The head of Triceratops was among the largest of all land animals, some making up one-third of the entire length of the dinosaur's body. The largest skull found has an estimated length of 8.2 feet (2.5 meters), according to Scannella's 2010 Journal of Vertebrate Paleontology study. read more
The front legs had three supporting digits each, with two smaller clawless digits that did not bear weight. The back legs also had three main weight bearing digits, with the fourth digit also touching the ground. read more
Individual Triceratops are estimated to have reached about 7.9 to 9.0 m (25.9–29.5 ft) in length, 2.9 to 3.0 m (9.5 to 9.8 ft) in height, and 6.1–12.0 tonnes (13,000–26,000 lb) in weight. The most distinctive feature is their large skull, among the largest of all land animals. read more
They studied various Torosaurus and Triceratops skulls and did a clustering analysis to arrange them in growth series. They found immature and mature individuals of both Torosaurus and Triceratops. Therefore, they could be the same animal. Triceratops and Torosaurus are different Dinosaurs. The image above is from Longrich and Field (2012). read more