dc:title"New bioerosion traces in rhynchosaur bones from the Upper Triassic of Brazil and the oldest occurrence of the ichnogenera Osteocallis and Amphifaoichnus";
dc:description"Fig.4.Feeding traces of Osteocallis on bone fragments of the rhynchosaurid archosauromorph Hyperodapedon mariensis (Tupi Caldas, 1933) from Buriol Site, Brazil, Hyperodapedon AZ, Carnian. A. UFRGS-PV-1581 #3; A1, Osteocallis mandibulus Roberts et al., 2007, associated to arthropod bioerosion trace fossil Amphifaoichnus isp.; A2, details of one of the trails. B. UFRGS-PV-1581 #23; B1, Osteocallis mandibulus associated to a cluster of grooves in crescent shape; B2, schematic drawing highlighting the grooves. C. UFRGS-PV-1581-T #12 showing two overlapping Osteocallis infestans Paes Neto et al., 2016. D. UFRGS-PV-1581-T #11 showing Osteocallis isp. (arrow) associated to a cluster of larger grooves.";