With the dinosaurs in his lost world, the main predators were descendants of allosaurian predators, but they were becoming wiped out by a new predator evolved from birdlike dinosaurs called avimimids.
The switch from Stegosaurs to Nodosaurs might have been linked to the switch from allosaurian grab-hunters to tyrannosaur impact-hunters.
Definition of allosaurian in US English:
allosaurian
adjective
See allosaurus
Example sentencesExamples
With the dinosaurs in his lost world, the main predators were descendants of allosaurian predators, but they were becoming wiped out by a new predator evolved from birdlike dinosaurs called avimimids.
The switch from Stegosaurs to Nodosaurs might have been linked to the switch from allosaurian grab-hunters to tyrannosaur impact-hunters.