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Pterodactyls thus were equipped


Nineteenth-century scholars had more confidence in pterodactyl's design. (dinosaur exhibit suppliers)Baron Cuvier certainly believed his little wing-fin-gered beast could fly. Mid- and late nineteenth-century students of flying reptiles had faith in pterodactyl's landing gear as well. During the last century, many restorations were conceived, showing Pterodactylus running successfully about the land on all fours, its long fingers folded back from the wrist raising the wingtips back over the hips.(life size dinosaur for sale) Some modern tropical bats—the South American vampires especially—move in this way and can be quite mobile on the ground. Which view is closer to the truth, that of the nineteenth century or that of the mid-twentieth?


In the 1970s new fossils and fresh studies of the old specimens began to rehabilitate the pterodactyl's image. From the very same Bavarian quarries that yielded the first Pterodactylus came specimens with the wing membranes preserved in perfect detail discoveries that suggested that the theory of the flaccid membrane was wrong. (animatronic dinosaur costume)The newly cleaned specimens confirmed that the wing tissue had not been weak, unsupported skin at all. In life, long, stiff fibers of connective tissue had stretched across the wing, and were probably attached to muscles controlling the tension of the wing's surface. Pterodactyls thus were equipped to finetune the shape and camber of their wings.


A Ph.D. thesis completed at Yale in 1979 argued forcefully that pterodactyls possessed the equipment for flight under their own power; the deep keel of the breastbone showed that the "white meat" muscles were as large relative to the body's size as are those of many flying birds today.(lifelike dinosaur for sale) It is true that the joints at the pterodactyl's shoulder, elbow, and wrist were not identical to the birds', but the flying reptile certainly could have executed powerful up-and-down strokes with them, and the muscle processes along the arm bones were huge.

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