| http://www.w3.org/ns/prov#value | - The bones, shaped like footballs sliced lengthwise, were found in two sauropod dinosaurs ??? an adult and a juvenile ??? from Madagascar.The study suggests that the long-necked plant-eaters used hollow "skin bones" called osteoderms to store minerals needed to maintain their huge skeletons and to large clutches of eggs.In modern times, these "skin bones" appear in animals such as alligators and ar
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