Fig. 4From: Another lesson from beautiful monsters: the case of 'sex reversals' in the Ammonoidea and their significanceComparison of specimens mbe.9305 (black arrow), and mbe.1401 (white arrow) with the diameter frequencies of (A) Peltoceras athleta macroconchs, and (B) Peltoceras athleta microconchs databased by Bonnot [25]Back to article page