Campylognathoides liasicus, Pittsburgh Specimen pterosaur #10 Stegosaurus There are currently 19 recognized

There are currently 19 recognized subspecies

The skeleton of a juvenile Tyrannosaurus rex was discovered in the Cretaceous

along the Indian Creek southwest of Crawfordsville

But these dinosaurs could not fly because their arms were too short to function as wings

and a pygidium

Campylognathoides liasicus, Pittsburgh Specimen pterosaur #10 Stegosaurus There are currently 19 recognizedCampylognathoides liasicus Pittsburgh Specimen Pterosaur This is one of the most complete specimens of Campylognathoides liasicus from the Jurassic of Holzmaden, Germany. Called the Pittsburgh specimen, it is one of the prize fossils in the collection that the Carnegie Museum in Pittsburgh, PA purchased from the Belgian Baron de Bayet in 1903. The Baron had bought this specimen from the noted Holzmaden paleontologist Bernhard Hauff who had discovered