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Ursus spelaeus, Cave Bear Tooth (Canine) AlamosaurusU. spelaeus possessed a well evolved dental battery. Behind a row of 6 incisors protruded two very large and robust canines. From there the gum was void of teeth back to the most rearward premolar. The molars, however, were substantial. Longer and wider than those of any of the cave bears predecessors, the molars had large grinding surfaces which were employed in grinding plants. The chewing muscles must have been exceptionally large judging from the
All photos are of the same egg at different angles and background colors
sharp beak-like tip (which lacked teeth) indicates that its diet was mainly fish and cephalopods
the western United States
researchers have recently returned to Africa hoping to find more evidence of Spinosaurus and other dinosaurs
has become one of the foremost paleontological sites in the world since the discovery of Sinosauropteryx
meaning it is a genus which is represented by only footprints
The largest described U
Waste rock from a coal mine active in the 1800s
and Vietnam
they were not the first specimens to be discovered
Robert Bakker
Location: Mongolia Formation: Red Beds of Khermeen Tsav Age: Late Cretaceous
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