A mollusk, like an oyster or clam, with a shell consisting of 2 hinged parts
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Bivalve | Define Bivalve at Dictionary.com  Zoology. any mollusk, as the oyster, clam, scallop, or mussel, of the class ... bivalve, bvalv, n. an animal having a shell in two valves or parts, like the oyster: a ... having a laterally compressed body, a shell consisting of two hinged valves,...
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Bivalve shell - Wikipedia  A bivalve shell is part of the body, the exoskeleton or shell, of a bivalve mollusk. In life, the shell of this class of mollusks is composed of two hinged parts or ... The valves of the shell are made of either calcite (as with, e.g. oysters) or both calcite ... In life the ligament opens the shell (like a bent eraser in a door hinge), and the...
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lamellibranch (mollusk) - Memidex dictionary/thesaurus  "lamellibranch" (mollusk) definition: a marine or freshwater mollusk having a soft body with plate-like gills enclosed within 2 shells hinged... ... molluscs with laterally compressed bodies enclosed by a shell in two hinged parts. Bivalves ... A mollusk, such as an oyster or a clam, that has a shell consisting of two hinged valves.
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Bivalvia - Wikipedia  Bivalvia, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. ... They include clams, oysters, cockles, mussels, scallops, and numerous other families that live in...
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Bivalvely - definition of bivalvely by The Free Dictionary  Having a shell consisting of two hinged valves. 2. ... Also: bivalvate having or consisting of two valves or similar parts: a bivalve seed capsule. ... A mollusk, such as a clam or oyster, whose shell consists of two halves hinged together. ... piddock - marine bivalve that bores into rock or clay or wood by means of saw-like shells.
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Oysters - Chefs Pencil  May 4, 2011 ... The Greeks carved their name in the shells and used them for ... Oysters are bivalve molluscs, meaning they have no back bone but have an ... Edulis (Flat or Belon) type oysters incubate their eggs during May to August, ... One of the most famous types though remains the Portuguese oyster from Brittany in...
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Adventist Youth Honors Answer Book/Nature/Shells - Advanced ...  4 4 Distinguish between univalve and bivalve mollusks from the following considerations: 4.1 a. ..... It is exceptionally strong, resilient, and iridescent. ... Many other families of molluscs also have an inner shell layer which is nacreous, including...
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Abalone Shells variety, best pricing and quality - Shells of Aquarius  (A gastropod is a mollusk with head bearing tentacles and eyes, a foot and a one-piece ... The shell under side shows natural nacre "mother of pearl"irredescence and a ... THEY ARE SOMETIMES CALLED THE SEA EAR; IN REFERENCE TO...
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gastropod | class of mollusks | Britannica.com  Mar 20, 2015 ... The class is made up of the snails, which have a shell. ... A few gastropod types (such as conch, abalone, limpets, and whelks) are used as food, ... Some adult marine snails (Homalogyra) and forest-litter snails (Stenopylis, ... Often a number of such shell shapes can be found among species within a single...
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BIVALVES by J.H. Leal, Bailey-Matthews Shell Museum, Florida ...  Bivalves have lost the radula, eyes, or tentacles as present in other molluscs, but ... Hinge teeth -projections that interlock on the inner side of the bivalve shell .... teeth ligament internal anterior ear pallial line without sinus sockets posterior ear ...... of right valve valve Diagnostic characters: Shell large, fan-shaped, triangular.
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Clams, Snails, and Squid: Phylum Mollusca, Class Pelecypoda | The ...  Clams, Snails, and Squid: Phylum Mollusca, Class Pelecypoda. Pelecypods have two shells, or bivalves, that protect the soft parts of the animal. The valves are generally of equal size (except in groups like the oysters) and shape and are hinged at the back.
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tHE tiDE cHAsER: Marine Snails of Singapore  Oct 23, 2012 ... To differentiate one species from another, it is important to know the parts of a snail shell first. ... Nacellid limpets (limpet is a common name for any marine snail with a ... Also, they have folds on the mantle edges acting as secondary gill ... Unlike the rather similar-looking top shells which have thin and...
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These mollusks are famous for the tenacity for which they cling to ...  Jun 29, 2016 ... These edible bivalve mollusks can reach 12 inches across # Quiz # ... These crispy snacks were created for a certain mollusk soup # Quiz #...
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Pearl - New World Encyclopedia  A pearl is a hard, smooth, rounded (not necessarily round), lustrous object ... In these mollusks, nacre is continually deposited onto the inner surface of the ... Chief sources of nacre are the pearl oyster, freshwater pearl mussels, and the abalone. ... Typical stimuli include organic material, parasites, small crabs, food particles...
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Common Marine Bivalves of California - California Digital Library  For a typical bivalve, the California sea-mussel, these would be: ... In the muddy areas of the southern bays, scallops are often encountered lying in the ..... These snails attach themselves to the shell of their victim, drill a small hole .... Jackknife clams are gathered with an arrow-shaped dart on the end of a long, stiff wire.
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Molluscs and Annelids  Protruding from the bottom of the animal is a muscular foot, used by the ... Molluscs are protostomes, one of the two main evolutionary pathways taken by the ... Most have a pair of sensory tentacles on the head, and some have primitive eyes on or near these tentacles. ... Remember you are looking down at it from above.
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hard-shell clam - Memidex dictionary/thesaurus  "hard-shell clam" definitions: Atlantic coast round clams with hard shells; large ... an edible American clam; the heavy shells were used as money by some North ... a thick-shelled edible clam of the United States (8 of 42 words, pronunciations).
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Material as Tough as Steel? The Abalone Fits the Bill - The New ...  Mar 22, 2005 ... Nacre is the iridescent material thickly lining the shells of abalone, shellfish ... mollusks, bivalves and cephalopods like the chambered nautilus.
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Frequently Asked Questions  The Snail Wrangler  Snails have a shell while most slugs have little or no shell, and slugs with tiny shells cannot ... Yes, you could say that land snails are cousins to the snails of the oceans. When you find an empty seashell (the spiral kind, not clam shells) on the beach, ... If you listen closely, you can even hear the snail's radula scraping!
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Giant clam - Wikipedia  The giant clam (Tridacna gigas), known as p'ua in Cook Islands Mori, is a clam that is the largest living bivalve mollusk. .... situated close to the incurrent syphon, which transmit the information directly to the cerebral ganglia, a simple form of brain. ... The clam is considered a juvenile when it reaches a length of 20 cm .
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Sponges and Cnidarians | CK-12 Foundation  Feb 29, 2012 ... nacre: The iridescent inner shell layer produced by some bivalves, some gastropods, and some cephalopods; also known as mother of pearl. ... radula: A molluscan feeding structure, composed mostly of chitin. ... The mantle also releases calcium carbonate that creates the external shell, just like the ones...