By Kenneth Carpenter
How can paleontologists be aware of what a dwelling dinosaur was once like greater than 100 million years in the past, fairly whilst simply partial skeletons stay? targeting 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” earlier than readers’ eyes. In Acrocanthosaurus inside of and Out, he bargains the main entire portrait attainable of this interesting dinosaur’s visual appeal, biology, and behavior.
Acrocanthosaurus—similar in dimension to its later cousin Tyrannosaurus rex, yet studded with huge spines—roamed what's now the south-central usa a hundred and ten to one hundred fifteen million years in the past, through the Early Cretaceous. chippie labored at the so much whole of the Acrocanthosaurus skeletons (nicknamed “Fran”) that has been chanced on. the following he describes the innovations that let us know approximately Acro’s organic make-up, routine, and behavior. stories of joints show the diversity of attainable movement, whereas bumps, ridges, and scars at the bones express the place muscular 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 provide an concept of ways Acro stalked and ate its prey.
clinical proof past the fossils offers avenues for additional 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, comparable to crocodilians and birds, indicate approximately its center and different delicate tissues? Can our knowing of different animals clarify Acro’s large spines?
chippie distills all this knowledge right into a transparent, obtainable, enticing account that might attract basic readers and students alike. because the first book-length paintings on Acrocanthosaurus, this quantity introduces a prehistoric enormous that when stalked Texas and Oklahoma and gives a unprecedented, firsthand glimpse into the rigors and triumphs of paleontology.
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