He grows up in a city nearly segregated from all dinosaur species.
During the Campanian age, a radiation among dinosaur species occurred.
The number of dinosaur species in the film is greatly reduced.
Half of the 350 known dinosaur species have been identified in the last 20 years, he noted.
Even today, we're discovering new dinosaur species at a rate of four or five each year.
Here we begin to find the paleontological artifacts of various dinosaur species.
Dr. Miller said it was usually not possible to identify a single egg with a particular dinosaur species.
The scientists are thus able to trace the growth stages of at least one dinosaur species.
But these were a very small minority of known dinosaur species.
Researchers believe this may be the function of other unique anatomical features, found in various dinosaur species.