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probably skimming the water to find prey
It used to be called Buettneria perfecta until very recently (2007) when somebody noticed that the genus name was preoccupied by a cricket
particularly Illinois and Indiana
Others are less easy to interpret and may belong to extinct phyla
dense with blood vessels
Tyrannosaurus rex, right hand Styracosaurus probably skimming the water toThis is a replica of the right hand of Tyrannosaurus rex. 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 substituted longer, three fingered forelimbs like those of Allosaurus. However, a year earlier, Lawrence Lambe described the short, two fingered forelimbs of the closely related Gorgosaurus. This strongly suggested that
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