A period of great transformation, the Late Cretaceous Period is when the dinosaurs disappeared from the earth. Learn more about the Late Cretaceous dinosaurs that existed during this era, such as the Tyrannosaurus, Gallimimus, and Brachylophosaurus.
Shantungosaurus may have been the largest hadrosaur. It is larger than some of the smaller sauropods. Named and described in 1973, Shantungosaurus is known from many disarticulated (not joined) bones from the Shandong Province, People's Republic of China.
In 1912 is a German paleontological expedition discovered the remains of several new Late Cretaceous dinosaurs in Egypt. Spinosaurus is a large theropod, was one of the new dinosaurs. It got its name, which means "spined reptile," because of the tall spines on its vertebrae (bones of the spine).
Struthiomimus ("ostrich mimic") is the best known of all the ornithomimids. A complete skeleton, which is now displayed at the American Museum of Natural History, was collected from the Judith River Formation of Alberta. Its name points to how similar its skeleton is to the modern Struthio (ostrich).
Styracosaurus was discovered in 1913 in the Belly River Formation of Alberta by Charles Sternberg. Lawrence Lambe named this animal Styracosaurus albertensis, which means "spiked reptile of Alberta," for its unusual neck frill.
The Talarurus is one of the better-known ankylosaurs from Mongolia. Several partial skeletons were excavated by Soviet paleontologists during the 1950s. One of these skeletons is mounted at the Paleontological Institute in Moscow.
This ankylosaur is known from two species. Tarchia giganteus is known from a complete skull and a partial skeleton. But, except for the skull, little of the material has been described. Learn more about the Tarchia and other Late Cretaceous dinosaurs.
In 1948, several giant claw bones were found by a Soviet-Mongolian scientific team and because the shape of the claws is similar to the claws of some turtles, workers first thought they belonged to a giant turtle, so the specimen was named Therizinosaurus cheloniformis ("turtlelike scythe reptile").
Thescelosaurus was one of the last hypsilopbodontid dinosaurs. It is known from the end of the Late Cretaceous of Montana in the United States is and Alberta and Saskatchewan in Canada. Learn more about the Thescelosaurus.
The first two Torosaurus specimens were a pair of skulls found in Wyoming in 1891 by John Bell Hatcher. They were described by Othniel Marsh later that same year. These two skulls were named Torosaurus latus and Torosaurus gladius.
Troodon was described in 1856 by Joseph Leidy on the basis of a single small tooth. It was one of the first North American dinosaurs described. Learn more about the Troodon and other Late Cretaceous dinosaurs.
Tylocephale is one of a group of new dome-headed dinosaurs discovered by the Joint Polish-Mongolian Paleontological Expeditions to the Gobi Desert. Learn more about the Tylocephale and other Late Cretaceous dinosaurs.
Even today, 90 years after it was discovered by Barnum Brown in the Hell Creek Formation of Montana, Tyrannosaurus rex remains the largest known predator to have walked the earth. Learn about Tyrannosaurus, Late Cretaceous dinosaurs and dinosaurs of all eras.
The most amazing find in Mongolia may be the discovery of the skeletons of the small theropod Velociraptor ("speedy predator") with its right arm clamped firmly in the beak of the small ceratopsian Protoceratops. Learn about Velociraptor, Late Cretaceous dinosaurs and dinosaurs of all eras.
Stegoceras has been one of the more interesting dinosaurs, partly because of the tangle of names that have been attached to it and also because of explanations that have been attached to its domed skull.
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