Portal:Paleontology/Natural world articles/25

Source: Wikipedia, the free encyclopedia.
Artist's depiction of Allosaurus.
Artist's depiction of Allosaurus.

period. The first remains that can definitely be ascribed to this genus were described in 1877 by Othniel Charles Marsh. As one of the first well-known theropod dinosaurs, it has long attracted attention outside of paleontological circles, and has been a lead dinosaur in several films and documentaries
.

Allosaurus was a large

Cleveland-Lloyd Dinosaur Quarry
brought the name Allosaurus back to prominence, and established it as one of the best-known dinosaurs.

As the prominent large predator in the

sauropods. While it is often thought of as preying on sauropod dinosaurs in groups, there is little evidence for cooperative social behavior in this genus, and individuals may have been aggressive toward each other instead. It may have attacked large prey by ambush, using its upper jaws like a hatchet. (see more...
)