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News Release 16-046
Newly discovered baby Titanosaur sheds light on dinosaurs' early lives
Long-necked sauropod dinosaurs include the largest animals ever to walk on land
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A baby Rapetosaurus stands alongside other young mammals of today for size comparison.
Credit: Demetrios Vital
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A comparison of an adult Rapetosaurus, a baby Rapetosaurus and a human.
Credit: Kristi Curry Rogers
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Rapetosaurus at hatching (gray) and a neonate (color), with its femur scaled to that of an adult.
Credit: Kristi Curry Rogers
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A sculpture of the baby Rapetosaurus shows its approximate size in life.
Credit: Kristi Curry Rogers
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The preserved skeleton of the baby Rapetosaurus, including several vertebrae from the hip and tail.
Credit: Kristi Curry Rogers
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CT scans, other evidence indicate that Rapetosaurus grew quickly; arrow marks moment of hatching.
Credit: Kristi Curry Rogers
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An NSF-funded team from Macalester College, used a high-powered CT scanner and microscopes to study thin-sections of the tibia and limb bones of the Rapetosaurus. They discovered that these baby behemoths were active, capable of a wider array of maneuvers than adult members of their species and didn't need parental care after hatching.
Credit: National Science Foundation/Macalester College