Encyclopedia

Gastonia: Profile of a Prehistoric Giant Gastonia Gastonia (gas-TOE-nee-ah; “Gaston’s [lizard]”) is a genus of heavily armored nodosaurid ankylosaurian dinosaur that roamed what is now Utah, in the United States, during the Early Cretaceous period, approximately 139 to 125 million years ago. Paleontologist James Kirkland named Gastonia in 1998 in honor of Robert Gaston, the […]

“`html Geminiraptor: Profile of an Agile Cretaceous Predator Geminiraptor Geminiraptor (JEM-in-eye-RAP-tor; “Twin Seizer”) is a genus of troodontid theropod dinosaur that lived during the Early Cretaceous period, approximately 130 to 125 million years ago. Its fossils were discovered in the Cedar Mountain Formation in Utah, USA. The genus name Geminiraptor refers to the twin sisters,

Genusaurus: Profile of a Prehistoric Giant Genusaurus Genusaurus (JEN-uh-SAWR-us; “Founding Lizard”) is a genus of small ornithischian dinosaur that lived during the Early Jurassic period, approximately 190 million years ago, in what is now southern Africa. The name Genusaurus refers to its position as a potentially early or “founding” member of a major dinosaur group.

Geranosaurus: Profile of an Early Ornithischian Dinosaur Geranosaurus Geranosaurus (jeh-RAN-oh-SAWR-us; “crane lizard”) is a genus of ornithischian dinosaur that lived during the Early Jurassic period, approximately 200 to 190 million years ago. Its fossils were discovered in the Elliot Formation of South Africa. The name, given by paleontologist Robert Broom in 1911, refers to the

“`html Gideonmantellia Gideonmantellia (GID-ee-on-man-TELL-ee-ah; “Gideon Mantell’s dinosaur”) Gideonmantellia is a genus of small ornithopod dinosaur that lived during the Early Cretaceous period, approximately 130 to 125 million years ago, in what is now Spain. The name honors Gideon Mantell, an English geologist and paleontologist famous for discovering Iguanodon, another well-known ornithopod. Gideonmantellia was first described

Giganotosaurus: Profile of a Prehistoric Giant Giganotosaurus Giganotosaurus (JYE-gah-NO-toh-SAWR-us; “Giant Southern Lizard”) is a genus of carcharodontosaurid theropod dinosaur that roamed what is now Argentina during the Late Cretaceous period, approximately 99.6 to 97 million years ago. The name comes from the Greek words “gigas” (giant), “notos” (south), and “sauros” (lizard), reflecting its massive size

Gigantoraptor: Profile of a Prehistoric Giant Gigantoraptor Gigantoraptor (jy-GAN-toh-RAP-tor; “Giant Seizer”) is a genus of very large oviraptorosaurian theropod dinosaur that lived during the Late Cretaceous period, about 70 million years ago. Its fossils were discovered in Inner Mongolia, China. The name Gigantoraptor reflects its incredible size, as it was much larger than any other

Gigantosaurus: Profile of a Prehistoric Giant Gigantosaurus Gigantosaurus (JY-gan-toh-SAWR-us; “Giant Lizard”) is a genus of sauropod dinosaur that lived during the Late Cretaceous period, around 99 to 97 million years ago. Fossils of this plant-eating giant have been found in England. The name Gigantosaurus was given by the scientist Harry Seeley in 1869, based on

Gigantspinosaurus: Profile of a Prehistoric Giant Gigantspinosaurus Gigantspinosaurus (jy-GANT-spy-noh-SAWR-us; “Giant-spined lizard”) is a genus of stegosaurian dinosaur that lived during the Late Jurassic period, approximately 160 million years ago. Its fossils were discovered in the Sichuan Province of China. The name Gigantspinosaurus highlights its most remarkable feature: a pair of enormously large shoulder spines. This

“`html Gilmoreosaurus Gilmoreosaurus (GIL-moh-roh-SAWR-us; “Gilmore’s lizard”) is a genus of hadrosauroid dinosaur, often called a “duck-billed” dinosaur, that lived during the Late Cretaceous period, around 96 to 70 million years ago. Its fossils have been discovered in Asia, particularly in Mongolia. The name honors Charles W. Gilmore, a famous American paleontologist who first studied some