A class or group of mollusks (like clams and mussels) characterized by having hinge teeth of different shapes, adapted for interlocking shells.
From Greek hetero- (different) and odon (tooth), referring to the varied hinge structures found in bivalve shells.
Clam hinge teeth are like nature's engineering masterpiece—each species evolved unique interlocking teeth patterns that prevent their shells from twisting, and these patterns are so distinctive that paleontologists use them to identify fossil species!
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