Extinct Monsters Selected References
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JVP 26(3) September 2006—ABSTRACTS
Neoceti Symposium, Saturday 8:45 acid-prepared osteolepiforms Medoevia and Gogonasus has offered strong support for BODY SIZE AND CRYPTIC TROPHIC SEPARATION OF GENERALIZED Jarvik’s interpretation, but Eusthenopteron itself has not been reexamined in detail. PIERCE-FEEDING CETACEANS: THE ROLE OF FEEDING DIVERSITY DUR- Uncertainty has persisted about the relationship between the large endoskeletal “fenestra ING THE RISE OF THE NEOCETI endochoanalis” and the apparently much smaller choana, and about the occlusion of upper ADAM, Peter, Univ. of California, Los Angeles, Los Angeles, CA; JETT, Kristin, Univ. of and lower jaw fangs relative to the choana. California, Davis, Davis, CA; OLSON, Joshua, Univ. of California, Los Angeles, Los A CT scan investigation of a large skull of Eusthenopteron, carried out in collaboration Angeles, CA with University of Texas and Parc de Miguasha, offers an opportunity to image and digital- Marine mammals with homodont dentition and relatively little specialization of the feeding ly “dissect” a complete three-dimensional snout region. We find that a choana is indeed apparatus are often categorized as generalist eaters of squid and fish. However, analyses of present, somewhat narrower but otherwise similar to that described by Jarvik. It does not many modern ecosystems reveal the importance of body size in determining trophic parti- receive the anterior coronoid fang, which bites mesial to the edge of the dermopalatine and tioning and diversity among predators. We established relationships between body sizes of is received by a pit in that bone. The fenestra endochoanalis is partly floored by the vomer extant cetaceans and their prey in order to infer prey size and potential trophic separation of and the dermopalatine, restricting the choana to the lateral part of the fenestra. -
Implications for Predatory Dinosaur Macroecology and Ontogeny in Later Late Cretaceous Asiamerica
Canadian Journal of Earth Sciences Theropod Guild Structure and the Tyrannosaurid Niche Assimilation Hypothesis: Implications for Predatory Dinosaur Macroecology and Ontogeny in later Late Cretaceous Asiamerica Journal: Canadian Journal of Earth Sciences Manuscript ID cjes-2020-0174.R1 Manuscript Type: Article Date Submitted by the 04-Jan-2021 Author: Complete List of Authors: Holtz, Thomas; University of Maryland at College Park, Department of Geology; NationalDraft Museum of Natural History, Department of Geology Keyword: Dinosaur, Ontogeny, Theropod, Paleocology, Mesozoic, Tyrannosauridae Is the invited manuscript for consideration in a Special Tribute to Dale Russell Issue? : © The Author(s) or their Institution(s) Page 1 of 91 Canadian Journal of Earth Sciences 1 Theropod Guild Structure and the Tyrannosaurid Niche Assimilation Hypothesis: 2 Implications for Predatory Dinosaur Macroecology and Ontogeny in later Late Cretaceous 3 Asiamerica 4 5 6 Thomas R. Holtz, Jr. 7 8 Department of Geology, University of Maryland, College Park, MD 20742 USA 9 Department of Paleobiology, National Museum of Natural History, Washington, DC 20013 USA 10 Email address: [email protected] 11 ORCID: 0000-0002-2906-4900 Draft 12 13 Thomas R. Holtz, Jr. 14 Department of Geology 15 8000 Regents Drive 16 University of Maryland 17 College Park, MD 20742 18 USA 19 Phone: 1-301-405-4084 20 Fax: 1-301-314-9661 21 Email address: [email protected] 22 23 1 © The Author(s) or their Institution(s) Canadian Journal of Earth Sciences Page 2 of 91 24 ABSTRACT 25 Well-sampled dinosaur communities from the Jurassic through the early Late Cretaceous show 26 greater taxonomic diversity among larger (>50kg) theropod taxa than communities of the 27 Campano-Maastrichtian, particularly to those of eastern/central Asia and Laramidia. -
A Graveyard of Titans
A graveyard of titans Gerhard Maier. 2003. African Dinosaurs Unearthed: The Tenda− prominent scientists—or those who would later rise to prominence— guru Expeditions. Indiana University Press, Bloomington and Indi− participated in the Tendaguru projects, among them Eberhard Fraas, anapolis, USA. 380 pages (hardcover). EUR 43, USD 49.95. Werner Janensch, Edwin Hennig, Hans Reck, Louis Leakey, and Rex Parrington. Of more general interest, though, is the uniquely long, deep Most paleontologists can appreciate the fact that public fascination with entwinement of Tendaguru dinosaurs with 20th century geopolitics. dinosaurs brings needed visibility to their discipline. Far fewer, how− Field investigations tookplace during the colonial period, and their his − ever, have cause to follow—let alone read—the rapidly proliferating tory provides insight into European–native interactions at that time. number of “specialty” books aimed at one of a dwindling number of un− Within the paleontological realm, the Tendaguru projects were occupied niches in the existing literature on dinosaurs. Though it does uniquely and dramatically affected by the two world wars. During the contain much for the dinosaur enthusiast, this is not such a specialty first, German operations were abruptly terminated (Hans Reck, in the book—which is why I recommend it as a “must read” for anyone inter− field at the onset of hostilities, was captured and imprisoned for two ested in the history of paleontology and of science in general. years), a large number of fossils lost, and colonial rule was handed over In African Dinosaurs Unearthed, Maier chronicles the discovery, ex− to England—thereby enabling the British Museum to exploit Tenda− cavation, exhibition, and study of dinosaurs from and around Tendaguru guru’s fossil beds in following years. -
Index of Subjects
Cambridge University Press 978-1-108-47594-5 — Dinosaurs 4th Edition Index More Information INDEX OF SUBJECTS – – – A Zuul, 275 276 Barrett, Paul, 98, 335 336, 406, 446 447 Ankylosauridae Barrick, R, 383–384 acetabulum, 71, 487 characteristics of, 271–273 basal dinosauromorph, 101 acromial process, 271, 273, 487 cladogram of, 281 basal Iguanodontia, 337 actual diversity, 398 defined, 488 basal Ornithopoda, 336 adenosine diphosphate, see ADP evolution of, 279 Bates, K. T., 236, 360 adenosine triphosphate, see ATP ankylosaurids, 275–276 beak, 489 ADP (adenosine diphosphate), 390, 487 anpsids, 76 belief systems, 474, 489 advanced characters, 55, 487 antediluvian period, 422, 488 Bell, P. R., 162 aerobic metabolism, 391, 487 anterior position, 488 bennettitaleans, 403, 489 – age determination (dinosaur), 354 357 antorbital fenestra, 80, 488 benthic organisms, 464, 489 Age of Dinosaurs, 204, 404–405 Arbour, Victoria, 277 Benton, M. J., 2, 104, 144, 395, 402–403, akinetic movement, see kinetic movement Archibald, J. D., 467, 469 444–445, 477–478 Alexander, R. M., 361 Archosauria, 80, 88–90, 203, 488 Berman, D. S, 236–237 allometry, 351, 487 Archosauromorpha, 79–81, 488 Beurien, Karl, 435 altricial offspring, 230, 487 archosauromorphs, 401 bidirectional respiration, 350 Alvarez, Luis, 455 archosaurs, 203, 401 Big Al, 142 – Alvarez, Walter, 442, 454 455, 481 artifacts, 395 biogeography, 313, 489 Alvarezsauridae, 487 Asaro, Frank, 455 biomass, 415, 489 – alvarezsaurs, 168 169 ascending process of the astragalus, 488 biosphere, 2 alveolus/alveoli, -
Cranial Anatomy of Allosaurus Jimmadseni, a New Species from the Lower Part of the Morrison Formation (Upper Jurassic) of Western North America
Cranial anatomy of Allosaurus jimmadseni, a new species from the lower part of the Morrison Formation (Upper Jurassic) of Western North America Daniel J. Chure1,2,* and Mark A. Loewen3,4,* 1 Dinosaur National Monument (retired), Jensen, UT, USA 2 Independent Researcher, Jensen, UT, USA 3 Natural History Museum of Utah, University of Utah, Salt Lake City, UT, USA 4 Department of Geology and Geophysics, University of Utah, Salt Lake City, UT, USA * These authors contributed equally to this work. ABSTRACT Allosaurus is one of the best known theropod dinosaurs from the Jurassic and a crucial taxon in phylogenetic analyses. On the basis of an in-depth, firsthand study of the bulk of Allosaurus specimens housed in North American institutions, we describe here a new theropod dinosaur from the Upper Jurassic Morrison Formation of Western North America, Allosaurus jimmadseni sp. nov., based upon a remarkably complete articulated skeleton and skull and a second specimen with an articulated skull and associated skeleton. The present study also assigns several other specimens to this new species, Allosaurus jimmadseni, which is characterized by a number of autapomorphies present on the dermal skull roof and additional characters present in the postcrania. In particular, whereas the ventral margin of the jugal of Allosaurus fragilis has pronounced sigmoidal convexity, the ventral margin is virtually straight in Allosaurus jimmadseni. The paired nasals of Allosaurus jimmadseni possess bilateral, blade-like crests along the lateral margin, forming a pronounced nasolacrimal crest that is absent in Allosaurus fragilis. Submitted 20 July 2018 Accepted 31 August 2019 Subjects Paleontology, Taxonomy Published 24 January 2020 Keywords Allosaurus, Allosaurus jimmadseni, Dinosaur, Theropod, Morrison Formation, Jurassic, Corresponding author Cranial anatomy Mark A. -
The Taphonomy of Dinosaurs from the Upper Jurassic of Tendaguru (Tanzania) Based on Field Sketches of the German Tendaguru Expedition (1909-1913)1
Mitt . Mus. Nat.kd. Berl., Geowiss. Reihe 2 (1999) 25-61 19 .10.1999 The Taphonomy of Dinosaurs from the Upper Jurassic of Tendaguru (Tanzania) Based on Field Sketches of the German Tendaguru Expedition (1909-1913)1 Wolf-Dieter Heinriche With 23 figures and 2 tables Abstract Tendaguru is one of the most important dinosaur localities in Africa . The Tendaguru Beds have produced a diverse Late Jurassic (Kimmeridgian to Tithonian) dinosaur assemblage, including sauropods (Brachiosaurus, Barosaurus, Dicraeosaurus, Janenschia), theropods (e.g., Elaphrosaurus, Ceratosaurus, Allosaurus), and ornithischians (Kentrosaurus, Dryosaurus) . Con- trary to the well studied skeletal anatomy of the Tendaguru dinosaurs, the available taphonomic information is rather limited, and a generally accepted taphonomic model has not yet been established . Assessment of unpublished excavation sketches by the German Tendaguru expedition (1909-1913) document bone assemblages of sauropod and ornithischian dinosaurs from the Middle Saurian Bed, Upper Saurian Bed, and the Transitional Sands above the Trigonia smeei Bed, and shed some light on the taphonomy of the Tendaguru dinosaurs. Stages of disarticulation range from incomplete skeletons to solitary bones, and strongly argue for carcass decay and post-mortem transport prior to burial . The sauropod bone accumulations are domi- nated by adult individuals, and juveniles are rare or missing . The occurrence of bones in different superimposed dinosaur- bearing horizons indicates that skeletal remains were accumulated over a long time span during the Late Jurassic, and the majority of the bone accumulations are probably attritional. These accumulations are likely to have resulted from long-term bone imput due to normal mortality events caused by starvation, seasonal drought, disease, old age and weakness. -
Body-Size Evolution in the Dinosauria
8 Body-Size Evolution in the Dinosauria Matthew T. Carrano Introduction The evolution of body size and its influence on organismal biology have received scientific attention since the earliest decades of evolutionary study (e.g., Cope, 1887, 1896; Thompson, 1917). Both paleontologists and neontologists have attempted to determine correlations between body size and numerous aspects of life history, with the ultimate goal of docu- menting both the predictive and causal connections involved (LaBarbera, 1986, 1989). These studies have generated an appreciation for the thor- oughgoing interrelationships between body size and nearly every sig- nificant facet of organismal biology, including metabolism (Lindstedt & Calder, 1981; Schmidt-Nielsen, 1984; McNab, 1989), population ecology (Damuth, 1981; Juanes, 1986; Gittleman & Purvis, 1998), locomotion (Mc- Mahon, 1975; Biewener, 1989; Alexander, 1996), and reproduction (Alex- ander, 1996). An enduring focus of these studies has been Cope’s Rule, the notion that body size tends to increase over time within lineages (Kurtén, 1953; Stanley, 1973; Polly, 1998). Such an observation has been made regarding many different clades but has been examined specifically in only a few (MacFadden, 1986; Arnold et al., 1995; Jablonski, 1996, 1997; Trammer & Kaim, 1997, 1999; Alroy, 1998). The discordant results of such analyses have underscored two points: (1) Cope’s Rule does not apply universally to all groups; and (2) even when present, size increases in different clades may reflect very different underlying processes. Thus, the question, “does Cope’s Rule exist?” is better parsed into two questions: “to which groups does Cope’s Rule apply?” and “what process is responsible for it in each?” Several recent works (McShea, 1994, 2000; Jablonski, 1997; Alroy, 1998, 2000a, 2000b) have begun to address these more specific questions, attempting to quantify patterns of body-size evolution in a phylogenetic (rather than strictly temporal) context, as well as developing methods for interpreting the resultant patterns. -
Spring 2021 Nonfiction Rights Guide
Spring 2021 Nonfiction Rights Guide 19 West 21st St. Suite 501, New York, NY 10010 / Telephone: (212) 765-6900 / E-mail: [email protected] TABLE OF CONTENTS SCIENCE, BUSINESS & CURRENT AFFAIRS HOUSE OF STICKS THE BIG HURT BRAIN INFLAMMED HORSE GIRLS FIRST STEPS YOU HAD ME AT PET NAT RUNNER’S HIGH MY BODY TALENT MUHAMMAD, THE WORLD-CHANGER WINNING THE RIGHT GAME VIVIAN MAIER DEVELOPED SUPERSIGHT THE SUM OF TRIFLES THE KINGDOM OF CHARACTERS AUGUST WILSON WHO IS BLACK, AND WHY? CRYING IN THE BATHROOM PROJECT TOTAL RECALL I REGRET I AM ABLE TO ATTEND BLACK SKINHEAD REBEL TO AMERICA CHANGING GENDER KIKI MAN RAY EVER GREEN MURDER BOOK RADICAL RADIANCE DOT DOT DOT FREEDOM IS NOT ENOUGH HOW TO SAY BABYLON THE RISE OF THE MAMMALS THE RECKONING RECOVERY GUCCI TO GOATS TINDERBOX RHAPSODY AMERICAN RESISTANCE SWOLE APOCALYPSE ONBOARDING WEATHERING CONQUERING ALEXANDER VIRAL JUSTICE UNTITLED TOM SELLECK MEMOIR UNTITLED ON AI THE GLASS OF FASHION IT’S ALL TALK CHANGE BEGINS WITH A QUESTION UNTITLED ON CLASSICAL MUSIC MEMOIRS & BIOGRAPHIES STORIES I MIGHT REGRET TELLING YOU FIERCE POISE THE WIVES BEAUTIFUL THINGS PLEASE DON’T KILL MY BLACK SON PLEASE THE SPARE ROOM TANAQUIL NOTHING PERSONAL THE ROARING GIRL PROOF OF LIFE CITIZEN KIM BRAT DON’T THINK, DEAR TABLE OF CONTENTS, CONT. MINDFULNESS & SELF-HELP KILLING THATCHER EDITING MY EVERYTHING WE DON’T EVEN KNOW YOU ANYMORE SOUL THERAPY THE SCIENCE AND TECHNOLOGY OF GROWING YOUNG HISTORY TRUE AGE THE SECRETS OF SILENCE WILD MINDS THE SORCERER’S APPRENTICE INTELLIGENT LOVE THE POWER OF THE DOWNSTATE -
Pennsylvania
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Pittsburgh Perspectives
Children’s School October 2014 Pittsburgh Perspectives Why did the Shawnee, French, and British all want to live at the confluence of the Allegheny, Monogahela, and Ohio rivers? Why have so many major innovations in science & technology, medicine, industry, the arts, etc. originated in Pittsburgh? How did the “Steel City” become the most livable city in the US? Why did each of us choose to call Pittsburgh “home” for this period of our lives? These are among the exciting questions that prompted us to choose Pittsburgh for the theme of our 2014-15 Whole School Unit. Our educators began our own explorations by visiting the Fort Pitt Museum & Blockhouse and the Heinz History Center. Though the unit is scheduled for February, we are already introducing Pittsburgh as a thread throughout the whole year. Watch for images of the city skyline and three rivers, displays honoring Pittsburghers who are famous for their work supporting children and learning, and monthly tips for expanding your family’s adventures in Pittsburgh. If you are interested in helping to design the unit or have ideas to share, please contact Sharon Carver ([email protected]) or Violet McGillen ([email protected]). October’s Pittsburgh Tip: Whether you are new to Pittsburgh or a lifelong resident, there is much to explore here. Visit the city’s official visitor’s guide at http://www.visitpittsburgh.com to see why they chose the slogan “Pittsburgh Mighty and Beautiful”. NextPittsburgh focuses on “taking Pittsburgh to the next level”, and they have a great section on family adventures at http://www.nextpittsburgh.com/events/family-adventures-september-in-pittsburgh/. -
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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