Browse Items (4 total)

Recognition of avascular necrosis through propodial head subsidence in fossils indicates that plesiosaurs were susceptible to decompression syndrome and implies deep, prolonged or repetitive diving behavior for these animals. Contrary to the…

Odontochelys semitestacea, the oldest known turtle, from the Late Triassic of China, shows a pathology. Sharply defined, focal depressions were noted on the articular surfaces of both humeri, documenting avascular necrosis. Diving habits of Mesozoic…

It was proposed that the power stroke in primates has two distinct periods of occlusal contact, each with a characteristic motion of the mandibular molars relative to the maxillary molars. The two movements are called phase I and phase IT, and they…

Procreodi is an order of Paleocene and Eocene mammals thought to lie at the base of the radiation of the paraphyletic condylarths.' Taxa within the order have been linked to the origins of other condylarth groups, and of some living orders. Within…
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