List of Bivalvia of British Columbia Compiled by R
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Cretaceous Acila (Truncacila) (Bivalvia: Nuculidae) from the Pacific Slope of North America
THE VELIGER ᭧ CMS, Inc., 2006 The Veliger 48(2):83–104 (June 30, 2006) Cretaceous Acila (Truncacila) (Bivalvia: Nuculidae) from the Pacific Slope of North America RICHARD L. SQUIRES Department of Geological Sciences, California State University, Northridge, California 91330-8266, USA AND LOUELLA R. SAUL Invertebrate Paleontology Section, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA Abstract. The Cretaceous record of the nuculid bivalve Acila (Truncacila) Grant & Gale, 1931, is established for the first time in the region extending from the Queen Charlotte Islands, British Columbia, southward to Baja California, Mexico. Its record is represented by three previously named species, three new species, and one possible new species. The previously named species are reviewed and refined. The cumulative geologic range of all these species is Early Cretaceous (late Aptian) to Late Cretaceous (early late Maastrichtian), with the highest diversity (four species) occurring in the latest Campanian to early Maastrichtian. Acila (T.) allisoni, sp. nov., known only from upper Aptian strata of northern Baja California, Mexico, is one of the earliest confirmed records of this subgenus. ‘‘Aptian’’ reports of Trun- cacila in Tunisia, Morocco, and possibly eastern Venzeula need confirmation. Specimens of the study area Acila are most abundant in sandy, shallow-marine deposits that accumulated under warm- water conditions. Possible deeper water occurrences need critical evaluation. INTRODUCTION and Indo-Pacific regions and is a shallow-burrowing de- posit feeder. Like other nuculids, it lacks siphons but has This is the first detailed study of the Cretaceous record an anterior-to-posterior water current (Coan et al., 2000). -
Early Ontogeny of Jurassic Bakevelliids and Their Bearing on Bivalve Evolution
Early ontogeny of Jurassic bakevelliids and their bearing on bivalve evolution NIKOLAUS MALCHUS Malchus, N. 2004. Early ontogeny of Jurassic bakevelliids and their bearing on bivalve evolution. Acta Palaeontologica Polonica 49 (1): 85–110. Larval and earliest postlarval shells of Jurassic Bakevelliidae are described for the first time and some complementary data are given concerning larval shells of oysters and pinnids. Two new larval shell characters, a posterodorsal outlet and shell septum are described. The outlet is homologous to the posterodorsal notch of oysters and posterodorsal ridge of arcoids. It probably reflects the presence of the soft anatomical character post−anal tuft, which, among Pteriomorphia, was only known from oysters. A shell septum was so far only known from Cassianellidae, Lithiotidae, and the bakevelliid Kobayashites. A review of early ontogenetic shell characters strongly suggests a basal dichotomy within the Pterio− morphia separating taxa with opisthogyrate larval shells, such as most (or all?) Praecardioida, Pinnoida, Pterioida (Bakevelliidae, Cassianellidae, all living Pterioidea), and Ostreoida from all other groups. The Pinnidae appear to be closely related to the Pterioida, and the Bakevelliidae belong to the stem line of the Cassianellidae, Lithiotidae, Pterioidea, and Ostreoidea. The latter two superfamilies comprise a well constrained clade. These interpretations are con− sistent with recent phylogenetic hypotheses based on palaeontological and genetic (18S and 28S mtDNA) data. A more detailed phylogeny is hampered by the fact that many larval shell characters are rather ancient plesiomorphies. Key words: Bivalvia, Pteriomorphia, Bakevelliidae, larval shell, ontogeny, phylogeny. Nikolaus Malchus [[email protected]], Departamento de Geologia/Unitat Paleontologia, Universitat Autòno− ma Barcelona, 08193 Bellaterra (Cerdanyola del Vallès), Spain. -
Spatial Variability in Recruitment of an Infaunal Bivalve
Spatial Variability in Recruitment of an Infaunal Bivalve: Experimental Effects of Predator Exclusion on the Softshell Clam (Mya arenaria L.) along Three Tidal Estuaries in Southern Maine, USA Author(s): Brian F. Beal, Chad R. Coffin, Sara F. Randall, Clint A. Goodenow Jr., Kyle E. Pepperman, Bennett W. Ellis, Cody B. Jourdet and George C. Protopopescu Source: Journal of Shellfish Research, 37(1):1-27. Published By: National Shellfisheries Association https://doi.org/10.2983/035.037.0101 URL: http://www.bioone.org/doi/full/10.2983/035.037.0101 BioOne (www.bioone.org) is a nonprofit, online aggregation of core research in the biological, ecological, and environmental sciences. BioOne provides a sustainable online platform for over 170 journals and books published by nonprofit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/page/terms_of_use. Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Journal of Shellfish Research, Vol. 37, No. 1, 1–27, 2018. SPATIAL VARIABILITY IN RECRUITMENT OF AN INFAUNAL BIVALVE: EXPERIMENTAL EFFECTS OF PREDATOR EXCLUSION ON THE SOFTSHELL CLAM (MYA ARENARIA L.) ALONG THREE TIDAL ESTUARIES IN SOUTHERN MAINE, USA 1,2 3 2 3 BRIAN F. -
Base Line Monitoring for Salmon Farming Site in Eyrarhlíð, Dyrafjörður
Base line monitoring for salmon farming site in Eyrarhlíð, Dyrafjörður Worked for Arctic Sea Farm Cristian Gallo July 2019 NV nr. 13-19 Náttúrustofa Vestfjarða Sími: 456-7005 Kennitala: 610397-2209 Aðalstræti 12 Netfang: [email protected] 415 Bolungarvík Heimasíða: http://www.nave.is Base line monitoring Eyrarhlíð, Dyrafjörður CG NV nr. 13-19 Date month/year: July 2019 Distribution: Open Report nr: Work number: Close until: NV nr. 13-19 516 With permission of the client Title: Number pages: 19 Base line monitoring for salmon farming site in Number of figures: 4 Number of tables: 8 Eyrarhlíð, Dyrafjörður Author: Cristian Gallo Number appendixces: 2 Sampling date: 5.6.2018 Client´s contact: Steinunn Guðný Einarsdóttir Site: Eyrarhlíð (Dýrafjördur) Worked for: Arctic Sea Farm hf. Dýrafirði Operative licence: 2.000 ton Sveitarfélaginu Ísafirði Lögheimili Suðurgötu 12, Ísafirði Kt.: 700807-0450 Abstract: Base line monitoring was conducted at mariculture site in Eyrarhlíð according to ISO12878 standard. Sea bottom was found muddy with high similarity in animal community between stations. Animal community found at Eyrarhlíð was predominantly made of common species found in fjord ecosystems in the Westfjords. Polychaetes were the predominant species with Levinsenia gracilis most abundant and good presence of species from the Maldanidae family (Euchone sp. and Galathowenia oculata). Shannon-Wiener diversity index (loge) resulted under 3 for all stations. AMBI classified the site as slightly disturbed. Considering farming was never done in proximity to this site we assume other natural conditions affect the diversity in this area. Visual and chemical parameters did not show any signs of organic impact. -
Proceedings of the United States National Museum
PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM SMITHSONIAN INSTITUTION U. S. NATIONAL MUSEUM VoL 109 WMhington : 1959 No. 3412 MARINE MOLLUSCA OF POINT BARROW, ALASKA Bv Nettie MacGinitie Introduction The material upon which this study is based was collected by G. E. MacGinitie in the vicinity of Point Barrow, Alaska. His work on the invertebrates of the region (see G. E. MacGinitie, 1955j was spon- sored by contracts (N6-0NR 243-16) between the OfRce of Naval Research and the California Institute of Technology (1948) and The Johns Hopkins L^niversity (1949-1950). The writer, who served as research associate under this project, spent the. periods from July 10 to Oct. 10, 1948, and from June 1949 to August 1950 at the Arctic Research Laboratory, which is located at Point Barrow base at ap- proximately long. 156°41' W. and lat. 71°20' N. As the northernmost point in Alaska, and representing as it does a point about midway between the waters of northwest Greenland and the Kara Sea, where collections of polar fauna have been made. Point Barrow should be of particular interest to students of Arctic forms. Although the dredge hauls made during the collection of these speci- mens number in the hundreds and, compared with most "expedition standards," would be called fairly intensive, the area of the ocean ' Kerckhofl Marine Laboratory, California Institute of Technology. 473771—59 1 59 — 60 PROCEEDINGS OF THE NATIONAL MUSEUM vol. los bottom touched by the dredge is actually small in comparison with the total area involved in the investigation. Such dredge hauls can yield nothing comparable to what can be obtained from a mudflat at low tide, for instance. -
Harbor Seal Species Profile Encyclopedia of Puget Sound June 9, 2014
(Photograph by G. E. Davis) Harbor seal species profile Encyclopedia of Puget Sound June 9, 2014 Jacqlynn C. Zier and Joseph K. Gaydos* SeaDoc Society / UC Davis’ Karen C. Drayer Wildlife Health Center Orcas Island Office 942 Deer Harbor Road, Eastsound, WA 98245 *Corresponding author [email protected] Table of Contents Introduction ............................................................................................................. 3 Distribution .............................................................................................................. 3 Global .............................................................................................................................................................................. 3 Local ................................................................................................................................................................................ 3 1 Populations .............................................................................................................. 4 Genetic diversity ........................................................................................................................................................ 4 Population size ........................................................................................................................................................... 5 Longevity and survival .......................................................................................................................................... -
TREATISE ONLINE Number 48
TREATISE ONLINE Number 48 Part N, Revised, Volume 1, Chapter 31: Illustrated Glossary of the Bivalvia Joseph G. Carter, Peter J. Harries, Nikolaus Malchus, André F. Sartori, Laurie C. Anderson, Rüdiger Bieler, Arthur E. Bogan, Eugene V. Coan, John C. W. Cope, Simon M. Cragg, José R. García-March, Jørgen Hylleberg, Patricia Kelley, Karl Kleemann, Jiří Kříž, Christopher McRoberts, Paula M. Mikkelsen, John Pojeta, Jr., Peter W. Skelton, Ilya Tëmkin, Thomas Yancey, and Alexandra Zieritz 2012 Lawrence, Kansas, USA ISSN 2153-4012 (online) paleo.ku.edu/treatiseonline PART N, REVISED, VOLUME 1, CHAPTER 31: ILLUSTRATED GLOSSARY OF THE BIVALVIA JOSEPH G. CARTER,1 PETER J. HARRIES,2 NIKOLAUS MALCHUS,3 ANDRÉ F. SARTORI,4 LAURIE C. ANDERSON,5 RÜDIGER BIELER,6 ARTHUR E. BOGAN,7 EUGENE V. COAN,8 JOHN C. W. COPE,9 SIMON M. CRAgg,10 JOSÉ R. GARCÍA-MARCH,11 JØRGEN HYLLEBERG,12 PATRICIA KELLEY,13 KARL KLEEMAnn,14 JIřÍ KřÍž,15 CHRISTOPHER MCROBERTS,16 PAULA M. MIKKELSEN,17 JOHN POJETA, JR.,18 PETER W. SKELTON,19 ILYA TËMKIN,20 THOMAS YAncEY,21 and ALEXANDRA ZIERITZ22 [1University of North Carolina, Chapel Hill, USA, [email protected]; 2University of South Florida, Tampa, USA, [email protected], [email protected]; 3Institut Català de Paleontologia (ICP), Catalunya, Spain, [email protected], [email protected]; 4Field Museum of Natural History, Chicago, USA, [email protected]; 5South Dakota School of Mines and Technology, Rapid City, [email protected]; 6Field Museum of Natural History, Chicago, USA, [email protected]; 7North -
Unravelling the Evolutionary Biology of the Bivalvia: a Multidisciplinary Approach
Downloaded from http://sp.lyellcollection.org/ by guest on September 26, 2021 Unravelling the evolutionary biology of the Bivalvia: a multidisciplinary approach E. M. HARPER l, J. D. TAYLOR 2 & J.A. CRAME 3 1 Department of Earth Sciences, Downing Street, Cambridge CB2 3EQ, UK (e-mail: emh21 @cus.cam.ac.uk) 2 Department of Zoology, The Natural History Museum, London SW7 5BD, UK British Antarctic Survey, Madingley Road, Cambridge CB3 0ET, UK Bivalves have been important members of marine taxonomic diversification of the bivalves (Pojeta communities since the early Palaeozoic, in terms of 1978) and the rostroconchs (Runnegar 1978) are both their numerical abundance and diversity. They still widely cited. However, in 1977 the Treatise are particularly prevalent in shallow shelf volumes (Cox et al. 1969; Stenzel 1971) were still sediments, but they have also conquered the very much in vogue as a reliable data source, intertidal zone as well as the deep sea, where they although even then there was a feeling that it was in are successful predators and key components of need of a comprehensive revision (Yonge 1978). some vent communities. They have also invaded This sentiment has been echoed ever since, most freshwater systems a number of times, where today strongly by Johnston & Haggart (1998) in their they are important (and costly) foulers. In terms of introduction to Bivalves: An Eon of Evolution. general community structure, bivalves are Paleobiological Studies Honoring Norman D. important as prey items for a range of different Newell. The Royal Society volume was also written predatory groups, and as major space occupiers, at a time when cladistic studies were virtually particularly on hard substrata where space may be unknown and there was not the wealth of molecular limited. -
An Annotated Checklist of the Marine Macroinvertebrates of Alaska David T
NOAA Professional Paper NMFS 19 An annotated checklist of the marine macroinvertebrates of Alaska David T. Drumm • Katherine P. Maslenikov Robert Van Syoc • James W. Orr • Robert R. Lauth Duane E. Stevenson • Theodore W. Pietsch November 2016 U.S. Department of Commerce NOAA Professional Penny Pritzker Secretary of Commerce National Oceanic Papers NMFS and Atmospheric Administration Kathryn D. Sullivan Scientific Editor* Administrator Richard Langton National Marine National Marine Fisheries Service Fisheries Service Northeast Fisheries Science Center Maine Field Station Eileen Sobeck 17 Godfrey Drive, Suite 1 Assistant Administrator Orono, Maine 04473 for Fisheries Associate Editor Kathryn Dennis National Marine Fisheries Service Office of Science and Technology Economics and Social Analysis Division 1845 Wasp Blvd., Bldg. 178 Honolulu, Hawaii 96818 Managing Editor Shelley Arenas National Marine Fisheries Service Scientific Publications Office 7600 Sand Point Way NE Seattle, Washington 98115 Editorial Committee Ann C. Matarese National Marine Fisheries Service James W. Orr National Marine Fisheries Service The NOAA Professional Paper NMFS (ISSN 1931-4590) series is pub- lished by the Scientific Publications Of- *Bruce Mundy (PIFSC) was Scientific Editor during the fice, National Marine Fisheries Service, scientific editing and preparation of this report. NOAA, 7600 Sand Point Way NE, Seattle, WA 98115. The Secretary of Commerce has The NOAA Professional Paper NMFS series carries peer-reviewed, lengthy original determined that the publication of research reports, taxonomic keys, species synopses, flora and fauna studies, and data- this series is necessary in the transac- intensive reports on investigations in fishery science, engineering, and economics. tion of the public business required by law of this Department. -
Guide to Estuarine and Inshore Bivalves of Virginia
W&M ScholarWorks Dissertations, Theses, and Masters Projects Theses, Dissertations, & Master Projects 1968 Guide to Estuarine and Inshore Bivalves of Virginia Donna DeMoranville Turgeon College of William and Mary - Virginia Institute of Marine Science Follow this and additional works at: https://scholarworks.wm.edu/etd Part of the Marine Biology Commons, and the Oceanography Commons Recommended Citation Turgeon, Donna DeMoranville, "Guide to Estuarine and Inshore Bivalves of Virginia" (1968). Dissertations, Theses, and Masters Projects. Paper 1539617402. https://dx.doi.org/doi:10.25773/v5-yph4-y570 This Thesis is brought to you for free and open access by the Theses, Dissertations, & Master Projects at W&M ScholarWorks. It has been accepted for inclusion in Dissertations, Theses, and Masters Projects by an authorized administrator of W&M ScholarWorks. For more information, please contact [email protected]. GUIDE TO ESTUARINE AND INSHORE BIVALVES OF VIRGINIA A Thesis Presented to The Faculty of the School of Marine Science The College of William and Mary in Virginia In Partial Fulfillment Of the Requirements for the Degree of Master of Arts LIBRARY o f the VIRGINIA INSTITUTE Of MARINE. SCIENCE. By Donna DeMoranville Turgeon 1968 APPROVAL SHEET This thesis is submitted in partial fulfillment of the requirements for the degree of Master of Arts jfitw-f. /JJ'/ 4/7/A.J Donna DeMoranville Turgeon Approved, August 1968 Marvin L. Wass, Ph.D. P °tj - D . dvnd.AJlLJ*^' Jay D. Andrews, Ph.D. 'VL d. John L. Wood, Ph.D. William J. Hargi Kenneth L. Webb, Ph.D. ACKNOWLEDGEMENTS The author wishes to express sincere gratitude to her major professor, Dr. -
Recent Advances and Unanswered Questions in Deep Molluscan Phylogenetics Author(S): Kevin M
Recent Advances and Unanswered Questions in Deep Molluscan Phylogenetics Author(s): Kevin M. Kocot Source: American Malacological Bulletin, 31(1):195-208. 2013. Published By: American Malacological Society DOI: http://dx.doi.org/10.4003/006.031.0112 URL: http://www.bioone.org/doi/full/10.4003/006.031.0112 BioOne (www.bioone.org) is a nonprofit, online aggregation of core research in the biological, ecological, and environmental sciences. BioOne provides a sustainable online platform for over 170 journals and books published by nonprofit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/page/terms_of_use. Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Amer. Malac. Bull. 31(1): 195–208 (2013) Recent advances and unanswered questions in deep molluscan phylogenetics* Kevin M. Kocot Auburn University, Department of Biological Sciences, 101 Rouse Life Sciences, Auburn University, Auburn, Alabama 36849, U.S.A. Correspondence, Kevin M. Kocot: [email protected] Abstract. Despite the diversity and importance of Mollusca, evolutionary relationships among the eight major lineages have been a longstanding unanswered question in Malacology. Early molecular studies of deep molluscan phylogeny, largely based on nuclear ribosomal gene data, as well as morphological cladistic analyses largely failed to provide robust hypotheses of relationships among major lineages. -
Molluscs: Bivalvia Laura A
I Molluscs: Bivalvia Laura A. Brink The bivalves (also known as lamellibranchs or pelecypods) include such groups as the clams, mussels, scallops, and oysters. The class Bivalvia is one of the largest groups of invertebrates on the Pacific Northwest coast, with well over 150 species encompassing nine orders and 42 families (Table 1).Despite the fact that this class of mollusc is well represented in the Pacific Northwest, the larvae of only a few species have been identified and described in the scientific literature. The larvae of only 15 of the more common bivalves are described in this chapter. Six of these are introductions from the East Coast. There has been quite a bit of work aimed at rearing West Coast bivalve larvae in the lab, but this has lead to few larval descriptions. Reproduction and Development Most marine bivalves, like many marine invertebrates, are broadcast spawners (e.g., Crassostrea gigas, Macoma balthica, and Mya arenaria,); the males expel sperm into the seawater while females expel their eggs (Fig. 1).Fertilization of an egg by a sperm occurs within the water column. In some species, fertilization occurs within the female, with the zygotes then text continues on page 134 Fig. I. Generalized life cycle of marine bivalves (not to scale). 130 Identification Guide to Larval Marine Invertebrates ofthe Pacific Northwest Table 1. Species in the class Bivalvia from the Pacific Northwest (local species list from Kozloff, 1996). Species in bold indicate larvae described in this chapter. Order, Family Species Life References for Larval Descriptions History1 Nuculoida Nuculidae Nucula tenuis Acila castrensis FSP Strathmann, 1987; Zardus and Morse, 1998 Nuculanidae Nuculana harnata Nuculana rninuta Nuculana cellutita Yoldiidae Yoldia arnygdalea Yoldia scissurata Yoldia thraciaeforrnis Hutchings and Haedrich, 1984 Yoldia rnyalis Solemyoida Solemyidae Solemya reidi FSP Gustafson and Reid.