The latest Triassic is notable for coinciding with the dramatic decline of many previously
dominant groups, followed by the rapid radiation of Dinosauria in the Early Jurassic. Among …

Studies on pathological fossil bones have allowed improving the knowledge of physiology
and ecology, and consequently the life history of extinct organisms. Among extinct …

Sarahsaurus aurifontanalis, from the Kayenta Formation of Arizona, is one of only three
sauropodomorph dinosaurs known from the Early Jurassic of North America. It joins …

Massospondylus carinatus Owen, 1854, from the earliest Jurassic upper Elliot Formation of
South Africa, was one of the first dinosaurs to be described from Gondwana. It has been …

Adult large-bodied theropods are often found with numerous pathologies. A large, almost
complete, probably adult Allosaurus specimen from the Howe Stephens Quarry, Morrison …

Osteomyelitis is reported for the first time in a sauropod dinosaur. The material (MCS‐PV
183) comes from the Anacleto Formation (Campanian, Late Cretaceous), at the Cinco Saltos …

Titanosaurs are the only group of sauropodomorph dinosaurs that possesses osteoderms.
The Anacleto and Allen formations (Upper Cretaceous) from northern Patagonia (Argentina) …

Reptiles are the only amniotes that maintain the capacity to regenerate appendages. This
study presents the first anatomical and histological evidence of tail repair with regrowth in an …

Derived ornithopods, such as hadrosaurids, show a high occurrence of fossilized lesions
and diseases. However, paleopathologies in iguanodontians seem to be less common …

Paleopathological diagnoses provide key information on the macroevolutionary origin of
disease as well as behavioral and physiological inferences that are inaccessible via direct …