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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. -
A New Microvertebrate Assemblage from the Mussentuchit
A new microvertebrate assemblage from the Mussentuchit Member, Cedar Mountain Formation: insights into the paleobiodiversity and paleobiogeography of early Late Cretaceous ecosystems in western North America Haviv M. Avrahami1,2,3, Terry A. Gates1, Andrew B. Heckert3, Peter J. Makovicky4 and Lindsay E. Zanno1,2 1 Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA 2 North Carolina Museum of Natural Sciences, Raleigh, NC, USA 3 Department of Geological and Environmental Sciences, Appalachian State University, Boone, NC, USA 4 Field Museum of Natural History, Chicago, IL, USA ABSTRACT The vertebrate fauna of the Late Cretaceous Mussentuchit Member of the Cedar Mountain Formation has been studied for nearly three decades, yet the fossil-rich unit continues to produce new information about life in western North America approximately 97 million years ago. Here we report on the composition of the Cliffs of Insanity (COI) microvertebrate locality, a newly sampled site containing perhaps one of the densest concentrations of microvertebrate fossils yet discovered in the Mussentuchit Member. The COI locality preserves osteichthyan, lissamphibian, testudinatan, mesoeucrocodylian, dinosaurian, metatherian, and trace fossil remains and is among the most taxonomically rich microvertebrate localities in the Mussentuchit Submitted 30 May 2018 fi fi Accepted 8 October 2018 Member. To better re ne taxonomic identi cations of isolated theropod dinosaur Published 16 November 2018 teeth, we used quantitative analyses of taxonomically comprehensive databases of Corresponding authors theropod tooth measurements, adding new data on theropod tooth morphodiversity in Haviv M. Avrahami, this poorly understood interval. We further provide the first descriptions of [email protected] tyrannosauroid premaxillary teeth and document the earliest North American record of Lindsay E. -
PALEONTOLOGICAL (PLANKTIC FORAMINIFER-OSTRACOD) INVESTIGATION of EOCENE SEQUENCE of KARAMAN REGION Ümit ŞAFAK* ABSTRACT
PALEONTOLOGICAL (PLANKTIC FORAMINIFER-OSTRACOD) INVESTIGATION OF EOCENE SEQUENCE OF KARAMAN REGION Ümit ŞAFAK* ABSTRACT.- The microfauna of Eocene sequence outcropping around Karaman have been investigated. These planktic foraminifers and ostracods were systematically described; also Acarinina bullbrooki planktic foraminifer zone belonging to Lutetian has been determined and this zone was compared with other Eocene planktic foraminifer zones over the world indicat- ing same level. In addition, ostracod species described were stratigraphically and paleogeographically compared with those of other basins. OSTRACOD AND FORAMINIFER ASSEMBLAGES OF TERTIARY SEDIMENTS AT W. BAKIRKÖY (ISTANBUL) Ümit ŞAFAK*. Niyazi AVŞAR* and Engin MERİÇ** ABSTRACT.- The drilling samples taken from the western part of the Bakırköy Basin were investigated, and the microplaeonto- logical data were evaluated. Pliocene, Late Miocene and Late Eocene aged sediments have been observed from top to bottom of drilling, at the results of the laboratory investigation. 14 genera and 25 species from the ostracods and 10 genera and 8 species of benthic foraminifera from the Pliocene sediments: 6 genera and 11 species of ostracods, 9 genera 9 species of ben- thic foraminifera from the Late Miocene deposits and 11 genera and 11 sepices of ostracods and 20 genera and 6 species of benthic foraminifera from the Late Eocene sediments were described. The microfauna of Pliocene sediments consists of Cyprideis seminulum (Reuss), C. pannonica (Mehes), C.anatolica Bassiouni, C. torosa (Jones). C. tuberculata(Mehes). C. tritu- berculata Kristic. C. pontica Kristic are rare, and characteristic for Pontic Basin. In addition, Loxoconcha sp., Semicytherura sp.. Xestoleberis margaritae Mauller, X. ventricosa Mueller. X, reymenti Ruggieri, X. communis Mueller. -
Fossil Mosses: What Do They Tell Us About Moss Evolution?
Bry. Div. Evo. 043 (1): 072–097 ISSN 2381-9677 (print edition) DIVERSITY & https://www.mapress.com/j/bde BRYOPHYTEEVOLUTION Copyright © 2021 Magnolia Press Article ISSN 2381-9685 (online edition) https://doi.org/10.11646/bde.43.1.7 Fossil mosses: What do they tell us about moss evolution? MicHAEL S. IGNATOV1,2 & ELENA V. MASLOVA3 1 Tsitsin Main Botanical Garden of the Russian Academy of Sciences, Moscow, Russia 2 Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia 3 Belgorod State University, Pobedy Square, 85, Belgorod, 308015 Russia �[email protected], https://orcid.org/0000-0003-1520-042X * author for correspondence: �[email protected], https://orcid.org/0000-0001-6096-6315 Abstract The moss fossil records from the Paleozoic age to the Eocene epoch are reviewed and their putative relationships to extant moss groups discussed. The incomplete preservation and lack of key characters that could define the position of an ancient moss in modern classification remain the problem. Carboniferous records are still impossible to refer to any of the modern moss taxa. Numerous Permian protosphagnalean mosses possess traits that are absent in any extant group and they are therefore treated here as an extinct lineage, whose descendants, if any remain, cannot be recognized among contemporary taxa. Non-protosphagnalean Permian mosses were also fairly diverse, representing morphotypes comparable with Dicranidae and acrocarpous Bryidae, although unequivocal representatives of these subclasses are known only since Cretaceous and Jurassic. Even though Sphagnales is one of two oldest lineages separated from the main trunk of moss phylogenetic tree, it appears in fossil state regularly only since Late Cretaceous, ca. -
A Statistical Analysis of Marine Mammal Dispersal Routes Across Major Ocean Regions Using Beta Diversity at the Generic Level
A Statistical Analysis of Marine Mammal Dispersal Routes Across Major Ocean Regions Using Beta Diversity at the Generic Level A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science at George Mason University By Carlos Mauricio Peredo Bachelor of Science Seton Hill University, 2012 Director: Mark D. Uhen, Assistant Professor Department of Atmospheric, Oceanic and Earth Sciences Spring Semester 2015 George Mason University Fairfax, VA Copyright 2015 Carlos Mauricio Peredo All Rights Reserved ii DEDICATION Dedicated to my wonderful parents, Mauricio and Julie Peredo, who left behind everything they knew and started fresh in a foreign land purely in the pursuit of a better life for their children; to my older brother Miguel, whose witty humor, eternal optimism, and fierce loyalty has kept my head above water and a smile on my face throughout countless tribulations; to my younger brother Julio, who has far surpassed us all in talent and intellect, and who inspires me to never stop learning; and most of all, to my loving wife Molly, who has never stopped believing in me and drives me to settle for nothing less than perfection. iii ACKNOWLEDGEMENTS I would like to thank my committee members, Drs. George, Lyons, and Parsons, for their tireless revisions and hard work on my behalf. I would like to thank George Mason University and the Smithsonian Institution for providing the support and inspiration for much of this project. I would like to thank the Paleobiology Database, and all of its contributors, for their ambitious vision and their relentless pursuit of its execution. -
Chapter 1 - Introduction
EURASIAN MIDDLE AND LATE MIOCENE HOMINOID PALEOBIOGEOGRAPHY AND THE GEOGRAPHIC ORIGINS OF THE HOMININAE by Mariam C. Nargolwalla A thesis submitted in conformity with the requirements for the degree of Doctor of Philosophy Graduate Department of Anthropology University of Toronto © Copyright by M. Nargolwalla (2009) Eurasian Middle and Late Miocene Hominoid Paleobiogeography and the Geographic Origins of the Homininae Mariam C. Nargolwalla Doctor of Philosophy Department of Anthropology University of Toronto 2009 Abstract The origin and diversification of great apes and humans is among the most researched and debated series of events in the evolutionary history of the Primates. A fundamental part of understanding these events involves reconstructing paleoenvironmental and paleogeographic patterns in the Eurasian Miocene; a time period and geographic expanse rich in evidence of lineage origins and dispersals of numerous mammalian lineages, including apes. Traditionally, the geographic origin of the African ape and human lineage is considered to have occurred in Africa, however, an alternative hypothesis favouring a Eurasian origin has been proposed. This hypothesis suggests that that after an initial dispersal from Africa to Eurasia at ~17Ma and subsequent radiation from Spain to China, fossil apes disperse back to Africa at least once and found the African ape and human lineage in the late Miocene. The purpose of this study is to test the Eurasian origin hypothesis through the analysis of spatial and temporal patterns of distribution, in situ evolution, interprovincial and intercontinental dispersals of Eurasian terrestrial mammals in response to environmental factors. Using the NOW and Paleobiology databases, together with data collected through survey and excavation of middle and late Miocene vertebrate localities in Hungary and Romania, taphonomic bias and sampling completeness of Eurasian faunas are assessed. -
The Late Miocene Mammalian Fauna of Chorora, Awash Basin
The late Miocene mammalian fauna of Chorora, Awash basin, Ethiopia: systematics, biochronology and 40K-40Ar ages of the associated volcanics Denis Geraads, Zeresenay Alemseged, Hervé Bellon To cite this version: Denis Geraads, Zeresenay Alemseged, Hervé Bellon. The late Miocene mammalian fauna of Chorora, Awash basin, Ethiopia: systematics, biochronology and 40K-40Ar ages of the associated volcanics. Tertiary Research, 2002, 21 (1-4), pp.113-122. halshs-00009761 HAL Id: halshs-00009761 https://halshs.archives-ouvertes.fr/halshs-00009761 Submitted on 24 Mar 2006 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. The late Miocene mammalian fauna of Chorora, Awash basin, Ethiopia: systematics, biochronology and 40K-40Ar ages of the associated volcanics Denis GERAADS - EP 1781 CNRS, 44 rue de l'Amiral Mouchez, 75014 PARIS, France Zeresenay ALEMSEGED - National Museum, P.O.Box 76, Addis Ababa, Ethiopia Hervé BELLON - UMR 6538 CNRS, Université de Bretagne Occidentale, BP 809, 29285 BREST CEDEX, France ABSTRACT New whole-rock 40K-40Ar ages on lava flows bracketing the Chorora Fm, Ethiopia, confirm that its Hipparion-bearing sediments must be in the 10-11 Ma time-range. The large Mammal fauna includes 10 species. -
MAY^JUNE 1976 VOLUME 4, NUMBER 3 Scientific Notes And
3 rpRvw\i*J 4iV V .JLU* A ' MAY^JUNE 1976 VOLUME 4, NUMBER 3 Scientific notes and summaries of investigations in geology, hydrology, and related fields OF THE INTERIOR UNITED STATES DEPARTMENT OF THE INTERIOR THOMAS S. KLEPPE, Secretary GEOLOGICAL SURVEY V. E. McKelvey, Director For sale by the Superintendent of Documents, U.S. Government The Journal of Research is Correspondence and inquiries concerning the Printing Office, Washington, DC published every 2 months by the Journal (other than subscription inquiries and 20402. Annual subscription rate U.S. Geological Survey. It con address changes) should be directed to Anna M. $18.90 (plus $4.75 for foreign tains papers by members of the Orellana, Managing Editor, Journal of Research, mailing). Single copy $3.15. Geological Survey and their pro Publications Division, U.S. Geological Survey, Make checks or money orders fessional colleagues on geologic, 321 National Center, Reston, VA 22092. payable to the Superintendent of hydrologic, topographic, and Documents. other scientific and technical Papers for the Journal should be submitted Send all subscription inquiries subjects. through regular Division publication channels. and address changes to the Su perintendent of Documents at the above address. Purchase orders should not be The Secretary of the Interior has determined that the publication of this periodi sent to the U.S. Geological Sur cal is necessary in the transaction of the public business required by law of this vey library. Department. Use of funds for printing this periodical has been approved by the Library of Congress Catalog- Director of the Office of Management and Budget through June 30, 1980. -
Invertebrate Ichnofossils from the Adamantina Formation (Bauru Basin, Late Cretaceous), Brazil
Rev. bras. paleontol. 9(2):211-220, Maio/Agosto 2006 © 2006 by the Sociedade Brasileira de Paleontologia INVERTEBRATE ICHNOFOSSILS FROM THE ADAMANTINA FORMATION (BAURU BASIN, LATE CRETACEOUS), BRAZIL ANTONIO CARLOS SEQUEIRA FERNANDES Departamento de Geologia e Paleontologia, Museu Nacional, UFRJ, Quinta da Boa Vista, São Cristóvão, 20940-040, Rio de Janeiro, RJ, Brazil. [email protected] ISMAR DE SOUZA CARVALHO Departamento de Geologia, Instituto de Geociências, UFRJ, 21949-900, Cidade Universitária, Rio de Janeiro, RJ, Brazil. [email protected] ABSTRACT – The Bauru Group is a sequence at least 300 m in thickness, of Cretaceous age (Turonian- Maastrichtian), located in southeastern Brazil (Bauru Basin), and consists of three formations, namely Adamantina, Uberaba and Marília. Throughout the Upper Cretaceous, there was an alternation between severely hot dry and rainy seasons, and a diverse fauna and flora was established in the basin. The ichnofossils studied were found in the Adamantina Formation outcrops and were identified as Arenicolites isp., ?Macanopsis isp., Palaeophycus heberti and Taenidium barretti, which reveal the burrowing behavior of the endobenthic invertebrates. There are also other biogenic structures such as plant root traces, coprolites and vertebrate fossil egg nests. The Adamantina Formation (Turonian-Santonian) is a sequence of fine sandstones, mudstones, siltstones and muddy sandstones, whose sediments are interpreted as deposited in exposed channel-bars and floodplains associated areas of braided fluvial environments. Key words: Bauru Basin, ichnofossils, late Cretaceous, continental palaeoenvironments, Adamantina Formation. RESUMO – O Grupo Bauru é uma seqüência de pelo menos 300 m de espessura, de idade cretácica (Turoniano- Maastrichtiano), localizada no Sudeste do Brasil (bacia Bauru), e consiste das formações Adamantina, Uberaba e Marília. -
Agenda Packet
City of Capitola Agenda Mayor: Kristen Petersen Vice Mayor: Yvette Brooks Council Members: Jacques Bertrand Ed Bottorff Sam Storey REVISED CAPITOLA CITY COUNCIL REGULAR MEETING THURSDAY, MAY 28, 2020 7 PM CITY COUNCIL CHAMBERS 420 CAPITOLA AVENUE, CAPITOLA, CA 95010 NOTICE OF REMOTE ACCESS ONLY: In accordance with the current Shelter in Place Order from Santa Cruz County Health Services and Executive Order N-29-20 from the Executive Department of the State of California, the City Council meeting will not be physically open to the public and in person attendance cannot be accommodated. To watch: 1. Online http://capitolaca.iqm2.com/Citizens/Default.aspx 2. Spectrum Cable Television channel 8 3. Zoom Meeting (link and phone numbers below) To participate remotely and make public comment: 1. Send email: a. As always, send additional materials to the City Council via [email protected] by 5 p.m. the Wednesday before the meeting and they will be distributed to agenda recipients. CAPITOLA CITY COUNCIL REGULAR MEETING AGENDA May 28, 2020 b. During the meeting, send comments via email to [email protected] § Identify the item you wish to comment on in your email’s subject line. Emailed comments will be accepted during the Public Comments meeting item and for General Government / Public Hearing items. § Emailed comments on each General Government/ Public Hearing item will be accepted after the start of the meeting until the Mayor announces that public comment for that item is closed. § Emailed comments should be a maximum of 450 words, which corresponds to approximately 3 minutes of speaking time. -
PROGRAMME ABSTRACTS AGM Papers
The Palaeontological Association 63rd Annual Meeting 15th–21st December 2019 University of Valencia, Spain PROGRAMME ABSTRACTS AGM papers Palaeontological Association 6 ANNUAL MEETING ANNUAL MEETING Palaeontological Association 1 The Palaeontological Association 63rd Annual Meeting 15th–21st December 2019 University of Valencia The programme and abstracts for the 63rd Annual Meeting of the Palaeontological Association are provided after the following information and summary of the meeting. An easy-to-navigate pocket guide to the Meeting is also available to delegates. Venue The Annual Meeting will take place in the faculties of Philosophy and Philology on the Blasco Ibañez Campus of the University of Valencia. The Symposium will take place in the Salon Actos Manuel Sanchis Guarner in the Faculty of Philology. The main meeting will take place in this and a nearby lecture theatre (Salon Actos, Faculty of Philosophy). There is a Metro stop just a few metres from the campus that connects with the centre of the city in 5-10 minutes (Line 3-Facultats). Alternatively, the campus is a 20-25 minute walk from the ‘old town’. Registration Registration will be possible before and during the Symposium at the entrance to the Salon Actos in the Faculty of Philosophy. During the main meeting the registration desk will continue to be available in the Faculty of Philosophy. Oral Presentations All speakers (apart from the symposium speakers) have been allocated 15 minutes. It is therefore expected that you prepare to speak for no more than 12 minutes to allow time for questions and switching between presenters. We have a number of parallel sessions in nearby lecture theatres so timing will be especially important. -
When Beremendiin Shrews Disappeared in East Asia, Or How We Can Estimate Fossil Redeposition
Historical Biology An International Journal of Paleobiology ISSN: (Print) (Online) Journal homepage: https://www.tandfonline.com/loi/ghbi20 When beremendiin shrews disappeared in East Asia, or how we can estimate fossil redeposition Leonid L. Voyta , Valeriya E. Omelko , Mikhail P. Tiunov & Maria A. Vinokurova To cite this article: Leonid L. Voyta , Valeriya E. Omelko , Mikhail P. Tiunov & Maria A. Vinokurova (2020): When beremendiin shrews disappeared in East Asia, or how we can estimate fossil redeposition, Historical Biology, DOI: 10.1080/08912963.2020.1822354 To link to this article: https://doi.org/10.1080/08912963.2020.1822354 Published online: 22 Sep 2020. Submit your article to this journal View related articles View Crossmark data Full Terms & Conditions of access and use can be found at https://www.tandfonline.com/action/journalInformation?journalCode=ghbi20 HISTORICAL BIOLOGY https://doi.org/10.1080/08912963.2020.1822354 ARTICLE When beremendiin shrews disappeared in East Asia, or how we can estimate fossil redeposition Leonid L. Voyta a, Valeriya E. Omelko b, Mikhail P. Tiunovb and Maria A. Vinokurova b aLaboratory of Theriology, Zoological Institute, Russian Academy of Sciences, Saint Petersburg, Russia; bFederal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, Russia ABSTRACT ARTICLE HISTORY The current paper first time describes a small Beremendia from the late Pleistocene deposits in the Received 24 July 2020 Koridornaya Cave locality (Russian Far East), which associated with the extinct Beremendia minor. The Accepted 8 September 2020 paper is the first attempt to use a comparative analytical method to evaluate a possible case of redeposition KEYWORDS of fossil remains of this shrew.