Mineralized skin samples suggest that the plant -
eating hadrosaur may have been larger and faster than thought
A few years ago, Fassett's colleagues were digging in a fossil - rich area of New Mexico when they uncovered the four - foot - long fossilized thighbone of a duck - billed, plant -
eating hadrosaur in a sandstone cliff.
So Schweitzer took a look at the pristine leg bone of a plant -
eating hadrosaur that had been encased in sandstone for 80 million years.
The well - preserved fossil of a plant -
eating hadrosaur, complete with skin and tendons, was discovered in 1999.
Not exact matches
Dr Albert Prieto - Marquez, Research Associate in the School of Earth Sciences who co-led the research, said: «Some of the immensely successful duck - billed
hadrosaurs of the Late Cretaceous might have been
eating flowering plants, but their tooth wear patterns, and especially close study of their coprolites — that's fossil poops — shows they were conifer specialists, designed to crush and digest the oily, tough needles and cones.»