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Some Aspects of the Biology of Three Northwestern Atlantic Chitons
University of New Hampshire University of New Hampshire Scholars' Repository Doctoral Dissertations Student Scholarship Spring 1978 SOME ASPECTS OF THE BIOLOGY OF THREE NORTHWESTERN ATLANTIC CHITONS: TONICELLA RUBRA, TONICELLA MARMOREA, AND ISCHNOCHITON ALBUS (MOLLUSCA: POLYPLACOPHORA) PAUL DAVID LANGER University of New Hampshire, Durham Follow this and additional works at: https://scholars.unh.edu/dissertation Recommended Citation LANGER, PAUL DAVID, "SOME ASPECTS OF THE BIOLOGY OF THREE NORTHWESTERN ATLANTIC CHITONS: TONICELLA RUBRA, TONICELLA MARMOREA, AND ISCHNOCHITON ALBUS (MOLLUSCA: POLYPLACOPHORA)" (1978). Doctoral Dissertations. 2329. https://scholars.unh.edu/dissertation/2329 This Dissertation is brought to you for free and open access by the Student Scholarship at University of New Hampshire Scholars' Repository. It has been accepted for inclusion in Doctoral Dissertations by an authorized administrator of University of New Hampshire Scholars' Repository. For more information, please contact [email protected]. INFORMATION TO USERS This material was produced from a microfilm copy of the original document. While the most advanced technological means to photograph and reproduce this document have been used, the quality is heavily dependent upon the quality of the original submitted. The following explanation of techniques is provided to help you understand markings or patterns which may appear on this reproduction. 1.The sign or "target" for pages apparently lacking from the document photographed is "Missing Page(s)". If it was possible to obtain the missing page(s) or section, they are spliced into the film along with adjacent pages. This may have necessitated cutting thru an image and duplicating adjacent pages to insure you complete continuity. 2. When an image on the film is obliterated with a large round black mark, it is an indication that the photographer suspected that the copy may have moved during exposure and thus cause a blurred image. -
The Chiton Radula: a Unique Model for Biomineralization Studies
4 The Chiton Radula: A Unique Model for Biomineralization Studies Lesley R. Brooker1 and Jeremy A. Shaw2 1University of the Sunshine Coast 2Centre for Microscopy, Characterisation & Analysis University of Western Australia Australia 1. Introduction Over the course of evolution, a range of strategies have been developed by different organisms to produce unique materials and structures perfected for their specific function. This biological mastery of materials production has inspired the birth of the new discipline of biomaterials through biomimicry (Birchall, 1989). Chitons (Mollusca: Polyplacophora) are slow moving, bilaterally symmetrical and dorso- ventrally flattened molluscs that are commonly found on hard substrata in intertidal regions of coastlines around the world (Kaas & Jones, 1998). All species are characterized by a series of eight dorsal, articulating shell plates or valves, which may be embedded, to varying degrees, in a fleshy, muscular girdle (Kaas & Jones, 1998) (Figure 1). Approximately 750 living species are known, and while intertidal regions are home to the majority of chitons, a number of species can be found at depths of up to 8000m where they feed on detrital material (Kaas & Jones, 1998). Fig. 1. Photograph of the dorsal surface of the chiton Acanthopleura gaimardi, showing the eight overlapping aragonite plates surrounded by the fleshy girdle, which, in this species, is covered in small aragonite spines. Chitons feed by rasping macro- and micro-algae from the rocks on which they live through the use of a radula. The radula has been coined as a conveyor belt of continuously developing www.intechopen.com 66 Advanced Topics in Biomineralization teeth, replaced by new teeth as they are worn and lost. -
New Zealand's Genetic Diversity
1.13 NEW ZEALAND’S GENETIC DIVERSITY NEW ZEALAND’S GENETIC DIVERSITY Dennis P. Gordon National Institute of Water and Atmospheric Research, Private Bag 14901, Kilbirnie, Wellington 6022, New Zealand ABSTRACT: The known genetic diversity represented by the New Zealand biota is reviewed and summarised, largely based on a recently published New Zealand inventory of biodiversity. All kingdoms and eukaryote phyla are covered, updated to refl ect the latest phylogenetic view of Eukaryota. The total known biota comprises a nominal 57 406 species (c. 48 640 described). Subtraction of the 4889 naturalised-alien species gives a biota of 52 517 native species. A minimum (the status of a number of the unnamed species is uncertain) of 27 380 (52%) of these species are endemic (cf. 26% for Fungi, 38% for all marine species, 46% for marine Animalia, 68% for all Animalia, 78% for vascular plants and 91% for terrestrial Animalia). In passing, examples are given both of the roles of the major taxa in providing ecosystem services and of the use of genetic resources in the New Zealand economy. Key words: Animalia, Chromista, freshwater, Fungi, genetic diversity, marine, New Zealand, Prokaryota, Protozoa, terrestrial. INTRODUCTION Article 10b of the CBD calls for signatories to ‘Adopt The original brief for this chapter was to review New Zealand’s measures relating to the use of biological resources [i.e. genetic genetic resources. The OECD defi nition of genetic resources resources] to avoid or minimize adverse impacts on biological is ‘genetic material of plants, animals or micro-organisms of diversity [e.g. genetic diversity]’ (my parentheses). -
(Polyplacophora: Leptochitonidae) and Its Phylogenetic Affinities
Journal of Systematic Palaeontology 5 (2): 123–132 Issued 25 May 2007 doi:10.1017/S1477201906001982 Printed in the United Kingdom C The Natural History Museum First record of a chiton from the Palaeocene of Denmark (Polyplacophora: Leptochitonidae) and its phylogenetic affinities Julia D. Sigwart National Museum of Ireland, Natural History Division, Merrion Street, Dublin 2, Ireland & School of Biology and Biochemistry, Queens University Belfast, BT7 1NN, UK Søren Bo Andersen Department of Earth Sciences, Aarhus University, DK – 8000 Aarhus C, Denmark Kai Ingemann Schnetler Fuglebakken 14, Stevnstrup, DK – 8870 Lang˚a, Denmark SYNOPSIS A new species of fossil polyplacophoran from the Danian (Lower Palaeocene) of Denmark is described from over 450 individual disarticulated plates. The polyplacophorans originate from the ‘nose-chalk’ in the classical Danish locality of Fakse Quarry, an unconsolidated coral limestone in whicharagoniticmolluscshellsarepreserved throughtransformation intocalcite.In platearchitecture and sculpture, the new Danish material is similar to Recent Leptochiton spp., but differs in its underdeveloped apophyses and high dorsal elevation (height/width ca. 0.54). Cladistic analysis of 55 original shell characters coded for more than 100 Recent and fossil species in the order Lepidopleurida shows very high resolution of interspecific relationships, but does not consistently recover traditional genera or subgenera. Inter-relationships within the suborder Lepidopleurina are of particular interest as it is often considered the most ‘basal’ neoloricate lineage. In a local context, the presence of chitons in the faunal assemblage of Fakse contributes evidence of shallow depositional depth for at least some elements of this Palaeocene seabed, a well-studied formation of azooxanthellic coral limestones. -
Chitons (Mollusca: Polyplacophora) Known from Benthic Monitoring Programs in the Southern California Bight
ISSN 0738-9388 THE FESTIVUS A publication of the San Diego Shell Club Volume XLI Special Issue June 11, 2009 Chitons (Mollusca: Polyplacophora) Known from Benthic Monitoring Programs in the Southern California Bight Timothy D. Stebbins and Douglas J. Eernisse COVER PHOTO Live specimen of Lepidozona sp. C occurring on a piece of metal debris collected off San Diego, southern California at a depth of 90 m. Photo provided courtesy of R. Rowe. Vol. XLI(6): 2009 THE FESTIVUS Page 53 CHITONS (MOLLUSCA: POLYPLACOPHORA) KNOWN FROM BENTHIC MONITORING PROGRAMS IN THE SOUTHERN CALIFORNIA BIGHT TIMOTHY D. STEBBINS 1,* and DOUGLAS J. EERNISSE 2 1 City of San Diego Marine Biology Laboratory, Metropolitan Wastewater Department, San Diego, CA, USA 2 Department of Biological Science, California State University, Fullerton, CA, USA Abstract: About 36 species of chitons possibly occur at depths greater than 30 m along the continental shelf and slope of the Southern California Bight (SCB), although little is known about their distribution or ecology. Nineteen species are reported here based on chitons collected as part of long-term, local benthic monitoring programs or less frequent region-wide surveys of the entire SCB, and these show little overlap with species that occur at depths typically encountered by scuba divers. Most chitons were collected between 30-305 m depths, although records are included for a few from slightly shallower waters. Of the two extant chiton lineages, Lepidopleurida is represented by Leptochitonidae (2 genera, 3 species), while Chitonida is represented by Ischnochitonidae (2 genera, 6-9 species) and Mopaliidae (4 genera, 7 species). -
The Malacological Society of London
ACKNOWLEDGMENTS This meeting was made possible due to generous contributions from the following individuals and organizations: Unitas Malacologica The program committee: The American Malacological Society Lynn Bonomo, Samantha Donohoo, The Western Society of Malacologists Kelly Larkin, Emily Otstott, Lisa Paggeot David and Dixie Lindberg California Academy of Sciences Andrew Jepsen, Nick Colin The Company of Biologists. Robert Sussman, Allan Tina The American Genetics Association. Meg Burke, Katherine Piatek The Malacological Society of London The organizing committee: Pat Krug, David Lindberg, Julia Sigwart and Ellen Strong THE MALACOLOGICAL SOCIETY OF LONDON 1 SCHEDULE SUNDAY 11 AUGUST, 2019 (Asilomar Conference Center, Pacific Grove, CA) 2:00-6:00 pm Registration - Merrill Hall 10:30 am-12:00 pm Unitas Malacologica Council Meeting - Merrill Hall 1:30-3:30 pm Western Society of Malacologists Council Meeting Merrill Hall 3:30-5:30 American Malacological Society Council Meeting Merrill Hall MONDAY 12 AUGUST, 2019 (Asilomar Conference Center, Pacific Grove, CA) 7:30-8:30 am Breakfast - Crocker Dining Hall 8:30-11:30 Registration - Merrill Hall 8:30 am Welcome and Opening Session –Terry Gosliner - Merrill Hall Plenary Session: The Future of Molluscan Research - Merrill Hall 9:00 am - Genomics and the Future of Tropical Marine Ecosystems - Mónica Medina, Pennsylvania State University 9:45 am - Our New Understanding of Dead-shell Assemblages: A Powerful Tool for Deciphering Human Impacts - Sue Kidwell, University of Chicago 2 10:30-10:45 -
Chiton (Chiton) Articulatus (MOLLUSCA: POLYPLACOPHORA) DE LA COSTA ROCOSA DE PUERTO ÁNGEL, OAXACA, MÉXICO
INSTITUTO POLITECNICO NACIONAL CENTRO INTERDISCIPLINARIO DE CIENCIAS MARINAS MADURACIÓN GONÁDICA, CICLO REPRODUCTIVO Y TALLA DE MADUREZ SEXUAL DEL QUITÓN Chiton (Chiton) articulatus (MOLLUSCA: POLYPLACOPHORA) DE LA COSTA ROCOSA DE PUERTO ÁNGEL, OAXACA, MÉXICO TESIS QUE PARA OBTENER EL GRADO DE MAESTRÍA EN CIENCIAS EN MANEJO DE RECURSOS MARINOS PRESENTA QUETZALLI YASU ABADIA CHANONA LA PAZ, B.C.S., JULIO 2015 SIP-14 BIS INSTITUTO POLITÉCNICO NACIONAL SECRETARIA DE INVESTIGACIÓN Y POSGRADO ACTA DE REVISIÓN DE TESIS En la Ciudad de La Paz, B.CS,, siendo las i2:Q0 horas del día 18 del mes de Junio del 2015 se reunieron los miembros de la Comisión Revisora de Tesis designada por el Colegio de Profesores de Estudios de Posgrado e Investigación de CICIMAR para examinar la tesis titulada: "MADURACIÓN GONÁDICA, CICLO REPRODUCTIVO Y TALLA DE MADUREZ SEXUAL DEL QUITÓN Chiton (Chkorí) articulatus (Mollusca: Polyplacophora) DE LA COSTA ROCOSA DE PUERTO ÁNGEL, OAXACA, MÉXICO" Presentada por el alumno: ABADÍA CHANONA QUETZALLI YASU Apellido paterno materno nombre(s2 B 1 3 0 8 4 9 Con registro: Aspirante de: MAESTRÍA EN CIENCIAS EN MANEJO DE RECURSOS MARINOS Después de intercambiar opiniones los miembros de la Comisión manifestaron APROBAR LA DEFENSA DELA TESIS, en virtud de que satisface los requisitos señalados por las disposiciones reglamentarias vigentes. &BRIEL MORENO SANCHEZ INSTITUTO POLITÉCNICO NACIONAL SECRETAíRÍA DE INVESTIGACIÓN Y POSGRADO CARTA CESIÓN DE DERECHOS En la Ciudad de La Paz, B.C.S., el día 22 del mes lunio del año 2015 el (la) que suscribe BM. QUETZALLIYASÚABA alumno(a) del Programa de MAESTRÍA EN CIENCIAS EN MANEJO DE RECURSOS MARINOS con número de registro B130849 adscrito al CENTRO INTERDISCIPLINARIO DE CIENCIAS MARINAS manifiesta que es autor (a) intelectual del presente trabajo de tesis, bajo la dirección de: DR. -
Polyplacophora: Chitonidae): First Records in European Waters
Zootaxa 3626 (4): 593–596 ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ Correspondence ZOOTAXA Copyright © 2013 Magnolia Press ISSN 1175-5334 (online edition) http://dx.doi.org/10.11646/zootaxa.3626.4.14 http://zoobank.org/urn:lsid:zoobank.org:pub:00EE2336-D60C-49A1-BC40-0FAE551F5DB6 Tonicia atrata and Chiton cumingsii (Polyplacophora: Chitonidae): First records in European waters ANDRÉS ARIAS1,2 & NURIA ANADÓN1 1Departamento de Biología de Organismos y Sistemas (Zoología), Universidad de Oviedo, Oviedo 33071, Spain 2Corresponding author. E-mail: [email protected] At present, over 300 species of marine alien Mollusca are reported from the European waters (Streftaris et al. 2005; Zenetos et al. 2010). However, only three alien polyplacophoran have been recorded: Chaetopleura angulata (Spengler, 1797), Acanthopleura gemmata (Blainville, 1825) and Chiton hululensis (E. A. Smith, 1903); the latter is considered as “questionable” (Zenetos et al. 2010). These polyplacophoran constituting about 1% of the alien marine mollusc reported from Europe. Here we present the first record of Tonicia atrata (Sowerby, 1840) and Chiton cumingsii Frembly, 1827 in European waters, constituting the first evidence of their presence outside their native range. Furthermore, we give brief notes on the taxonomy and distribution of T. atrata and C. cumingsii, and discuss the potential pathways for introduction to Europe. In Europe, T. atrata occurs together with the well-known alien Ch. angulata; and probably both species have historically been misidentified in collections because both reach large size (> 60 mm) and in many cases the larger size was commonly used to differentiate the presumed alien (Ch. angulata) from the native polyplacophoran of smaller size. -
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1 Mobilising molluscan models and genomes in biology 2 Angus Davison1 and Maurine Neiman2 3 1. School of Life Sciences, University Park, University of Nottingham, NG7 2RD, UK 4 2. Department of Biology, University of Iowa, Iowa City, IA, USA and Department of Gender, 5 Women's, and Sexuality Studies, University of Iowa, Iowa, City, IA, USA 6 Abstract 7 Molluscs are amongst the most ancient, diverse, and important of all animal taxa. Even so, 8 no individual mollusc species has emerged as a broadly applied model system in biology. 9 We here make the case that both perceptual and methodological barriers have played a role 10 in the relative neglect of molluscs as research organisms. We then summarize the current 11 application and potential of molluscs and their genomes to address important questions in 12 animal biology, and the state of the field when it comes to the availability of resources such 13 as genome assemblies, cell lines, and other key elements necessary to mobilising the 14 development of molluscan model systems. We conclude by contending that a cohesive 15 research community that works together to elevate multiple molluscan systems to ‘model’ 16 status will create new opportunities in addressing basic and applied biological problems, 17 including general features of animal evolution. 18 Introduction 19 Molluscs are globally important as sources of food, calcium and pearls, and as vectors of 20 human disease. From an evolutionary perspective, molluscs are notable for their remarkable 21 diversity: originating over 500 million years ago, there are over 70,000 extant mollusc 22 species [1], with molluscs present in virtually every ecosystem. -
<I>Acanthopleura Gemmata</I>
NOTES 339 Mauri, M. and E. Orlando. 1983. Variability of zinc and manganese concentrations in relation to sex and season in the bivalve Donax trunculus. Mar. Pollut. Bull. 14: 342-346. McConchie, D. and L. M. Lawrance. 1991. The origin of high cadmium loads in some bivalves molluscs from Shark Bay, Western Australia: a new mechanism for cadmium uptake by filter feeding organisms. Arch. Environ. Contam. Toxicol. 21: 303-310. Nugegoda, D. and P. S. Rainbow. 1987. The effect of temperature on zinc regulation by the decapod crustacean Palaemon elegans Rathke. Ophelia 27: 17-30. Orlando, E. ]985. Valutazione dell'inquinamento marino da metalli pesanti tramite ]'uso di indicatori biologici. Oebalia XI: 93-100. Orren, M. J., G. A. Eagle, H. F.-K. O. Hennig and A. Green. 1980. Variations in trace metal content of the mussel Choromytilus meridionalis (Kr.) with season and sex. Mar. Pollut. Bull. 11: 253- 257. Rainbow, P. S. and A. G. Scott. 1979. Two heavy metal-binding proteins in the midgut gland of the crab Carcinus maenas. Mar. BioI. 55: 143-150. DATE ACCEPTED: April 13, ]994. ADDRESSES: (K.F.) Western Australian Marine Research Laboratories, PO Box 20, North Beach 6020, Australia; (CS.) Chemistry Centre of Western Australia, 125 Hay Street, East Perth 6004, Australia; (M.J.) Health Department of Western Australia, 189 Royal Street, East Perth 6004, Aus- tralia. BULLETINOF MARINESCIENCE,56( I): 339-343, 1995 KARYOLOGICAL STUDIES ON THE COMMON ROCKY EGYPTIAN CHITON, ACANTHOPLEURA GEMMATA (POLYPLACOPHORA: MOLLUSCA) Ahmed E. Yaseen, Abdel-Baset M. Ebaid and I. S. Kawashti Acanthopleura gemmata (Blainville, 1925) is one of the commonest polypla- cophoran species and is very common along the Egyptian coasts (northwestern part of the Red Sea) (Soliman and Habib, 1990). -
Primeros Registros De Callistochiton Portobelensis Ferreira E Ischnochiton Kaasi Ferreira (Mollusca: Polyplacophora) Para El
Bol . Invest . Mar . Cost . 40 (2) 425-430 ISSN 0122-9761 Santa Marta, Colombia, 2011 NOTA: PRIMEROS REGISTROS DE CALLISTOCHITON PORTOBELENSIS FERREIRA E ISCHNOCHITON KAASI FERREIRA (MOLLUSCA: POLYPLACOPHORA) PARA EL CARIBE COLOMBIANO Cedar I. García-Ríos¹, Migdalia Álvarez-Ruiz², Paulo C. Tigreros³, Lina S. Triana³ y Simón A. Rodríguez³ 1 Universidad de Puerto Rico en Humacao, Departamento de Biología, Humacao, Puerto Rico 00791; [email protected] 2 Universidad de Puerto Rico en Ponce, Departamento de Biología, Ponce, Puerto Rico 00732; [email protected] 3 Universidad de Bogotá Jorge Tadeo Lozano, Programa de Biología Marina, Facultad de Ciencias Naturales, Santa Marta, Colombia. [email protected] (P.C.T.); [email protected] (L.S.T.); [email protected] (S.A.R.) ABSTRACT First records of Callistochiton portobelensis Ferreira and Ischnochiton kaasi Ferreira (Mollusca: Polyplacophora) from the Colombian Caribbean. Callistochiton portobelensis Ferreira 1976 and Ischnochiton kaasi Ferreira, 1987 are reported for the first time from the Colombian Caribbean. Both species were found in shallow water, under rocks, at Santa Marta in October 2009 . KEY WORDS: Mollusca, Polyplacophora, Records, Caribbean, Colombia . Las especies de quitones (Mollusca: Polyplacophora) previamente documentados para la costa del Caribe colombiano son 22 (Götting, 1973; Díaz y Puyana, 1994, Gracia et al., 2005, 2008) . Götting (1973) registró las primeras 10 especies: Ischnochiton limaciformis (Sowerby, 1832); Ischnochiton floridanus Pilsbry, 1892; Acanthochitona rhodea (Pilsbry, 1893); Ischnochiton pectinatus (Sowerby, 1840); Ceratozona rugosa (Sowerby, 1840); Chiton tuberculatus Linné, 1758; Chiton marmoratus Gmelin 1791; Acanthopleura granulata (Gmelin, 1791), Ischnochiton striolatus (Gray, 1828) y Lepidopleurus pergranatus (Dall, 1889); los ejemplares de esta última fueron posteriormente reasignados bajo L. -
Marine Shells of the Western Coast of Flordia
wm :iii! mm ilili ! Sfixing cHdL J^oad .Sandivicl'i, j\{ai.i.ach.u±£.tti. icuxucm \^*^£ FRONTISPIECE Photo by Ruth Bernhard Spondylus americanus Hermann MARINE SHELLS f>4 OF THE WESTERN COAST OF FLORIDA By LOUISE M. PERRY AND JEANNE S. SCHWENGEL With Revisions and Additions to Louise M. Perry's Marine Shells of the Southwest Coast of Florida Illustrations by W. Hammersley Southwick, Axel A. Olsson, and Frank White March, 1955 PALEONTOLOGICAL RESEARCH INSTITUTION ITHACA, NEW YORK U. S. A. MARINE SHELLS OF THE SOUTHWEST COAST OF FLORIDA printed as Bulletins of American Paleontology, vol. 26, No. 95 First printing, 1940 Second printing, 1942 Copyright, 1955, by Paleontological Research Institution Library of Congress Catalog Card Number: 5-^-12005 Printed in the United States of America // is perhaps a more fortunate destiny to have a taste for collecting shells than to be born a millionaire. Robert Louis Stevenson imeters 50 lllllllllllllllllllllllllllll II II III nil 2 Inches CONTENTS Page Preface by reviser 7 Foreword by Wm. J. Clench 9 Introduction 11 Generalia 13 Collection and preparation of specimens 17 Systematic descriptions 24 Class Amphineura :. 24 Class Pelecypoda 27 Class Scaphopoda 97 Class Gasteropoda 101 Plates 199 Index 311 PREFACE BY THE REVISER It has been a privilege to revise Louise M. Perry's fine book on "Marine Shells of Southwest Florida", to include her studies on eggs and larvae of mollusks; and to add descriptions and illustra- tions of several newly discovered shells thus making it a more com- prehensive study of the molluscan life of western Florida. The work that I have done is only a small return to Dr.