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Tridacna

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Tri`dac´na
n.1.(Zool.) A genus of very large marine bivalve shells found on the coral reefs of the Indian and Pacific Oceans. One species (Tridacna gigas) often weighs four or five hundred pounds, and is sometimes used for baptismal fonts. Called also paw shell, and fountain shell.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Tridacna - type genus of the family Tridacnidae: giant clamsTridacna - type genus of the family Tridacnidae: giant clams
mollusk genus - a genus of mollusks
family Tridacnidae, Tridacnidae - large marine hard-shell clams
giant clam, Tridacna gigas - a large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds


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Stable isotopic investigation of physiological and environmental changes recorded in shell carbonate from the giant clam Tridacna maxima.
5 feet) in length, the Tridacna gigas was once a common sight in waters around the Philippine islands.
The large decorated Tridacna clams are one of the highlights of the Paris exhibition; large tridacna squamosa shells were used as cosmetic receptacles and intricately decorated inside and out with Egyptian scenes, featuring lotuses and beautification rituals.
 
 
 
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