By Kenneth Carpenter
How can paleontologists be aware of what a residing dinosaur used to be like greater than 100 million years in the past, rather whilst merely partial skeletons stay? targeting one huge carnivorous dinosaur, Acrocanthosaurus (“high-spined lizard”), paleontologist Kenneth wood worker explains the method, pairing scholarly findings with greater than seventy five colour illustrations to reconstruct “Acro” earlier than readers’ eyes. In Acrocanthosaurus within and Out, he deals 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 one hundred ten to a hundred and fifteen million years in the past, through the Early Cretaceous. wood worker labored at the such a lot whole of the Acrocanthosaurus skeletons (nicknamed “Fran”) that has been came upon. right here he describes the suggestions that let us know approximately Acro’s organic make-up, pursuits, and behavior. reports of joints demonstrate the variety of attainable movement, whereas bumps, ridges, and scars at the bones convey the place muscle groups, ligaments, and tendons connected. CT scans let us peer into the braincase, whereas microscopes have the funds for a cross-sectional view of bones. those findings in flip provide an idea of the way Acro stalked and ate its prey.
clinical proof past the fossils presents avenues for extra inquiry: What does the sedimentary rock encasing Fran’s bones let us know approximately Acro’s setting? What does our wisdom of Acro’s far-off family, similar to crocodilians and birds, indicate approximately its middle and different delicate tissues? Can our realizing of alternative animals clarify Acro’s large spines?
chippie distills all this data right into a transparent, available, enticing account that would entice normal readers and students alike. because the first book-length paintings on Acrocanthosaurus, this quantity introduces a prehistoric mammoth that when stalked Texas and Oklahoma and gives a unprecedented, firsthand glimpse into the pains and triumphs of paleontology.
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Acrocanthosaurus Inside and Out by Kenneth Carpenter