Fig. 8 in New bioerosion traces in rhynchosaur bones from the Upper Triassic of Brazil and the oldest occurrence of the ichnogenera Osteocallis and Amphifaoichnus

Fig. 8. Indiscrete borings on bone fragments of the rhynchosaurid archosauromorph Hyperodapedon mariensis (Tupi Caldas, 1933) from Buriol Site, Brazil, Hyperodapedon AZ, Carnian. A. UFRGS-PV-1581-T #3; A1, a boring in the opposite face of the arthropod bioerosion trace fossil Amphifaoichnus, but also penetrating it; A2, close up view showing the presence of bone chips in the base of the boring. B. UFRGS-PV-1581-T #7 showing a boring with one rounded termination. C. UFRGS-PV-1581-T #9; C1, an elongated boring with a rounded termination and bone chips scattered on the base; C2, close up view highlighting the bone chips scattered on the base.