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Topic: Bivalvia

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	Highbeam Encyclopedia - Search Results for Bivalvia
		Vertical transmission of chemoautotrophic symbionts in the bivalve Solemya velum (bivalvia: protobranchia).
		Genetic and morphometric characterization of mussels (Bivalvia: Mytilidae) from mid-Atlantic hydrothermal vents.
		Freshwater mussels (bivalvia: unionidae) of the village creek drainage basin in southeast texas.
	www.encyclopedia.com /SearchResults.aspx?Q=Bivalvia (977 words)

	Architectural constraints of the morphogenesis of prismatic structures in Bivalvia
		It is based on the spacing of a lamellar layer, the spacing of a fibrous layer, and the relative growth rate of the expanding ligament with respect to enlargement of the ligamental area.
		Geometric properties of the shells of 123 species of extant Bivalvia were analyzed from the viewpoint of theoretical morphology.
		The geometry of the commarginal shell sculpture and internal microgrowth pattern in 82 species of the Bivalvia were analyzed both theoretically and empirically.
	www.ipc.shizuoka.ac.jp /~sbtubuk/abstracts.htm (3394 words)

	Bivalvia
		The class Bivalvia are known as the bivalves because they typically have two-part shells, with the parts more or less symmetrical.
		Bivalves appeared late in the Cambrian explosion and came to dominate over Brachiopods[?] during the Palaeozoic; indeed, by the End Permian extinction, bivalves were undergoing a huge radiation in numbers whilst brachiopods took a devastating hit, along with almost all other life (~95% species become extinct).
		Although inevitable biases exist in the fossil record and our documentation thereof, bivalves essentially appear to be better adapted to aquatic life.
	www.ebroadcast.com.au /lookup/encyclopedia/bi/Bivalvia.html (321 words)

	The Paleobiology Database
		(1989); it was synonymized objectively with Bivalvia by Newell (1969), Vokes (1980) and Giribet and Wheeler (2002).
		It was reranked as the subclass Protobranchia by Purchon (1987), Salvini-Plawen and Steiner (1996) and Reid (1998); it was considered an invalid subgroup of Bivalvia by Giribet and Wheeler (2002).
		It was assigned to Bivalvia by Ridewood (1903), Pelseneer (1906), Pelseneer (1911), Purchon (1987), Salvini-Plawen and Steiner (1996) and Reid (1998).
	flatpebble.nceas.ucsb.edu /cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_name=Bivalvia (148 words)

	MOLLUSCS: BIVALVIA IN HAMILTON HARBOUR - Bivalvia Physiology
		MOLLUSCS: BIVALVIA IN HAMILTON HARBOUR - Bivalvia Physiology
		Thus, this stage is a dispersal mechanism used to increase the chance of successful fertilization and proliferation of the species.
		Known for their great diversity and shear number of species, Bivalvia has managed to be one of the most evolutionarily successful classes.
	www.science.mcmaster.ca /Biology/Harbour/SPECIES/BIVALVIA/RESOURCE/PHYSIO/PHYSIO.HTM (1026 words)

	MUSSEL Project \| About the Unionoida
		Freshwater mussels of the order Unionoida are classified as part of the Bivalvia, which is itself grouped in the Mollusca.
		Water passes through the seive-like ctenidia, and food particles, which are trapped in mucus, are passed forward toward the mouth to be sorted and ingested.
		On bivalve phylogeny: a high-level analysis of the Bivalvia (Mollusca) based on combined morphology and DNA sequence data.
	clade.acnatsci.org /mussel/m/about/bivalvia.html (1233 words)

	STEM GROUP BIVALVIA: WHERE TO BEGIN? (Site not responding. Last check: 2007-10-26)
		Ever since Laacaze-Duthiers (1857), scaphopods have been considered to be the living class of the Mollusca most closely related to the Bivalvia.
		If this were true, then rostroconchs are either stem group scaphopods or stem group diasomes (Runnegar and Pojeta, 1974; Salvini-Plawen, 1980: Steiner, 1992; Engeser and Riedel, 1996; Runnegar, 1996) and the Bivalvia stands alone as a monophyletic clade.
		This is because the total group is thought to have originated at the latest common ancestor of the Bivalvia and the Cyrtosoma: (Gastropoda (Cephalopoda, Scaphopoda)).
	gsa.confex.com /gsa/2002AM/finalprogram/abstract_37953.htm (260 words)

	Mr. Rossheim’s ZooBlog » Blog Archive » Period 4 - Bivalvia (Site not responding. Last check: 2007-10-26)
		This entry was posted on Monday, September 25th, 2006 at 12:45 pm and is filed under Uncategorized.
		The clam is a filter feeder because the water taken in by the incurrent siphon is transported to the gills, where oxygen is filtered and zooplankton is filtered through by the bivalve’s cilia moved into the stomach.
		The bivalvia organisms take food sources and water in through their incurrent siphon which is filtered through the gills and the food is then funneled in to the mouth.
	rossheimb.edublogs.org /2006/09/25/period-4-bivalvia (1903 words)

	MUSSEL Project \| About the Unionoida
		Mollusca: Bivalvia, the Higher Classification of the Unionoida.
		For a complete introduction to freshwater mussels, one must have an appreciation for the position of the Unionoida on the Tree of Life.
		There are several working hypotheses available for the arrangement of the Bivalvia, but, for our purpose here, they are roughly equivalent — for another widely cited source, see Brusca and Brusca (1990).
	clade.acnatsci.org /mussel/m/about/mollusca.html (821 words)

	Wildlife of Sydney - Clams, mussels, pipis and oysters - Bivalvia
		Wildlife of Sydney - Clams, mussels, pipis and oysters - Bivalvia
		Bivalves are molluscs, well-known to humans who have developed a taste for many of them.
		Some attach themselves to hard surfaces using tough 'byssal threads', some burrow into the sand, and others, like oysters, cement themselves to a rock surface.
	faunanet.gov.au /wos/group.cfm?Group_ID=8 (147 words)

	Sydney Shell Club, Worldwide Book and Aricle list
		A new generic name for three recent and one fossil species of Mytillidae (Mollusca: Bivalvia) in southern Australia, with descriptions of the species.
		The Bivalvia – Proceedings of a Memorial Symposium in Honour of Sir Charles Maurice Yonge, Edinburg, 1986.
		Relocation of Ervilia Turton 1822 (Bivalvia) from the Mesodesmatidae Mesodesmatoidea) to the Semelidae (Tellinoidea),
	www.sydneyshellclub.net /booksbivalvia.html (587 words)

	[No title] (Site not responding. Last check: 2007-10-26)
		Many of the muscles present in the Bivalvia are attached to the interior of the shell and leave on it a series of scars, some well impressed, others not so (Moore, 1969).
		Class Bivalvia (Lamellibranchia or Pelecypoda) - Early Cambrian to Holocene.
		Bivalved shells; dorsal margins of which are typically with crenulations known as teeth and sockets.
	www.cox-internet.com /coop/bivalvia.html (2688 words)

	A. Tan
		Shell and pallet morphology of early developmental stages of Bankia gouldi (Bartsch, 1908) (Bivalvia: Teredinidae).
		The Role of environment on shell growth dynamics of Corbicula fluminea (Mollusca: Bivalvia).
		Temporal variation in microstructure of the inner shell surface in Corbicula fluminea (Bivalvia: Heterodonta).
	wwwfac.worcester.edu /biology/a__tan.htm (339 words)

	Bivalvia 2006 (Site not responding. Last check: 2007-10-26)
		In addition, we had the signal session for the multi-author endeavour to revise a world-wide reference book for bivalve workers: “The Treatise on Invertebrate Paleontology, part Bivalvia”.
		The numerous positive answers from colleagues to a preliminary inquiry and the very diverse and interesting research topics they represent prevented us from specifying a narrow theme for this event.
		Rather than this, we would like to invite neontologists and paleontologists to present their most recent research results on any aspect of bivalve biology, including ecology, freshwater mussels, conservational biology, ontogeny, evolution, phylogenetics, palaeontology, systematics, and contributions on other molluscan taxa as long as they shed light on the origin and phylogeny of the Bivalvia.
	bivalvia2006.uab.es (1489 words)

	Bivalvia (Site not responding. Last check: 2007-10-26)
		Clams, oysters, mussels, and scallops are all in the class Bivalvia.
		They have shells divided into two halves with hinges and powerful muscles to protect the soft body.
		They use their muscular foot to dig and to attach to rocks, docks, boats, and other animals, but they can also move by flapping their shells.
	www.jayarams.com /mollusca/biv.html (92 words)

	: Zoology/Class_Bivalvia (Site not responding. Last check: 2007-10-26)
		Clam Dissection Guide - A guide only, no photographs or diagrams, yet there is much material on taxonomy, and description of structure and function.
		Class Bivalvia - The clams, mussels, oysters, and their relatives.
		Zebra Mussel Research Program - Zebra mussels, an introduced mollusc, are now found in a great number of eastern waterways in the U. This site has an enormous amount of information, as well as photos.
	www.mhhe.com /links/pages/Zoology/Class_Bivalvia (89 words)

	Mussels and Clams (Bivalvia)
		Usually they are large enough to cover and protect all of a mussel's body.
		The generally accepted systematic name (in contrary to some others) of all mussels, clams and scallops - Bivalvia - the two-valve molluscs - refers to the most important character of all bivalves, that separates them from all other molluscs: The shell is separated into two pieces.
		Because of its high variability the shell form is also the most important identification criterion in bivalves.
	www.weichtiere.at /Mollusks/Muscheln/haupt.html (2852 words)

	ADW: Bivalvia: Information
		A septibranch bivalve has a septum across its mantle cavity, which functions to pump in food.
		Thus, Bivalvia is the only molluscan class characterized by the absence of a radula.
		This type of larva looks like a miniature bivalve with a row of cilia along the edge of the mantle.
	animaldiversity.ummz.umich.edu /site/accounts/information/Bivalvia.html (739 words)

	Bivalvia 2006 (Site not responding. Last check: 2007-10-26)
		Checa, A. Microridges in the inner dorsal shell of Pectinidae (with F. Esteban Delgado, C. Salas) (T) Evseev, G. Hinge morphogenesis of some mussel species (Bivalvia: Mytilidae) (with Kolotukhina, N.K. and Semenikhina, O.Y.) (P) García-March, J. Polymorphism
		Delvene, G. Cretaceous Spanish margaritiferids (Unionoidea) (with R. Araujo, D. Bermúdez-Rochas) (P) Fang, Z. A new scenario for the early evolution of the Bivalvia (T) Harnik, P. Abundance as a factor in marine bivalve extinctions over geologic time (with C. Simpson) (T) Hartman
		(with C. Toledo, A. Machordom) (T) Bataller, J. Presence of the alien bivalve Dreissena polymorpha (Pallas, 1771) in the Valencia region, Spain (with J. Hernández, A. Pradillo) (P) Bataller, J. Ecology and distribution of freshwater mussels (Bivalvia: Unionidae) in the Valencia region (with J. Hernández, A. Pradillo) (P) Dunca
	bivalvia2006.uab.es /02programme.html (1552 words)

	Resources from www.BiologyBrowser.org
		It is intended for use by FWS personnel, other agency personnel, State and local government partners, volunteers, contractors and other interested stakeholders that are working to prevent zebra mussels and other aquatic nuisance species from crossing the 100th Meridian into the west
		A Key to the Freshwater Mussels (Bivalvia: Unionidae) of the Hudson Bay and Lake Superior Drainages of Northern Minnesota, North Dakota, and Canada
		A Systematic Survey of the Paleozoic and Mesozoic Gastropoda and Paleozoic Bivalvia from Japan
	www.biologybrowser.org /cgi-bin/search/hyperseek.cgi?Terms=Bivalvia (300 words)

	Definition of bivalvia - Merriam-Webster Online Dictionary
		Click here to search for another word in the Merriam-Webster Online Dictionary.
		Learn more about "bivalvia " and related topics at Britannica.com
		Find more about "bivalvia " instantly with Live Search
	www.m-w.com /cgi-bin/dictionary?book=Dictionary&va=Bivalvia (31 words)

	NATURE : Marine Life : Bivalvia books, find the lowest prices
		Subjects : NATURE : Marine Life : Bivalvia
		You may browse this category by title or by publication date.
		Catalogue of Type Species (Bivalvia, Scaphopoda & Cephalopoda) Present in the Mollusca Section of Zoological Survey of India
	www.allbookstores.com /Nature/Marine_Life/Bivalvia.html (285 words)

	Biology4Kids.com: Bivalvia
		Bivalvia refers to the fact that these creatures have two shells.
		Go for site help or list of biology topics at the site map!
		They are paid advertisements and neither partners nor recommeded web sites.
	www.biology4kids.com /misc/bivalvia.html (59 words)

	Class Bivalvia 1
		The Class Bivalvia (Pelecypoda) contains more than 20,000 species of clams, oysters, mussels, scallops, cockles, shipworms, etc. ranging in size from tiny seed shells to the giant clams found in the South Pacific that weigh over 200 kg.
		Bivalves are distinguished by being having laterally compressed bodies encased in two shell (valves) that are held together by a dorsal hinge ligament that causes the valves to open ventrally.
		Note: This page is best viewed at a screen size of 800 X 600 pixels
	bioweb.uwlax.edu /zoolab/Table_of_Contents/Lab-5a/Class_Bivalvia_1/class_bivalvia_1.htm (216 words)

	Image Quest Marine Stock Photo Library : bivalvia
		Click here to do a keyword search for images.
		Top > aquatic > mollusca > bivalvia > Page 4
		For Terrestrial Images visit our sister library by clicking on the flower below.
	www.imagequest3d.com /cgi-bin/ImageFolio4/imageFolio.cgi?direct=aquatic/mollusca/bivalvia&img=96 (114 words)

	Links SQL: Biological Science/Plants Animals and The Environment/Zoology/Class Bivalvia
		Links SQL: Biological Science/Plants Animals and The Environment/Zoology/Class Bivalvia
		Home : Biological Science : Plants Animals and The Environment : Zoology : Class Bivalvia
		Nice photograph of internal anatomy, but not labeled.
	www.mhhe.com /links/1253/1249/1178/789/index.html (90 words)

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