101. UCSC Biology 150/Mollusca Phylum mollusca. Polyplacophora; Conchiferans Monoplacophora; Gastropoda; Bivalvia;Scaphopoda; Cephalopoda. Mollusc Images. Back to the List of Invertebrate Phyla. http://www.biology.ucsc.edu/classes/bio136/molluscs/mollusca.html

102. Swiss-Prot Taxonomic Query: Mollusca The Classes of Phylum molluscaThe Classes of Phylum mollusca. Chaetodermomorpha, chaetodermorphs. Neomeniomorpha,neomeniomorphs. Polyplacophora, chitons. Monoplacophora, monoplacophorans. http://ch.expasy.org/cgi-bin/get-entries?OC=Mollusca

103. Systematic Palaeontology: The Phylum Mollusca Systematic Palaeontology The Phylum mollusca. by. Debbie Langer andChris Paul, University of Liverpool. 2. Overview of the mollusca. http://www.ukescc.co.uk/products/mollusca.html

Systematic Palaeontology: The Phylum Mollusca by Debbie Langer and Chris Paul, University of Liverpool This interactive courseware module is intended to introduce first and/or second year students to the basics of invertebrate palaeontology, including definition, basic morphology, mode of life and geological applications of a major group of invertebrate fossils. The module occupies about 10Mb and consists of five units accessed via a main menu. Throughout the module extensive use is made of fossil mollusca images, animations and hot words. Clicking on a hot word leads to the display of a description, definition or more detailed explanation of the word's meaning. Information is presented in a variety of ways, including multiple-choice questions. With these, if an incorrect answer is selected, the reasons why it is incorrect are explained, clues about the correct answer given, and the user asked to try again. When the correct answer is given, a confirming explanation is given and the user allowed to proceed. The units are accessed from this menu. 1. About this module

104. Mollusca Marine Biology San Diego City College. mollusca Bivalves - thosewith 2 shells. See more on abalone. mollusca of MBL - Woodshole, http://home.san.rr.com/marbio/mollusca.html

Marine Biology - San Diego City College Mollusca Bivalves - those with 2 shells (Right) Larva of the Pacific oyster ( Crassostrea gigas ). Conspicuous velum is projecting from the shell. This is the organ used for swimming and feeding in the larval forms. Cephalopods - "head foot" Right) Dosidicus gigas caught in the Sea of Cortez by Jay Vavra. Click right to see an larger image. Also, see the giant ganglion and axons studied by neurophysiologists. Gastropods "stomach foot" (Right) Veliger larva of the red abalone ( Haliotis rufescens ). This larva is lecithotrophic and therefore must rely on maternally supplied energy reserves. See more on abalone Mollusca of MBL - Woodshole Back to CLASS HOME PAGE Page by Jay Vavra Photos: oyster and squid (Jay Vavra), abalone (Will Jaeckle)

105. MOLLUSCA mollusca. Subphylum Aculifera. Class Polyplacophora (Chitons). Aplacophora.Subphylum Conchifera. Class Gastropoda (Gastropods). Bivalvia (Bivalves). http://www.il-st-acad-sci.org/kingdom/anim005.html

MOLLUSCA Subphylum: Aculifera Class: Polyplacophora (Chitons) Aplacophora Subphylum: Conchifera Class: Gastropoda (Gastropods) Bivalvia (Bivalves) Scaphopoda (Scaphopods) Cephalopoda (Cephalopods) Kingdoms Project ISAS homepage Armando G. Amador Last update: Tuesday, 01 June, 1999 07:39:58 AM

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107. TAXIS Information System, M.N.H.N. Paris Translate this page Welcome. to. CLEMAM. powered by. TAXIS. CLEMAM. http://www.somali.asso.fr/clemam/

Welcome to CLEMAM powered by TAXIS CLEMAM

108. Your Browser Does Not Support Frames. We Recommend Upgrading Your http://www.kolouch.com/

Your browser does not support frames. We recommend upgrading your browser. Click here to enter the site.

109. Key To New Zealand Molluscs http://toroa.otago.ac.nz/pubs/spencer/Molluscs/

110. The Shape Of Life . Molluscs | PBS Including Clams, Snails, Slugs, Nautilus, Squid, Octopus. Molluscs show anamazing degree of diversity, yet all have certain features in common. http://www.pbs.org/kcet/shapeoflife/animals/molluscs.html

Including: Clams, Snails, Slugs, Nautilus, Squid, Octopus Molluscs show an amazing degree of diversity, yet all have certain features in common. All have soft bodies and have a strong muscular foot, which is used for movement or grasping. They also have gills, a mouth and an anus. A feature unique to molluscs is a file-like, rasping tool called a radula. This structure allows them to scrape algae and other food off rocks and even to drill through the shell of prey or catch fish. The diversity of molluscs impressively demonstrates how a basic body plan can evolve into a variety of different forms adapted to specific environments. For example, the hard shell in a land-dwelling snail is relatively large and serves to protect the animal. In the fast-swimming squid, however, the shell is reduced to a small internal pen-shaped structure. Learn more about Molluscs in "Survival Game" Website links about Molluscs Rasping organ called a radula: present in all groups except bivalves and Aplacophora Muscular foot: used for locomotion and other tasks A sheath of tissue called the mantle that covers the body and can secrete the shell (if there is one) A mantle cavity that houses the gills or lungs A calcium shell present in most molluscs: some molluscs have greatly reduced their shells, e.g., squid; while others have completely lost it, e.g., slugs, nudibranchs, and octopus

111. SPECIES DIRECTORY - THE MARINE CONSERVATION SOCIETY A Species Directory of the marine fauna and flora of the British Islesand its surrounding seas. WORLDWIDE WEB EDITION. This listing http://www.tcd.ie/Environmental_Sciences/species/

A Species Directory of the marine fauna and flora of the British Isles and its surrounding seas WORLDWIDE WEB EDITION A list of the Benthic Marine Algae on Seaweed server (Galway) You can email me from here Bernard Picton (bepicton@mail.tcd.ie). This page is maintained by Bernard Picton with support from the BioMar Project Last updated on April 12th 1996.

112. Archerd Shell Collection Gladys Archerd Shell Collection. at Washington State University TriCitiesNatural History Museum. SERIOUS BROWSING NOTES ON BROWSERS, START HERE http://nighthawk.tricity.wsu.edu/museum/ArcherdShellCollection/ShellCollection.h

Gladys Archerd Shell Collection at Washington State University Tri-Cities Natural History Museum START HERE: CASUAL BROWSING BY MAJOR FAMILY: Photo Galleries OTHER INFORMATION: About the Collection About the Classifications Search the Database Questionable IDs ... Contact Us ABOUT THE COLLECTION Gladys Doy Archerd Shell Collection is a taxonomically classified, scientific collection of about twenty thousand sea shells, varying in size from miniatures to those over 14 inches in size many of which are now rare. Shells of the Pacific Rim comprise its main focus, but shells from many other world regions are part of the Collection as well. Out of print reference books, containing unusually good color plates as aids in identification, are included with the Collection. Gladys Doy Archerd was born in Washington State and lived her adult life in Berkeley, California. She loved the seashore, began collecting shells as a young girl living on the Olympic Peninsula, later became learned in zoological systematics, and continued building the Collection throughout her life into her 80th year. Her collection was well-known in the region, where she also volunteered expert assistance to Stanford University in organizing its shell collections. She was also a published member of the Northern California Malacozoological Club. ABOUT THE SHELL CLASSIFICATIONS The taxonomic identification of shells and their placement in various zoological categories have been substantially updated in recent years, whereas classifications recorded by Gladys Archerd for the Collection were largely completed several decades ago. For all shells here exhibited on the

113. Molluscs QUATERNARY GEOLOGY. GEUS logo link to main page. MOLLUSC RESEARCH, OVERVIEW.What we do! Edited by Kaj Strand Petersen, GEUS Niels E. Poulsen, GEUS. http://www.geus.dk/departments/quaternary-marine-geol/research-themes/env-cli-mo

www.geus.dk Departments Quaternary geology Research topics and themes > This page Printer friendly Bookmark siden QUATERNARY GEOLOGY MOLLUSC RESEARCH, OVERVIEW Research team Kaj Strand Petersen - ksp@geus.dk The clam Donax vittatus Introduction The molluscs are one of the most diverse and largest of all the phyla of the animal kingdom. They are found in most of the earth's environments from the deepest ocean abysses to the dry deserts. Molluscs vary from slow, shelled Pelecypods to the quick, fleshy squids. The molluscs include Cephalopods (ammonites, nautils, belemnites, squids, and octopus), Gastropods (snails), Pelecypods (bivalves), Scaphopods (tusk shells), Chitons, the extinct Hyotithids, and Monoplacophora. The study of molluscs is called malacology. Gastropoda (meaning stomach footed) are the most various and wide ranging of all the molluscs. They are found palaeontologically and through the present in fresh and marine waters, in the ground, on land, in trees, and on mountains. They vary from large, shelled whelks to small, fleshy slugs. Gastropods have existed since the Cambrian Period but they expanded greatly throughout the Mesozoic and Cenozoic Eras. Gastropods include snails, whelks, limpets, periwinkles, and slugs. Pelecypoda, or bivalves, are also found on land in fresh water, and in marine environments. They contain two valves with the body in between. Bivalves have been around since the Cambrian and include clams, oysters, scallops, and mussels.

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