when did the triceratops appear in the fossil record
Triceratops is a genus of herbivorous ceratopsid dinosaur that first appeared during the late Maastrichtian stage of the late Cretaceous period, about 68 million years ago (Mya) in what is now North America.ndividual Triceratops are estimated to have reached about 7.9 to 9.0 m (26.0â29.5 ft) in length, 2.9 to 3.0 m (9.5 to 9.8 ft) in height, and 6.1â12.0 tonnes (13,000â26,000 lb) in weight. The most distinctive feature is their large skull, among the largest of all land animals.