En total se han encontrado nueve cráneos entre los restos de varios esqueletos. Within this group Pentaceratops belonged to the Ceratopsinae or Chasmosaurinae. The Pentaceratops probably had the largest skull of all land-living animals.  The below cladogram follows Longrich (2014), who named a new species of Pentaceratops, and included nearly all chasmosaurine species. The generic name means "five-horned face", derived from the Greek penta (πέντα, meaning five), keras (κέρας, horn) and -ops (ὤψ, face), in reference to its two long epijugal bones, spikes which protrude out sidewards from under its eyes, in addition to the three more obvious horns as with Triceratops. Pentaceratops had the largest skull of any known land animal at 9.5-10 feet long, beating out the previous record holder, Torosaurus. Probablemente el Pentaceratops, al igual que la mayoría de los ceratopsianos, presentaban un comportamiento gregario.. Here he discovered a complete skeleton, which he sold to the American Museum of Natural History. Pentaceratops proved to be a quite common fossil in the Fruitland and Kirtland formations. Pentaceratops was first discovered by Charles Hazelius Sternberg in 1921 near the San Juan Basin in New Mexico. Its TCG cards claim it to be 26 ft (8 m) long, though this is oversized compared to the many known specimens.  In 2016 Paul estimated its length at 5.5 meters (18 ft) and its weight at 2.5 tonnes (2.75 short tons).  Subsequent finds include specimens MNA Pl. Era herbívoro y vivió en América del Norte durante el período Cretácico . It was based on Sternberg's 1921 specimens and the specific name referred to a hole in the left squamosal. This late Cretaceous ceratopsian was "diagnosed" at the turn of the 20th century by the famous paleontologist Othniel C. Marsh, on the basis on a single, two-horned skull lacking the characteristic nasal horn of Triceratops--and given the name Diceratops, by another scientist, a few years after Marsh's death. Pentaceratops is a massive ceratopsid, with an equally massive skull and frill.  The other specimens are smaller. It is rectangular, adorned by large triangular osteoderms: up to twelve episquamosals at the squamosal and three epiparietals at the parietal bone. He means the skull is bigger than an entire human, not bigger than a human skull. Pentaceratops (five-horned face) is a genus of herbivorous ceratopsid dinosaur from the late Cretaceous Period of what is now North America. The size of the animal was no more than 8 meters long, while the height of this strange creature was a maximum of 400 centimeters, whose weight is estimated to have been more than 5 tons. Their clade was perhaps more derived than the earlier genus Chasmosaurus but more basal than Anchiceratops, the latter representing a line of which Triceratops was a member, which lived a few million years later, right at the end of the Cretaceous period, when all ceratopsians died out. Pentaceratops fossils were first discovered in 1921. File usage on other wikis; Metadata; Size of this preview: 775 × 599 pixels. El cráneo y el esqueleto asociado se encuentra en exhibición en el Museo de Historia Natural Sam Noble de Oklahoma. It had a short nose horn, two long brow horns, and long horns on the jugal bones. Characteristics of the Pentaceratops. and S.G. Lucas. The Kirtlandian land-vertebrate “age”— faunal composition, temporal position and biostratigraphic correlation in the nonmarine Upper Cretaceous of western North America. Its known maximum size is dependent on the identity of specimen OMNH 10165. The Williams Fork chasmosaur differs from the Pentaceratops and Utahceratops species, and might require a new specific or generic name.. La gola de Pentaceratops es más larga que la de Triceratops, con dos grandes ventanas en ella. The somewhat upward tilted frill of Pentaceratops is considerably longer than that of Triceratops, with two large holes (parietal fenestrae) in it. Más material encontrado en Colorado ha sido identificado como Pentaceratops en 2006.. Search Pentaceratops Skull. In 1930, Wiman named a second species of Pentaceratops: P. fenestratus.  However, in 2011, the skeleton was renamed as a separate genus, Titanoceratops, due to its more derived morphology, similarities to Triceratops, and lack of unique characteristics shared with Pentaceratops. Pentaceratops, meaning 'five-horned face' was a genus of ceratopsian dinosaur from the Cretaceous Period.It was about 6 metres long, and it had a long frill, like other chasmosaurine ceratopsians. The species was named and described by Henry Fairfield Osborn in 1923, as Pentaceratops sternbergii. Sternberg worked in commission for the Swedish Uppsala University. One exceptionally large specimen later became its own genus, Titanoceratops, due to its more derived morphology, similarities to Triceratops, and lack of unique characteristics shared with Pentaceratops.. Osborn originally assigned Pentaceratops to Ceratopsia. It is likely that the huge frill was used as a headdress to impress other species. Its skull had a very long frill with triangular hornlets on the edge. The dinosaur we call Diceratops also rests on shaky ground, but for another reason. In 1998 Thomas Lehman described OMNH 10165, a very large skull and its associated skeleton found in New Mexico in 1941. Measuring 7.5 meters in its length and standing 2.5 meters tall, the Pentaceratops was one of the largest ceratopsid dinosaurs. Ultimately the plant material was digested by the large gut. In Pentaceratops, the thickness of the epijugal is carried to an extreme. Descrito por Henry Fairfield Osborn en 1923, quien le diera el nombre específico en honor a quien lo descubriera P. sternbergii. Fossils have been found in New Mexico, North America.  Within the notch the first epiparietals point forwards. The very thick jugal and the squamosal do not touch each other, a possible autapomorphy. , The holotype was the skull discovered by Sternberg in 1922, specimen AMNH 6325. File:Pentaceratops skull profile 0870.JPG. Every page goes through several hundred of perfecting techniques; in live mode. The skull length of AMNH 1624 is 2.3 meters while PMU R.200 has a length of 2.16 meters. Esta página se editó por última vez el 12 oct 2020 a las 10:37. The somewhat upward tilted frill of Pentaceratops is considerably longer than that of Triceratops, with t… Just better. Just better. Presentaba tres cuernos en su cabeza, un pico fuerte y grueso similar al de los loros, un volante óseo ( gola) revestido de espinas, además de patas macizas y un cuerpo robusto. The prepubis is long. Since Triceratops' discovery in 1887, up to 16 species of the dinosaur have been proposed, but only two species T. horridus and T. prorsus are currently considered valid, according to a 2014 study in the journal Proceedings of the National Academy of Sciences (PNAS), which found that T. horridus likely evolved into T. prorsus over a span of 1 million to 2 million years. The brow horns are very long and curving strongly forwards. Pentaceratops is a large ceratopsid. However, this also means it comes into contact with copious amounts of raw element. Pentaceratops is one of the largest Ceratopsians.It measured about 20 - 24 feet in length and weighed about 5 - 6.5 tonnes.It had the longest skull of any land vertebrate,measured upto 10.5 feet. Tenía una gola más grande que la de otros ceratopsiosy tres cuernos; era el de mayores dimensiones de la familia. He noted that the placement of Utahceratops does not make the genus paraphyletic, as there is no requirement that genera are monophyletic.  This was later considered to be the same species as Pentaceratops sternbergii and thus a junior synonym, the hole being the likely effect of an injury. Descripción. In 1921 he recovered a skull and a rump, specimens PMU R.200 and PMU R.286, at the Meyers Creek near the Kimbetoh Wash in a layer of the Kirtland Formation. Quite the same Wikipedia.  In 2016, Mallon et al. Visit & Look Up Quick Results Now On celebrandoleonardo500.com! Titanoceratops was named for its large size, being one of the largest known horned dinosaurs and the type species was named T. ouranos, after Uranus (Ouranos), the father of the Greek titans. , In 2014 Nicholas Longrich named a new species: Pentaceratops aquilonius, "the northern one," based on fragmentary fossils discovered during the 1930s near Manyberries in Canada. Cráneo tipo de Pentaceratops sternbergii, AMNH-6325, Cráneo de Museo Sam Noble, mide 310 centímetros, Sullivan, R.M. It is the oldest known member of Triceratopsini. The species has been described as having a first epiparietal pointing upwards instead of forwards. Otros dinosaurios del mismo lugar incluían a Parasaurolophus cyrtocristatus, Prenocephale, Nodocephalosaurus y posiblemente al Daspletosaurus. This specimen has a reconstructed length of 6.8 meters, a reconstructed skull length of 3.22 metres and a weight estimated by Lehman at 9877 kilograms. These are largest at the rear corners of the frill, and are separated by a large U-shaped notch at the midline, a feature not recognized until 1981 when specimen UKVP 16100 was described. 1668, MNA Pl. OMNH 10165, skull and illustration, showing reconstructed frill (in black) For one thing, the animal was ginormous. Pentaceratops lived around 76–73 million years ago, its remains having been mostly found in the Kirtland Formation in the San Juan Basin in New Mexico. Despite its name, Pentaceratops had three horns on its head, the same number as most other chasmosaurines.  El esqueleto fue encontrado en Nuevo México en 1941. The rump of the main specimen was discarded by the museum because it had insufficient value as a display. , Pentaceratops medía aproximadamente 8 metros de longitud y 4 de altura, con un peso estimado de 5,500 kilogramos. Presentaba tres cuernos en su cabeza, un pico fuerte y grueso similar al de los loros, un volante óseo (gola) revestido de espinas, además de patas macizas y un cuerpo robusto. The rear dorsal vertebrae bear long spines from which ligaments possibly ran to the front, to balance the high frill. What we do. The cladogram of the phylogeny of Pentaceratops according to a study by Scott Sampson et al.  en el Bajío San Juan de Nuevo México. About a dozen skulls and skeletons have been uncovered, so anatomical understanding of Pentaceratops is fairly complete. Lucas, S.G., Sullivan, R.M., Hunt, A.P., 2006, Re-evaluation of, This page was last edited on 7 July 2020, at 15:22. From Wikimedia Commons, the free media repository. Whereas in a typical skull of Chasmosaurus the lower end of the jugal might measure 30 mm in thickness without the epijugal and 40 or even 50 mm with one, the skull of Pentaceratops measures a whopping 144 mm with the conical epijugal in position. From the genus Pentaceratops. Los primeros restos fósiles de Pentaceratops fueron descubiertos por C. H. Sternberg en Nuevo México. He sent these fossils to paleontologist Carl Wiman. Lehman, T. M., 2001, Late Cretaceous dinosaur provinciality: In: Mesozoic Vertebrate Life, edited by Tanke, D. H., and Carpenter, K., Indiana University Press, pp.  The name had been suggested to Osborn by William Diller Matthew; the specific epithet served as a consolation to the almost bankrupt Sternberg whose 1923 fossils were initially not acquired by the museum that had to use its 1923/1924 budget to process the finds of the great Asian expeditions by Roy Chapman Andrews. C. Wiman, 1930, "Über Ceratopsia aus der Oberen Kreide in New Mexico", Lehman, T.M., 1998, "A gigantic skull and skeleton of the horned dinosaur, Longrich, N., 2014, "The horned dinosaurs, Rowe, T., Colbert, E.H. and Nations, J.D., 1981, "The occurrence of, CS1 maint: multiple names: authors list (, New Mexico Museum of Natural History and Science, Sam Noble Oklahoma Museum of Natural History, "New Horned Dinosaurs from Utah Provide Evidence for Intracontinental Dinosaur Endemism", The Kirtlandian land-vertebrate "age" – faunal composition, temporal position and biostratigraphic correlation in the nonmarine Upper Cretaceous of western North America, https://en.wikipedia.org/w/index.php?title=Pentaceratops&oldid=966522780, Late Cretaceous dinosaurs of North America, Articles with dead external links from December 2017, Articles with permanently dead external links, All Wikipedia articles written in American English, All articles with specifically marked weasel-worded phrases, Articles with specifically marked weasel-worded phrases from August 2016, Wikipedia articles needing clarification from August 2016, Creative Commons Attribution-ShareAlike License. The skull is very large but is oth-erwise similar to the type (AMNH 6325) and referred specimens of P. sternbergi (Lehman, 1993). Jump to navigation Jump to search. It was found in a layer of the Fruitland Formation, dating from the Campanian, about seventy-five million years old. The initial remains (a skull and a piece of hipbone) were discovered in 1921 by Charles H. Sternberg, who continued plying this same New Mexico location over the next couple of years until he had collected enough specimens for his fellow paleontologist Henry Fairfield Osborn to erect the genus Pentaceratops. Size: Average seems to be around 6 meters long, though several specimens have been estimated at around 6.5 to 7 meters long. Pentaceratops ("five-horned face") is a genus of herbivorous ceratopsid dinosaur from the late Cretaceous Period of what is now North America. Unlike some other horned, frilled dinosaurs, Pentaceratops has a fairly straightforward fossil history. It appears to be most closely related to Utahceratops. The nose horn of Pentaceratops is small and pointing upwards and backwards. and S.G. Lucas, 2011, "Charles Hazelius Sternberg and his San Juan Basin Cretaceous dinosaur collections: Correspondence and photographs (1920-1925)". The genus was named in 1923 when its type species Pentaceratops sternbergii was described. H.F. Osborn, 1923, "A new genus and species of Ceratopsia from New Mexico. The ischium is long and strongly curves forward. The brow horns are very long and curving strongly forwards. Pentaceratops fossils were first discovered in 1921. It was named in 2011 by Nicholas R. Longrich for a specimen previously referred to Pentaceratops. Pentaceratops tiene la distinción de haber producido el cráneo conocido más grande para un vertebrado terrestre. found P. aquilonius to be morphologically similar to Spiclypeus shipporum, with it possibly being the same species, and considered P. aquilonius a nomen dubium. Pentaceratops - WikiMili, The Free Encyclopedia - … Most measurements of the skull (basal length, pre-orbital height of face and rostrum) are 17 to 25 percent larger than in other skulls (AMNH 6325, AMNH 1624, PMU.R200). in 2010 found that the genus was most closely related to Utahceratops, from a similar age and region. 1747, NMMNH P-27468 and USNM 2416, partial skeletons with skull; YPM 1229, a skeleton lacking the skull; UALP 13342 and UKVP 16100, skulls; UNM B-1701, USNM 12741, USNM 12743, USNM 8604, SMP VP-1596, SMP VP-1488, SMP VP-1500 and SMP VP-1712, fragmentary skulls. It also had a large bony frill that was on the back of its skull. Pentaceratops was about 6 meters (20 feet) long, and has been estimated to have weighed around five tonnes.  The nose horn of Pentaceratops is small and pointing upwards and backwards. The skull is presently on display at the Sam Noble Oklahoma Museum of Natural History, and is the largest Pentaceratops exemplar known, with the distinction of having produced the largest known skull of any land vertebrate. Habría utilizado su pico agudo de ceratopsiano para arrancar las hojas o las agujas. In smaller specimens the thigh bone bows outwards.. The museum then sent out a team headed by Charles Mook and Peter Kaisen to assist Sternberg in securing this specimen; subsequent digging by Sternberg in 1923 brought the total of AMNH specimens to four. Sullivan, R.M. , Longrich stated that the holotype and referred specimen of P. aquilonius fall within the diagnosis of Pentaceratops, and were recovered very close to the type species in the phylogeny. Like other animals, element began to influence its evolution...similar to creatures like Velonasaur and Managarmr, a… Pentaceratops, como todos los ceratopsianos, era un herbívoro. In 2016 Paul estimated its length at 5.5 meters (18 ft) and its weight at 2.5 tonnes (2.75 short tons). , Sometimes the identification of a specimen as Pentaceratops has proven to be highly contentious. It would have used its sharp ceratopsian beak to bite off the branches which were then shredded - leaves, needles and all - by the tooth batteries, providing a self-sharpening continuous cutting edge in both upper and lower jaws. During the Cretaceous, flowering plants were "geographically limited on the landscape"[according to whom? New Mexico Museum of Natural History and Science Bulletin 35:7-29, Lucas, S.G., Sullivan, R.M., Hunt, A.P., 2006c, Re-evaluation of, Museo de Historia Natural Sam Noble de Oklahoma, http://www.nmnaturalhistory.org/science/bulletins/35/sci_bulletin35_2.pdf, «Delayed Debut for Jumbo Dino Skull - 282 (5390): 871 - Science», https://es.wikipedia.org/w/index.php?title=Pentaceratops&oldid=130001120, Wikipedia:Artículos con enlaces externos rotos, Wikipedia:Páginas con enlaces mágicos de ISBN, Wikipedia:Artículos con identificadores Microsoft Academic, Licencia Creative Commons Atribución Compartir Igual 3.0.
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