what was his profession?
A Geologist and a physician
Ferdinand Vandeveer Hayden
Ferdinand Vandeveer Hayden (September 7, 1829 – December 22, 1887) was an American geologist noted for his pioneering surveying expeditions of the Rocky Mountains in the late 19th century. He was also a physician who served with the Union Army during the Civil War.
how many years ago did the allosaurus exist? 155 to 145 million years ago which period was that? The late Jurassic period describe this creature's physical features It was a typical large theropod, having a massive skull on a short neck, a long, slightly sloping tail and reduced forelimbs. was it a herbivore, carnivore or omnivore? Carnivore did it give birth to the young one or did it lay eggs? Lay eggs in which region were their fossils discovered? The Morrison Formation of Garden Park, north of Cañon City who discovered it? Ferdinand Vandeveer Hayden
wiki:20306072
Ferdinand Vandeveer Hayden [SEP] Introduction
Ferdinand Vandeveer Hayden (September 7, 1829 – December 22, 1887) was an American geologist noted for his pioneering surveying expeditions of the Rocky Mountains in the late 19th century. He was also a physician who served with the Union Army during the Civil War.