[{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/wiki.edu.vn\/all2en\/wiki32\/loversaururus-wikipedia\/#BlogPosting","mainEntityOfPage":"https:\/\/wiki.edu.vn\/all2en\/wiki32\/loversaururus-wikipedia\/","headline":"Loversaururus – Wikipedia","name":"Loversaururus – Wikipedia","description":"before-content-x4 Bajadasaurus ( Hen et al. , 2019 ; literally Bajada lizard ) is an extinct genre of Sauropode Dicraeosauride","datePublished":"2019-07-27","dateModified":"2019-07-27","author":{"@type":"Person","@id":"https:\/\/wiki.edu.vn\/all2en\/wiki32\/author\/lordneo\/#Person","name":"lordneo","url":"https:\/\/wiki.edu.vn\/all2en\/wiki32\/author\/lordneo\/","image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/44a4cee54c4c053e967fe3e7d054edd4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/44a4cee54c4c053e967fe3e7d054edd4?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Enzyklop\u00e4die","logo":{"@type":"ImageObject","@id":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","url":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/6\/61\/Amargasaurus%2C_MEF_Trelew_02.JPG\/220px-Amargasaurus%2C_MEF_Trelew_02.JPG","url":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/6\/61\/Amargasaurus%2C_MEF_Trelew_02.JPG\/220px-Amargasaurus%2C_MEF_Trelew_02.JPG","height":"165","width":"220"},"url":"https:\/\/wiki.edu.vn\/all2en\/wiki32\/loversaururus-wikipedia\/","wordCount":2603,"articleBody":"     (adsbygoogle = window.adsbygoogle || []).push({});before-content-x4Bajadasaurus ( Hen et al. , 2019 ; literally Bajada lizard ) is an extinct genre of Sauropode Dicraeosauride dinosaur who lived in the lower Cretaceous, about 140-134 million years ago (Berriasiano-Valanginian), in what is today the Bajada Colorada formation, in Patagonia, Argentina.        (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4The genre contains a single species, that is B. B. , known for a single specimen found in 2010, and which included an almost complete skull, and two cervical vertebrae. [first] Bajadasaurus It showed long bifurcated neural spines, extremely elongated that extended from the cervical vertebrae, towards the head of the animal. This made it very similar to Amargasaurus , another kind of dicraeosauride also equipped with elongated and curved neural spines. Various hypotheses have been proposed on the function of these long spines in Amargasaurus , and with the description of the Bajadasaurus of 2019, hen et al. They suggest that these structures provided a passive defense against predators in both genres. The orbits of Bajadasaurus They were placed in a high position of the skull, perhaps allowing the animal to look forward while feeding on. Bajadasaurus He was discovered in sedimentary rocks of the Bajada Colorada formation, and his environment resembled a woven river system. He shared his environment with other dinosaurs, including the Sauropode Latter And several tertopodes. The most evident and bizarre anatomical characteristics of Bajadasaurus There were certainly long neural spines markedly elongated and turned forward of the cervical vertebrae. Hen et al. (2019) suggests that these large structures, in life, were covered with keratin, which would have increased their length, and that they were used primarily as a form of passive defense against predators. These characteristic elongated neural spines had already been found in the dicraeosauride Amargasaurus , however in the latter the thorns are addressed posteriorly. [first] The related genre Amargasaurus , whose similar neural spines have been compared to those of Bajadasaurus Bajadasaurus It is classified as a member of the dicraeosauridae family, a family of Sauropods generally small with relatively short hills. [first] [2] The dicraeosaurids are one of the three main families included in Diplodocoidea, one of the main subdivisions of the Sauropod dinosaurs. Inside Diplodocoidea, the dicraeosaurids form a Sister Group with the Diplodocidae, while the third family, the Rebbachisauridae, is further away. Dictraeosaurids and Diplodocides are united within the flagellicaudata group, which takes its name from the characteristic whip of the group. [3] In their description of Bajadasaurus of 2019, hen and colleagues recognized seven additional dictates genres. The oldest is Lingwulong From the first to the medium jurssic of China, [4] While three other genres are known by the superior Giurassico, i.e. Brachytrachelopan from Argentina, Joke by the United States, and the eponymous DICRAEOSAURUS from Tanzania. The dicraeosaurids of the lower Cretaceous include Bajadasaurus as well as Amargatitanis , Pilmatueia It is Amargasaurus , all from Argentina. An without name of the Itapecuru training of Brazil indicates that the group persists at least until the end of the lower Cretaceous. [5] Even if the elongated and bifurcated neural spines are a common feature of the group, the extremely eliminated thorns of Bajadasaurus they are known only in the genre Amargasaurus , lived about 15 million years before Bajadasaurus . [first]        (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4Arcade of isolated teeth showing pre-masculine (PM1-4) and jaws (M1-8) In their phylogenetic analysis, hen and colleagues (2019) recovered Bajadasaurus as an intermediate member of dicraeosauridae, more derivative of Joke It is Lingwulong , but less derivative than Pilmatueia , Amargasaurus , DICRAEOSAURUS It is Brachytrachelopan . Amargatitanis has been removed from the analysis due to its unstable position. The assignment of Bajadasaurus In Dicraeosauridae it is supported by six synapomorphies (anatomical characteristics shared with other members of the group). The animal can be distinguished from the other dictiosaurids for its unique combination of characteristics, which includes four autapomorphies (a medialy extended post -temporal window, thin and long basal processes, neural nerve vertically oriented of the second cervical vertebra and elongated neural spines, curved in forward on the neck). [first] The following chicken cladogram and colleagues (2019) [first] shows possible relationships between the various members of Dicraeosauridae: Known fossil elements of Bajadasaurus The only specimen of Bajadasaurus Known was brought to light in 2010 by the Paleontologists of the Conedet, the scientific agency of the Argentine government. The website of the discovery, the Bajada Colorada locality, is located 40 kilometers (25 miles) south of the city of Pic\u00fan Leuf\u00fa, near the western banks of the Limay River, in Patagonia. The specimen, of which only a few teeth were initially visible, was found by the Argentine paleontologist Pablo Gallina. Since fossils in this area are often fragile, the specimen has not been extracted on the bone oxing field, but was extracted as a single block of rock and bones wrapped in the plaster. The preparation of the block in the laboratory then revealed most of the skull and the first two and probably the fifth vertebra of the neck of a new kind of Sauropode dinosaur. [first] [6] The website of the discovery is part of the Bajada Colorada formation, a succession of sedimentary rocks of the Neuqu\u00e9n basin dated between the end of the Berriasian at the beginning of the avalancinian, of the lower Cretacic. The specimen is now curated by the Municipal Museum Ernesto Bachmann in Villa El Choc\u00f3n, province of Neuqu\u00e9n, with the number of catalog Mmch-Pv 75. [first] The specimen was formally described as the olotype of a new genre and species, Bajadasaurus incompatible , as a chicken and colleagues, in 2019. The generic name, Bajadasaurus , derives from the Spanish word Bajada (“downhill”) in reference to the locality of Bajada Colorada, and the Greek word Saurus That is “lizard”. The specific name, incompatible derives from the Latin flat that is, “bent forward”, and by the Greek spinax That is, “backbone”, referring to the elongated and curved neural spines of the animal. [first]        (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4Map of the position of the Olotype quarry Bajadasaurus It was found inside the Bajada Colorada formation, a geological formation of the Mendoza group, exhibited in the north of Patagonia. The formation is composed of red and green-brown arenical arenicals of granulometry both fine grain and large grain together with reddish clay bands and light brown silver. These sediments were mostly deposited by a system of intertwined rivers, as is evident from well preserved river channels with crossed beds. The Bajada Colorada formation overlaps the Quintuco and Pic\u00fan Leuf\u00fa formations and is covered by the formation of Agrio. [first] [7] [8] The higher age of training is limited by the timing of a discrepancy, dated to 134 million years ago. [9] Bajadasaurus The type of training comes from Baada Colorada from Baada Colorada. The remains of another Sauropode, the Diplodocide were also found in the same location Leinkupal petals , as well as different species of tertopods that can be ascribed to basal tetanuries and possibly to Abelisauroids and deinonychosaurs. [first] [7] ^  a b c d It is f g h i j k  P.A. Gallina, S. Apestegu\u00eda, J.I. Canale E A. Haluza, A new long-spined dinosaur from Patagonia sheds light on sauropod defense system , in Scientific Reports , vol. 9, 2019, p. 1392, two: 10.1038\/S41598-018-37943-3 .  ^  M. Hallett e M. Wedel, The Sauropod Dinosaurs: Life in the Age of Giants , Baltimore, Johns Hopkins University Press, 2016,  p.\u00a045, ISBN\u00a0978-1-4214-2028-8.  ^  JD Harris e P Dodson, A new diplodocoid sauropod dinosaur from the Upper Jurassic Morrison Formation of Montana, USA , in Acta Palaeontologica Polonica , vol. 49, n. 2, 2004, pp. 197\u2013210.  ^  Xing xu, Paul UpChurch, Philip D. Mannion, Paul M. Barrett, Omar R. Regalado-Fernandez, Jinyou Mo, Jinfu Ma E Hongan Liu, A new Middle Jurassic diplodocoid suggests an earlier dispersal and diversification of sauropod dinosaurs , in Nature Communications , vol.\u00a09, 2018,  pp.\u00a0Article number 2700, DOI: 10.1038\/s41467-018-05128-1 .  ^  FAITH. New, The age of dinosaurs in South America , Bloomington, Indiana University Press, 2009,  pp.\u00a0 172 \u2013174, ISBN\u00a0978-0-253-35289-7.  ^  ED Yong, This Dinosaur Had a Mohawk of Horns , in The Atlantic , February 5, 2019. URL consulted on February 9, 2019 .  ^  a b  P.A. Gallina, S.Z. Apestegu\u00eda, A. Haluza e J.I. Canale, A diplodocid sauropod survivor from the Early Cretaceous of South America , in PLoS ONE , Vol. 9, n. 5, 2014, pp. E97128, Bibcode: 2014Ploso … 997128g , DOI: 10.1371\/journal.pone.0097128 .  ^  H\u00e9ctor A. Leanza and Carlos A. Hugo, Cretaceous red beds from southern Neuqu\u00e9n Basin (Argentina): age, distribution and stratigraphic discontinuities , in Electronic publication of the Argentine Paleontological Association , vol. 7, n. 1, 2001, pp. 116\u2013122.  ^  H\u00e9ctor A. Leanza, The main disagreements of the upper Jurassic and the Cretaceous of the Neuquina basin , in Annals of the National Academy of Exact, Physical and Natural Sciences , vol. 57, 2005, pp. 147\u2013155.        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