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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 Two unpublished studies have since argued that the genus ''Cathetosaurus'' should be reinstated, whereas two other studies have argued that ''C. lewisi'' may be a junior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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cathetosaurus Skeleton 1
''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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Late Jurassic
The Late Jurassic is the third epoch of the Jurassic Period, and it spans the geologic time from 163.5 ± 1.0 to 145.0 ± 0.8 million years ago (Ma), which is preserved in Upper Jurassic strata.Owen 1987. In European lithostratigraphy, the name "Malm" indicates rocks of Late Jurassic age. In the past, ''Malm'' was also used to indicate the unit of geological time, but this usage is now discouraged to make a clear distinction between lithostratigraphic and geochronologic/chronostratigraphic units. Subdivisions The Late Jurassic is divided into three ages, which correspond with the three (faunal) stages of Upper Jurassic rock: Paleogeography During the Late Jurassic Epoch, Pangaea broke up into two supercontinents, Laurasia to the north, and Gondwana to the south. The result of this break-up was the spawning of the Atlantic Ocean. However, at this time, the Atlantic Ocean was relatively narrow. Life forms of the epoch This epoch is well known for many famous types of dinosau ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Specific Name (zoology)
In zoological nomenclature, the specific name (also specific epithet or species epithet) is the second part (the second name) within the scientific name of a species (a binomen). The first part of the name of a species is the name of the genus or the generic name. The rules and regulations governing the giving of a new species name are explained in the article species description. For example, the scientific name for humans is ''Homo sapiens'', which is the species name, consisting of two names: ''Homo'' is the " generic name" (the name of the genus) and ''sapiens'' is the "specific name". Historically, ''specific name'' referred to the combination of what are now called the generic and specific names. Carl Linnaeus, who formalized binomial nomenclature, made explicit distinctions between specific, generic, and trivial names. The generic name was that of the genus, the first in the binomial, the trivial name was the second name in the binomial, and the specific the proper term for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Macronarians
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Michael P
Michael may refer to: People * Michael (given name), a given name * Michael (surname), including a list of people with the surname Michael Given name "Michael" * Michael (archangel), ''first'' of God's archangels in the Jewish, Christian and Islamic religions * Michael (bishop elect), English 13th-century Bishop of Hereford elect * Michael (Khoroshy) (1885–1977), cleric of the Ukrainian Orthodox Church of Canada * Michael Donnellan (1915–1985), Irish-born London fashion designer, often referred to simply as "Michael" * Michael (footballer, born 1982), Brazilian footballer * Michael (footballer, born 1983), Brazilian footballer * Michael (footballer, born 1993), Brazilian footballer * Michael (footballer, born February 1996), Brazilian footballer * Michael (footballer, born March 1996), Brazilian footballer * Michael (footballer, born 1999), Brazilian footballer Rulers =Byzantine emperors= *Michael I Rangabe (d. 844), married the daughter of Emperor Nikephoros I * M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Holotype
A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several examples, but explicitly designated as the holotype. Under the International Code of Zoological Nomenclature (ICZN), a holotype is one of several kinds of name-bearing types. In the International Code of Nomenclature for algae, fungi, and plants (ICN) and ICZN, the definitions of types are similar in intent but not identical in terminology or underlying concept. For example, the holotype for the butterfly '' Plebejus idas longinus'' is a preserved specimen of that subspecies, held by the Museum of Comparative Zoology at Harvard University. In botany, an isotype is a duplicate of the holotype, where holotype and isotypes are often pieces from the same individual plant or samples from the same gathering. A holotype is not necessarily "typ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Society Of Vertebrate Paleontology
The Society of Vertebrate Paleontology (SVP) is a professional organization that was founded in the United States in 1940 to advance the science of vertebrate paleontology around the world. Mission and Activities SVP has about 2,300 members internationally and holds annual scientific conferences in North America and elsewhere. It is organized for educational and scientific purposes with a mission to "advance the science of vertebrate paleontology and to serve the common interests and facilitate the cooperation of all persons concerned with the history, evolution, comparative anatomy, and taxonomy of vertebrate animals, as well as field occurrence, collection, and study of fossil vertebrates and the stratigraphy of the beds in which they are found." SVP is also concerned with the conservation and preservation of fossil sites. SVP publications include the ''Journal of Vertebrate Paleontology'', the ''SVP Memoir Series'', the ''News Bulletin'', the''Bibliography of Fossil Vertebrates' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harvard Museum Of Natural History
The Harvard Museum of Natural History is a natural history museum housed in the University Museum Building, located on the campus of Harvard University in Cambridge, Massachusetts. It features 16 galleries with 12,000 speciments drawn from the collections of the University's three natural history research museums: the Harvard University Herbaria, the Museum of Comparative Zoology, and the Harvard Mineralogical Museum. The museum is physically connected to the Peabody Museum of Archaeology and Ethnology at 26 Oxford Street. One admission grants visitors access to both museums. In 2012, Harvard formed a new consortium, the Harvard Museums of Science and Culture, whose members are the Harvard Museum of Natural History, the Semitic Museum, the Peabody Museum, and the Collection of Historical Scientific Instruments. History The Harvard Museum of Natural History was created in 1998 as the "public face" of three research museums—the Museum of Comparative Zoology, the Harvard Mineralo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mesa County, Colorado
Mesa County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 155,703. The county seat is Grand Junction. The county was named for the many large mesas in the area, including Grand Mesa. Mesa County comprises the Grand Junction, CO Metropolitan Statistical Area. In 2020 it ranked as the 271st most populous metropolitan area in the United States. It is the only metropolitan area in Colorado not located on the Front Range. Geography According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.4%) is water. It is the fourth-largest county by area in Colorado. Adjacent counties * Garfield County – north * Pitkin County – east * Gunnison County – east * Delta County – southeast * Montrose County – south * Grand County, Utah – west Major highways * Interstate 70 * * * U.S. Highway 6 * U.S. Highway 50 * State Highway 65 * State Highway 139 * State Highway 141 * State Highway 3 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sauropod
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
