dinosaurs

Summary

Summary: General name for two extinct orders of reptiles from the Mesozoic era: Saurischia and Ornithischia.

Top Publications

  1. ncbi Bone histology indicates insular dwarfism in a new Late Jurassic sauropod dinosaur
    P Martin Sander
    Institute of Paleontology, University of Bonn, Nussallee 8, D 53115 Bonn, Germany
    Nature 441:739-41. 2006
  2. pmc Biology of the sauropod dinosaurs: the evolution of gigantism
    P Martin Sander
    Steinmann Institute, University of Bonn, Germany
    Biol Rev Camb Philos Soc 86:117-55. 2011
  3. ncbi Complex dental structure and wear biomechanics in hadrosaurid dinosaurs
    Gregory M Erickson
    Department of Biological Science, Florida State University, Tallahassee, FL 32306 4295, USA
    Science 338:98-101. 2012
  4. pmc Inferences of diplodocoid (Sauropoda: Dinosauria) feeding behavior from snout shape and microwear analyses
    John A Whitlock
    Museum of Paleontology, University of Michigan, Ann Arbor, Michigan, United States of America
    PLoS ONE 6:e18304. 2011
  5. pmc Some sauropods raised their necks--evidence for high browsing in Euhelopus zdanskyi
    Andreas Christian
    Universität Flensburg, Institut für Biologie und ihre Didaktik, Germany
    Biol Lett 6:823-5. 2010
  6. ncbi Testing the effect of the rock record on diversity: a multidisciplinary approach to elucidating the generic richness of sauropodomorph dinosaurs through time
    Philip D Mannion
    Department of Earth Sciences, University College London, UK
    Biol Rev Camb Philos Soc 86:157-81. 2011
  7. ncbi An exceptionally preserved Lower Cretaceous ecosystem
    Zhonghe Zhou
    Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, PO Box 643, Beijing 100044, China
    Nature 421:807-14. 2003
  8. ncbi A primitive therizinosauroid dinosaur from the Early Cretaceous of Utah
    James I Kirkland
    Utah Geological Survey, PO Box 146100, Salt Lake City, Utah 84114 6100, USA
    Nature 435:84-7. 2005
  9. ncbi An Archaeopteryx-like theropod from China and the origin of Avialae
    Xing Xu
    College of Life Science, Linyi University, Shuangling Road, Linyi City, Shandong 276005, China
    Nature 475:465-70. 2011
  10. pmc Extreme cranial ontogeny in the upper cretaceous dinosaur pachycephalosaurus
    John R Horner
    Museum of the Rockies, Montana State University, Bozeman, Montana, United States of America
    PLoS ONE 4:e7626. 2009

Research Grants

Detail Information

Publications267 found, 100 shown here

  1. ncbi Bone histology indicates insular dwarfism in a new Late Jurassic sauropod dinosaur
    P Martin Sander
    Institute of Paleontology, University of Bonn, Nussallee 8, D 53115 Bonn, Germany
    Nature 441:739-41. 2006
    Sauropod dinosaurs were the largest animals ever to inhabit the land, with truly gigantic forms in at least three lineages...
  2. pmc Biology of the sauropod dinosaurs: the evolution of gigantism
    P Martin Sander
    Steinmann Institute, University of Bonn, Germany
    Biol Rev Camb Philos Soc 86:117-55. 2011
    The herbivorous sauropod dinosaurs of the Jurassic and Cretaceous periods were the largest terrestrial animals ever, surpassing the largest herbivorous mammals by an order of magnitude in body mass...
  3. ncbi Complex dental structure and wear biomechanics in hadrosaurid dinosaurs
    Gregory M Erickson
    Department of Biological Science, Florida State University, Tallahassee, FL 32306 4295, USA
    Science 338:98-101. 2012
    ..Three-dimensional wear models incorporating fossilized wear properties reveal how these tissues interacted for grinding and ecological specialization...
  4. pmc Inferences of diplodocoid (Sauropoda: Dinosauria) feeding behavior from snout shape and microwear analyses
    John A Whitlock
    Museum of Paleontology, University of Michigan, Ann Arbor, Michigan, United States of America
    PLoS ONE 6:e18304. 2011
    As gigantic herbivores, sauropod dinosaurs were among the most important members of Mesozoic communities. Understanding their ecology is fundamental to developing a complete picture of Jurassic and Cretaceous food webs...
  5. pmc Some sauropods raised their necks--evidence for high browsing in Euhelopus zdanskyi
    Andreas Christian
    Universität Flensburg, Institut für Biologie und ihre Didaktik, Germany
    Biol Lett 6:823-5. 2010
    ..long neck that is apparently suitable for feeding at great heights is a characteristic feature of most sauropod dinosaurs. Yet, it remains controversial whether any sauropods actually raised their necks high...
  6. ncbi Testing the effect of the rock record on diversity: a multidisciplinary approach to elucidating the generic richness of sauropodomorph dinosaurs through time
    Philip D Mannion
    Department of Earth Sciences, University College London, UK
    Biol Rev Camb Philos Soc 86:157-81. 2011
    ..estimates, residuals and sample-based rarefaction (including the first attempt to capture 'cryptic' diversity in dinosaurs) were implemented to investigate further the effects of sampling...
  7. ncbi An exceptionally preserved Lower Cretaceous ecosystem
    Zhonghe Zhou
    Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, PO Box 643, Beijing 100044, China
    Nature 421:807-14. 2003
    ..These discoveries include feathered theropod dinosaurs and early birds, which provide additional, indisputable support for the dinosaurian ancestry of birds, and much ..
  8. ncbi A primitive therizinosauroid dinosaur from the Early Cretaceous of Utah
    James I Kirkland
    Utah Geological Survey, PO Box 146100, Salt Lake City, Utah 84114 6100, USA
    Nature 435:84-7. 2005
    Therizinosauroids are an enigmatic group of dinosaurs known mostly from the Cretaceous period of Asia, whose derived members are characterized by elongate necks, laterally expanded pelves, small, leaf-shaped teeth, edentulous rostra and ..
  9. ncbi An Archaeopteryx-like theropod from China and the origin of Avialae
    Xing Xu
    College of Life Science, Linyi University, Shuangling Road, Linyi City, Shandong 276005, China
    Nature 475:465-70. 2011
    ..If this new phylogenetic hypothesis can be confirmed by further investigation, current assumptions regarding the avialan ancestral condition will need to be re-evaluated...
  10. pmc Extreme cranial ontogeny in the upper cretaceous dinosaur pachycephalosaurus
    John R Horner
    Museum of the Rockies, Montana State University, Bozeman, Montana, United States of America
    PLoS ONE 4:e7626. 2009
    ..neoteny and late stage allometric growth increase morphological disparity between growth stages in at least some dinosaurs. Coupled with relatively low dinosaur density in the Upper Cretaceous of North America, ontogenetic ..
  11. ncbi A basal dromaeosaurid and size evolution preceding avian flight
    Alan H Turner
    Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024 5192, USA
    Science 317:1378-81. 2007
    Fossil evidence for changes in dinosaurs near the lineage leading to birds and the origin of flight has been sparse. A dinosaur from Mongolia represents the basal divergence within Dromaeosauridae...
  12. ncbi Adaptive radiation of multituberculate mammals before the extinction of dinosaurs
    Gregory P Wilson
    Department of Biology, University of Washington, Seattle, Washington 98195 1800, USA
    Nature 483:457-60. 2012
    ..to roles as generalized, small-bodied, nocturnal insectivores, presumably under selection pressures from dinosaurs. Release from these pressures, by extinction of non-avian dinosaurs at the Cretaceous-Paleogene boundary, ..
  13. pmc Minimum convex hull mass estimations of complete mounted skeletons
    W I Sellers
    Faculty of Life Sciences, University of Manchester, Manchester, UK
    Biol Lett 8:842-5. 2012
    ..body mass where a mounted skeletal reconstruction is available and demonstrate its usage to predict the body mass of one of the largest, relatively complete sauropod dinosaurs: Giraffatitan brancai (previously Brachiosaurus) as 23200 kg.
  14. ncbi Seasonal bone growth and physiology in endotherms shed light on dinosaur physiology
    Meike Kohler
    ICREA at the Institut Català de Paleontologia Miquel Crusafont, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
    Nature 487:358-61. 2012
    ..The ruminant annual cycle provides an extant model on which to base inferences regarding the thermophysiology of dinosaurs and other extinct taxa.
  15. doi Paleontology. Sauropod gigantism
    P Martin Sander
    Division of Paleontology, Steinmann Institute, University of Bonn, D 53115 Bonn, Germany
    Science 322:200-1. 2008
  16. ncbi Ascent of dinosaurs linked to an iridium anomaly at the Triassic-Jurassic boundary
    P E Olsen
    Lamont Doherty Earth Observatory of Columbia University, Palisades, NY 10964, USA
    Science 296:1305-7. 2002
    ..footprints and skeletal material from more than 70 localities in eastern North America shows that large theropod dinosaurs appeared less than 10,000 years after the Triassic-Jurassic boundary and less than 30,000 years after the last ..
  17. pmc Structural extremes in a cretaceous dinosaur
    Paul C Sereno
    Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois, United States of America
    PLoS ONE 2:e1230. 2007
    ....
  18. pmc Cranial growth and variation in edmontosaurs (Dinosauria: Hadrosauridae): implications for latest Cretaceous megaherbivore diversity in North America
    Nicolás E Campione
    Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada
    PLoS ONE 6:e25186. 2011
    ..diversity and disparity from the early to late Maastrichtian, a pattern likely also present in ceratopsid dinosaurs. A decline in the disparity of dominant megaherbivores in the latest Maastrichtian interval supports the ..
  19. pmc The lambeosaurine dinosaur Magnapaulia laticaudus from the late cretaceous of Baja California, Northwestern Mexico
    Albert Prieto-Márquez
    Bayerische Staatssammlung für Paläontologie und Geologie, Munich, Germany
    PLoS ONE 7:e38207. 2012
    ....
  20. pmc The energetics of low browsing in sauropods
    Graeme D Ruxton
    College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK
    Biol Lett 7:779-81. 2011
    It has recently been argued that the probable high cost of travel for sauropod dinosaurs would have made exploiting high forage energetically attractive, if this reduced the need to travel between food patches...
  21. ncbi Cranial biomechanics of Diplodocus (Dinosauria, Sauropoda): testing hypotheses of feeding behaviour in an extinct megaherbivore
    Mark T Young
    School of Earth Sciences, University of Bristol, Bristol, BS8 1RJ, UK
    Naturwissenschaften 99:637-43. 2012
    Sauropod dinosaurs were the largest terrestrial herbivores and pushed at the limits of vertebrate biomechanics and physiology...
  22. pmc A complete skull of an early cretaceous sauropod and the evolution of advanced titanosaurians
    Hussam Zaher
    Museu de Zoologia da Universidade de São Paulo, Sao Paulo, Brazil
    PLoS ONE 6:e16663. 2011
    ..The new taxon also preserves the most complete skull among titanosaurians, further revealing that their low and elongated diplodocid-like skull morphology appeared much earlier than previously thought...
  23. pmc Histology shows that elongated neck ribs in sauropod dinosaurs are ossified tendons
    Nicole Klein
    Steinmann Institute, Division of Palaeontology, University of Bonn, Bonn 53115, Germany
    Biol Lett 8:1032-5. 2012
    ..This is contrary to the VBH, which requires compressive forces along the neck. Tension forces would allow important neck muscles to shift back to the trunk region, making the neck much lighter...
  24. pmc Body size distribution of the dinosaurs
    Eoin J O'Gorman
    School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom
    PLoS ONE 7:e51925. 2012
    ..It is widely known that non-avian dinosaurs were the largest creatures to roam the Earth...
  25. ncbi Developmental plasticity in the life history of a prosauropod dinosaur
    P Martin Sander
    Institut für Paläontologie, Universitat Bonn, Nussallee 8, D 53115 Bonn, Germany
    Science 310:1800-2. 2005
    ..Although Plateosaurus grew at the fast rates typical for dinosaurs, as indicated by fibrolamellar bone, qualitative (growth stop) and quantitative (growth-mark counts) features of ..
  26. ncbi Basal tyrannosauroids from China and evidence for protofeathers in tyrannosauroids
    Xing Xu
    Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China
    Nature 431:680-4. 2004
    ..One of the specimens also preserves a filamentous integumentary covering similar to that of other coelurosaurian theropods from western Liaoning. This provides the first direct fossil evidence that tyrannosauroids had protofeathers...
  27. ncbi Embryos of an early Jurassic prosauropod dinosaur and their evolutionary significance
    Robert R Reisz
    Department of Biology, University of Toronto at Mississauga, Mississauga, ON L5L 1C6, Canada
    Science 309:761-4. 2005
    ..Embryonic body proportions and an absence of well-developed teeth suggest that hatchlings of this dinosaur may have required parental care...
  28. ncbi Tyrannosaur paleobiology: new research on ancient exemplar organisms
    Stephen L Brusatte
    Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024, USA
    Science 329:1481-5. 2010
    ..They are also the most intensively studied extinct dinosaurs, and thanks to large sample sizes and an influx of new discoveries, have become ancient exemplar organisms used ..
  29. ncbi Gondwanan break-up: legacies of a lost world?
    Paul Upchurch
    Department of Earth Sciences, University College London, London, UK
    Trends Ecol Evol 23:229-36. 2008
    ..This perspective suggests that it is more difficult to detect vicariance than trans-oceanic dispersal and that specialized methods must be applied if an unbiased understanding of southern hemisphere biogeography is to be achieved...
  30. ncbi Superiority, competition, and opportunism in the evolutionary radiation of dinosaurs
    Stephen L Brusatte
    Department of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK
    Science 321:1485-8. 2008
    The rise and diversification of the dinosaurs in the Late Triassic, from 230 to 200 million years ago, is a classic example of an evolutionary radiation with supposed competitive replacement...
  31. pmc New horned dinosaurs from Utah provide evidence for intracontinental dinosaur endemism
    Scott D Sampson
    Utah Museum of Natural History and Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, USA
    PLoS ONE 5:e12292. 2010
    ..western landmass, known as Laramidia, although diminutive in size, witnessed a major evolutionary radiation of dinosaurs. Other than hadrosaurs (duck-billed dinosaurs), the most common dinosaurs were ceratopsids (large-bodied horned ..
  32. ncbi Flexibility along the neck of the ostrich (Struthio camelus) and consequences for the reconstruction of dinosaurs with extreme neck length
    Gordon Dzemski
    Institut fur Biologie, Department IV, Universität Flensburg, 24943 Flensburg, Germany
    J Morphol 268:701-14. 2007
    ..Therefore, it appears reasonable to reconstruct the neck utilization and the feeding strategies of dinosaurs with long necks by deriving the flexibility of the neck from preserved vertebrae...
  33. ncbi A basal alvarezsauroid theropod from the early Late Jurassic of Xinjiang, China
    Jonah N Choiniere
    Department of Biological Sciences, The George Washington University, Washington, DC 20052, USA
    Science 327:571-4. 2010
    The fossil record of Jurassic theropod dinosaurs closely related to birds remains poor...
  34. pmc Euoplocephalus tutus and the diversity of ankylosaurid dinosaurs in the Late Cretaceous of Alberta, Canada, and Montana, USA
    Victoria M Arbour
    Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
    PLoS ONE 8:e62421. 2013
    ..Euoplocephalus is unusual compared to other dinosaurs from the Late Cretaceous of Alberta because it is recognized from the Dinosaur Park, Horseshoe Canyon, and Two ..
  35. ncbi A gigantic bird-like dinosaur from the Late Cretaceous of China
    Xing Xu
    Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China
    Nature 447:844-7. 2007
    ..are significantly different from those of other coelurosaurs, thus increasing the morphological diversity among dinosaurs. Most significantly, the gigantic Gigantoraptor shows many bird-like features absent in its smaller ..
  36. pmc Resources and energetics determined dinosaur maximal size
    Brian K McNab
    Department of Zoology, University of Florida, Gainesville, FL 32611, USA
    Proc Natl Acad Sci U S A 106:12184-8. 2009
    Some dinosaurs reached masses that were approximately 8 times those of the largest, ecologically equivalent terrestrial mammals...
  37. pmc Analyzing taphonomic deformation of ankylosaur skulls using retrodeformation and finite element analysis
    Victoria M Arbour
    Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
    PLoS ONE 7:e39323. 2012
    ....
  38. ncbi Reconstruction of Microraptor and the evolution of iridescent plumage
    Quanguo Li
    Beijing Museum of Natural History, 126 Tianqiao South Street, Beijing 100050, People s Republic of China
    Science 335:1215-9. 2012
    ..The capacity for simple iridescent arrays is thus minimally inferred in paravian dinosaurs. This finding and estimation of Microraptor feathering consistent with an ornamental function for the tail ..
  39. pmc First complete sauropod dinosaur skull from the Cretaceous of the Americas and the evolution of sauropod dentition
    Daniel Chure
    Dinosaur National Monument, P O Box 128, Jensen, UT 84035, USA
    Naturwissenschaften 97:379-91. 2010
    ..The spartan design of sauropod skulls may be related to their remarkably small size--sauropod skulls account for only 1/200th of total body volume compared to 1/30th body volume in ornithopod dinosaurs.
  40. ncbi Evidence of intestinal parasites of dinosaurs
    G Poinar
    Department of Zoology, Oregon State University, Corvallis, OR 97331, USA
    Parasitology 133:245-9. 2006
    ..Early Cretaceous Bernissart Iguanodon shaft in Belgium demonstrate that representatives of 3 phyla parasitized dinosaurs by that period. These fossil parasite stages are described and their possible effect on dinosaurs discussed...
  41. ncbi Ecologically distinct dinosaurian sister group shows early diversification of Ornithodira
    Sterling J Nesbitt
    Lamont Doherty Earth Observatory, Columbia University, Palisades, New York 10964, USA
    Nature 464:95-8. 2010
    ..reported from the Triassic period of both Gondwana and Laurasia, but their relationships to each other and to dinosaurs remain a subject of debate...
  42. pmc Reproductive biology and its impact on body size: comparative analysis of mammalian, avian and dinosaurian reproduction
    Jan Werner
    Department of Ecology, Zoological Institute, University of Mainz, Mainz, Germany
    PLoS ONE 6:e28442. 2011
    Janis and Carrano (1992) suggested that large dinosaurs might have faced a lower risk of extinction under ecological changes than similar-sized mammals because large dinosaurs had a higher potential reproductive output than similar-sized ..
  43. pmc A computational analysis of limb and body dimensions in Tyrannosaurus rex with implications for locomotion, ontogeny, and growth
    John R Hutchinson
    Structure and Motion Laboratory, Department of Veterinary Basic Sciences, The Royal Veterinary College, Hatfield, Hertfordshire, United Kingdom
    PLoS ONE 6:e26037. 2011
    ..Overall, the limb "antigravity" muscles may have been as large as or even larger than those of ratite birds, which themselves have the most muscular limbs of any living animal...
  44. pmc The sail-backed reptile Ctenosauriscus from the latest Early Triassic of Germany and the timing and biogeography of the early archosaur radiation
    Richard J Butler
    Bayerische Staatssammlung für Paläontologie und Geologie, Munchen, Germany
    PLoS ONE 6:e25693. 2011
    Archosaurs (birds, crocodilians and their extinct relatives including dinosaurs) dominated Mesozoic continental ecosystems from the Late Triassic onwards, and still form a major component of modern ecosystems (>10,000 species)...
  45. pmc Limb-bone scaling indicates diverse stance and gait in quadrupedal ornithischian dinosaurs
    Susannah C R Maidment
    Department of Palaeontology, Natural History Museum, London, United Kingdom
    PLoS ONE 7:e36904. 2012
    The most primitive ornithischian dinosaurs were small bipeds, but quadrupedality evolved three times independently in the clade...
  46. ncbi Large Mesozoic mammals fed on young dinosaurs
    Yaoming Hu
    Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, PO Box 643, Beijing 100044, China
    Nature 433:149-52. 2005
    ..as shrew- or rat-sized animals that were mainly insectivorous, probably nocturnal and lived in the shadow of dinosaurs. The largest known Mesozoic mammal represented by substantially complete remains is Repenomamus robustus, a ..
  47. pmc New basal iguanodonts from the Cedar Mountain formation of Utah and the evolution of thumb-spiked dinosaurs
    Andrew T McDonald
    Department of Earth and Environmental Science, University of Pennsylvania, Philadelphia, Pennsylvania, USA
    PLoS ONE 5:e14075. 2010
    Basal iguanodontian dinosaurs were extremely successful animals, found in great abundance and diversity almost worldwide during the Early Cretaceous...
  48. pmc Small body size and extreme cortical bone remodeling indicate phyletic dwarfism in Magyarosaurus dacus (Sauropoda: Titanosauria)
    Koen Stein
    Steinmann Institute Division of Paleontology, University of Bonn, 53115 Bonn, Germany
    Proc Natl Acad Sci U S A 107:9258-63. 2010
    ..The diminutive M. dacus was a classical example of island dwarfism (phyletic nanism) in dinosaurs, but a recent study suggested that the small Romanian titanosaurs actually represent juveniles of a larger-..
  49. ncbi An unusual long-tailed pterosaur with elongated neck from western Liaoning of China
    Xiaolin Wang
    Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China, 100044
    An Acad Bras Cienc 81:793-812. 2009
    ..This analysis differs from previous studies and indicates that more work is needed before a stable picture of non-pterodactyloid pterosaur relationships is achieved...
  50. ncbi The evolution of cranial form and function in theropod dinosaurs: insights from geometric morphometrics
    S L Brusatte
    Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024, USA
    J Evol Biol 25:365-77. 2012
    Theropod dinosaurs, an iconic clade of fossil species including Tyrannosaurus and Velociraptor, developed a great diversity of body size, skull form and feeding habits over their 160+ million year evolutionary history...
  51. ncbi The tail of Tyrannosaurus: reassessing the size and locomotive importance of the M. caudofemoralis in non-avian theropods
    W Scott Persons
    Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
    Anat Rec (Hoboken) 294:119-31. 2011
    ....
  52. ncbi Bonitasaura salgadoi gen. et sp. nov.: a beaked sauropod from the Late Cretaceous of Patagonia
    Sebastian Apesteguia
    Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Av Angel Gallardo 470, 1405 Buenos Aires, Argentina
    Naturwissenschaften 91:493-7. 2004
    Ornithischian and theropod dinosaurs were morphologically diverse during the Cretaceous. In contrast, sauropods were relatively more conservative...
  53. pmc Anatomy and taxonomic status of the chasmosaurine ceratopsid Nedoceratops hatcheri from the upper Cretaceous Lance Formation of Wyoming, U.S.A
    Andrew A Farke
    Raymond M Alf Museum of Paleontology, Claremont, California, United States of America
    PLoS ONE 6:e16196. 2011
    ..hatcheri represents an intermediate ontogenetic stage between "young adult" and "old adult" forms of a single taxon previously split into Triceratops and Torosaurus...
  54. ncbi A basal tyrannosauroid dinosaur from the Late Jurassic of China
    Xing Xu
    Institute of Vertebrate Paleontology and Paleoanthropology, Beijing 100044, China
    Nature 439:715-8. 2006
    ....
  55. ncbi Avian paternal care had dinosaur origin
    David J Varricchio
    Department of Earth Sciences, Montana State University, Bozeman, MT 59717, USA
    Science 322:1826-8. 2008
    The repeated discovery of adult dinosaurs in close association with egg clutches leads to speculation over the type and extent of care exhibited by these extinct animals for their eggs and young...
  56. ncbi Plumage color patterns of an extinct dinosaur
    Quanguo Li
    Beijing Museum of Natural History, 126 Tianqiao South Street, Beijing 100050, People s Republic of China
    Science 327:1369-72. 2010
    For as long as dinosaurs have been known to exist, there has been speculation about their appearance...
  57. ncbi Pterosaur diversity and faunal turnover in Cretaceous terrestrial ecosystems in China
    Xiaolin Wang
    Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, PO Box 643, Beijing 100044, China
    Nature 437:875-9. 2005
    ....
  58. ncbi Air-filled postcranial bones in theropod dinosaurs: physiological implications and the 'reptile'-bird transition
    Roger B J Benson
    Department of Earth Sciences, University of Cambridge, Cambridge, UK
    Biol Rev Camb Philos Soc 87:168-93. 2012
    ..These include the theropod dinosaurs (of which birds are extant representatives), the pterosaurs, and sauropodomorph dinosaurs...
  59. pmc Sexual maturity in growing dinosaurs does not fit reptilian growth models
    Andrew H Lee
    Department of Integrative Biology and Museum of Paleontology, University of California, Berkeley, CA 94720 3140, USA
    Proc Natl Acad Sci U S A 105:582-7. 2008
    Recent histological studies suggest relatively rapid growth in dinosaurs. However, the timing of reproductive maturity (RM) in dinosaurs is poorly known because unambiguous indicators of RM are rare...
  60. ncbi Tyrannosaur life tables: an example of nonavian dinosaur population biology
    Gregory M Erickson
    Department of Biological Science, Florida State University, Tallahassee, FL 32306, USA
    Science 313:213-7. 2006
    ..Factors such as predation and entrance into the breeding population may have influenced tyrannosaur survivorship. This survivorship pattern can explain the rarity of juvenile specimens in museum collections...
  61. ncbi A basal dinosaur from the dawn of the dinosaur era in southwestern Pangaea
    Ricardo N Martinez
    Instituto y Museo de Ciencias Naturales, Universidad Nacional de San Juan, San Juan 5400, Argentina
    Science 331:206-10. 2011
    Upper Triassic rocks in northwestern Argentina preserve the most complete record of dinosaurs before their rise to dominance in the Early Jurassic...
  62. pmc Herbivorous ecomorphology and specialization patterns in theropod dinosaur evolution
    Lindsay E Zanno
    Department of Geology, The Field Museum, Chicago, IL 60605, USA
    Proc Natl Acad Sci U S A 108:232-7. 2011
    ..we present a refined approach for assessing trophic habits in fossil taxa and apply the method to coelurosaurian dinosaurs--a clade for which diet is particularly controversial...
  63. pmc Estimating mass properties of dinosaurs using laser imaging and 3D computer modelling
    Karl T Bates
    Faculty of Life Sciences, University of Manchester, Jackson s Mill, Manchester, United Kingdom
    PLoS ONE 4:e4532. 2009
    ....
  64. pmc A nomenclature for vertebral fossae in sauropods and other saurischian dinosaurs
    Jeffrey A Wilson
    Museum of Paleontology and Department of Geological Sciences, University of Michigan, Ann Arbor, Michigan, United States of America
    PLoS ONE 6:e17114. 2011
    The axial skeleton of extinct saurischian dinosaurs (i.e., theropods, sauropodomorphs), like living birds, was pneumatized by epithelial outpocketings of the respiratory system...
  65. ncbi The earliest dromaeosaurid theropod from South America
    Peter J Makovicky
    Department of Geology, The Field Museum, 1400 South Lake Shore Drive, Chicago, Illinois 60605, USA
    Nature 437:1007-11. 2005
    The evolutionary history of Maniraptora, the clade of carnivorous dinosaurs that includes birds and the sickle-clawed Dromaeosauridae, has hitherto been largely restricted to Late Jurassic and Cretaceous deposits on northern continents...
  66. ncbi The skull of the giant predatory pliosaur Rhomaleosaurus cramptoni: implications for plesiosaur phylogenetics
    Adam S Smith
    School of Biology and Environmental Science, University College Dublin, Belfield, Dublin 4, Republic of Ireland
    Naturwissenschaften 95:975-80. 2008
    ..Rhomaleosaurids comprised a short-lived and early diverging lineage within pliosaurs, whose open-water top-predator niche was filled by other pliosaur taxa by the mid-late Jurassic...
  67. pmc Allometry of visceral organs in living amniotes and its implications for sauropod dinosaurs
    Ragna Franz
    University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland
    Proc Biol Sci 276:1731-6. 2009
    ..equations are often used to extrapolate traits in animals for which only body mass estimates are known, such as dinosaurs. One important decision can be whether these equations should be based on mammal, bird or reptile data...
  68. pmc The internal cranial morphology of an armoured dinosaur Euoplocephalus corroborated by X-ray computed tomographic reconstruction
    Tetsuto Miyashita
    Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada
    J Anat 219:661-75. 2011
    ..Cranial endocasts show negligible variation within Euoplocephalus, which lends some confidence to interspecific comparisons of endocranial morphology...
  69. pmc Feeding height stratification among the herbivorous dinosaurs from the Dinosaur Park Formation (upper Campanian) of Alberta, Canada
    Jordan C Mallon
    Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
    BMC Ecol 13:14. 2013
    ..Specifically, the question of feeding height stratification is examined in light of the role it plays in facilitating modern ungulate coexistence...
  70. pmc Ontogenetic niche shifts in dinosaurs influenced size, diversity and extinction in terrestrial vertebrates
    Daryl Codron
    Clinic for Zoo Animals, Exotic Pets and Wildlife, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland
    Biol Lett 8:620-3. 2012
    Given the physiological limits to egg size, large-bodied non-avian dinosaurs experienced some of the most extreme shifts in size during postnatal ontogeny found in terrestrial vertebrate systems...
  71. pmc No gastric mill in sauropod dinosaurs: new evidence from analysis of gastrolith mass and function in ostriches
    Oliver Wings
    Institut für Paläontologie, Universitat Bonn, Nussallee 8, 53115 Bonn, Germany
    Proc Biol Sci 274:635-40. 2007
    Polished pebbles occasionally found within skeletons of giant herbivorous sauropod dinosaurs are very likely to be gastroliths (stomach stones)...
  72. pmc A new transitional sauropodomorph dinosaur from the Early Jurassic of South Africa and the evolution of sauropod feeding and quadrupedalism
    Adam M Yates
    Bernard Price Institute for Palaeontological Research, University of the Witwatersrand, Johannesburg 2050, South Africa
    Proc Biol Sci 277:787-94. 2010
    ....
  73. ncbi Tail-assisted pitch control in lizards, robots and dinosaurs
    Thomas Libby
    Center for Interdisciplinary Bio Inspiration in Education and Research, University of California, Berkeley, California 94720 3140, USA
    Nature 481:181-4. 2012
    In 1969, a palaeontologist proposed that theropod dinosaurs used their tails as dynamic stabilizers during rapid or irregular movements, contributing to their depiction as active and agile predators...
  74. ncbi Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining the outcome of phylogenetic analyses
    Hilary F Ketchum
    Department of Palaeontology, Natural History Museum, London, UK
    Biol Rev Camb Philos Soc 85:361-92. 2010
    ..These were problematic as they were nested within the superfamily Plesiosauroidea. The incongruence length difference test indicates no significant difference in levels of homoplasy between cranial and postcranial characters...
  75. pmc Evolution of high tooth replacement rates in sauropod dinosaurs
    Michael D D'Emic
    Anatomical Sciences Department, Stony Brook University, Health Sciences Center, School of Medicine, Stony Brook, New York, USA
    PLoS ONE 8:e69235. 2013
    ..Calculating this rate in several taxa allows for the study of the evolution of tooth replacement rate. Sauropod dinosaurs, the largest terrestrial animals that ever evolved, exhibited a diversity of tooth sizes and shapes, but little ..
  76. pmc Mountain building triggered late cretaceous North American megaherbivore dinosaur radiation
    Terry A Gates
    Ohio University College of Osteopathic Medicine, Athens, Ohio, United States of America
    PLoS ONE 7:e42135. 2012
    ..Phylogenetic divergence estimates of fossil clades offer a new lower boundary on Laramide surficial deformation that precedes estimates based on sedimentological data alone...
  77. pmc Growth patterns in brooding dinosaurs reveals the timing of sexual maturity in non-avian dinosaurs and genesis of the avian condition
    Gregory M Erickson
    Department of Biological Science, Florida State University, Tallahassee, FL 32306 1100, USA
    Biol Lett 3:558-61. 2007
    The timing of sexual maturation in non-avian dinosaurs is not known. In extant squamates and crocodilians it occurs in conjunction with the initial slowing of growth rates as adult size is approached...
  78. ncbi A pair of shelled eggs inside a female dinosaur
    Tamaki Sato
    Canadian Museum of Nature CMN, Post Office Box 3443, STN D, Ottawa, Ontario K1P 6P4, Canada
    Science 308:375. 2005
    ..in China retains a pair of shelled eggs in the pelvis, providing direct evidence that oviraptorosaurian dinosaurs laid paired elongatoolithid eggs...
  79. ncbi Chicken-sized oviraptorid dinosaurs from central China and their ontogenetic implications
    Junchang Lü
    Institute of Geology, Chinese Academy of Geological Sciences, Beijing, 100037, China
    Naturwissenschaften 100:165-75. 2013
    Oviraptorids are a group of specialized non-avian theropod dinosaurs that were generally one to 8 m in body length. New specimens of baby oviraptorids from the Late Cretaceous of Henan Province are some of the smallest individuals known...
  80. ncbi Dinosaur body temperatures determined from isotopic (¹³C-¹⁸O) ordering in fossil biominerals
    Robert A Eagle
    Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA
    Science 333:443-5. 2011
    The nature of the physiology and thermal regulation of the nonavian dinosaurs is the subject of debate. Previously, arguments have been made for both endothermic and ectothermic metabolisms on the basis of differing methodologies...
  81. ncbi Sexual selection in prehistoric animals: detection and implications
    Robert J Knell
    School of Biological and Chemical Sciences, Queen Mary University of London, London, UK
    Trends Ecol Evol 28:38-47. 2013
    ..In other cases, a careful study of features such as sexual dimorphism, ontogeny, and allometry, coupled with testing of alternative hypotheses, will be necessary to distinguish between possible explanations for exaggerated features...
  82. pmc Bone histology in Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia)--variation, growth, and implications
    Tom R Hübner
    Niedersächsisches Landesmuseum Hannover, Hannover, Germany
    PLoS ONE 7:e29958. 2012
    ..Dysalotosaurus provides an excellent case study for examining variation in bone microstructure and life history and helps to unravel the still mysterious growth pattern of small ornithopods...
  83. ncbi Unidirectional airflow in the lungs of alligators
    C G Farmer
    Department of Biology, University of Utah, 257 South 1400 East, Salt Lake City, UT 84112, USA
    Science 327:338-40. 2010
    ..suggests that this pattern dates back to the basal archosaurs of the Triassic and may have been present in their nondinosaur descendants (phytosaurs, aetosaurs, rauisuchians, crocodylomorphs, and pterosaurs) as well as in dinosaurs.
  84. ncbi Nocturnality in dinosaurs inferred from scleral ring and orbit morphology
    Lars Schmitz
    Department of Evolution and Ecology, University of California, Davis, CA 95616, USA
    Science 332:705-8. 2011
    ..On the basis of an analysis of scleral ring and orbit morphology in 33 archosaurs, including dinosaurs and pterosaurs, we show that the eyes of Mesozoic archosaurs were adapted to all major types of diel activity (..
  85. pmc The predatory ecology of Deinonychus and the origin of flapping in birds
    Denver W Fowler
    Museum of the Rockies and Department of Earth Sciences, Montana State University, Bozeman, Montana, United States of America
    PLoS ONE 6:e28964. 2011
    Most non-avian theropod dinosaurs are characterized by fearsome serrated teeth and sharp recurved claws...
  86. pmc On the size and flight diversity of giant pterosaurs, the use of birds as pterosaur analogues and comments on pterosaur flightlessness
    Mark P Witton
    School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, United Kingdom
    PLoS ONE 5:e13982. 2010
    ....
  87. ncbi A new clade of archaic large-bodied predatory dinosaurs (Theropoda: Allosauroidea) that survived to the latest Mesozoic
    Roger B J Benson
    Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, UK
    Naturwissenschaften 97:71-8. 2010
    Non-avian theropod dinosaurs attained large body sizes, monopolising terrestrial apex predator niches in the Jurassic-Cretaceous...
  88. pmc New dinosaurs link southern landmasses in the Mid-Cretaceous
    Paul C Sereno
    Department of Organismal Biology and Anatomy, University of Chicago, 1027 East 57th Street, Chicago, IL 60637, USA
    Proc Biol Sci 271:1325-30. 2004
    ..from three stratigraphic levels in the Cretaceous of Niger that provide definitive evidence that abelisauroid dinosaurs and their immediate antecedents were also present on Africa...
  89. ncbi Sizing the Jurassic theropod dinosaur Allosaurus: assessing growth strategy and evolution of ontogenetic scaling of limbs
    Paul J Bybee
    Department of Earth Science, Utah Valley State College, Orem, 84058 5999, USA
    J Morphol 267:347-59. 2006
    Allosaurus is one of the most common Mesozoic theropod dinosaurs. We present a histological analysis to assess its growth strategy and ontogenetic limb bone scaling...
  90. ncbi Gender-specific reproductive tissue in ratites and Tyrannosaurus rex
    Mary H Schweitzer
    Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, USA
    Science 308:1456-60. 2005
    Unambiguous indicators of gender in dinosaurs are usually lost during fossilization, along with other aspects of soft tissue anatomy...
  91. pmc A new troodontid theropod, Talos sampsoni gen. et sp. nov., from the Upper Cretaceous Western Interior Basin of North America
    Lindsay E Zanno
    Field Museum of Natural History, Chicago, Illinois, United States of America
    PLoS ONE 6:e24487. 2011
    Troodontids are a predominantly small-bodied group of feathered theropod dinosaurs notable for their close evolutionary relationship with Avialae...
  92. ncbi A pre-Archaeopteryx troodontid theropod from China with long feathers on the metatarsus
    Dongyu Hu
    Paleontological Institute, Shenyang Normal University, 253 North Huanghe Street, Shenyang 110034, China
    Nature 461:640-3. 2009
    ....
  93. pmc Growth dynamics of Australia's polar dinosaurs
    Holly N Woodward
    Museum of the Rockies, Montana State University, Bozeman, Montana, United States of America
    PLoS ONE 6:e23339. 2011
    Analysis of bone microstructure in ornithopod and theropod dinosaurs from Victoria, Australia, documents ontogenetic changes, providing insight into the dinosaurs' successful habitation of Cretaceous Antarctic environments...
  94. ncbi A complete skeleton of a Late Triassic saurischian and the early evolution of dinosaurs
    Sterling J Nesbitt
    Division of Paleontology, American Museum of Natural History, New York, NY 10024, USA
    Science 326:1530-3. 2009
    Characterizing the evolutionary history of early dinosaurs is central to understanding their rise and diversification in the Late Triassic. However, fossils from basal lineages are rare...
  95. pmc A new crested pterosaur from the Early Cretaceous of Spain: the first European tapejarid (Pterodactyloidea: Azhdarchoidea)
    Romain Vullo
    Laboratoire Géosciences Rennes, CNRS UMR 6118, Universite de Rennes 1, Rennes, France
    PLoS ONE 7:e38900. 2012
    ..So far, the presence of these intriguing flying reptiles has been unambiguously documented from Early Cretaceous sites in China and Brazil, where pterosaur fossils are less rare and fragmentary than in similarly-aged European strata...
  96. pmc A basal sauropodomorph (Dinosauria: Saurischia) from the Ischigualasto Formation (Triassic, Carnian) and the early evolution of Sauropodomorpha
    Ricardo N Martinez
    Museo de Ciencias Naturales, San Juan, Argentina
    PLoS ONE 4:e4397. 2009
    The earliest dinosaurs are from the early Late Triassic (Carnian) of South America...
  97. pmc Life history of Rhamphorhynchus inferred from bone histology and the diversity of pterosaurian growth strategies
    Edina Prondvai
    Hungarian Academy of Sciences Eötvös Loránd University Lendület Dinosaur Research Group, Eotvos Lorand University, Budapest, Hungary
    PLoS ONE 7:e31392. 2012
    ..These controversial conclusions can be tested by a bone histological survey of an ontogenetic series of Rhamphorhynchus...
  98. pmc Phylogeny of basal iguanodonts (Dinosauria: Ornithischia): an update
    Andrew T McDonald
    Department of Earth and Environmental Science, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
    PLoS ONE 7:e36745. 2012
    ..Nevertheless, the phylogenetic relationships of many basal iguanodonts remain ambiguous due to the high number of taxa removed from the maximum agreement subtree and poor resolution of consensus trees...
  99. ncbi New toothed flying reptile from Asia: close similarities between early Cretaceous pterosaur faunas from China and Brazil
    Xiaolin Wang
    Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China
    Naturwissenschaften 99:249-57. 2012
    ..The association of the new specimen with coprolites and the cranial morphology suggest that G. venator preyed on fish...
  100. pmc Cranial ontogeny in Stegoceras validum (Dinosauria: Pachycephalosauria): a quantitative model of pachycephalosaur dome growth and variation
    Ryan K Schott
    Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada
    PLoS ONE 6:e21092. 2011
    ..Additional lines of evidence will be needed to resolve the taxonomic validity of flat-headed pachycephalosaur taxa...
  101. ncbi The theropod furcula
    Sterling J Nesbitt
    Division of Paleontology, American Museum of Natural History, New York, New York 10024, USA
    J Morphol 270:856-79. 2009
    ..Informative phylogenetic characters pertaining to the furcula occur throughout Theropoda, though care should betake to consider taphonomic effects when describing furcular morphology...

Research Grants17

  1. PERIPHERAL MECHANISMS OF HEARING
    Mario A Ruggero; Fiscal Year: 2013
    ..Birds, including pigeons, are more distantly related to humans, having evolved from dinosaurs. The study of their ears serves as a comparative counterpoint to the studies in chinchilla and gerbil...
  2. Evolution of BMP Genes 2 and 4 in Archosaurs
    CHRIS ORGAN; Fiscal Year: 2007
    ..Aim three is to elucidate the evolution of bmp2 and bmp4 coding regions. This project will be the first large scale examination of non-avian reptile genome structure and evolution. ..
  3. Valence Coding and Regulation of Approach-Avoidance in Social and Asocial Species
    James L Goodson; Fiscal Year: 2010
    ..We additionally propose the development of VT RNA interference that will enable us to specifically knock down VT production, thus allowing the functional investigation of specific VT cell groups. ..
  4. Mining slime mold for susceptibility genes to fungi
    Arturo Casadevall; Fiscal Year: 2005
    ..discoideum system will lead to the identification of genetic pathways that are not immediately obvious from standard fungal-macrophage experiments. ..
  5. Algorithms & Software for Computational Mass Spectrometry
    Pavel Pevzner; Fiscal Year: 2008
    ..This proposed research addresses computational challenges in the analysis of mass spectromtery data. [unreadable] [unreadable] [unreadable] [unreadable]..
  6. Blood Systems Biology
    Lawrence Brass; Fiscal Year: 2008
    ..unreadable] [unreadable] [unreadable]..
  7. Proteomic studies of normal and abnormal platelet function
    Lawrence Brass; Fiscal Year: 2007
    ..This includes novel methods that permit quantitation of individual molecules so that changes in levels of expression can be measured. [unreadable] [unreadable] [unreadable]..
  8. Carcinogenesis: Effects of Diet Deficient in Methyl Donors
    Shi Huang; Fiscal Year: 2007
    ..The new understanding that will emerge from these studies will help clarify the role of nutrient metabolism in carcinogenesis. The results may have important public health implications. ..
  9. Clinical Translational Research in Transplant Nephrology
    Bryan Becker; Fiscal Year: 2006
    ..It will also work to meet the NIH's goal of increasing the number of physician-scientists conducting high-quality patient-oriented research. ..
  10. High Resolution Microarray Analysis of Cancer
    Cheng Ming Chuong; Fiscal Year: 2002
    ..g., those in tissue banks). This protocol is simple, fast, and reliable and uses minimal samples widely obtainable. The method can be applied to all cancers. ..
  11. FASEB Conf. Proteases in Hemostasis and Vascular Biology
    Lawrence Brass; Fiscal Year: 2005
    ..Tissue factor, platelets and coagulation; 8. Regulators of hemostasis; 9. Protease receptors. The keynote lecture will be on gene therapy for disorders of hemostasis delivered by Dr. Katherine High. ..
  12. CHARACTERIZATION OF A NOVEL G PROTEIN IN PLATELETS
    Lawrence Brass; Fiscal Year: 2005
    ..All four of these aims will combine biochemical and pharmacologic approaches with studies on genetically engineered mice lacking selected receptors and G proteins, allowing us to better understand platelet activation in vivo. ..
  13. CNS Disease and Autoimmunity of Glutamate Receptors
    Scott Rogers; Fiscal Year: 2005
    ..abstract_text> ..
  14. E M Transdifferentiation in Proximal Tubule Cells
    Bryan Becker; Fiscal Year: 2004
    ..abstract_text> ..
  15. Angiotensin II Receptor Blockade and Chronic Rejection
    Bryan Becker; Fiscal Year: 2003
    ....
  16. A New Approach to Fragment Assembly in DNA Sequencing
    Pavel Pevzner; Fiscal Year: 2003
    ..This reduction allows one to generate provably optimal error-free fragment assemblies. The main goal of this proposal is to scale up EULER for assembly of eukaryotic genomes. ..
  17. MOLECULAR CHARACTERIZATION OF C NEOFORMANS ANTIBODIES
    Arturo Casadevall; Fiscal Year: 2006
    ..These studies are expected to yield new insights on fundamental aspects of antibody function as well as practical information for the development of second generation antibody reagents for human therapy. ..