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Showing 1 to 20 of 39 for “"dinosaur"”.
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Depositional Model of a Late Cretaceous Dinosaur Fossil Concentration, Lance Formation
<p>A large Maastrichtian, nearly monospecific bonebed in the Lance Formation in eastern Wyoming has yielded 13,000 bones and fragments since 1996. Though excavation of the site continues, little is known of the circumstances and processes of deposition. This study aims to provide a depositional …
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Unconquerable Monsters Of The Imperial Periphery: Early Dinosaur Fiction, 1864-1912
This thesis defines the term "dinosaur fiction" as narratives that feature living fossil reptiles in the modern world and looks to the emergent period of dinosaur fiction, 1864-1912, for patterns of representational practices and ideologies. An analysis of Jules Verne's Journey to the Centre of the …
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Jurassic park--the thesis : simulation of dinosaur social behavior using behavior networks
Thesis: B.S., Massachusetts Institute of Technology, Department of Mathematics, 1993
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Unravelling the biology of the Southern African Sauropodomorph dinosaurs, Plateosauravus and the 'Maphutseng dinosaur'
The nomen dubium “Euskelosaurus ” has functioned as a waste - basket taxon for decades, with large bodied sauropodomorph material from South Africa as signed to it without proper analysis.
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Cretaceous Amber: A New Source of Bird Remains and of Palaeoecological Information in Dinosaur Bonebeds
… Although a few feathers may belong to non-avian dinosaur taxa, this survey confirmed earlier hypotheses that Enantiornithes were the dominant source of feathers in this ecosystem. The structure and pigmentation patterns reported added to larger-scale hypotheses regarding the groups present in the …
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Taphonomy of a Lance Formation(Maastrichtian, WY) Dinosaur Bonebed with a Focus on Tooth Traces
… bones of various states of abrasion from dinosaurs, turtles, and crocodilians are clustered together in a channelized sandstone unit. The mismatched taphonomic signatures of the bonebed suggest that it is amixed assemblage, containing bones with different taphonomic histories that were …
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Evolutionary palaeoecology of the megaherbivorous dinosaurs from the Dinosaur Park Formation (upper Campanian) of Alberta, Canada
During the Late Cretaceous, megaherbivorous dinosaurs flourished in the Western Interior of North America (Laramidia). At any one time, there were typically two ankylosaurs (one ankylosaurid plus one nodosaurid), two ceratopsids (one centrosaurine plus one chasmosaurine), and two hadrosaurids (one …
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The Phylogeny of Basal Coelurosaurian Theropods (Archosauria: Dinosauria) and Patterns of Morphological Evolution during the Dinosaur-Bird Transition
Theropod dinosaurs are an iconic and familiar group of extinct species that include predators such as Tyrannosaurus and Velociraptor, as well as an array of other Mesozoic taxa. Carnivorous theropods are the evolutionary ancestors of birds, and the evolutionary transition between theropods and …
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Archeological Inventory and Monitoring Plan
<p>The personnel of Dinosaur National Monument, a unit of the National Park Service, are responsible for the protection of natural and cultural resources within its boundaries. While natural resources have received much attention in Dinosaur, cultural resources have not received the treatment they …
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Two New Dinosaur Bonebeds From the Late Jurassic Morrison Formation, Bighorn Basin, Wy: an Analysis of the Paleontology and Stratigraphy
… than other methods. The geologic age of the dinosaurs uncovered in the VMNH quarry is in agreement with the age determined stratigraphically. The VMNH site is below Ostrom's Unit II, which would place it in the Late Jurassic. The determination of the Jurassic/Cretaceous stratigraphic boundary …
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Osteology, Morphometrics, and Phylogenetic Systematics of the ‘Booneville Dinosaur’ (Ornithopoda: Hadrosauridae) From the Early–Middle Campanian Coffee Formation of Northeastern Mississippi
<p>The non-avian dinosaur fossil record of Mississippi includes members of the clades Hadrosauroidea, Nodosauridae, Tyrannosauroidea, Ornithomimidae, Dromaeosauridae, and Ceratopsia. These members are represented only by non-articulated usually isolated elements, deposited in the marine and …
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THE ICHNOLOGICAL AND DEPOSITIONAL CONTEXT OF BIOERODED TRICERATOPS BONES FROM THE MAASTRICTHIAN FRENCHMAN FORMATION OF SOUTHERN SASKATCHEWAN, CANADA
… studies on osteic bioerosion trace fossils on dinosaur bones have contributed to our understanding of Mesozoic terrestrial paleoecology and depositional environments. In many cases, body fossils of the inferred tracemaker are either exceedingly rare or absent from the fossil record due to …
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The Origin and Early Evolution of the Dinosauria
For 130 years dinosaurs have been divided into two distinct clades – Ornithischia and Saurischia. This dissertation looks at the earliest evolution of the clade Dinosauria by focusing upon the interrelationships of the major subsidiary clades within it. It does this following examination, …
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Reconstructing the ecological relationships of the latest Cretaceous Antarctic dinosaurs and how functional tooth morphology influenced diet and ecological niche among basal Ornithopod dinosaurs
… final three connected Gondwanan landmasses, the dinosaur fossil record of Antarctica in the Cretaceous is the least complete. Most dinosaur faunas in this time period (145 Ma to 66.0 Ma) are widely separated geographically and temporally from one another by million years. However, a group of …
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Unravelling the palaeobiology of the dinosaurian post crania and associated carnivore teeth from the early jurassic, Elliot formation in the Eastern Cape
… Jurassic. This stratigraphic unit bears a varied dinosaur assemblage, among which sauropodomorph dinosaurs are the most abundant. Sauropodomorpha are particularly well documented in the Upper Elliot Formation and are morphologically and taxonomically diverse. Specimen AM 6147, a large basal …
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From grains to tracks: high-resolution sedimentology of track-bearing Stormberg strata, southern Africa
… comprising Upper Triassic– Lower Jurassic dinosaur tracks, are preserved. Extensive studies have been carried out to document these individual tracksites and to examine the variations between sites and through time, with recent studies suggesting that track abundance and anatomical fidelity …
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A Study of Carasaurus' (Dinosaura: Sauropodomorph) Torso and its Biomechanical Implications
… vertebrae and the dorsal ribs of the sauropod dinosaur Camarasaurus (Upper Cretaceous, Wyoming or whatever) shows that the dorsal vertebral column has a slight double curve and the torso is more narrow and volumetrically smaller than previously reconstructed. The shape of the dorsal vertebrae …
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U-Pb calcite dating of fossil eggshell and its impact on continental terrestrial sedimentology
… with LA-ICP-MS U-Pb calcite age dating of dinosaur eggshell recovered from Tel Ulaan Chaltsai against dinosaur eggshell from the Mussentuchit Member (Utah, USA.) which has been temporally well-constrained by ashfall zircon geochronology. Our results indicate that sediments of Tel Ulaan …
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Rao's Quadratic Entropy and Some New Applications
… intervals. The methods are applied on a real dinosaur diversity data set and simulation experiments are performed to study the validity of the intervals. Quadratic entropy is also used for clustering multinomial data. Another application of quadratic entropy that is provided here is to test …
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Are 'exceptionally' preserved skeletal fossils necessarily exceptional chemically and cytologically?
… microscopic scale. Here, we analyze a feathered dinosaur specimen from the Jehol Lagerstätte to assess claims of blood cell preservation and the state of potential biomolecular preservation. Beipiaosaurus inexpectus is a fairly complete specimen with preserved feathers. Though crushed, fine …
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