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The Wingtips of the Pterosaurs: Anatomy, Aeronautical Function and Palaeogeography, Palaeoclimatology, Palaeoecology Xxx (2015) Xxx Xxx 3 Ecological Implications
Our reference: PALAEO 7445 P-authorquery-v11 AUTHOR QUERY FORM Journal: PALAEO Please e-mail your responses and any corrections to: Article Number: 7445 E-mail: [email protected] Dear Author, Please check your proof carefully and mark all corrections at the appropriate place in the proof (e.g., by using on-screen annotation in the PDF file) or compile them in a separate list. Note: if you opt to annotate the file with software other than Adobe Reader then please also highlight the appropriate place in the PDF file. To ensure fast publication of your paper please return your corrections within 48 hours. For correction or revision of any artwork, please consult http://www.elsevier.com/artworkinstructions. We were unable to process your file(s) fully electronically and have proceeded by Scanning (parts of) your Rekeying (parts of) your article Scanning the article artwork Any queries or remarks that have arisen during the processing of your manuscript are listed below and highlighted by flags in the proof. Click on the ‘Q’ link to go to the location in the proof. Location in article Query / Remark: click on the Q link to go Please insert your reply or correction at the corresponding line in the proof Q1 Your article is registered as a regular item and is being processed for inclusion in a regular issue of the journal. If this is NOT correct and your article belongs to a Special Issue/Collection please contact [email protected] immediately prior to returning your corrections. Q2 Please confirm that given names and surnames have been identified correctly. -
Theropod Composition of Early Late Cretaceous Faunas from Central
CORE Metadata, citation and similar papers at core.ac.uk Provided by Repository of the Academy's Library 1 Feeding related characters in basal pterosaurs: implications for jaw mechanism, dental function and diet RH: Feeding related characters in pterosaurs Attila Ősi A comparative study of various feeding related features in basal pterosaurs reveals a significant change in feeding strategies during the early evolutionary history of the group. These features are related to the skull architecture (e.g. quadrate morphology and orientation, jaw joint), dentition (e.g. crown morphology, wear patterns), reconstructed adductor musculature, and postcranium. The most basal pterosaurs (Preondactylus, dimorphodontids and anurognathids) were small bodied animals with a wing span no greater than 1.5 m, a relatively short, lightly constructed skull, straight mandibles with a large gape, sharply pointed teeth and well developed external adductors. The absence of extended tooth wear excludes complex oral food processing and indicates that jaw closure was simply orthal. Features of these basalmost forms indicate a predominantly insectivorous diet. Among stratigraphically older but more derived forms (Eudimorphodon, Carniadactylus, Caviramus) complex, multicusped teeth allowed the consumption of a wider variety of prey via a more effective form of food processing. This is supported by heavy dental wear in all forms with multicusped teeth. Typical piscivorous forms occurred no earlier than the Early Jurassic, and are characterized by widely spaced, enlarged procumbent teeth forming a fish grab and an anteriorly inclined quadrate that permitted only a relatively small gape. In addition, the skull became more elongate and body size 2 increased. Besides the dominance of piscivory, dental morphology and the scarcity of tooth wear reflect accidental dental occlusion that could have been caused by the capturing or seasonal consumption of harder food items. -
Premaxillary Crest Variation Within the Wukongopteridae (Reptilia, Pterosauria) and Comments on Cranial Structures in Pterosaurs
Anais da Academia Brasileira de Ciências (2017) 89(1): 119-130 (Annals of the Brazilian Academy of Sciences) Printed version ISSN 0001-3765 / Online version ISSN 1678-2690 http://dx.doi.org/10.1590/0001-3765201720160742 www.scielo.br/aabc Premaxillary crest variation within the Wukongopteridae (Reptilia, Pterosauria) and comments on cranial structures in pterosaurs XIN CHENG1,2, SHUNXING JIANG1, XIAOLIN WANG1,3 and ALEXANDER W.A. KELLNER2 1Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, P.O. Box 643, 100044, Beijing, China 2Laboratory of Systematics and Taphonomy of Fossil Vertebrates, Department of Geology and Paleontology, Museu Nacional/ Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, s/n, São Cristóvão, 20940-040 Rio de Janeiro, RJ, Brazil 3University of Chinese Academy of Sciences, 100049, Beijing, China Manuscript received on October 28, 2016; accepted for publication on January 9, 2017 ABSTRACT Cranial crests show considerable variation within the Pterosauria, a group of flying reptiles that developed powered flight. This includes the Wukongopteridae, a clade of non-pterodactyloids, where the presence or absence of such head structures, allied with variation in the pelvic canal, have been regarded as evidence for sexual dimorphism. Here we discuss the cranial crest variation within wukongopterids and briefly report on a new specimen (IVPP V 17957). We also show that there is no significant variation in the anatomy of the pelvis of crested and crestless specimens. We further revisit the discussion regarding the function of cranial structures in pterosaurs and argue that they cannot be dismissed a priori as a valuable tool for species recognition. -
Editors'choice
EDITORS’CHOICE EDITED BY GILBERT CHIN AND JAKE YESTON B I O M E C H A N I C S No Skimming Allowed Pterosaurs were flying reptiles and the first air-borne vertebrates; they dominated the skies from the late Triassic to the end of the Cretaceous, during the epoch of their relatives, the dinosaurs. On the basis of similarities in jaw structure, it has been suggested that several pterosaurs, including Thalassodromeus and the giant Quetzalcoatlus (with a wingspan of up to 15 m), could have fed by skimming in a manner akin to that of extant ternlike shorebirds (Rynchops spp.) Skimmers fly low over calm shallow water with the tip of their lower beak dipping beneath the water surface. Humphries et al. have used full-sized mod- on August 31, 2007 els of mandibles from Thalassodromeus and the modern skimmer R. niger to demonstrate that the pterosaur bill would have generated an order of magnitude more drag in traveling through the water. Modeling indicated that the energetic cost to a shorebird of flying with its beak in the water is almost prohibitive (~20% of the total cost of flight), and the authors sug- gest this levy might explain the rarity of the skimming life-style. The substantially greater cost for a pterosaur larger than 2 kg appears to exclude outright skimming as a possible means for procuring food. Furthermore, many of the morpho- logical specializations to the head and neck seen in Rynchops are not found in pterosaurs of any size, including the ability to regenerate broken or abraded bill tips and the presence of a reinforced lower jaw. -
Pterosaurs Flight in the Age of Dinosaurs Now Open 2 News at the Museum 3
Member Magazine Spring 2014 Vol. 39 No. 2 Pterosaurs Flight in the Age of Dinosaurs now open 2 News at the Museum 3 From the After an unseasonably cold, snowy winter, will work to identify items from your collection, More than 540,000 Marine Fossils the Museum is pleased to offer a number of while also displaying intriguing specimens from President springtime opportunities to awaken the inner the Museum’s own world-renowned collections. Added to Paleontology Collection naturalist in us all. This is the time of year when Of course, fieldwork and collecting have Ellen V. Futter Museum scientists prepare for the summer been hallmarks of the Museum’s work since Collections at a Glance field season as they continue to pursue new the institution’s founding. What has changed, discoveries in their fields. It’s also when Museum however, is technology. With a nod to the many Over nearly 150 years of acquisitions and Members and visitors can learn about their ways that technology is amplifying how scientific fieldwork, the Museum has amassed preeminent own discoveries during the annual Identification investigations are done, this year, ID Day visitors collections that form an irreplaceable record Day in Theodore Roosevelt Memorial Hall. can learn how scientists use digital fabrication of life on Earth. Today, 21st-century tools— Held this year on May 10, Identification Day to aid their research and have a chance to sophisticated imaging techniques, genomic invites visitors to bring their own backyard finds have their own objects scanned and printed on analyses, programs to analyze ever-growing and curios for identification by Museum scientists. -
Analyzing Pterosaur Ontogeny and Sexual Dimorphism with Multivariate Allometry Erick Charles Anderson [email protected]
Marshall University Marshall Digital Scholar Theses, Dissertations and Capstones 2016 Analyzing Pterosaur Ontogeny and Sexual Dimorphism with Multivariate Allometry Erick Charles Anderson [email protected] Follow this and additional works at: http://mds.marshall.edu/etd Part of the Animal Sciences Commons, Ecology and Evolutionary Biology Commons, and the Paleontology Commons Recommended Citation Anderson, Erick Charles, "Analyzing Pterosaur Ontogeny and Sexual Dimorphism with Multivariate Allometry" (2016). Theses, Dissertations and Capstones. 1031. http://mds.marshall.edu/etd/1031 This Thesis is brought to you for free and open access by Marshall Digital Scholar. It has been accepted for inclusion in Theses, Dissertations and Capstones by an authorized administrator of Marshall Digital Scholar. For more information, please contact [email protected], [email protected]. ANALYZING PTEROSAUR ONTOGENY AND SEXUAL DIMORPHISM WITH MULTIVARIATE ALLOMETRY A thesis submitted to the Graduate College of Marshall University In partial fulfillment of the requirements for the degree of Master of Science in Biological Sciences by Erick Charles Anderson Approved by Dr. Frank R. O’Keefe, Committee Chairperson Dr. Suzanne Strait Dr. Andy Grass Marshall University May 2016 i ii ii Erick Charles Anderson ALL RIGHTS RESERVED iii Acknowledgments I would like to thank Dr. F. Robin O’Keefe for his guidance and advice during my three years at Marshall University. His past research and experience with reptile evolution made this research possible. I would also like to thank Dr. Andy Grass for his advice during the course of the research. I would like to thank my fellow graduate students Donald Morgan and Tiffany Aeling for their support, encouragement, and advice in the lab and bar during our two years working together. -
Review REVIEW 1: 543–559, 2014 Doi: 10.1093/Nsr/Nwu055 Advance Access Publication 5 September 2014
National Science Review REVIEW 1: 543–559, 2014 doi: 10.1093/nsr/nwu055 Advance access publication 5 September 2014 GEOSCIENCES Special Topic: Paleontology in China The Jehol Biota, an Early Cretaceous terrestrial Lagerstatte:¨ new discoveries and implications Zhonghe Zhou ABSTRACT The study of the Early Cretaceous terrestrial Jehol Biota, which provides a rare window for reconstruction of a Lower Cretaceous terrestrial ecosystem, is reviewed with a focus on some of the latest progress. A newly proposed definition of the biota based on paleoecology and taphonomy is accepted. Although theJehol fossils are mainly preserved in two types of sedimentary rocks, there are various types of preservation with a complex mechanism that remains to be understood. New discoveries of significant taxa from the Jehol Biota, with an updated introduction of its diversity, confirm that the Jehol Biota represents one of themost diversified biotas of the Mesozoic. The evolutionary significance of major biological groups (e.g. dinosaurs, birds, mammals, pterosaurs, insects, and plants) is discussed mainly in the light of recent discoveries, and some of the most remarkable aspects of the biota are highlighted. The global and local geological, paleogeographic, and paleoenvironmental background of the Jehol Biota have contributed to the unique composition, evolution, and preservation of the biota, demonstrating widespread faunal exchanges between Asia and other continents caused by the presence of the Eurasia–North American continental mass and its link to South America, and confirming northeastern China as the origin and diversification center fora variety of Cretaceous biological groups. Although some progress has been made on the reconstruction of the paleotemperature at the time of the Jehol Biota, much more work is needed to confirm a possible link between the remarkable diversity of the biota and the cold intervals during the Early Cretaceous. -
An Unusual New Genus of Istiodactylid Pterosaur from China Based on a Near Complete Specimen
Palaeontologia Electronica palaeo-electronica.org An unusual new genus of istiodactylid pterosaur from China based on a near complete specimen David W. E. Hone, Adam J. Fitch, Feimin Ma, and Xing Xu ABSTRACT A new genus and species of istiodactylid pterosaur, Luchibang xingzhe gen. et sp. nov., from the Lower Cretaceous Yixian Formation of China is erected based on a near complete specimen lacking only the posterior of the skull and the tail. The holotype individual is skeletally immature and already bigger than most istiodactylids suggesting a large wingspan at adult. This is the most complete istiodactylid specimen known to date and provides new information on the anatomy of this group and their putative ecology. The animal is unusual in having postcranial robust and elongate hindlimbs, which marks it as different to other istiodactylids and other pteranodontoids. David W. E. Hone. Queen Mary University of London, Mile End Road, London, E1 4NS, UK. [email protected] Adam J. Fitch. Department of Geosciences, University of Wisconsin-Madison, 1215 West Dayton St, Madison, Wisconsin 53105, USA. [email protected] Feimin Ma. School of the Earth Sciences and Resources, China University of Geosciences, 28 Xueyuan Road, Haidian District, 100083 Beijing, China. [email protected] Xing Xu. Institute of Vertebrate Palaeontology and Palaeoanthropology, Xizhimenwai Dajie 142, 100044 Beijing, China. [email protected] and CAS Center of Excellence in Life and Paleoenvironment, Beijing, 100044, China. Key words: Pterosauria; phylogeny; taxonomy; ecology, new genus, new species Submission: 1 August 2019. Acceptance: 12 February 2020. INTRODUCTION al., 2008; Witton, 2013). While a number of genera have been described, most specimens are highly Istiodactylids are a clade of typically medium- incomplete, and large parts of the postcrania are sized (2-5 m in wingspan), pteranodontoid ptero- poorly known or unknown. -
Is Our Understanding of Santana Group Pterosaur Diversity Biased by Poor Biological and Stratigraphic Control?
Anhanguera taxonomy revisited: is our understanding of Santana Group pterosaur diversity biased by poor biological and stratigraphic control? Felipe L. Pinheiro1 and Taissa Rodrigues2 1 Laboratório de Paleobiologia, Universidade Federal do Pampa, São Gabriel, RS, Brazil 2 Departamento de Ciências Biológicas, Universidade Federal do Espírito Santo, Vitória, ES, Brazil ABSTRACT Background. Anhanguerids comprise an important clade of pterosaurs, mostly known from dozens of three-dimensionally preserved specimens recovered from the Lower Cretaceous Romualdo Formation (northeastern Brazil). They are remarkably diverse in this sedimentary unit, with eight named species, six of them belonging to the genus Anhanguera. However, such diversity is likely overestimated, as these species have been historically diagnosed based on subtle differences, mainly based on the shape and position of the cranial crest. In spite of that, recently discovered pterosaur taxa represented by large numbers of individuals, including juveniles and adults, as well as presumed males and females, have crests of sizes and shapes that are either ontogenetically variable or sexually dimorphic. Methods. We describe in detail the skull of one of the most complete specimens referred to Anhanguera, AMNH 22555, and use it as a case study to review the diversity of anhanguerids from the Romualdo Formation. In order to accomplish that, a geometric morphometric analysis was performed to assess size-dependent characters with respect to the premaxillary crest in the 12 most complete skulls bearing crests that are referred in, or related to, this clade, almost all of them analyzed first hand. Results. Geometric morphometric regression of shape on centroid size was highly Submitted 4 January 2017 statistically significant (p D 0:0091) and showed that allometry accounts for 25.7% Accepted 8 April 2017 Published 4 May 2017 of total shape variation between skulls of different centroid sizes. -
71St Annual Meeting Society of Vertebrate Paleontology Paris Las Vegas Las Vegas, Nevada, USA November 2 – 5, 2011 SESSION CONCURRENT SESSION CONCURRENT
ISSN 1937-2809 online Journal of Supplement to the November 2011 Vertebrate Paleontology Vertebrate Society of Vertebrate Paleontology Society of Vertebrate 71st Annual Meeting Paleontology Society of Vertebrate Las Vegas Paris Nevada, USA Las Vegas, November 2 – 5, 2011 Program and Abstracts Society of Vertebrate Paleontology 71st Annual Meeting Program and Abstracts COMMITTEE MEETING ROOM POSTER SESSION/ CONCURRENT CONCURRENT SESSION EXHIBITS SESSION COMMITTEE MEETING ROOMS AUCTION EVENT REGISTRATION, CONCURRENT MERCHANDISE SESSION LOUNGE, EDUCATION & OUTREACH SPEAKER READY COMMITTEE MEETING POSTER SESSION ROOM ROOM SOCIETY OF VERTEBRATE PALEONTOLOGY ABSTRACTS OF PAPERS SEVENTY-FIRST ANNUAL MEETING PARIS LAS VEGAS HOTEL LAS VEGAS, NV, USA NOVEMBER 2–5, 2011 HOST COMMITTEE Stephen Rowland, Co-Chair; Aubrey Bonde, Co-Chair; Joshua Bonde; David Elliott; Lee Hall; Jerry Harris; Andrew Milner; Eric Roberts EXECUTIVE COMMITTEE Philip Currie, President; Blaire Van Valkenburgh, Past President; Catherine Forster, Vice President; Christopher Bell, Secretary; Ted Vlamis, Treasurer; Julia Clarke, Member at Large; Kristina Curry Rogers, Member at Large; Lars Werdelin, Member at Large SYMPOSIUM CONVENORS Roger B.J. Benson, Richard J. Butler, Nadia B. Fröbisch, Hans C.E. Larsson, Mark A. Loewen, Philip D. Mannion, Jim I. Mead, Eric M. Roberts, Scott D. Sampson, Eric D. Scott, Kathleen Springer PROGRAM COMMITTEE Jonathan Bloch, Co-Chair; Anjali Goswami, Co-Chair; Jason Anderson; Paul Barrett; Brian Beatty; Kerin Claeson; Kristina Curry Rogers; Ted Daeschler; David Evans; David Fox; Nadia B. Fröbisch; Christian Kammerer; Johannes Müller; Emily Rayfield; William Sanders; Bruce Shockey; Mary Silcox; Michelle Stocker; Rebecca Terry November 2011—PROGRAM AND ABSTRACTS 1 Members and Friends of the Society of Vertebrate Paleontology, The Host Committee cordially welcomes you to the 71st Annual Meeting of the Society of Vertebrate Paleontology in Las Vegas. -
Pterosaur Distribution in Time and Space: an Atlas 61
Zitteliana An International Journal of Palaeontology and Geobiology Series B/Reihe B Abhandlungen der Bayerischen Staatssammlung für Pa lä on to lo gie und Geologie B28 DAVID W. E. HONE & ERIC BUFFETAUT (Eds) Flugsaurier: pterosaur papers in honour of Peter Wellnhofer CONTENTS/INHALT Dedication 3 PETER WELLNHOFER A short history of pterosaur research 7 KEVIN PADIAN Were pterosaur ancestors bipedal or quadrupedal?: Morphometric, functional, and phylogenetic considerations 21 DAVID W. E. HONE & MICHAEL J. BENTON Contrasting supertree and total-evidence methods: the origin of the pterosaurs 35 PAUL M. BARRETT, RICHARD J. BUTLER, NICHOLAS P. EDWARDS & ANDREW R. MILNER Pterosaur distribution in time and space: an atlas 61 LORNA STEEL The palaeohistology of pterosaur bone: an overview 109 S. CHRISTOPHER BENNETT Morphological evolution of the wing of pterosaurs: myology and function 127 MARK P. WITTON A new approach to determining pterosaur body mass and its implications for pterosaur fl ight 143 MICHAEL B. HABIB Comparative evidence for quadrupedal launch in pterosaurs 159 ROSS A. ELGIN, CARLOS A. GRAU, COLIN PALMER, DAVID W. E. HONE, DOUGLAS GREENWELL & MICHAEL J. BENTON Aerodynamic characters of the cranial crest in Pteranodon 167 DAVID M. MARTILL & MARK P. WITTON Catastrophic failure in a pterosaur skull from the Cretaceous Santana Formation of Brazil 175 MARTIN LOCKLEY, JERALD D. HARRIS & LAURA MITCHELL A global overview of pterosaur ichnology: tracksite distribution in space and time 185 DAVID M. UNWIN & D. CHARLES DEEMING Pterosaur eggshell structure and its implications for pterosaur reproductive biology 199 DAVID M. MARTILL, MARK P. WITTON & ANDREW GALE Possible azhdarchoid pterosaur remains from the Coniacian (Late Cretaceous) of England 209 TAISSA RODRIGUES & ALEXANDER W. -
ABSTRACTS BOOK Proof 03
1st – 15th December ! 1st International Meeting of Early-stage Researchers in Paleontology / XIV Encuentro de Jóvenes Investigadores en Paleontología st (1December IMERP 1-stXIV-15th EJIP), 2018 BOOK OF ABSTRACTS Palaeontology in the virtual era 4 1st – 15th December ! Ist Palaeontological Virtual Congress. Book of abstracts. Palaeontology in a virtual era. From an original idea of Vicente D. Crespo. Published by Vicente D. Crespo, Esther Manzanares, Rafael Marquina-Blasco, Maite Suñer, José Luis Herráiz, Arturo Gamonal, Fernando Antonio M. Arnal, Humberto G. Ferrón, Francesc Gascó and Carlos Martínez-Pérez. Layout: Maite Suñer. Conference logo: Hugo Salais. ISBN: 978-84-09-07386-3 5 1st – 15th December ! Palaeontology in the virtual era BOOK OF ABSTRACTS 6 4 PRESENTATION The 1st Palaeontological Virtual Congress (1st PVC) is just the natural consequence of the evolution of our surrounding world, with the emergence of new technologies that allow a wide range of communication possibilities. Within this context, the 1st PVC represents the frst attempt in palaeontology to take advantage of these new possibilites being the frst international palaeontology congress developed in a virtual environment. This online congress is pioneer in palaeontology, offering an exclusively virtual-developed environment to researchers all around the globe. The simplicity of this new format, giving international projection to the palaeontological research carried out by groups with limited economic resources (expensive registration fees, travel, accomodation and maintenance expenses), is one of our main achievements. This new format combines the benefts of traditional meetings (i.e., providing a forum for discussion, including guest lectures, feld trips or the production of an abstract book) with the advantages of the online platforms, which allow to reach a high number of researchers along the world, promoting the participation of palaeontologists from developing countries.