Wec01's SSSS Fossils Test 2019
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Functional Morphology of the Vertebral Column in Remingtonocetus (Mammalia, Cetacea) and the Evolution of Aquatic Locomotion in Early Archaeocetes
Functional Morphology of the Vertebral Column in Remingtonocetus (Mammalia, Cetacea) and the Evolution of Aquatic Locomotion in Early Archaeocetes by Ryan Matthew Bebej A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Ecology and Evolutionary Biology) in The University of Michigan 2011 Doctoral Committee: Professor Philip D. Gingerich, Co-Chair Professor Philip Myers, Co-Chair Professor Daniel C. Fisher Professor Paul W. Webb © Ryan Matthew Bebej 2011 To my wonderful wife Melissa, for her infinite love and support ii Acknowledgments First, I would like to thank each of my committee members. I will be forever grateful to my primary mentor, Philip D. Gingerich, for providing me the opportunity of a lifetime, studying the very organisms that sparked my interest in evolution and paleontology in the first place. His encouragement, patience, instruction, and advice have been instrumental in my development as a scholar, and his dedication to his craft has instilled in me the importance of doing careful and solid research. I am extremely grateful to Philip Myers, who graciously consented to be my co-advisor and co-chair early in my career and guided me through some of the most stressful aspects of life as a Ph.D. student (e.g., preliminary examinations). I also thank Paul W. Webb, for his novel thoughts about living in and moving through water, and Daniel C. Fisher, for his insights into functional morphology, 3D modeling, and mammalian paleobiology. My research was almost entirely predicated on cetacean fossils collected through a collaboration of the University of Michigan and the Geological Survey of Pakistan before my arrival in Ann Arbor. -
The Largest Tropical Peat Mires in Earth History
Geological Society of America Special Paper 370 2003 Desmoinesian coal beds of the Eastern Interior and surrounding basins: The largest tropical peat mires in Earth history Stephen F. Greb William M. Andrews Cortland F. Eble Kentucky Geological Survey, University of Kentucky, Lexington, Kentucky 40506, USA William DiMichele Smithsonian Institution, National Museum of Natural History, Washington, D.C., USA C. Blaine Cecil U.S. Geological Survey, Reston, Virginia, USA James C. Hower Center for Applied Energy Research, University of Kentucky, Lexington, Kentucky, USA ABSTRACT The Colchester, Springfield, and Herrin Coals of the Eastern Interior Basin are some of the most extensive coal beds in North America, if not the world. The Colchester covers an area of more than 100,000 km^, the Springfield covers 73,500-81,000 km^, and the Herrin spans 73,900 km^. Each has correlatives in the Western Interior Basin, such that their entire regional extent varies from 116,000 km^to 200,000 km^. Correlatives in the Appalachian Basin may indicate an even more widespread area of Desmoinesian peatland development, although possibly sUghtly younger in age. The Colchester Coal is thin, but the Springfield and Herrin Coals reach thicknesses in excess of 3 m. High ash yields, dominance of vitrinite macerals, and abundant lycopsids suggest that these Desmoinesian coals were deposited in topogenous (groundwater fed) to solige- nous (mixed-water source) mires. The only modern mire complexes that are as wide- spread are northern-latitude raised-bog mires, but Desmoinesian -
Transition of Eocene Whales from Land to Sea: Evidence from Bone Microstructure
RESEARCH ARTICLE Transition of Eocene Whales from Land to Sea: Evidence from Bone Microstructure Alexandra Houssaye1,2*, Paul Tafforeau3, Christian de Muizon4, Philip D. Gingerich5 1 UMR 7179 CNRS/Muséum National d’Histoire Naturelle, Département Ecologie et Gestion de la Biodiversité, Paris, France, 2 Steinmann Institut für Geologie, Paläontologie und Mineralogie, Universität Bonn, Bonn, Germany, 3 European Synchrotron Radiation Facility, Grenoble, France, 4 Sorbonne Universités, CR2P—CNRS, MNHN, UPMC-Paris 6, Département Histoire de la Terre, Muséum National d’Histoire Naturelle, Paris, France, 5 Department of Earth and Environmental Sciences and Museum of Paleontology, University of Michigan, Ann Arbor, Michigan, United States of America a11111 * [email protected] Abstract Cetacea are secondarily aquatic amniotes that underwent their land-to-sea transition during OPEN ACCESS the Eocene. Primitive forms, called archaeocetes, include five families with distinct degrees Citation: Houssaye A, Tafforeau P, de Muizon C, of adaptation to an aquatic life, swimming mode and abilities that remain difficult to estimate. Gingerich PD (2015) Transition of Eocene Whales The lifestyle of early cetaceans is investigated by analysis of microanatomical features in from Land to Sea: Evidence from Bone postcranial elements of archaeocetes. We document the internal structure of long bones, Microstructure. PLoS ONE 10(2): e0118409. ribs and vertebrae in fifteen specimens belonging to the three more derived archaeocete doi:10.1371/journal.pone.0118409 families — Remingtonocetidae, Protocetidae, and Basilosauridae — using microtomogra- Academic Editor: Brian Lee Beatty, New York phy and virtual thin-sectioning. This enables us to discuss the osseous specializations ob- Institute of Technology College of Osteopathic Medicine, UNITED STATES served in these taxa and to comment on their possible swimming behavior. -
PRISCUM the Newsletter of the Paleontological Society Volume 13, Number 2, Fall 2004
PRISCUM The Newsletter of the Paleontological Society Volume 13, Number 2, Fall 2004 Paleontological PRESIDENT’S Society Officers COLUMN: Inside... President Treasurer’s Report 2 William I. Ausich WE NEED YOU! GSA Information 2 President-Elect by William I. Ausich Reviews of PS- David Bottjer Sponsored Sessions 3 Past-President Why are you a member of The Paleontology Portal 5 Patricia H. Kelley The Paleontological Society? In PS Lecture Program 6 Secretary the not too distance past, the Books for Review 9 Roger D. K. Thomas only way to receive a copy of the Journal of Book Reviews 9 Treasurer Paleontology and Paleobiology was to pay your dues Conference Announce- and belong to the Society. I suppose one could Mark E. Patzkowsky have borrowed a copy from a friend or wander over ments 14 JP Managing Editors to the library. However, this was probably done Ann (Nancy) F. Budd with a heavy burden of guilt. Now, as we move Christopher A. Brochu into the digital age of scientific journal publishing, Jonathan Adrain one can have copies of the Journal of Paleontology and Paleobiology transmitted right to your Paleobiology Editors computer. It actually may arrive faster than the Tomasz Baumiller U.S. mail, you do not have to pay anything, and Robyn Burnham you do not even have to walk over to the library. Philip Gingerich No need for shelf space, no hassle, no dues, no Program Coordinator guilt – isn’t the Web great? The Web is great, but the Society needs dues-paying members in order Mark A. Wilson to continue to publish in paper, digitally, or both. -
Div B Fossils Answer Key
Div B Fossils Answer Key Name: . Date: . This is a 50 minute test. Each station is 2 minutes and 30 seconds. Keep in mind that questions that require Multiple answers will only be marked correct if ALL of the answers chosen/written are correct. /120 Station 1: 1) Brachiosaurus 2) Elmer S. Riggs 3) Diplodocus 4) Cañon City, Colorado 5) Patagotitan 6) Late Cretaceous Station 2: 7) Velociraptor 8) Spinosaurus 9) Plateosaurus 10) Ankylosaurus 11) Parasaurolophus 12) Dracorex Station 3: 13) Platystrophia 14) A, C, D, E 15) Composita 16) Late Devonian-Late Permian 17) Atrypa 18) All around the world Station 4: 19) .Calymene 20) Beautiful crescent, references the glabella 21) Eldredgeops (formerly Phacops) 22) 11 23) Elrathia 24) Four axial rings Station 5: 25) A - Thorax 26) B - Genal Angle 27) C - Cephalon 28) D - Eye 29) E - Pleural furrow 30) F - Librigena 31) G - Fulcrum Station 6: 32) Order Ammonoid 33) Cretaceous–Paleogene extinction even 34) True 35) Planispirals, helically, heteromorphs 36) F Station 7: 37) Class Crinoidea 38) A 39) A characteristic of a species, meaning that it has distinct male and female individual organisms. 40) Yes 41) 600 42) 40 m (130 ft) Station 8: 43) Belemnitella 44) 84.9–66.043 Ma 45) Europe and North America 46) Internal 47) North America 48) True Station 9: 49) Bothriolepis 50) "pitted scale" or "trench scale", either or both accepted 51) Bothriolepis, keyhole, mouth 52) Three 53) a superficial -
Annual Meeting 2002
Newsletter 51 74 Newsletter 51 75 The Palaeontological Association 46th Annual Meeting 15th–18th December 2002 University of Cambridge ABSTRACTS Newsletter 51 76 ANNUAL MEETING ANNUAL MEETING Newsletter 51 77 Holocene reef structure and growth at Mavra Litharia, southern coast of Gulf of Corinth, Oral presentations Greece: a simple reef with a complex message Steve Kershaw and Li Guo Oral presentations will take place in the Physiology Lecture Theatre and, for the parallel sessions at 11:00–1:00, in the Tilley Lecture Theatre. Each presentation will run for a New perspectives in palaeoscolecidans maximum of 15 minutes, including questions. Those presentations marked with an asterisk Oliver Lehnert and Petr Kraft (*) are being considered for the President’s Award (best oral presentation by a member of the MONDAY 11:00—Non-marine Palaeontology A (parallel) Palaeontological Association under the age of thirty). Guts and Gizzard Stones, Unusual Preservation in Scottish Middle Devonian Fishes Timetable for oral presentations R.G. Davidson and N.H. Trewin *The use of ichnofossils as a tool for high-resolution palaeoenvironmental analysis in a MONDAY 9:00 lower Old Red Sandstone sequence (late Silurian Ringerike Group, Oslo Region, Norway) Neil Davies Affinity of the earliest bilaterian embryos The harvestman fossil record Xiping Dong and Philip Donoghue Jason A. Dunlop Calamari catastrophe A New Trigonotarbid Arachnid from the Early Devonian Windyfield Chert, Rhynie, Philip Wilby, John Hudson, Roy Clements and Neville Hollingworth Aberdeenshire, Scotland Tantalizing fragments of the earliest land plants Steve R. Fayers and Nigel H. Trewin Charles H. Wellman *Molecular preservation of upper Miocene fossil leaves from the Ardeche, France: Use of Morphometrics to Identify Character States implications for kerogen formation Norman MacLeod S. -
The Biology of Marine Mammals
Romero, A. 2009. The Biology of Marine Mammals. The Biology of Marine Mammals Aldemaro Romero, Ph.D. Arkansas State University Jonesboro, AR 2009 2 INTRODUCTION Dear students, 3 Chapter 1 Introduction to Marine Mammals 1.1. Overture Humans have always been fascinated with marine mammals. These creatures have been the basis of mythical tales since Antiquity. For centuries naturalists classified them as fish. Today they are symbols of the environmental movement as well as the source of heated controversies: whether we are dealing with the clubbing pub seals in the Arctic or whaling by industrialized nations, marine mammals continue to be a hot issue in science, politics, economics, and ethics. But if we want to better understand these issues, we need to learn more about marine mammal biology. The problem is that, despite increased research efforts, only in the last two decades we have made significant progress in learning about these creatures. And yet, that knowledge is largely limited to a handful of species because they are either relatively easy to observe in nature or because they can be studied in captivity. Still, because of television documentaries, ‘coffee-table’ books, displays in many aquaria around the world, and a growing whale and dolphin watching industry, people believe that they have a certain familiarity with many species of marine mammals (for more on the relationship between humans and marine mammals such as whales, see Ellis 1991, Forestell 2002). As late as 2002, a new species of beaked whale was being reported (Delbout et al. 2002), in 2003 a new species of baleen whale was described (Wada et al. -
Hyperodapedon Gordoni Further Observations Upon
Downloaded from http://jgslegacy.lyellcollection.org/ at University of Virginia on October 5, 2012 Quarterly Journal of the Geological Society Further Observations upon Hyperodapedon Gordoni. T. H. Huxley Quarterly Journal of the Geological Society 1887, v.43; p675-694. doi: 10.1144/GSL.JGS.1887.043.01-04.51 Email alerting click here to receive free service e-mail alerts when new articles cite this article Permission click here to seek permission request to re-use all or part of this article Subscribe click here to subscribe to Quarterly Journal of the Geological Society or the Lyell Collection Notes © The Geological Society of London 2012 Downloaded from http://jgslegacy.lyellcollection.org/ at University of Virginia on October 5, 2012 ON HYPERODAPEDON GORDONL 675 47. FcR~n~l~ O~S~RVAT][O~S upon ~EIYPERODAPEDOI~ GORDON][. By Prof. T. tI. HvxL~, F.R.S., F.G.S. (Read May 11, 1887.) [PLA~ES XXYL & XXVII.] IT is now twenty,nine years since, in describing those remains of Stagonolepis t~obertsoni from the Elgin Sandstones which enabled me to determine the reptilian nature and the crocodilian affinities of that supposed fish, I indicated the occurrence in the same beds of a Laeertilian reptile, to which I gave the name of Hyperodapedon Gordoni. I laid stress upon the " marked affinity with certain Triassic reptiles" (e. g. _Rhynchosaurus)of Hyperodapedon, and I said that these, "when taken together with the resemblance of Stagonolelois to Mesozoic Crocodilia," led me "to require the strongest stratigraphical proof before admitting the Palmozoic age of the beds in which it occurs ,' % Many Fellows of the Society will remember the prolonged dis- cussions which took place, in the course of the ensuing ten or twelve years, before the Mesozoic age of the reptiliferous sandstones of Elgin was universally admitted. -
A Brief History of Whale Evolution: As Supported by The
A Brief History of Whale Evolution As Supported By the Fossil Record BIOB 272 – Genetics and Evolution Presented by Mindy Flanders Presented for Rick Henry December 8, 2017 Cetaceans—whales, dolphins, and porpoises—are so different from other animals that, until recently, scientists were unable to identify their closest relatives. As any elementary student knows, a whale is not a fish. That means that despite the similarities in where they live and how they look, whales are not at all like salmon or even sharks. Carolus Linnaeus, known for classifying plants and animals, noted in the 1750s that “whales breathe air through lungs not gills; are warm blooded; and have many other anatomical differences that distinguish them from fish” (Prothero, 2015). Other characteristics cetaceans share with all other mammals are: they have hair (at some point in their life), they give birth to live young, and they nurse their young with milk. This implies that whales evolved from other mammals and, because ancestral mammals were land animals, that whales had land ancestors (Thewissen & Bajpai, 2001). But before they had land ancestors they had water ancestors. The ancestors of fish lived in water, too. Up until 375 million years ago (mya), everything other than plants and insects lived in water, but it was around that time that fish and land animals began to diverge. A series of fossils represent the fish-to-tetrapod transition that occurred during the Late Devonian Period 359-383 mya (Herron & Freeman, 2014). In search of a new food source, or to escape predators more than twice their size (Prothero, 2015), the first tetrapods pushed themselves out of the swamps and began to live on land (Switek, 2010). -
Plant Evolution
Conquering the land The rise of plants Ordovician Spores Algae (algal mats) Green freshwater algae Bacteria Fungae Bryophytes Moses? Liverworts? Little body fossil evidence Silurian Wenlock Stage 423-428mya Psilophytes Rhyniopsidsa important later in early Devonian Cooksonia Rhynia Branching stems, flattened sporangia at tips No leaves, no roots short 30 cms rhizoids Zosterophylls Early stem group of Lycopodiophytes Ancestors of Class Lycopsida (clubmosses) Prevalent in Devonian Spores at tips and on branches Lycopsids (?) Baragwanathia with microphylls in Australia Zosterophylls Silurian Cooksonia Development of Soil Fungae Bacteria Algae Organic matter Arthropods and annelids Change in erosion Change in CO2 Devonian Devonian Early Devonian simple structure Rhynie Chert (Rhyniophytes) Trimerophytes First with main shoot Give rise to Ferns and Progymnosperms Up to 3m tall Animal life (mainly arthropods) Late Devonian Forests First true wood (lignin) Forest structure develops (stories) Sphenopsids (Calamites) Lycopsids (Lepidodendron) Seed Ferns (Pteridosperm) Progymnosperm Archaeopteris Cladoxylopsid First vertebrates present Upper Devonian Lycopsida 374-360 mya Leaves and roots differentiated Most ancient with living relatives Megaphylls branching in on plane Photosynthetic webbing Shrub size vertical growth limited (weak) Lateral (secondary) growth (woody) Development of roots Homosporous Heterosporous Upper Devonian Calamites (Sphenopsid) Horestail Sphenophyta (Calamites-Annularia) Devonian Archaeopteris Ur. Devonian - Lr. Carboniferous -
Whales and Wolves the Evidence
WHALES AND WOLVES THE EVIDENCE (Marx, et. al., n.d.) Pakicetus (48-50 million years ago) Found in Pakistan (Marx, et. al., n.d.) Ambulocetus (47-48 million years ago) Found in ancient estuaries or bays (Marx, et. al., n.d.) Rodhocetus (39-47 million years ago) Found in Africa and North America (Marx, et. al., n.d.) Basilosaurus (35-37 million years ago) Found in ocean deposits (Marx, et. al., n.d.) Dorudon atrox (Found in 35-38 million year old ocean deposits) Retrieved from: http://www.rejectionofpascalswager.net/origin.html Whale Fin Retrieved from: http://www.rejectionofpascalswager.net/origin.html Retrieved from: http://www.boneclones.com/BC-044.htm Orca Whale Lower Jaw Bone (San Diego Natural History Museum, 2010) Dire Wolf Jaw Bone What does the evidence tell us? ! Whales are mammals, so they share many similarities with the wolf, and are more closely related than a whale and shark. ! The skeleton pictures show the fossil evidence that has been found. They show that whales descended from a land mammal. This land mammal likely shares a common ancestor with wolves. Here is a drawing of what the land animal to whale evolution probably looked like: (Marx, et. al., n.d.) ! Using the geologic information about where the skeletons were found, you can see how the descendants moved from land to estuaries (fresh and salt water mixed) to oceans. ! Using comparative anatomy, you can see the homologous structures of the whale fin and wolf leg. This suggests that they share a common ancestor. ! Using comparative anatomy, you can see the homologous structures of the whale jaw bone and the wolf jaw bone. -
Sept 2005 APS Bulletin
Palæontological S o c i e t y Bulletin VOLUMEAlberta 20 • NUMBER 3 www.albertapaleo.org SEPTEMBER 2005 ALBERTA PALÆONTOLOGICAL SOCIETY OFFICERS c. Provide information and expertise to other collectors. President Dan Quinsey 247-3022 d. Work with professionals at museums and universities Vice-President Ron Fortier 285-8041 to add to the palaeontological collections of the Treasurer Mona Marsovsky 547-0182 province (preserve Alberta’s heritage). Secretary Wendy Morrison 646-3186 Past-President Vaclav Marsovsky 547-0182 MEMBERSHIP: Any person with a sincere interest in palaeontology is eligible to present their application DIRECTORS for membership in the Society. (Please enclose mem- Editor Howard Allen 274-1858 bership dues with your request for application.) Membership Howard Allen 274-1858 Program Coordinator Philip Benham 280-6283 Single membership $20.00 annually Field Trip Coordinator Wayne Braunberger 278-5154 Family or Institution $25.00 annually COMMITTEES THE BULLETIN WILL BE PUBLISHED QUARTERLY: APAC† Howard Allen 274-1858 March, June, September and December. Deadline for sub- APS 20th Anniversary Dan Quinsey 247-3022 mitting material for publication is the 15th of the month Wayne Braunberger 278-5154 prior to publication. CRLC Show Dan Quinsey 247-3022 Wayne Braunberger 278-5154 Society Mailing Address: Education Dan Quinsey 247-3022 Alberta Palaeontological Society Fossil Collections Ron Fortier 285-8041 P.O. Box 35111, Sarcee Postal Outlet Fund Raising Dan Quinsey 247-3022 Calgary, Alberta, Canada T3E 7C7 Library Mona Marsovsky 547-0182 (Web: www.albertapaleo.org) Paleo Rangers Dan Quinsey 247-3022 Ron Fortier 285-8041 Material for the Bulletin: Social (position unfilled) Howard Allen, Editor, APS Website Vaclav Marsovsky 547-0182 7828 Hunterslea Crescent, N.W.