontological Resource Area which is overseen by the Bureau of Land Management. Geology Garden Park was formed by erosion of sedimentary rocks that have been distorted by uplift of the Rocky Mountains. The region is bisected by Four Mile Creek (also called Oil Creek), which has carved a canyon through the Mesozoic and Paleozoic sedimentary rocks. One of these Mesozoic strata is the Morrison Formation, ...
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Lourinhasaurus
''Lourinhasaurus'' (meaning "Lourinhã lizard") was an herbivorous sauropod dinosaur genus dating from Late Jurassic strata of Estremadura Province (historical), Estremadura, Portugal. Discovery The first find in 1949 by Harold Weston Robbins, a partial fossil skeleton found near Alenquer, Portugal, Alenquer, was in 1957 named ''Apatosaurus alenquerensis'' by Albert-Félix de Lapparent and Georges Zbyszewski. The specific name (zoology), specific name ''alenquerensis'' refers to the locality of Alenquer Municipality, Portugal, Alenquer. The species has subsequently been referred to other genera. In 1970 Rodney Steel renamed it ''Atlantosaurus alenquerensis'', in 1978 George Olshevsky coined a ''Brontosaurus alenquerensis''. John S. McIntosh, John Stanton McIntosh in 1990 proposed that it was a species of ''Camarasaurus'': ''Camarasaurus alenquerensis''. However, the find of another partial skeleton, ML 414, including a tooth and a hundred gastroliths, in co-eval strata near the ...
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Macronaria
Macronaria is a clade of sauropod dinosaurs. Macronarians are named after the large diameter of the nasal opening of their skull, known as the external naris, which exceeded the size of the orbit, the skull opening where the eye is located (hence ''macro''- meaning large, and –''naria'' meaning nose). Fossil evidence suggests that macronarian dinosaurs lived from the Middle Jurassic (Bathonian) through the Late Cretaceous (Maastrichtian). Macronarians have been found globally, including discoveries in Argentina, the United States, Portugal, China, and Tanzania. Like other sauropods, they are known to have inhabited primarily terrestrial areas, and little evidence exists to suggest that they spent much time in coastal environments. Macronarians are diagnosed through their distinct characters on their skulls, as well as appendicular and vertebral characters. Macronaria is composed of several subclades and families notably including Camarasauridae and Titanosauriformes, among severa ...
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Jurassic Museum Of Asturias
The Jurassic Museum of Asturias (Spanish: ''Museo del Jurásico de Asturias''; ''MUJA'') is located in the area of Rasa de San Telmo near the parish (administrative division) of Llastres in the municipality of Colunga, Asturias, Spain. Though the municipality of Ribadesella was initially proposed, Colunga was chosen for the building site in the late 1990s. Several landmarks are visible from the museum including the Bay of Biscay, the Sierra del Sueve, and the Picos de Europa. Strategically located over a mount on the Rasa de San Temo, the museum is in the midst the Jurassic Asturias. The museum displays and collections cover 3,500 million years, and although they emphasize the three stages of the Mesozoic (Triassic, Jurassic and Cretaceous), information is also presented on the preceding and subsequent periods. Different stages of the Jurassic geologic period and system are on display. Corridors contain over 20 dinosaur replicas; measuring over in height, their weight woul ...
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American Museum Of Natural History
The American Museum of Natural History (abbreviated as AMNH) is a natural history museum on the Upper West Side of Manhattan in New York City. In Theodore Roosevelt Park, across the street from Central Park, the museum complex comprises 26 interconnected buildings housing 45 permanent exhibition halls, in addition to a planetarium and a library. The museum collections contain over 34 million specimens of plants, animals, fossils, minerals, rocks, meteorites, human remains, and human cultural artifacts, as well as specialized collections for frozen tissue and genomic and astrophysical data, of which only a small fraction can be displayed at any given time. The museum occupies more than . AMNH has a full-time scientific staff of 225, sponsors over 120 special field expeditions each year, and averages about five million visits annually. The AMNH is a private 501(c)(3) organization. Its mission statement is: "To discover, interpret, and disseminate—through scientific research and ...
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