CINCINNATIAN GASTROPOD PRIMER by Ron Fine HOW DO SCIENTISTS CLASSIFY GASTROPODS?
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Life Cycle and Early Development of the Thecosomatous Pteropod Limacina Retroversa in the Gulf of Maine, Including the Effect of Elevated CO2 Levels
Life cycle and early development of the thecosomatous pteropod Limacina retroversa in the Gulf of Maine, including the effect of elevated CO2 levels Ali A. Thabetab, Amy E. Maasac*, Gareth L. Lawsona and Ann M. Tarranta a. Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543 b. Zoology Dept., Faculty of Science, Al-Azhar University in Assiut, Assiut, Egypt. c. Bermuda Institute of Ocean Sciences, St. George’s GE01, Bermuda *Corresponding Author, equal contribution with lead author Email: [email protected] Phone: 441-297-1880 x131 Keywords: mollusc, ocean acidification, calcification, mortality, developmental delay Abstract Thecosome pteropods are pelagic molluscs with aragonitic shells. They are considered to be especially vulnerable among plankton to ocean acidification (OA), but to recognize changes due to anthropogenic forcing a baseline understanding of their life history is needed. In the present study, adult Limacina retroversa were collected on five cruises from multiple sites in the Gulf of Maine (between 42° 22.1’–42° 0.0’ N and 69° 42.6’–70° 15.4’ W; water depths of ca. 45–260 m) from October 2013−November 2014. They were maintained in the laboratory under continuous light at 8° C. There was evidence of year-round reproduction and an individual life span in the laboratory of 6 months. Eggs laid in captivity were observed throughout development. Hatching occurred after 3 days, the veliger stage was reached after 6−7 days, and metamorphosis to the juvenile stage was after ~ 1 month. Reproductive individuals were first observed after 3 months. Calcein staining of embryos revealed calcium storage beginning in the late gastrula stage. -
The Paleoecology and Biogeography of Ordovician Edrioasteroids
University of Tennessee, Knoxville TRACE: Tennessee Research and Creative Exchange Doctoral Dissertations Graduate School 8-2011 The Paleoecology and Biogeography of Ordovician Edrioasteroids Rene Anne Lewis University of Tennessee - Knoxville, [email protected] Follow this and additional works at: https://trace.tennessee.edu/utk_graddiss Part of the Paleontology Commons Recommended Citation Lewis, Rene Anne, "The Paleoecology and Biogeography of Ordovician Edrioasteroids. " PhD diss., University of Tennessee, 2011. https://trace.tennessee.edu/utk_graddiss/1094 This Dissertation is brought to you for free and open access by the Graduate School at TRACE: Tennessee Research and Creative Exchange. It has been accepted for inclusion in Doctoral Dissertations by an authorized administrator of TRACE: Tennessee Research and Creative Exchange. For more information, please contact [email protected]. To the Graduate Council: I am submitting herewith a dissertation written by Rene Anne Lewis entitled "The Paleoecology and Biogeography of Ordovician Edrioasteroids." I have examined the final electronic copy of this dissertation for form and content and recommend that it be accepted in partial fulfillment of the requirements for the degree of Doctor of Philosophy, with a major in Geology. Michael L. McKinney, Major Professor We have read this dissertation and recommend its acceptance: Colin D. Sumrall, Linda C. Kah, Arthur C. Echternacht Accepted for the Council: Carolyn R. Hodges Vice Provost and Dean of the Graduate School (Original signatures are on file with official studentecor r ds.) THE PALEOECOLOGY AND BIOGEOGRAPHY OF ORDOVICIAN EDRIOASTEROIDS A Dissertation Presented for the Doctor of Philosophy Degree The University of Tennessee, Knoxville René Anne Lewis August 2011 Copyright © 2011 by René Anne Lewis All rights reserved. -
The Middle Ordovician of the Oslo Region, Norway
NORSK GEOLOGISK TIDSSKRIFT 43 THE MIDDLE ORDOVICIAN OF THE OSLO REGION, NORWAY 15. Monoplacophora and Gastropoda By ELLIS L. Y OCHELSON (Present address: U.S. Geological Survey, Washington 25, D.C., U.S.A.) With 8 plates. Abst rac t. The Middle Ordovician gastropods described by Koken in 1889, 1897 and 1925 are redescribed and reillustrated. Approximately six hundred fifty specimens, including the types, are available from units 4a and 4b. Most specimens are not specifically identifiable; within same superfamilies, many specimens are generically indeterminate. Because well preserved specimens are rare, an apen nomenclature has been employed for most new taxa. The fauna of 4b is slightly more diversified than that of 4a, but both faunas are limited to few species. The preponderant number of specimens come from limestone masses within dark shale. This is considered to be an allocthonous occurrence. Few specimens come from shallow water deposits peripheral to and overlying the dark shales. The faunas of these two facies is different, but the second is so poorly known that no dose comparisons can be made. Several of the forms in the shallow water assemblage are known from single specimens. Less than a dozen specimens of monoplacophorans are known. Pollicina conoidea is transferred to Hypseloconus ?. Palaeoscurria ( ?) norvegica is trans ferred to Archinacella. One new species, Archinacella stoermeri, is described. Lepetopsis inopinata may be an inarticulate brachiopod. The gastropod fauna is composed almost entirely of Archaeogastropoda with Bellerophontacea and Pleurotomariacea constituting the majority of the taxa. Three specimens of Archaeogastropoda? representing three genera are known. Only one caenogastropod is known. -
Advances in MARINE BIOLOGY
Advances in MARINE BIOLOGY VOLUME 46 ThisPageIntentionallyLeftBlank Advances in MARINE BIOLOGY Edited by A. J. SOUTHWARD Marine Biological Association, The Laboratory, Citadel Hill, Plymouth, PL1 2PB, UK P. A. TYLER School of Ocean and Earth Science, University of Southampton, Southampton Oceanography Centre, European Way, Southampton, SO14 3ZH, UK C. M. YOUNG Oregon Institute of Marine Biology, University of Oregon P.O. Box 5389, Charleston, Oregon 97420, USA and L. A. FUIMAN Marine Science Institute, University of Texas at Austin, 750 Channel View Drive, Port Aransas, Texas 78373, USA Amsterdam – Boston – Heidelberg – London – New York – Oxford Paris – San Diego – San Francisco – Singapore – Sydney – Tokyo This book is printed on acid-free paper. ß 2003 Elsevier Science Ltd. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the Publisher. The appearance of the code at the bottom of the first page of a chapter in this book indicates the Publisher’s consent that copies of the chapter may be made for personal or internal use of specific clients. This consent is given on the condition, however, that the copier pay the stated per copy fee through the Copyright Clearance Center, Inc. (222 Rosewood Drive, Danvers, Massachusetts 01923), for copying beyond that permitted by Sections 107 or 108 of the U.S. Copyright Law. This consent does not extend to other kinds of copying, such as copying for general distribution, for advertising or promotional purposes, for creating new collective works, or for resale. -
United States
DEPARTMENT OF THE INTERIOR BULLETIN OF THE UNITED STATES ISTo. 146 WASHINGTON GOVERNMENT Pit IN TING OFFICE 189C UNITED STATES GEOLOGICAL SURVEY CHAKLES D. WALCOTT, DI11ECTOK BIBLIOGRAPHY AND INDEX NORTH AMEEICAN GEOLOGY, PALEONTOLOGY, PETEOLOGT, AND MINERALOGY THE YEA.R 1895 FEED BOUGHTON WEEKS WASHINGTON Cr O V E U N M K N T P K 1 N T I N G OFFICE 1890 CONTENTS. Page. Letter of trail smittal...... ....................... .......................... 7 Introduction.............'................................................... 9 List of publications examined............................................... 11 Classified key to tlio index .......................................... ........ 15 Bibliography ............................................................... 21 Index....................................................................... 89 LETTER OF TRANSMITTAL DEPARTMENT OF THE INTEEIOE, UNITED STATES GEOLOGICAL SURVEY, DIVISION OF GEOLOGY, Washington, D. 0., June 23, 1896. SIR: I have the honor to transmit herewith the manuscript of a Bibliography and Index of North American Geology, Paleontology, Petrology, and Mineralogy for the year 1895, and to request that it be published as a bulletin of the Survey. Very respectfully, F. B. WEEKS. Hon. CHARLES D. WALCOTT, Director United States Geological Survey. 1 BIBLIOGRAPHY AND INDEX OF NORTH AMERICAN GEOLOGY, PALEONTOLOGY, PETROLOGY, AND MINER ALOGY FOR THE YEAR 1895. By FRED BOUGHTON WEEKS. INTRODUCTION. The present work comprises a record of publications on North Ameri can geology, paleontology, petrology, and mineralogy for the year 1895. It is planned on the same lines as the previous bulletins (Nos. 130 and 135), excepting that abstracts appearing in regular periodicals have been omitted in this volume. Bibliography. The bibliography consists of full titles of separate papers, classified by authors, an abbreviated reference to the publica tion in which the paper is printed, and a brief summary of the con tents, each paper being numbered for index reference. -
Canada's Arctic Marine Atlas
CANADA’S ARCTIC MARINE ATLAS This Atlas is funded in part by the Gordon and Betty Moore Foundation. I | Suggested Citation: Oceans North Conservation Society, World Wildlife Fund Canada, and Ducks Unlimited Canada. (2018). Canada’s Arctic Marine Atlas. Ottawa, Ontario: Oceans North Conservation Society. Cover image: Shaded Relief Map of Canada’s Arctic by Jeremy Davies Inside cover: Topographic relief of the Canadian Arctic This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/4.0 or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA. All photographs © by the photographers ISBN: 978-1-7752749-0-2 (print version) ISBN: 978-1-7752749-1-9 (digital version) Library and Archives Canada Printed in Canada, February 2018 100% Carbon Neutral Print by Hemlock Printers © 1986 Panda symbol WWF-World Wide Fund For Nature (also known as World Wildlife Fund). ® “WWF” is a WWF Registered Trademark. Background Image: Phytoplankton— The foundation of the oceanic food chain. (photo: NOAA MESA Project) BOTTOM OF THE FOOD WEB The diatom, Nitzschia frigida, is a common type of phytoplankton that lives in Arctic sea ice. PHYTOPLANKTON Natural history BOTTOM OF THE Introduction Cultural significance Marine phytoplankton are single-celled organisms that grow and develop in the upper water column of oceans and in polar FOOD WEB The species that make up the base of the marine food Seasonal blooms of phytoplankton serve to con- sea ice. Phytoplankton are responsible for primary productivity—using the energy of the sun and transforming it via pho- web and those that create important seafloor habitat centrate birds, fishes, and marine mammals in key areas, tosynthesis. -
Guide to Fossil C911ecting
Educational Series - 1 ISSN 0544-3083 Guide to Fossil C911ecting ~~1. I ~l in/~~;/~_ Minnesota Minnesota Geological Survey Guide To FossIl Collecting In Minnesota R. K. Hogberg, R. E. Sloan and Sarah Tufford First edition 1965: revised edition 1967: reprinted 1979: reprinted 1985 ISSN 0544-3083 Geologic Time Chart_Minnesota Time Era Period Events in Minnesota Characteristic Life Quaternary 20 ENO· .ofMommals ZOIC 40 Tertiary No record in Minnesota ~ 60 M Sea enters Minnesota from E Cretaceous 100 S West. Deposition of sediments. 0 Z A~ of R.ptil.s 0 Jurassic I No record in Minnesota C Triassic k 200 Permian Ag.of Pennsylvanian No record in Minnesota Amphibians ..~ Mississippian ~ ~ ~ P Sea enters Minnesota from 300 Devonian "-() South. Deposition of sediments. .. A .~ L ~ . Silurian No record in Minnesota Ag. of Corals E 0 • of Straight 400 Ordovician Seas cover Minnesota at intervals. Z c_~ 0 I C Cambrian Deposition of sediments. A~ of Trilobit.s ~ Lava flows and deposition of sediments. PRECAMBRIAN Deposition of iron-rich sediments. First r.cord oIl,f. 4 \12 billion years lang Formation of mountains and igneous intrusions. Guide To FOSJt'l Colletting In Minnesota FoSSILS tell us what life was like on earth in ancient geologic time. A fossil clam, for example, lived on a sea bottom much as its modern relatives do. By finding many fossil clams, we can deter mine the extent of a prehistoric sea. Fossils also indicate the climates of the geologic past. Fossils show us that life on earth has not always been the same. In fact primitive algae and bacteria have given rise to reptile s, mammals, and finally to man. -
Introduction. First Biennial Report of the Progress Sketch of the History of Geology of the in Michigan
Text extracted from a scan by Google Book Search. INTRODUCTION. FIRST BIENNIAL REPORT OF THE PROGRESS SKETCH OF THE HISTORY OF GEOLOGY OF THE IN MICHIGAN. GEOLOGICAL SURVEY OF MICHIGAN, Before entering upon the consideration of the subjects EMBRACING OBSERVATIONS ON THE strictly belonging to this Report, a brief notice of what GEOLOGY, ZOÖLOGY, AND BOTANY has heretofore been done in developing the Geology of Michigan, will undoubtedly be acceptable to the people OF THE of our State. LOWER PENINSULA The explorations and discoveries of the Jesuit Missionaries, prosecuted for many years along the borders of the great Lakes, may be passed over as too MADE TO THE GOVERNOR, DECEMBER 31, 1860. remotely connected with the history of Geology in BY AUTHORITY. Michigan, to justify their introduction into the present report. The record of the wonderful labors and LANSING: sufferings of these early christian missionaries, may be Hosmer & Kerr, Printers to the State. found embodied in the numerous volumes of a work 1861. entitled, “Relations de ce que s’est passe de plus Digitized by Google remarquable aux Missions des peres de la compagnie de Jesus, en la Nouvelle France.”* A condensed sketch REPORT OF THE STATE GEOLOGIST. derived from this source, is given in Foster and Whitney’s “Report on the. Geology and Topography of a portion of the Lake Superior Land District, in the State of TO HIS EXCELLENCY MOSES WISNER, Michigan, Part I.” Governor of the State of Michigan: The existence of copper in considerable quantity, upon the shores of Lake Superior, had all along attracted the I have the honor to submit herewith, the Report required attention of the Missionaries. -
(Strombus Gigas) in Colombia
NDF WORKSHOP CASE STUDIES WG 9 – Aquatic Invertebrates CASE STUDY 3 Strombus gigas Country – COLOMBIA Original language – English NON-DETRIMENTAL FINDINGS FOR THE QUEEN CONCH (STROMBUS GIGAS) IN COLOMBIA AUTHORS: Martha Prada1 Erick Castro2 Elizabeth Taylor1 Vladimir Puentes3 Richard Appeldoorn4 Nancy Daves5 1 CORALINA 2 Secretaria de Agricultura y Pesca 3 Ministerio de Medio Ambiente, Vivienda y Desarrollo Territorial 4 Universidad Puerto Rico – Caribbean Coral Reef Institute 5 NOAA Fisheries I. BACKGROUND INFORMATION ON THE TAXA The queen conch (Strombus gigas) has been a highly prized species since pre-Columbian times, dating the period of the Arawak and Carib Indians. Early human civilizations utilized the shell as a horn for reli- gious ceremonies, for trade and ornamentation such as bracelets, hair- pins, and necklaces. Archeologists have also found remnants of conch shell pieces that were used as tools, possibly to hollow out large trees once used as canoes (Brownell and Stevely 1981). The earliest record of commercial harvest and inter-island trade extend from the mid 18th century, when dried conch meat was shipped from the Turks and Caicos Islands to the neighboring island of Hispaniola (Ninnes 1984). In Colombia, queen conch constitutes one of the most important Caribbean fisheries, it is second in value, after the spiny lobster. The oceanic archipelago of San Andrés, Providence and Santa Catalina pro- duces more than 95% country’s total production of this species. This fishery began in the 1970´s when the continental-shelf archipelagos of San Bernardo and Rosario, following full exploitation were quickly depleted due to a lack of effective management (Mora 1994). -
Mollusca, Archaeogastropoda) from the Northeastern Pacific
Zoologica Scripta, Vol. 25, No. 1, pp. 35-49, 1996 Pergamon Elsevier Science Ltd © 1996 The Norwegian Academy of Science and Letters Printed in Great Britain. All rights reserved 0300-3256(95)00015-1 0300-3256/96 $ 15.00 + 0.00 Anatomy and systematics of bathyphytophilid limpets (Mollusca, Archaeogastropoda) from the northeastern Pacific GERHARD HASZPRUNAR and JAMES H. McLEAN Accepted 28 September 1995 Haszprunar, G. & McLean, J. H. 1995. Anatomy and systematics of bathyphytophilid limpets (Mollusca, Archaeogastropoda) from the northeastern Pacific.—Zool. Scr. 25: 35^9. Bathyphytophilus diegensis sp. n. is described on basis of shell and radula characters. The radula of another species of Bathyphytophilus is illustrated, but the species is not described since the shell is unknown. Both species feed on detached blades of the surfgrass Phyllospadix carried by turbidity currents into continental slope depths in the San Diego Trough. The anatomy of B. diegensis was investigated by means of semithin serial sectioning and graphic reconstruction. The shell is limpet like; the protoconch resembles that of pseudococculinids and other lepetelloids. The radula is a distinctive, highly modified rhipidoglossate type with close similarities to the lepetellid radula. The anatomy falls well into the lepetelloid bauplan and is in general similar to that of Pseudococculini- dae and Pyropeltidae. Apomorphic features are the presence of gill-leaflets at both sides of the pallial roof (shared with certain pseudococculinids), the lack of jaws, and in particular many enigmatic pouches (bacterial chambers?) which open into the posterior oesophagus. Autapomor- phic characters of shell, radula and anatomy confirm the placement of Bathyphytophilus (with Aenigmabonus) in a distinct family, Bathyphytophilidae Moskalev, 1978. -
The Space Between: How We Understood, Valued, and Governed the Ocean Through the Process of Marine Science and Emerging Technologies
AN ABSTRACT OF THE THESIS OF Samantha Newton for the degree of Master of Arts in Environmental Arts and Humanities presented on December 11, 2018. Title: The Space Between: How We Understood, Valued, and Governed the Ocean Through the Process of Marine Science and Emerging Technologies Abstract approved: ______________________________________________________ Jacob Darwin Hamblin Ian Angell, in the New Barbarian Manifesto, wrote “A ‘brave new world’ is being forced upon unsuspecting societies by advances in information technology.” It would seem then, that technological advances happen automatically and have a life of their own. There is a logic to technological advancements that is outside human control, so people tend to react to and accommodate technological change, rather than try to reverse or redirect it. Angell’s idea draws a line between two academic theories—either technology shapes people (technological determinism) or people shape technology (social constructionism). Although other scholars, like Tommy Tranvik and Bruno Latour, propose a hybrid approach to understanding the role of science and technology in contemporary culture. Tranvik argues that merging determinism and constructionism can show a more accurate depiction of reality, and in Aramis, or The Love of Technology Latour illustrates that technology and society co-develop. The combination of these two claims is a good starting point to further understand the powerful process of knowledge production, as it shapes and is shaped by the sciences, emerging technology, resource management, and environmental value. This thesis argues that a reflexive relationship unfolded between the use of pteropods in the sciences, and their role in popular representation. Marine researchers assigned value to pteropods according to their research goals and the technologies available, which constrained the questions researchers asked about pteropods. -
Volume 23 Number 1 March 2020
FRESHWATER MOLLUSK BIOLOGY AND CONSERVATION THE JOURNAL OF THE FRESHWATER MOLLUSK CONSERVATION SOCIETY VOLUME 23 NUMBER 1 MARCH 2020 Pages 1-17 Pages 25-35 Expanding the known ranges of the Provenance and disposition of specimens phreatic snails (Mollusca, Gastropoda, appearing in color plates of the Freshwater Cochliopidae) of Texas, USA Mussels of Tennessee Dominique Alvear, Peter H. Diaz, J. Gerald R. Dinkins Randy Gibson, Benjamin T. Hutchins, Benjamin Schwartz, and Kathryn E. Pages 36-41 Perez Freshwater mussel assemblage structure in a small Edwards Plateau impoundment Pages 18-24 with comments on conservation Mesohabitat associations of the Devil implications for Texas Fatmucket, Lampsilis Tryonia, Tryonia diaboli (Gastropoda: bracteata (Gould 1855) Truncatelloidea: Cochliopidae) Kyle T. Sullivan and Bradley M. Littrell Peter H. Diaz, Dominique Alvear, and Kathryn E. Perez Pages 42-54 Transgenerational effects of copper on a freshwater gastropod, Planorbella pilsbryi Rebecca K. Osborne, Patricia L. Gillis, and Ryan S. Prosser Freshwater Mollusk Biology and Conservation 23:1–17, 2020 Ó Freshwater Mollusk Conservation Society 2020 REGULAR ARTICLE EXPANDING THE KNOWN RANGES OF THE PHREATIC SNAILS (MOLLUSCA, GASTROPODA, COCHLIOPIDAE) OF TEXAS, USA Dominique Alvear1#, Peter H. Diaz2, J. Randy Gibson3, Benjamin T. Hutchins4, Benjamin Schwartz4,5, and Kathryn E. Perez1#* 1 Department of Biology, University of Texas Rio Grande Valley, Edinburg, TX 78542 USA 2 Texas Fish and Wildlife Conservation Office, United States Fish and Wildlife Service, San Marcos, TX 78666 USA 3 Aquatic Resources Center, United States Fish and Wildlife Service, San Marcos, TX 78666 USA 4 Edwards Aquifer Research and Data Center, Texas State University, San Marcos, TX 78666 USA 5 Department of Biology, Texas State University, San Marcos, TX 78666 USA ABSTRACT The Edwards-Trinity Aquifer System of Texas, USA, one of the world’s most ecologically diverse groundwater systems, contains 14 species (across seven genera) of small, poorly studied freshwater snails.