‘Dinosaurs Without Bones’ gives glimpse of long-gone life | Science News

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‘Dinosaurs Without Bones’ gives glimpse of long-gone life

Anthony Martin explores dinosaurs' lives as revealed by their trace fossils

10:30am, June 15, 2014

DINO TRACKS  Clear prints such as this one, probably from a small ornithopod in Australia, and other trace fossils give scientists clues about where dinosaurs were going and who was eating whom.

Dinosaurs Without Bones: Dinosaur Lives Revealed by their Trace Fossils
Anthony J. Martin
Pegasus Books, $29.95

When people walk into a museum’s dinosaur hall, what makes them gasp in awe are the incredibly huge bones. An adult T. rex, which could be up to 12 meters long, had teeth the size of bananas. A humerus, or upper arm bone, of the largest (thankfully vegetarian) long-necked sauropods is by itself bigger than the average adult human.

Though paleontologists have learned extraordinary things about dinosaurs and their evolution from bones, there’s a lot that skeletons and skulls can’t divulge. More revealing, and in many places more common, than bones are trace fossils that don’t contain any remnants of body parts. Detailed study of these indirect fossils,

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