Tyrannosaurus rex, right hand and arm of Tinker Kentrosaurus Dromaeosaurs had feathers and other

Dromaeosaurs had feathers and other features like hollow bones that are used in flight

It is one of the most completely preserved and most abundant Palaeozoic tetrapods

After confirming that it was a unique discovery

with cheek-teeth separated from the chisel-like front teeth by a wide tooth-less gap

Tyrannosaurus rex, right hand and arm of Tinker Kentrosaurus Dromaeosaurs had feathers and otherThis is a replica of the right forearm from the juvenile Tyrannosaurus rex knows as Tinker. Tinker was perhaps 75% of adult size. This specimen is of the two fingered hand, ulna and radius. The last photo on the right is a side by side comparison of the Tinker arm and an adult Trex. When Tyrannosaurus rex was first discovered, the humerus was the only element of the forelimb known. For the initial mounted skeleton as seen by the public in 1915, Osborn