Structure of Gastropod Communities in the Water of the Estuary of Kawal River
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(Approx) Mixed Micro Shells (22G Bags) Philippines € 10,00 £8,64 $11,69 Each 22G Bag Provides Hours of Fun; Some Interesting Foraminifera Also Included
Special Price £ US$ Family Genus, species Country Quality Size Remarks w/o Photo Date added Category characteristic (€) (approx) (approx) Mixed micro shells (22g bags) Philippines € 10,00 £8,64 $11,69 Each 22g bag provides hours of fun; some interesting Foraminifera also included. 17/06/21 Mixed micro shells Ischnochitonidae Callistochiton pulchrior Panama F+++ 89mm € 1,80 £1,55 $2,10 21/12/16 Polyplacophora Ischnochitonidae Chaetopleura lurida Panama F+++ 2022mm € 3,00 £2,59 $3,51 Hairy girdles, beautifully preserved. Web 24/12/16 Polyplacophora Ischnochitonidae Ischnochiton textilis South Africa F+++ 30mm+ € 4,00 £3,45 $4,68 30/04/21 Polyplacophora Ischnochitonidae Ischnochiton textilis South Africa F+++ 27.9mm € 2,80 £2,42 $3,27 30/04/21 Polyplacophora Ischnochitonidae Stenoplax limaciformis Panama F+++ 16mm+ € 6,50 £5,61 $7,60 Uncommon. 24/12/16 Polyplacophora Chitonidae Acanthopleura gemmata Philippines F+++ 25mm+ € 2,50 £2,16 $2,92 Hairy margins, beautifully preserved. 04/08/17 Polyplacophora Chitonidae Acanthopleura gemmata Australia F+++ 25mm+ € 2,60 £2,25 $3,04 02/06/18 Polyplacophora Chitonidae Acanthopleura granulata Panama F+++ 41mm+ € 4,00 £3,45 $4,68 West Indian 'fuzzy' chiton. Web 24/12/16 Polyplacophora Chitonidae Acanthopleura granulata Panama F+++ 32mm+ € 3,00 £2,59 $3,51 West Indian 'fuzzy' chiton. 24/12/16 Polyplacophora Chitonidae Chiton tuberculatus Panama F+++ 44mm+ € 5,00 £4,32 $5,85 Caribbean. 24/12/16 Polyplacophora Chitonidae Chiton tuberculatus Panama F++ 35mm € 2,50 £2,16 $2,92 Caribbean. 24/12/16 Polyplacophora Chitonidae Chiton tuberculatus Panama F+++ 29mm+ € 3,00 £2,59 $3,51 Caribbean. -
The Ultrastructure of Spermatozoa and Spermiogenesis in Pyramidellid Gastropods, and Its Systematic Importance John M
HELGOLANDER MEERESUNTERSUCHUNGEN Helgol~inder Meeresunters. 42,303-318 (1988) The ultrastructure of spermatozoa and spermiogenesis in pyramidellid gastropods, and its systematic importance John M. Healy School of Biological Sciences (Zoology, A08), University of Sydney; 2006, New South Wales, Australia ABSTRACT: Ultrastructural observations on spermiogenesis and spermatozoa of selected pyramidellid gastropods (species of Turbonilla, ~gulina, Cingufina and Hinemoa) are presented. During spermatid development, the condensing nucleus becomes initially anterio-posteriorly com- pressed or sometimes cup-shaped. Concurrently, the acrosomal complex attaches to an electron- dense layer at the presumptive anterior pole of the nucleus, while at the opposite (posterior) pole of the nucleus a shallow invagination is formed to accommodate the centriolar derivative. Midpiece formation begins soon after these events have taken place, and involves the following processes: (1) the wrapping of individual mitochondria around the axoneme/coarse fibre complex; (2) later internal metamorphosis resulting in replacement of cristae by paracrystalline layers which envelope the matrix material; and (3) formation of a glycogen-filled helix within the mitochondrial derivative (via a secondary wrapping of mitochondria). Advanced stages of nuclear condensation {elongation, transformation of fibres into lamellae, subsequent compaction) and midpiece formation proceed within a microtubular sheath ('manchette'). Pyramidellid spermatozoa consist of an acrosomal complex (round -
THE LISTING of PHILIPPINE MARINE MOLLUSKS Guido T
August 2017 Guido T. Poppe A LISTING OF PHILIPPINE MARINE MOLLUSKS - V1.00 THE LISTING OF PHILIPPINE MARINE MOLLUSKS Guido T. Poppe INTRODUCTION The publication of Philippine Marine Mollusks, Volumes 1 to 4 has been a revelation to the conchological community. Apart from being the delight of collectors, the PMM started a new way of layout and publishing - followed today by many authors. Internet technology has allowed more than 50 experts worldwide to work on the collection that forms the base of the 4 PMM books. This expertise, together with modern means of identification has allowed a quality in determinations which is unique in books covering a geographical area. Our Volume 1 was published only 9 years ago: in 2008. Since that time “a lot” has changed. Finally, after almost two decades, the digital world has been embraced by the scientific community, and a new generation of young scientists appeared, well acquainted with text processors, internet communication and digital photographic skills. Museums all over the planet start putting the holotypes online – a still ongoing process – which saves taxonomists from huge confusion and “guessing” about how animals look like. Initiatives as Biodiversity Heritage Library made accessible huge libraries to many thousands of biologists who, without that, were not able to publish properly. The process of all these technological revolutions is ongoing and improves taxonomy and nomenclature in a way which is unprecedented. All this caused an acceleration in the nomenclatural field: both in quantity and in quality of expertise and fieldwork. The above changes are not without huge problematics. Many studies are carried out on the wide diversity of these problems and even books are written on the subject. -
Gofas XP 95-104
Bollettino Malacologico, Roma, 39 (5-8): 95-104, [2003] 2004 - Società Italiana di Malacologia Nomenclature of the smaller Mediterranean Cerithium species Serge Gofas, Vittorio Garilli & Marie-Catherine Boisselier-Dubayle KEY WORDS: Cerithiidae, Mediterranean, taxonomy, lectotype designations. ABSTRACT The Mediterranean morphotypes generally confused under the name Cerithium rupestre have been shown to belong to two different species. The cor- rect name for one of the species, living in very shallow rocky areas including splashpools, is Cerithium lividulum Risso,1826, and for the other, usual- ly living in the shallow infralittoral community of photophilous algae, C. renovatum Monterosato, 1884. Type material is figured for all nominal species in this species group introduced prior to 1900, and for some of the species proposed later. Orientations for future work in the taxonomy of this species group are suggested. RIASSUNTO E’ stato mostrato che le entità morfologiche generalmente confuse sotto il nome Cerithium rupestre appartengono a due specie distinte. I nomi corretti per questi taxa sono Cerithium lividulum Risso, 1826, per la specie vivente su fondali rocciosi in acque più superficiali dell’infralitorale superiore e nelle pozze di marea, e Cerithium renovatum Monterosato, 1884, per la specie solitamente vivente su fondali infralitorali ricoperti da alghe fotofile. Cerithium lividulum ha una conchiglia robusta con giri appena convessi, coste assiali talora tuberculate e cordoni spirali piani. La colorazione è data da screziature bruno-verdastre decorrenti spiralmente su uno sfondo bianco. La conchiglia di Cerithium renovatum è più piccola (inferiore ai 20 mm nel materiale esaminato), più delicata e snella, e presenta una serie regolare di tubercoli, costantemente di colore bianco, che iniziano nei primi giri e raggiungono il loro massimo sviluppo in corrispondenza del penultimo. -
Constructional Morphology of Cerithiform Gastropods
Paleontological Research, vol. 10, no. 3, pp. 233–259, September 30, 2006 6 by the Palaeontological Society of Japan Constructional morphology of cerithiform gastropods JENNY SA¨ LGEBACK1 AND ENRICO SAVAZZI2 1Department of Earth Sciences, Uppsala University, Norbyva¨gen 22, 75236 Uppsala, Sweden 2Department of Palaeozoology, Swedish Museum of Natural History, Box 50007, 10405 Stockholm, Sweden. Present address: The Kyoto University Museum, Yoshida Honmachi, Sakyo-ku, Kyoto 606-8501, Japan (email: [email protected]) Received December 19, 2005; Revised manuscript accepted May 26, 2006 Abstract. Cerithiform gastropods possess high-spired shells with small apertures, anterior canals or si- nuses, and usually one or more spiral rows of tubercles, spines or nodes. This shell morphology occurs mostly within the superfamily Cerithioidea. Several morphologic characters of cerithiform shells are adap- tive within five broad functional areas: (1) defence from shell-peeling predators (external sculpture, pre- adult internal barriers, preadult varices, adult aperture) (2) burrowing and infaunal life (burrowing sculp- tures, bent and elongated inhalant adult siphon, plough-like adult outer lip, flattened dorsal region of last whorl), (3) clamping of the aperture onto a solid substrate (broad tangential adult aperture), (4) stabilisa- tion of the shell when epifaunal (broad adult outer lip and at least three types of swellings located on the left ventrolateral side of the last whorl in the adult stage), and (5) righting after accidental overturning (pro- jecting dorsal tubercles or varix on the last or penultimate whorl, in one instance accompanied by hollow ventral tubercles that are removed by abrasion against the substrate in the adult stage). Most of these char- acters are made feasible by determinate growth and a countdown ontogenetic programme. -
SPIXIANA ©Zoologische Staatssammlung München
ZOBODAT - www.zobodat.at Zoologisch-Botanische Datenbank/Zoological-Botanical Database Digitale Literatur/Digital Literature Zeitschrift/Journal: Spixiana, Zeitschrift für Zoologie Jahr/Year: 1986 Band/Volume: 009 Autor(en)/Author(s): Barash Al., Danin Z. Artikel/Article: Further additions to the knowledge of Indo-Pacific Mollusca in the Mediterranean Sea (Lessepsian migrants) 117-141 ©Zoologische Staatssammlung München;download: http://www.biodiversitylibrary.org/; www.biologiezentrum.at SPIXIANA ©Zoologische Staatssammlung München;download: http://www.biodiversitylibrary.org/; www.biologiezentrum.at Today we are able to present an additional report on 29 Indo-Pacific species in the Mediterranean which have not been discussed in the general reports of 1948-1977 mentioned above. Eight species are recorded for the first time; 3 species were mentioned by name only (but not discussed) in the article by Barash & Danin (1982: 107) and 18 species have been dealt with in articles on individual Indo-Pacific immigrants. Along with the 29 species not yet discussed in earher reports, 4 species, which have been treated pre- viously are included in this paper for supplementary data (see general remarks, p. 130ff.). This report is based on material obtained from various sources, as follows: A great deal of dredging was carried out during 1974-1977 by the late Prof. Ch. Lewinsohn (Tel Aviv University) and his assistants M. Tom and B. Galil. They worked in the infralittoral zone in north and south Israel and opposite the Mediterranean coast of north Sinai. Among the material coUected by them the nudibranch Plocamopherus ocellatus is noteworthy because of its power of luminescence (O'Do- NOGHUE 1929: 808). -
5-Review-Fish-Habita
United Nations UNEP/GEF South China Sea Global Environment Environment Programme Project Facility UNEP/GEF/SCS/RWG-F.8/5 Date: 12th October 2006 Original: English Eighth Meeting of the Regional Working Group for the Fisheries Component of the UNEP/GEF Project: “Reversing Environmental Degradation Trends in the South China Sea and Gulf of Thailand” Bangka Belitung Province, Indonesia 1st - 4th November 2006 INFORMATION COLLATED BY THE FISHERIES AND HABITAT COMPONENTS OF THE SOUTH CHINA SEA PROJECT ON SITES IMPORTANT TO THE LIFE- CYCLES OF SIGNIFICANT FISH SPECIES UNEP/GEF/SCS/RWG-F.8/5 Page 1 IDENTIFICATION OF FISHERIES REFUGIA IN THE GULF OF THAILAND It was discussed at the Sixth Meeting of the Regional Scientific and Technical Committee (RSTC) in December 2006 that the Regional Working Group on Fisheries should take the following two-track approach to the identification of fisheries refugia: 1. Review known spawning areas for pelagic and invertebrate species, with the aim of evaluating these sites as candidate spawning refugia. 2. Evaluate each of the project’s habitat demonstration sites as potential juvenile/pre-recruit refugia for significant demersal species. Rationale for the Two-Track Approach to the Identification of Fisheries Refugia The two main life history events for fished species are reproduction and recruitment. It was noted by the RSTC that both of these events involve movement between areas, and some species, often pelagic fishes, migrate to particular spawning areas. It was also noted that many species also utilise specific coastal habitats such as coral reefs, seagrass, and mangroves as nursery areas. In terms of the effects of fishing, most populations of fished species are particularly vulnerable to the impacts of high levels of fishing effort in areas and at times where there are high abundances of (a) stock in spawning condition, (b) juveniles and pre-recruits, or (c) pre-recruits migrating to fishing grounds. -
Alien Species in the Mediterranean Sea by 2010
Mediterranean Marine Science Review Article Indexed in WoS (Web of Science, ISI Thomson) The journal is available on line at http://www.medit-mar-sc.net Alien species in the Mediterranean Sea by 2010. A contribution to the application of European Union’s Marine Strategy Framework Directive (MSFD). Part I. Spatial distribution A. ZENETOS 1, S. GOFAS 2, M. VERLAQUE 3, M.E. INAR 4, J.E. GARCI’A RASO 5, C.N. BIANCHI 6, C. MORRI 6, E. AZZURRO 7, M. BILECENOGLU 8, C. FROGLIA 9, I. SIOKOU 10 , D. VIOLANTI 11 , A. SFRISO 12 , G. SAN MART N 13 , A. GIANGRANDE 14 , T. KATA AN 4, E. BALLESTEROS 15 , A. RAMOS-ESPLA ’16 , F. MASTROTOTARO 17 , O. OCA A 18 , A. ZINGONE 19 , M.C. GAMBI 19 and N. STREFTARIS 10 1 Institute of Marine Biological Resources, Hellenic Centre for Marine Research, P.O. Box 712, 19013 Anavissos, Hellas 2 Departamento de Biologia Animal, Facultad de Ciencias, Universidad de Ma ’laga, E-29071 Ma ’laga, Spain 3 UMR 6540, DIMAR, COM, CNRS, Université de la Méditerranée, France 4 Ege University, Faculty of Fisheries, Department of Hydrobiology, 35100 Bornova, Izmir, Turkey 5 Departamento de Biologia Animal, Facultad de Ciencias, Universidad de Ma ’laga, E-29071 Ma ’laga, Spain 6 DipTeRis (Dipartimento per lo studio del Territorio e della sue Risorse), University of Genoa, Corso Europa 26, 16132 Genova, Italy 7 Institut de Ciències del Mar (CSIC) Passeig Mar tim de la Barceloneta, 37-49, E-08003 Barcelona, Spain 8 Adnan Menderes University, Faculty of Arts & Sciences, Department of Biology, 09010 Aydin, Turkey 9 c\o CNR-ISMAR, Sede Ancona, Largo Fiera della Pesca, 60125 Ancona, Italy 10 Institute of Oceanography, Hellenic Centre for Marine Research, P.O. -
Quaternary Micromolluscan Fuana of the Mudlump Province, Mississippi River Delta
Louisiana State University LSU Digital Commons LSU Historical Dissertations and Theses Graduate School 1967 Quaternary Micromolluscan Fuana of the Mudlump Province, Mississippi River Delta. James Xavier Corgan Louisiana State University and Agricultural & Mechanical College Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_disstheses Recommended Citation Corgan, James Xavier, "Quaternary Micromolluscan Fuana of the Mudlump Province, Mississippi River Delta." (1967). LSU Historical Dissertations and Theses. 1286. https://digitalcommons.lsu.edu/gradschool_disstheses/1286 This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Historical Dissertations and Theses by an authorized administrator of LSU Digital Commons. For more information, please contact [email protected]. I This dissertation has been microfilmed exactly aa received CORGAN, James Xavier, 1930- QUATERNARY MICROMOLLUSCAN FAUNA OF THE MUDLUMP PROVINCE, MISSISSIPPI RIVER DELTA. Louisiana State University and Agricultural and Mechanical College, Ph.D., 1967 Geology University Microfilms, Inc., Ann Arbor, Michigan JAMES XAVIER CQRGAN 1Q£7 All Rights Reserved QUATERNARY MICROMOLLUSC AN FAUNA OF THE MUDLUMP PROVINCE, MISSISSIPPI RIVER DELTA A Dissertation Submitted to the Graduate Faculty of Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Department of Geology James X^Corgan B.A., New York University, 1955 M.A., Columbia University, 1957 June, 1967 ACKNOWLEDGMENTS Continuing aid and encouragement from Dr. Alan H. Cheetham and Dr. James P. Morgan made th is dissertation possible. Research was directed by Dr. Cheetham and essentially completed during his tenure as Associate Professor of Geology, Louisiana State University. -
Molluscs of Christmas Island
Records of the Western Australian Museum Supplement No. 59: 103-115 (2000). MOLLUSCS OF CHRISTMAS ISLAND Fred E. Wells and Shirley M. Slack-Smith Western Australian Museum, Francis Street, Perth, Western Australia 6000, Australia Christmas Island is towards the lower end of sources. Maes considered that the paucity of species species diversity for similar coral reef surveys was largely due to the great distances over which undertaken by the Western Australian Museum . planktonic larvae would have to be carried from (Table 8), with a total of 313 species of molluscs areas of similar habitats, further complicated by collected (Table 9). Mollusc diversity was greater at apparently adverse winds and currents. Christmas Island than the 261 species collected at Of the 313 species collected at Christmas Island, Rowley Shoals and the 279 collected at Seott Reef in 245 were gastropods (78.3%) and 63 were bivalves 1984, but fewer than the 433 collected at Ashmore (20.1 %). No scaphopods, only three species of chitons Reef in 1986. However, with 15 collecting days and two of cephalopods were collected although compared to the maximum of 12 on Ashmore Reef other cephalopod species were seen. This breakdown and the fact that there were three people primarily of the fauna is almost identical to the results from the interested in molluscs on Christmas Island as northwestern shelf-edge atolls of Western Australia, opposed to two on the other expeditions, the where 77.3% of the total of 581 species collected were molluscan fauna of Christmas Island can be seen to gastropods and 20.7% were bivalves (Wells, 1994). -
Zoologische Mededelingen Uitgegeven Door Het
ZOOLOGISCHE MEDEDELINGEN UITGEGEVEN DOOR HET RIJKSMUSEUM VAN NATUURLIJKE HISTORIE TE LEIDEN (MINISTERIE VAN CULTUUR, RECREATIE EN MAATSCHAPPELIJK WERK) Deel 53 no. 13 25 oktober 1978 THE MARINE MOLLUSCAN ASSEMBLAGES OF PORT SUDAN, RED SEA by M. MASTALLER Ruhr-Universität Bochum, Lehrstuhl für Spez. Zoologie Bochum, West-Germany With one text-figure and one table ABSTRACT This study summarizes field observations and collections of the molluscan fauna of the coastal and offshore reefs in the area of Port Sudan, Central Red Sea. In spite of the fact that some families of this group were described from several areas of the Red Sea, there exists only little information on the entire faunal composition of this region. 282 species of Amphineura, Gastropoda, and Bivalvia, collected and studied in nine localities are listed according to their habitats. Moreover, descriptions of the prominent members of typical molluscan assemblages are given for 13 habitats and microhabitats which differ in their morphological structures and in their hydrographic and physiographic conditions. Emphasis is placed on further studies on the trophic interactions within certain habitats. INTRODUCTION Although there is a considerable number of taxonomie literature on some molluscan families in the Indo-West-Padfic (Abbott, i960; Burgess, 1970; Cernohorsky, 1967; Habe, 1964; Kira, 1962; Powell, 1964; Rosewater, 1965), there is comparatively scarce information for the Red Sea. After the exten• sive surveys and descriptions of Issel, 1869, Hall & Standen, 1907, Jickeli, 1874, Shopland, 1902, and Sturany, 1901, 1903, in more recent times only a few studies were published on the entire faunal composition of molluscs in this region. Most of these publications deal with certain families, sometimes they also give information about their zoogeographical distribution in the Red Sea: Thus the cypraeids seem to yield the best information on their occurrence throughout the region (Foin, 1972; Mienis, 1971b; O'Malley, 1971; Schilder, 1965). -
Full Text -.: Palaeontologia Polonica
ACAD~MIE POLONAISE DES SCIENCES INSTITUT DE PALEOZOOLOGIE PALAEONTOLOGIA POLONICA-No. 32, 1975 LOWER TORTONIAN GASTROPODS FROM !(ORYTNICA, POLAND. PART I (SLIMAKI DOLNOTORTONSKIE Z KORYTNICY. CZ~SC I) BY WACLAW BALUK (WITH 5 TEXT-FIGURES AND 21 PLATES) W ARSZA W A- KRAK6w 1975 PANSTWOWE WYDAWNICTWO NAUKOWE R ED AKTOR - R£DACT EUR ROMAN KOZLOWSKI Czlone k rzeczywisty Polsk iej Ak ad emii Na uk Membre de l'Ac ademie Polon aise des Sciences iASTJ;PCA R EDAKTORA - R£DACT EUR S UPPL£~NT ZOFIA KIELAN-JAWOROWSKA Czlonek rzeczywisty Polskiej Akad emii Nauk Membre de l'Acade mie Polon aise des Scienc es Redaktor technic zny -Red acteur tech niqu e Anna Burchard Adres R edakcji - Ad resse de la Redacti on Institut de Paleozoologie de I'Ac adernie Polon aise des Scie nces 02-089 War szawa 22, AI. Zwirki i Wigur y 93 Copyright by Panstwowe Wydawnictwo Nau kowe 1975 Printed in Poland Pan stwowe Wydawnictwo Naukowe - Warszawa N aklad 600 +90 egz, Ark . wyd, 18,75. A rku szy druk. 11" / " + 21 wk ladek. Pa pier wkleslod ruk. kl. III 61x 86 120g. Odda no do sklada nia 13. V. 1974r. Podp isan o do druku 10. Ill. 1975 r. D ru k ukonczono w kwietniu 1975 r. Druka rni a Un iwersy te tu Jagiellon skiego w Krakowie Za m, 605/74 C ONTENT S Page INTRODUCTION General Remarks . .. .. .. ... .. 9 Previou s investigations of the gastropod assemblage from the Korytn ica clays . 10 The accompanying fauna . 15 Characteristics of the Korytnica Basin. 17 SYSTEMATIC DESCRIPTIONS Subclass Prosobranchia MILNE-EDWARDS, 1848 21 Order Archaeogastropoda THIELE, 1925 .