Image of Rangia cuneata clam shells.
Rangia cuneata clam shells with edge damage and modification. Top row and second row left: with edge damage patterns interpreted as resulting from shucking. Second row right and third row left: with cut margins. Third row right and bottom row left: notched. Bottom row right, 90-degree snap fracture. Adapted from Weinstein 2002, Figure 9-8.
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