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THE FLAMING CLIFFS MONGOLIA’S FAMOUS FOSSIL BEDS The Flaming Cliffs in the heart of the Gobi Desert are known worldwide for containing exceptional dinosaur fossils. The cliffs, the fossils, and the plants and animals who live nearby are protected by local government as part of Bayanzag Park. As you enjoy the park, please leave everything as you find it – for science, for the environment, and for Mongolia. WHO LIVED HERE A DELICATE LIVING ECOSYSTEM The Gobi Desert is home to animals and plants that live 80 MILLION YEARS AGO? nowhere else. Follow these rules to keep Bayanzag’s living The time was the Late Cretaceous: the last era when ecosystem from going extinct like the dinosaurs: dinosaurs ruled the earth. The Flaming Cliffs were sand dunes in a desert oasis, and many animals came here to hunt, Never damage plants or collect wood. forage, and raise their young. Meet three of them: Never feed or harm wildlife. Take your trash with you when you leave. Weighing two tons and covered with FOUND A FOSSIL? spiky armor, Pinacosaurus was a formidable plant-eater first discovered Leave it alone. Fossils lose scientific data at the Flaming Cliffs in 1923. and can easily be destroyed if moved. Plus, removing fossils without a permit is illegal. Protoceratops was the first dinosaur If it’s more than a small discovered in fragment, notify the local Mongolia, at officials of Umnugovi the Flaming Aimag. Cliffs in 1922. It ate plants and Also notify the ISMD at was about the size of MongolianDinosaurs.org. Take a sheep. a photo and describe the location. Be careful who you share the location with; Velociraptor, the fossil poaching is common in the Gobi. sharp-clawed star of the Jurassic Park films, was discovered at the Flaming Cliffs in 1924. It was two Information provided by Institute for the Study meters from head to tail, of Mongolian Dinosaurs, a registered nonprofit, feathery like a bird, and nongovernment organization based in the hunted other animals – United States and Mongolia. including Protoceratops. MongolianDinosaurs.org.

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New Oviraptorid Dinosaur (Dinosauria: Oviraptorosauria) from the Nemegt Formation of Southwestern Mongolia
Bull. Natn. Sci. Mus., Tokyo, Ser. C, 30, pp. 95–130, December 22, 2004 New Oviraptorid Dinosaur (Dinosauria: Oviraptorosauria) from the Nemegt Formation of Southwestern Mongolia Junchang Lü1, Yukimitsu Tomida2, Yoichi Azuma3, Zhiming Dong4 and Yuong-Nam Lee5 1 Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China 2 National Science Museum, 3–23–1 Hyakunincho, Shinjukuku, Tokyo 169–0073, Japan 3 Fukui Prefectural Dinosaur Museum, 51–11 Terao, Muroko, Katsuyama 911–8601, Japan 4 Institute of Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China 5 Korea Institute of Geoscience and Mineral Resources, Geology & Geoinformation Division, 30 Gajeong-dong, Yuseong-gu, Daejeon 305–350, South Korea Abstract Nemegtia barsboldi gen. et sp. nov. here described is a new oviraptorid dinosaur from the Late Cretaceous (mid-Maastrichtian) Nemegt Formation of southwestern Mongolia. It differs from other oviraptorids in the skull having a well-developed crest, the anterior margin of which is nearly vertical, and the dorsal margin of the skull and the anterior margin of the crest form nearly 90°; the nasal process of the premaxilla being less exposed on the dorsal surface of the skull than those in other known oviraptorids; the length of the frontal being approximately one fourth that of the parietal along the midline of the skull. Phylogenetic analysis shows that Nemegtia barsboldi is more closely related to Citipati osmolskae than to any other oviraptorosaurs. Key words : Nemegt Basin, Mongolia, Nemegt Formation, Late Cretaceous, Oviraptorosauria, Nemegtia. dae, and Caudipterygidae (Barsbold, 1976; Stern- Introduction berg, 1940; Currie, 2000; Clark et al., 2001; Ji et Oviraptorosaurs are generally regarded as non- al., 1998; Zhou and Wang, 2000; Zhou et al., avian theropod dinosaurs (Osborn, 1924; Bars- 2000).
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American Museum Novitates
AMERICAN MUSEUM NOVITATES Number 3899, 44 pp. April 26, 2018 A Second Specimen of Citipati osmolskae Associated with a Nest of Eggs from Ukhaa Tolgod, Omnogov Aimag, Mongolia MARK A. NORELL,1, 2 AMY M. BALANOFF,1, 3 DANIEL E. BARTA,1, 2 AND GREGORY M. ERICKSON1, 4 ABSTRACT Adult dinosaurs preserved attending their nests in brooding positions are among the rarest vertebrate fossils. By far the most common occurrences are members of the dinosaur group Oviraptorosauria. The first finds of these were specimens recovered from the Djadokhta Forma- tion at the Mongolian locality of Ukhaa Tolgod and the Chinese locality of Bayan Mandahu. Since the initial discovery of these specimens, a few more occurrences of nesting oviraptors have been found at other Asian localities. Here we report on a second nesting oviraptorid specimen (IGM 100/1004) sitting in a brooding position atop a nest of eggs from Ukhaa Tolgod, Omnogov, Mongolia. This is a large specimen of the ubiquitous Ukhaa Tolgod taxon Citipati osmolskae. It is approximately 11% larger based on humeral length than the original Ukhaa Tolgod nesting Citipati osmolskae specimen (IGM 100/979), yet eggshell structure and egg arrangement are identical. No evidence for colonial breeding of these animals has been recovered. Reexamination of another “nesting” oviraptorosaur, the holotype of Oviraptor philoceratops (AMNH FARB 6517) indicates that in addition to the numerous partial eggs associated with the original skeleton that originally led to its referral as a protoceratopsian predator, there are the remains of a tiny theropod. This hind limb can be provisionally assigned to Oviraptoridae. It is thus at least possible that some of the eggs associated with the holotype had hatched and the perinates had not left the nest.
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From the Late Inner Mongolia
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Digitalcommons@University of Nebraska - Lincoln
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Bolortsetseg Minjin - Mongolian Paleontologist S T C O • R Y S • U R M U a O S N O G C O a T L T I E Books
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Download Brochure
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Dinosaurs Alive!
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New Protoceratopsid Specimens Improve the Age Correlation of the Upper Cretaceous Gobi Desert Strata
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Synchrotron Imaging of Dentition Provides
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Reconstruction of Oviraptorid Clutches Illuminates Their Unique Nesting Biology
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Author's Personal Copy
Author's personal copy Cretaceous Research 33 (2012) 7e10 Contents lists available at ScienceDirect Cretaceous Research journal homepage: www.elsevier.com/locate/CretRes A protoceratopsid skeleton with an associated track from the Upper Cretaceous of Mongolia Grzegorz Niedzwiedzki a,e,*, Tomasz Singer b, Gerard D. Gierlinski b,c, Martin G. Lockley d a Department of Paleobiology and Evolution, University of Warsaw, ul. Stefana Banacha 2, PL-02-097 Warszawa, Poland b JuraPark, ul. Sandomierska 4, PL-27-400 Ostrowiec Sw., Poland c Polish Geological Institute, ul. Rakowiecka 4, PL-00-975 Warszawa, Poland d University of Colorado at Denver, Campus Box 172, P.O. Box 173364, Denver, CO 80217-3364, USA e Institute of Paleobiology, Polish Academy of Sciences, Twarda 51/55, PL-00-818 Warszawa, Poland article info abstract Article history: The Djadokhta Formation of the Gobi Desert is known for the number and diversity of dinosaur and other Received 6 May 2010 vertebrate bones and skeletons found there, but only theropod, hadrosaur and supposed ankylosaurid Accepted in revised form 21 July 2011 footprints have been reported from this stratum. Dinosaur footprints are also noted from the Nemegt Available online 30 July 2011 Formation, and occur as typical dinosaur track accumulations (tracksites). An articulated protoceratopsid skeleton e specimen ZPAL Mg D-II/3 e was collected by the Polish-Mongolian Expedition of 1965 from Keywords: the Djadokhta Formation of Flaming Cliffs in Mongolia. Recently, the natural cast of a tetradactyl digi- Protoceratops tigrade footprint was found underneath the pelvic girdle while the skeleton and matrix were being Dinosaur tracks ﬁ ﬁ Upper Cretaceous prepared.
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The Skull of Velociraptor (Theropoda) from the Late Cretaceous of Mongolia
The skull of Velociraptor (Theropoda) from the Late Cretaceous of Mongolia RINCHEN BARSBOLD and HALSZKA OSMOLSKA Barsbold, R. & Osmdlska, H. 1999. The skull of Velociraptor (Theropoda) from the Late Cretaceous of Mongolia. -Acta Palaeontologica Polonica 44,2, 189-219. The well preserved material of the Late Cretaceous dromaeosaurid, Velociraptor mon- goliensis, has allowed us to supplement earlier descriptions of the skull in this species. The skull of I? mongoliensis is similar to that of Deinonychus antirrhopus, but differs from the latter by: (1) laterally convex supratemporal arcade resulting in short, rounded supratemporal fenestra; (2) depressed nasal; (3) longer maxillary process of premaxilla; (4) lack of separate prefrontal, and (5)convex ventral border of the dentary. These differ- ences, especially that in the structure of the temporal region, support generic distinction of Deinonychus and Velociraptor.Skulls of other dromaeosaurids are compared. Key words: Dinosauria, Theropoda, Dromaeosauridae, Velociraptor,skull, mandible, Late Cretaceous, Gobi Desert, Mongolia. Rinchen Barsbold [barsgeodin@magicnet,mn],Institute of Geology, Mongolian Acad- emy of Sciences, Enkh Taivani Gudamji, Ulan Bator 210351, Mongolia. Halszka Osmdlska [[email protected]], Znstytut Paleobiologii PAN, ul. Twarda 51/55, PL-00-818 Warszawa, Poland. Introduction Dromaeosaurids were small to medium size theropods, except for Utahraptor and an undetermined dromaeosaurid from Japan (Azuma & Currie 1995), which were rela- tively large animals. They were cursorial, moderately fast carnivores with large, rostrolaterally facing eyes. There is taphonomic evidence (Ostrom 1990; Maxwell & Ostrom 1995) that at least Deinonychus antirrhopus may have hunted in packs. On the other hand, Velociraptor mongoliensis may have also been a carrion feeder (Osm6lska 1993; but see Kielan-Jaworowska & Barsbold 1972; Unwin et al.
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