Closer comparison of the shin bone, upper jawbone, teeth, and partial tail vertebrae
suggest to the authors that it may warrant a new species name, Torvosaurus gurneyi.
AIt sounds drastic but in a similar case I ended up amputating one tail vertebrae
and surrounding scar tissue, finding healthy skin further up to stitch together to allow the tip to heal.
They dug into the hillside and uncovered a few tail vertebrae
and fragments of a tail spike of a stegosaur.
However, a few participants roaming the hills about 150 m away have found some fragments of bone, tracked them back to their hillside source, and dug out what appear to be a few tail vertebrae
and fragments of a spike from a stegosaur.
Tail breaks occur at fracture planes in the tail vertebrae
, and are due to muscle contractions and the grabbing force of the predator.
Standard measurements of the female include: total length, 235 mm; length of tail vertebrae
, 103 mm; length of hind foot, 26 mm; length of ear, 18 mm; and mass, 52.
Many of the tail vertebrae
are shaped like those of beavers and otters, which use their tails to move through water.
The fragmentary fossil includes six back vertebrae, two adjacent tail vertebrae
, and other bones from the dinosaur's pelvic area, says Tamaki Sato of the Canadian Museum of Nature in Ottawa.
For instance, the tail vertebrae
had bony extensions that stiffened the tail and kept it off the ground.
rex mating: Several of Sue's tail vertebrae
are fused together, perhaps from an injury incurred furing copulation, Larson says.
The bird had flight-specialized shoulders and a distinctly avian adaption called the pygostyle -- a shortened set of tail vertebrae
fused into one bone.
Tanke found more than a dozen tail vertebrae
with cracks, which he thinks resulted when one hadrosaur stepped on another's tail.