Bivalve Anatomy ... (Note: Colors have been added to distinguish organs; they are not the natural colors.) ... Clams, such as the northern quahog, are bivalves, meaning that they have shells consisting of two halves, or valves. The valves are joined at the top, and the adductor muscles on each side hold the shell closed.
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www.assateague.com/nt-bival.html
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Bivalvia - Wikipedia, the free encyclopedia
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Bivalves are marine and freshwater molluscs belonging to the class Bivalvia . Other names for the class include Bivalva , Pelecypoda , and Lamellibranchia . The class contains 30,000 species,...
en.wikipedia.org/wiki/Bivalvia
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The shell of bivalve molluscs is characterized by two calcareous halves, called valves, which can be composed of either calcite ... The outermost layer of the bivalve shell, called the periostracum, is composed of a horny organic substance which in the example is the darker material only on the external part of the shell.
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paleo.cortland.edu/tutorial/Bivalves/bivalvia.htm
paleo.cortland.edu/tutorial/Bivalves/bivalvia.htm
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A bivalve is characterized by possessing two shells secreted by a mantle that extends in a sheet on either side of the body. The oldest part of the shell, the umbo, can be recognized as a large hump on the anterior end of the dorsal side of each shell.
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animaldiversity.ummz.umich.edu/site/accounts/informatio...
animaldiversity.ummz.umich.edu/site/accounts/information/Bivalvia.html
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Encyclopedia article about bivalve. Information about bivalve in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary. bivalve mollusk, bivalve mollusks ... Bivalve Shells...
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encyclopedia2.thefreedictionary.com/bivalve
encyclopedia2.thefreedictionary.com/bivalve
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This is an introduction to the Bivalves (ie, Pelecypoda) the second larges class of Molluscs they are found in fresh and salt water all around the world, wherever there is enough CaCo ... The male bivalves then release their sperm into the same water. If the eggs and sperm meet, a new baby bivalve is born. Some of my...
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www.manandmollusc.net/beginners_intro/pelecypoda.html
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A basic overview of the Cephalopods ... In Bivalves the head and radula have completely disappeared. The bivalve body consists mostly of a muscular foot in the anterior, and a series of gills (ctenidia) amid a pair of siphons (if present) in the center and posterior.
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www.palaeos.com/Invertebrates/Molluscs/Bivalvia/Bivalvi...
www.palaeos.com/Invertebrates/Molluscs/Bivalvia/Bivalvia.html
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Bivalve, common name for any mollusk characterized by a shell divided into two valves hinged at one side, gills specialized for feeding, and a reduced ... Bivalve, common name for any mollusk characterized by a shell divided into two valves hinged at one side, gills specialized for feeding, and a reduced head.
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encarta.msn.com/encyclopedia_761554762/Bivalve.html
encarta.msn.com/encyclopedia_761554762/Bivalve.html
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Definition of bivalve in the Medical Dictionary. bivalve explanation. Information about bivalve in Free online English dictionary. What is bivalve? Meaning of bivalve medical term. What does bivalve mean? ... -valve; bivalve speculum; blood poisoning; FISH; fish poisoning;
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medical-dictionary.thefreedictionary.com/bivalve
medical-dictionary.thefreedictionary.com/bivalve
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