Triceratops
Triceratops is the best-known ceratopsid genus inhabited North America territory in the Late Cretaceous period, about 70 million years ago. Since 1887 archaeologists have recovered several skeleton fragments, though complete structure has remained unearthed. Except for one rare complex skeleton right part presented to the public in 1994. Fortunately, this finding allowed scientists to determine horned giant locomotion method.
Triceratops distinguished by its bony frill at the skull rear part and long horns, two of which were located on the forehead and one - near the nostrils. The horns might have been used both for protection and to impress females. The skull could reach up to two metres in length, comprising almost a third of its entire 6-8-metre body. An adult species weighed 7-10 tonnes and were 3 metres tall. Its skin was covered with spiky outgrowths. The dinosaur was quadrupedal moving on short forelimbs with three digits each and strong four digits hind limbs like a rhinoceros. Triceratops was herbivorous and fed on low growing grass. It cut the plants off with narrow beak and chewed by vertical and side-to-side jaw movements. It had 80 teeth arranged in groups called batteries. The dinosaur was given a range of 432 to 800 teeth replacing continuously throughout the animal life.