Download PDF by Kenneth Carpenter: Acrocanthosaurus Inside and Out

By Kenneth Carpenter

How can paleontologists understand what a dwelling dinosaur used to be like greater than 100 million years in the past, quite whilst in basic terms partial skeletons stay? concentrating on one huge carnivorous dinosaur, Acrocanthosaurus (“high-spined lizard”), paleontologist Kenneth chippie explains the method, pairing scholarly findings with greater than seventy five colour illustrations to reconstruct “Acro” prior to readers’ eyes. In Acrocanthosaurus inside of and Out, he bargains the main whole portrait attainable of this attention-grabbing dinosaur’s visual appeal, biology, and behavior.

Acrocanthosaurus—similar in measurement to its later cousin Tyrannosaurus rex, yet studded with huge spines—roamed what's now the south-central usa one hundred ten to one hundred fifteen million years in the past, through the Early Cretaceous. chippie labored at the such a lot whole of the Acrocanthosaurus skeletons (nicknamed “Fran”) that has been discovered. the following he describes the options that let us know approximately Acro’s organic make-up, pursuits, and behavior. experiences of joints demonstrate the variety of attainable movement, whereas bumps, ridges, and scars at the bones exhibit the place muscle tissues, ligaments, and tendons hooked up. CT scans let us peer into the braincase, whereas microscopes find the money for a cross-sectional view of bones. those findings in flip supply an concept of the way Acro stalked and ate its prey.

clinical facts past the fossils offers avenues for extra inquiry: What does the sedimentary rock encasing Fran’s bones let us know approximately Acro’s atmosphere? What does our wisdom of Acro’s far-off relations, resembling crocodilians and birds, suggest approximately its middle and different gentle tissues? Can our knowing of different animals clarify Acro’s large spines?

wood worker distills all this data right into a transparent, available, attractive account that would attract common readers and students alike. because the first book-length paintings on Acrocanthosaurus, this quantity introduces a prehistoric massive that after stalked Texas and Oklahoma and gives a unprecedented, firsthand glimpse into the pains and triumphs of paleontology.

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