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Polar Dinosaur Bone Histology
Anusuya Chinsamy, T. Rich and P. Vickers-Rich
Journal of Vertebrate Paleontology
Vol. 18, No. 2 (Jun. 15, 1998), pp. 385-390
Stable URL: http://www.jstor.org/stable/4523908
Page Count: 6
You can always find the topics here!Topics: Bones, Dinosaurs, Histology, Femur, Inlets, Geology, Victorians, Dinosaur fossils, Vertebrate paleontology, Polar regions
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We report on the bone microstructure of a hypsilophodont and an ornithomimosaur from the Early Cretaceous, Otway Group of Dinosaur Cove in south-eastern Australia, which at the time lay well within the Antarctic Circle. Although subjected to the same environmental conditions, the dinosaurs exhibit different bone histology. The hypsilophodontid shows a continuous rate of bone deposition, while the ornithomimosaur has a cyclical pattern of bone formation. We interpret these varying patterns of bone microstructure as a reflection of different growth strategies of these dinosaurs.
Journal of Vertebrate Paleontology © 1998 The Society of Vertebrate Paleontology