Graciliraptor Graciliraptor (GRA-sill-ih-RAP-tor; “slender plunderer”) is a genus of small dromaeosaurid theropod dinosaur that lived during the Early Cretaceous period, approximately 125 to 122 million years ago. Its fossils were discovered in the Yixian Formation in Liaoning Province, China, an area famous for its exceptionally well-preserved fossils. Graciliraptor was named and described by paleontologists Xu […]
Gracilisuchus: Profile of a Prehistoric Archosaur Gracilisuchus Gracilisuchus (GRAH-sih-lih-SOO-kus; “Graceful Crocodile”) Gracilisuchus is an extinct genus of small archosaur reptile that lived approximately 235 to 230 million years ago, during the Middle Triassic period. Its fossils have been discovered in Argentina, South America. Although its name means “graceful crocodile,” Gracilisuchus was not a direct ancestor
Gravitholus: Profile of a Prehistoric Giant Gravitholus Gravitholus (GRAV-ih-THO-luss; “heavy dome”) is a genus of pachycephalosaurid dinosaur that lived during the Late Cretaceous period, approximately 76 to 75 million years ago, in what is now Alberta, Canada. The name comes from the Latin word “gravis” meaning heavy, and the Greek word “tholos” meaning dome, referring
Gresslyosaurus: Profile of a Prehistoric Giant Gresslyosaurus Gresslyosaurus (GRESS-lee-oh-SAWR-us; “Gressly’s lizard”) refers to a type of dinosaur that lived during the Late Triassic period, around 220 to 210 million years ago, in what is now Switzerland. The name honors Amanz Gressly, the Swiss geologist who discovered its first fossils. Gresslyosaurus was first named by paleontologist
Gryphoceratops Gryphoceratops (GRIF-oh-SER-ah-tops; “Griffin-horned face”) is a genus of small leptoceratopsid ceratopsian dinosaur that lived during the Late Cretaceous period, specifically around 83.5 million years ago (early Campanian stage), in what is now Alberta, Canada. The name Gryphoceratops, meaning “griffin-horned face,” refers to the deep, griffin-like beak shape of its lower jaw. This dinosaur was
Gryponyx Gryponyx (GRY-fon-nicks; “Hooked Claw”) is a genus of sauropodomorph dinosaur that lived during the Early Jurassic period, approximately 200 to 190 million years ago. Fossils of Gryponyx have been discovered in the Elliot Formation of South Africa. The name Gryponyx comes from the Greek words “grypos,” meaning hooked or curved, and “onyx,” meaning claw,
Gryposaurus Gryposaurus (GRIP-oh-SAWR-us; “Hooked-nosed lizard”) is a genus of hadrosaurid, or “duck-billed,” dinosaur that lived during the Late Cretaceous period, approximately 83 to 75 million years ago. Its fossils have been discovered in North America, particularly in Alberta, Canada, and the states of Utah and Montana in the USA. The name Gryposaurus refers to the
Guaibasaurus: Profile of a Prehistoric Giant – Dinos and Designs Guaibasaurus Guaibasaurus (GWY-bah-SAWR-us; “GuaÃba lizard”) is a genus of early saurischian dinosaur that lived during the Late Triassic period, approximately 225 million years ago, in what is now southern Brazil. The name refers to the Rio GuaÃba hydrographic basin, the region where its fossils were
Gualicho: Profile of a Prehistoric Giant Gualicho Gualicho (/GWAH-lee-cho/; “Gualichu” – a local spirit/demon) is a genus of theropod dinosaur that lived during the Late Cretaceous period, approximately 93 to 89 million years ago (late Cenomanian to early Turonian stages), in what is now Patagonia, Argentina. The name refers to Gualichu, a spirit or demon
Guanlong: Profile of a Prehistoric Giant Guanlong Guanlong (GWON-long; “crowned dragon”) is a genus of proceratosaurid tyrannosauroid dinosaur that lived during the Late Jurassic period, about 160 million years ago. Its fossils were discovered in the Shishugou Formation in Xinjiang, China. The name Guanlong, meaning “crowned dragon,” refers to the large, elaborate crest on its
