A typical heterodont clam is in the upper left of this diagram; the rest are rudist clams. In the lower right is a drawing of the type of rudist photographed above. Diagram from Schumann & Steuber (1997; Kleine Senckenbergreihe 24: 117-122).
A typical heterodont clam is in the upper left of this diagram; the rest are rudist clams. In the lower right is a drawing of the type of rudist photographed above. Diagram from Schumann & Steuber (1997; Kleine Senckenbergreihe 24: 117-122).