परिवार Tridacnidae के जीनस टाइप करें: विशाल क्लैम्स

tridacna's Usage Examples:

The Papuans are mostly ignorant of iron, but work skilfully with axes of stone or tridacna shell and bone chisels, cutting down trees 20 in.

A two-edged weapon, of which the blade is of sharks' teeth, and a defensive armour of braided sennit, are also peculiar to the islands; a large adze, made of the shell of the Tridacna gigas (the largest bivalve known), was formerly used in the Carolines, probably by the old builder race.

Tridacna.

tridacna's Meaning':

type genus of the family Tridacnidae: giant clams