Paleobiology [ ] Life history [ ] Skeletons at different growth stages on display, the The wealth of Allosaurus fossils, from nearly all ages of individuals, allows scientists to study how the animal grew and how long its lifespan may have been.
Bloomington, Indiana:Indiana University Press.
Hocknull, Scott A.
Ceratosaurus, better known than Torvosaurus, differed noticeably from Allosaurus in functional anatomy by having a taller, narrower skull with large, broad teeth.
The sand-sized sediments in the Carnegie Quarry are fine enough to preserve bone in great detail but coarse enough to resist compression of the skulls.
In Foster, John R.
These skulls may be preserved, but some of the three-dimensional structure is lost.
Sereno, Paul ed.
fragilis specimen "Big Al" suggest the dinosaur weighed more than 3,300 pounds 1,500 kilograms in adulthood, according to a 2009 study in the journal.
With fifteen years of new specimens and research to look at, Daniel Chure reexamined the bone and found that it was not Allosaurus, but could represent an allosauroid.
rex led to Allosaurus being thought of as the top predator of the Morrison Formation.
Galton, Peter M.
gave these remains the formal name Allosaurus fragilis in 1877.16|15|11