- Hatcher, John Bell by Allison Yates
... His leadership of numerous expeditions in the U.S.A. And Patagonia (1896–99) established him as a major American collector of fossils. He discovered the first fossil remains of Triceratops (1889).
- ornithischian by Jonah Hammond
... ) had small heads and were heavily plated and armoured along the back, and some had armour on the flanks and head as well. See also. protoceratops; saurischian; stegosaur; triceratops.
- Triceratops by Jocelyn Hudson
... , but only one species, Triceratops horridus. Is currently recognized. It is characterized by its three horns, one on the nose and one over each eye, and a large bony frill projecting backward from the skull, which probably served to protect the neck and fore part of the body. The head was large (about 8 ft/2.4 m long), the body (about 20 ft/6 m long) was bulky ...
- Triceratops by Pedro Hoffman
Genus of large, plant-eating ornithischian dinosaurs of the Late Cretaceous Epoch (99–65 million years ago). Triceratops had a very long skull (some more than 6 ft [1.8 m] long); a large bony frill about the neck; a relatively short, pointed horn on the nose; a beaklike mouth; and two pointed horns, more than 3.3 ft (1 m) long, above the ...
- dinosaur by Mark Long
... (horned dinosaurs), such as Triceratops. The total number of dinosaur genera that existed is unknown; new species are discovered every year, but some species, on further examination, are found to be redundant with earlier finds. One estimate of the possible number of distinct genera exceeds 1,800.Similarities of dinosaurs found on what are now different continents ...