The horned dinosaur Pachyhinosaurus possesses rugose bony bosses across the skull roof in lieu of the projecting bony horn cores seen in most ceratopsians. This elaboration of typical ceratopsian ornaments provides an opportunity to test hypotheses…
Study of ancient disease (paleopathology) is a powerful tool for understanding lifestyle and population dynamics, as well as the history of disease in antiquity. The major premise of paleopathology is that diagnoses of conditions of living animals…
As paleopathology has evolved from observational speculation to analysis of testable hypotheses, so too has recognition of its contribution to vertebrate paleontology. In the presence of significant structural and density variation (between matrix…