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(Echinodermata: Holothuroidea) from the Latest Cretaceous Of
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Universität München: Elektronischen Publikationen 285 Zitteliana 89 Short Communication First report of sea cucumbers (Echinodermata: Holothuroidea) from the latest Cretaceous of Paläontologie Bayerische Bavaria,GeoBio- Germany & Geobiologie Center Staatssammlung 1,2,3 LMU München für Paläontologie und Geologie LMUMike MünchenReich 1 n München, 01.07.2017 SNSB - Bayerische Staatssammlung für Paläontologie und Geologie, Richard-Wagner-Straße 10, 80333 Munich, Germany 2 n Manuscript received Ludwig-Maximilians-Universität München, Department für Geo- und Umweltwissenschaften, 30.12.2016; revision ac- Paläontologie und Geobiologie, Richard-Wagner-Straße 10, 80333 Munich, Germany 3 cepted 21.01.2017 GeoBio-Center der Ludwig-Maximilians-Universität München, Richard-Wagner-Straße 10, 80333 Munich, Germany n ISSN 0373-9627 E-mail: [email protected] n ISBN 978-3-946705-00-0 Zitteliana 89, 285–289. Key words: fossil Holothuroidea; Cretaceous; Maastrichtian; Bavaria; Germany Schüsselwörter: fossile Holothuroidea; Kreide; Maastrichtium; Bayern; Deutschland The Bavarian Gerhardtsreit Formation (‶Gerhardts- 1993; Smith 2004) due to different reasons (Reich reiter Mergel″ / ‶Gerhardtsreiter Schichten″; cf. 2013). There are nearly 1,700 valid extant sea cucum- Böhm 1891; Hagn 1960; Wagreich et al. 2004), also ber species (Smiley 1994; Kerr 2003; Paulay pers. known as Gerhartsreit Formation (‶Gerhartsreiter comm.) known worldwide. The fossil record (since Schichten″; Hagn et al. 1981, 1992; Schwarzhans the Middle Ordovician; Reich 1999, 2010), by con- 2010; Pollerspöck & Beaury 2014) or ‶Gerhards- trast, is discontinuous in time and recorded ranges reuter Schichten″ (Egger 1899; Hagn & Hölzl 1952; of species with around 1,000 reported forms (Reich de Klasz 1956; Herm 1979, 2000) is exposed in Up- 2013, 2014, 2015b) since the early 19th century. -
Behavioral Modeling of Coordinated Movements in Brittle Stars with a Variable Number of Arms
Title Behavioral modeling of coordinated movements in brittle stars with a variable number of arms Author(s) 脇田, 大輝 Citation 北海道大学. 博士(生命科学) 甲第13957号 Issue Date 2020-03-25 DOI 10.14943/doctoral.k13957 Doc URL http://hdl.handle.net/2115/78055 Type theses (doctoral) File Information Daiki_WAKITA.pdf Instructions for use Hokkaido University Collection of Scholarly and Academic Papers : HUSCAP Behavioral modeling of coordinated movements in brittle stars with a variable number of arms (腕数に個体差があるクモヒトデの協調運動の行動モデリング) A doctoral thesis presented to the Biosystems Science Course, Division of Life Science, Graduate School of Life Science, Hokkaido University by Daiki Wakita in March 2020 CONTENTS Acknowledgments -------------------------------------------------------------------------------- 1 1. General introduction ------------------------------------------------------------------------- 2 1.1 Body networks coordinating animal movements --------------------------------- 2 1.2 Morphological variation and movement coordination --------------------------- 4 1.3 Number of rays in echinoderms ---------------------------------------------------- 5 1.4 Aims of this study -------------------------------------------------------------------- 8 2. Locomotion of Ophiactis brachyaspis ---------------------------------------------------- 9 2.1 Introduction ------------------------------------------------------------------------- 10 2.2 Materials and methods ------------------------------------------------------------- 14 2.2.1 Animals ---------------------------------------------------------------------- -
Echinoderms in Sagami Bay : Past and Present Studies
Title Echinoderms in Sagami Bay : Past and Present Studies Author(s) Fujita, Toshihiko Edited by Hisatake Okada, Shunsuke F. Mawatari, Noriyuki Suzuki, Pitambar Gautam. ISBN: 978-4-9903990-0-9, 117- Citation 123 Issue Date 2008 Doc URL http://hdl.handle.net/2115/38447 Type proceedings Note International Symposium, "The Origin and Evolution of Natural Diversity". 1‒5 October 2007. Sapporo, Japan. File Information p117-123-origin08.pdf Instructions for use Hokkaido University Collection of Scholarly and Academic Papers : HUSCAP Echinoderms in Sagami Bay: Past and Present Studies Toshihiko Fujita* National Museum of Nature and Science, Tokyo, Japan ABSTRACT Many taxonomically important echinoderms have been collected from Sagami Bay in the 130 years since German biologist Ludwig Döderlein discovered the extraordinarily diverse marine fau- na of the bay. Four large and historically important echinoderm collections exist from previous taxonomical surveys of Sagami Bay. Recently, the National Museum of Nature and Science col- lected additional echinoderm material from Sagami Bay. For some taxa of echinoderms, compila- tion of lists of species occurring in Sagami Bay is almost complete based on the results of both historical and recent collections. However, despite this long research history, there are still taxo- nomical problems among echinoderms, and we need further study to elucidate the echinoderm fauna of Sagami Bay. Keywords: Echinodermata, Collection, Research history, Taxonomy, Fauna of marine animals. I focus on 5 major taxonomical -
DOGAMI Open-File Report O-86-06, the State of Scientific
"ABLE OF CONTENTS Page INTRODUCTION ..~**********..~...~*~~.~...~~~~1 GORDA RIDGE LEASE AREA ....................... 2 RELATED STUDIES IN THE NORTH PACIFIC .+,...,. 5 BYDROTHERMAL TEXTS ........................... 9 34T.4 GAPS ................................... r6 ACKNOWLEDGEMENT ............................. I8 APPENDIX 1. Species found on the Gorda Ridge or within the lease area . .. .. .. .. .. 36 RPPENDiX 2. Species found outside the lease area that may occur in the Gorda Ridge Lease area, including hydrothermal vent organisms .................................55 BENTHOS THE STATE OF SCIENTIFIC INFORMATION RELATING TO THE BIOLOGY AND ECOLOGY 3F THE GOUDA RIDGE STUDY AREA, NORTZEAST PACIFIC OCEAN: INTRODUCTION Presently, only two published studies discuss the ecology of benthic animals on the Gorda Sidge. Fowler and Kulm (19701, in a predominantly geolgg isal study, used the presence of sublittor31 and planktsnic foraminiferans as an indication of uplift of tfie deep-sea fioor. Their resuits showed tiac sedinenta ana foraminiferans are depositea in the Zscanaba Trough, in the southern part of the Corda Ridge, by turbidity currents with a continental origin. They list 22 species of fararniniferans from the Gorda Rise (See Appendix 13. A more recent study collected geophysical, geological, and biological data from the Gorda Ridge, with particular emphasis on the northern part of the Ridge (Clague et al. 19843. Geological data suggest the presence of widespread low-temperature hydrothermal activity along the axf s of the northern two-thirds of the Corda 3idge. However, the relative age of these vents, their present activity and presence of sulfide deposits are currently unknown. The biological data, again with an emphasis on foraminiferans, indicate relatively high species diversity and high density , perhaps assoc iated with widespread hydrotheraal activity. -
Early Stalked Stages in Ontogeny of the Living Isocrinid Sea Lily Metacrinus Rotundus
Published for The Royal Swedish Academy of Sciences and The Royal Danish Academy of Sciences and Letters Acta Zoologica (Stockholm) 97: 102–116 (January 2016) doi: 10.1111/azo.12109 Early stalked stages in ontogeny of the living isocrinid sea lily Metacrinus rotundus Shonan Amemiya,1,2,3 Akihito Omori,4 Toko Tsurugaya,4 Taku Hibino,5 Masaaki Yamaguchi,6 Ritsu Kuraishi,3 Masato Kiyomoto2 and Takuya Minokawa7 Abstract 1Department of Integrated Biosciences, Amemiya,S.,Omori,A.,Tsurugaya,T.,Hibino,T.,Yamaguchi,M.,Kuraishi,R., Graduate School of Frontier Sciences, The Kiyomoto,M.andMinokawa,T.2016.Earlystalkedstagesinontogenyoftheliving University of Tokyo, Kashiwa, Chiba, isocrinid sea lily Metacrinus rotundus. — Acta Zoologica (Stockholm) 97: 102–116. 277-8526, Japan; 2Marine and Coastal Research Center, Ochanomizu University, The early stalked stages of an isocrinid sea lily, Metacrinus rotundus,wereexam- Ko-yatsu, Tateyama, Chiba, 294-0301, ined up to the early pentacrinoid stage. Larvae induced to settle on bivalve shells 3 Japan; Research and Education Center of and cultured in the laboratory developed into late cystideans. Three-dimensional Natural Sciences, Keio University, Yoko- (3D) images reconstructed from very early to middle cystideans indicated that hama, 223-8521, Japan; 4Misaki Marine 15 radial podia composed of five triplets form synchronously from the crescent- Biological Station, Graduate School of Sci- ence, The University of Tokyo, Misaki, shaped hydrocoel. The orientation of the hydrocoel indicated that the settled Kanagawa, 238-0225, Japan; 5Faculty of postlarvae lean posteriorly. In very early cystideans, the orals, radials, basals and Education, Saitama University, 255 Shim- infrabasals, with five plates each in the crown, about five columnals in the stalk, o-Okubo, Sakura-ku, Saitama City, 338- and five terminal stem plates in the attachment disc, had already formed. -
Encrinus Liliiformis (Echinodermata: Crinoidea)
RESEARCH ARTICLE Computational Fluid Dynamics Analysis of the Fossil Crinoid Encrinus liliiformis (Echinodermata: Crinoidea) Janina F. Dynowski1,2, James H. Nebelsick2*, Adrian Klein3, Anita Roth-Nebelsick1 1 Staatliches Museum für Naturkunde Stuttgart, Stuttgart, Germany, 2 Fachbereich Geowissenschaften, Eberhard Karls Universität Tübingen, Tübingen, Germany, 3 Institut für Zoologie, Rheinische Friedrich- Wilhelms-Universität Bonn, Bonn, Germany * [email protected] a11111 Abstract Crinoids, members of the phylum Echinodermata, are passive suspension feeders and catch plankton without producing an active feeding current. Today, the stalked forms are known only from deep water habitats, where flow conditions are rather constant and feeding OPEN ACCESS velocities relatively low. For feeding, they form a characteristic parabolic filtration fan with their arms recurved backwards into the current. The fossil record, in contrast, provides a Citation: Dynowski JF, Nebelsick JH, Klein A, Roth- Nebelsick A (2016) Computational Fluid Dynamics large number of stalked crinoids that lived in shallow water settings, with more rapidly Analysis of the Fossil Crinoid Encrinus liliiformis changing flow velocities and directions compared to the deep sea habitat of extant crinoids. (Echinodermata: Crinoidea). PLoS ONE 11(5): In addition, some of the fossil representatives were possibly not as flexible as today’s cri- e0156408. doi:10.1371/journal.pone.0156408 noids and for those forms alternative feeding positions were assumed. One of these fossil Editor: Stuart Humphries, University of Lincoln, crinoids is Encrinus liliiformis, which lived during the middle Triassic Muschelkalk in Central UNITED KINGDOM Europe. The presented project investigates different feeding postures using Computational Received: August 24, 2015 Fluid Dynamics to analyze flow patterns forming around the crown of E. -
Biodiversidad De Los Equinodermos (Echinodermata) Del Mar Profundo Mexicano
Biodiversidad de los equinodermos (Echinodermata) del mar profundo mexicano Francisco A. Solís-Marín,1 A. Laguarda-Figueras,1 A. Durán González,1 A.R. Vázquez-Bader,2 Adolfo Gracia2 Resumen Nuestro conocimiento de la diversidad del mar profundo en aguas mexicanas se limita a los escasos estudios existentes. El número de especies descritas es incipiente y los registros taxonómicos que existen provienen sobre todo de estudios realizados por ex- tranjeros y muy pocos por investigadores mexicanos, con los cuales es posible conjuntar algunas listas faunísticas. Es importante dar a conocer lo que se sabe hasta el momen- to sobre los equinodermos de las zonas profundas de México, información básica para diversos sectores en nuestro país, tales como los tomadores de decisiones y científicos interesados en el tema. México posee hasta el momento 643 especies de equinoder- mos reportadas en sus aguas territoriales, aproximadamente el 10% del total de las especies reportadas en todo el planeta (~7,000). Según los registros de la Colección Nacional de Equinodermos (ICML, UNAM), la Colección de Equinodermos del “Natural History Museum, Smithsonian Institution”, Washington, DC., EUA y la bibliografía revisa- 1 Colección Nacional de Equinodermos “Ma. E. Caso Muñoz”, Laboratorio de Sistemá- tica y Ecología de Equinodermos, Instituto de Ciencias del Mar y Limnología (ICML), Universidad Nacional Autónoma de México (UNAM). Apdo. Post. 70-305, México, D. F. 04510, México. 2 Laboratorio de Ecología Pesquera de Crustáceos, Instituto de Ciencias del Mar y Lim- nología (ICML), (UNAM), Apdo. Postal 70-305, México D. F., 04510, México. 215 da, existen 348 especies de equinodermos que habitan las aguas profundas mexicanas (≥ 200 m) lo que corresponde al 54.4% del total de las especies reportadas para el país. -
Community Structure, Diversity, and Distribution Patterns of Sea Cucumber
Community structure, diversity, and distribution patterns of sea cucumber (Holothuroidea) in the coral reef area of Sapeken Islands, Sumenep Regency, Indonesia 1Abdulkadir Rahardjanto, 2Husamah, 2Samsun Hadi, 1Ainur Rofieq, 2Poncojari Wahyono 1 Biology Education, Postgraduate Directorate, Universitas Muhammadiyah Malang, Malang, East Java, Indonesia; 2 Biology Education, Faculty of Teacher Training and Education, Universitas Muhammadiyah Malang, Malang, Indonesia. Corresponding author: A. Rahardjanto, [email protected] Abstract. Sea cucumbers (Holothuroidea) are one of the high value marine products, with populations under very critical condition due to over exploitation. Data and information related to the condition of sea cucumber communities, especially in remote islands, like the Sapeken Islands, Sumenep Regency, East Java, Indonesia, is still very limited. This study aimed to determine the species, community structure (density, frequency, and important value index), species diversity index, and distribution patterns of sea cucumbers found in the reef area of Sapeken Islands, using a quantitative descriptive study. This research was conducted in low tide during the day using the quadratic transect method. Data was collected by making direct observations of the population under investigation. The results showed that sea cucumbers belonged to 11 species, from 2 orders: Aspidochirotida, with the species Holothuria hilla, Holothuria fuscopunctata, Holothuria impatiens, Holothuria leucospilota, Holothuria scabra, Stichopus horrens, Stichopus variegates, Actinopyga lecanora, and Actinopyga mauritiana and order Apodida, with the species Synapta maculata and Euapta godeffroyi. The density ranged from 0.162 to 1.37 ind m-2, and the relative density was between 0.035 and 0.292 ind m-2. The highest density was found for H. hilla and the lowest for S. -
Predation, Resistance, and Escalation in Sessile Crinoids
Predation, resistance, and escalation in sessile crinoids by Valerie J. Syverson A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Geology) in the University of Michigan 2014 Doctoral Committee: Professor Tomasz K. Baumiller, Chair Professor Daniel C. Fisher Research Scientist Janice L. Pappas Professor Emeritus Gerald R. Smith Research Scientist Miriam L. Zelditch © Valerie J. Syverson, 2014 Dedication To Mark. “We shall swim out to that brooding reef in the sea and dive down through black abysses to Cyclopean and many-columned Y'ha-nthlei, and in that lair of the Deep Ones we shall dwell amidst wonder and glory for ever.” ii Acknowledgments I wish to thank my advisor and committee chair, Tom Baumiller, for his guidance in helping me to complete this work and develop a mature scientific perspective and for giving me the academic freedom to explore several fruitless ideas along the way. Many thanks are also due to my past and present labmates Alex Janevski and Kris Purens for their friendship, moral support, frequent and productive arguments, and shared efforts to understand the world. And to Meg Veitch, here’s hoping we have a chance to work together hereafter. My committee members Miriam Zelditch, Janice Pappas, Jerry Smith, and Dan Fisher have provided much useful feedback on how to improve both the research herein and my writing about it. Daniel Miller has been both a great supervisor and mentor and an inspiration to good scholarship. And to the other paleontology grad students and the rest of the department faculty, thank you for many interesting discussions and much enjoyable socializing over the last five years. -
Benthic Field Guide 5.5.Indb
Field Identifi cation Guide to Heard Island and McDonald Islands Benthic Invertebrates Invertebrates Benthic Moore Islands Kirrily and McDonald and Hibberd Ty Island Heard to Guide cation Identifi Field Field Identifi cation Guide to Heard Island and McDonald Islands Benthic Invertebrates A guide for scientifi c observers aboard fi shing vessels Little is known about the deep sea benthic invertebrate diversity in the territory of Heard Island and McDonald Islands (HIMI). In an initiative to help further our understanding, invertebrate surveys over the past seven years have now revealed more than 500 species, many of which are endemic. This is an essential reference guide to these species. Illustrated with hundreds of representative photographs, it includes brief narratives on the biology and ecology of the major taxonomic groups and characteristic features of common species. It is primarily aimed at scientifi c observers, and is intended to be used as both a training tool prior to deployment at-sea, and for use in making accurate identifi cations of invertebrate by catch when operating in the HIMI region. Many of the featured organisms are also found throughout the Indian sector of the Southern Ocean, the guide therefore having national appeal. Ty Hibberd and Kirrily Moore Australian Antarctic Division Fisheries Research and Development Corporation covers2.indd 113 11/8/09 2:55:44 PM Author: Hibberd, Ty. Title: Field identification guide to Heard Island and McDonald Islands benthic invertebrates : a guide for scientific observers aboard fishing vessels / Ty Hibberd, Kirrily Moore. Edition: 1st ed. ISBN: 9781876934156 (pbk.) Notes: Bibliography. Subjects: Benthic animals—Heard Island (Heard and McDonald Islands)--Identification. -
Programm Und Kurzfassungen – Program and Abstracts
1 Zitteliana An International Journal of Palaeontology and Geobiology Series B/Reihe B Abhandlungen der Bayerischen Staatssammlung für Paläontologie und Geologie 29 Paläontologie im Blickpunkt 80. Jahrestagung der Paläontologischen Gesellschaft 5. – 8. Oktober 2010 in München Programm und Kurzfassungen – Program and Abstracts München 2010 Zitteliana B 29 118 Seiten München, 1.10.2010 ISSN 1612-4138 2 Editors-in-Chief/Herausgeber: Gert Wörheide, Michael Krings Mitherausgeberinnen dieses Bandes: Bettina Reichenbacher, Nora Dotzler Production and Layout/Bildbearbeitung und Layout: Martine Focke, Lydia Geissler Bayerische Staatssammlung für Paläontologie und Geologie Editorial Board A. Altenbach, München B.J. Axsmith, Mobile, AL F.T. Fürsich, Erlangen K. Heißig, München H. Kerp, Münster J. Kriwet, Stuttgart J.H. Lipps, Berkeley, CA T. Litt, Bonn A. Nützel, München O.W.M. Rauhut, München B. Reichenbacher, München J.W. Schopf, Los Angeles, CA G. Schweigert, Stuttgart F. Steininger, Eggenburg Bayerische Staatssammlung für Paläontologie und Geologie Richard-Wagner-Str. 10, D-80333 München, Deutschland http://www.palmuc.de email: [email protected] Für den Inhalt der Arbeiten sind die Autoren allein verantwortlich. Authors are solely responsible for the contents of their articles. Copyright © 2010 Bayerische Staassammlung für Paläontologie und Geologie, München Die in der Zitteliana veröffentlichten Arbeiten sind urheberrechtlich geschützt. Nachdruck, Vervielfältigungen auf photomechanischem, elektronischem oder anderem Wege sowie -
Experimental Neoichnology of Crawling Stalked Crinoids
Swiss Journal of Palaeontology https://doi.org/10.1007/s13358-018-0158-9 (0123456789().,-volV)(0123456789().,-volV) REGULAR RESEARCH ARTICLE Experimental neoichnology of crawling stalked crinoids 1,2 3 4 1,2 5 Krzysztof R. Brom • Kazumasa Oguri • Tatsuo Oji • Mariusz A. Salamon • Przemysław Gorzelak Received: 13 June 2018 / Accepted: 5 July 2018 Ó The Author(s) 2018 Abstract Stalked crinoids have long been considered sessile. In the 1980s, however, observations both in the field and of laboratory experiments proved that some of them (isocrinids) can actively relocate by crawling with their arms on the substrate, and dragging the stalk behind them. Although it has been argued that this activity may leave traces on the sediment surface, no photographs or images of the traces produced by crawling crinoids have been available. Herein, we present results of neoichnological experiments using the shallowest species of living stalked crinoid, Metacrinus rotundus, dredged from Suruga Bay (near the town of Numazu, Shizuoka Prefecture, * 140 m depth). Our results demonstrate that isocrinids produce characteristic locomotion traces, which have some preservation potential. They are composed of rather deep and wide, sometimes weakly sinuous, central drag marks left by the stalk and cirri, and short, shallow scratch marks made by the arms. Based on the functional morphology and taphonomy, it has been argued that the ability to autotomize the stalk and relocate had already evolved in the oldest stem-group isocrinids (holocrinids), likely in response to increased benthic predation pressure during the so-called Mesozoic marine revolution. Our data show that this hypothesis may be corrob- orated in the future by ichnological findings, which may provide more direct proof of active locomotion in Triassic holocrinids.