Quotes from book
The Princeton Field Guide to Dinosaurs

Gregory Scott Paul

The Princeton Field Guide to Dinosaurs is a book on dinosaurs written by the paleontologist and artist Gregory S. Paul. It and was published by Princeton University Press in 2010. It has also been printed in a British edition titled Dinosaurs: A Field Guide, published by A & C Black.The Princeton Field Guide to Dinosaurs covers the dinosaurs' biology, their extinction, and many different genera and species, illustrated with many sketches and skeletal drawings.

Gregory Scott Paul photo

“Dinosaur remains have been found by humans for millennia and probably helped form the basis for belief in mythical beasts including dragons.”

Gregory Scott Paul book The Princeton Field Guide to Dinosaurs

Gregory S. Paul (2010) The Princeton Field Guide to Dinosaurs, Princeton University Press, p. 9
The Princeton Field Guide to Dinosaurs

Gregory Scott Paul photo

“Although some dinosaurs may have spent some time feeding in the water like moose or fishing cats, at most a few became strongly amphibious in the manner of hippos, much less marine as per seals and whales. The only strongly aquatic dinosaurs are some birds. The occasional statement that there were marine dinosaurs is therefore incorrect - these creatures of Mesozoic seas were various forms of reptiles that had evolved over the eons.”

Gregory Scott Paul book The Princeton Field Guide to Dinosaurs

Gregory S. Paul (2010) The Princeton Field Guide to Dinosaurs, Princeton University Press, p. 14
The Princeton Field Guide to Dinosaurs

Gregory Scott Paul photo

“When it was assumed that birds did not evolve from dinosaurs, it was correspondingly presumed that their flight evolved among climbers that first glided and then developed powered flight. This has the advantage that we know that arboreal animals can evolve powered flight with the aid of gravity, as per bats. When it was realized that birds descended from deinonychosaurs, many researchers switched to the hypothesis that running dinosaurs learned to fly from the ground up. This has the disadvantage that it is not certain whether it is practical for tetrapod flight to evolve among ground runners working against gravity.
The characteristics of birds indicate that they evolved from dinosaurs that had first evolved as bipedal runners, and then evolved into long armed climbers. If the ancestors of birds had been entirely arboreal, then they should be semiquadrupedal forms whose sprawling legs were integrated into the main airfoil, like bats. That birds are bipeds whose erect legs are separate from the wings indicates that their ancestors evolved to run.”

Gregory Scott Paul book The Princeton Field Guide to Dinosaurs

Gregory S. Paul (2010) The Princeton Field Guide to Dinosaurs, Princeton University Press, p. 52
The Princeton Field Guide to Dinosaurs

Gregory Scott Paul photo

“Dinosaurs seem strange, but that is just because we are mammals biased toward assuming the modern fauna is familiar and normal, and past forms are exotic and alien. Consider that elephants are bizarre creatures with their combination of big brains, massive limbs, oversized ears, teeth turned into tusks, and noses elongated into hose-like trunks. Nor were dinosaurs part of an evolutionary progression that was necessary to set the stage for mammals culminating into humans. What dinosaurs do show is a parallel world, one in which mammals were permanently subsidiary, whereas the dinosaurs show what largely diurnal land animals that evolved straight from similarly day-loving ancestors should actually look like. Modern mammals are much more peculiar, having evolved from nocturnal beasts that came into their own only after the entire elimination of nonavian dinosaurs. While dinosaurs dominated the land, small nocturnal mammals were just as abundant and diverse as they are in our modern world. If not for the accident of the later even, dinosaurs would probably still be the global norm.”

Gregory Scott Paul book The Princeton Field Guide to Dinosaurs

Gregory S. Paul (2010) The Princeton Field Guide to Dinosaurs, Princeton University Press, p. 14
The Princeton Field Guide to Dinosaurs

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