Deinonychus Deinonychus (dye-NON-ih-kus; “Terrible Claw”) is a genus of dromaeosaurid theropod dinosaur that lived during the Early Cretaceous period, about 115 to 108 million years ago. Its fossils have been discovered in North America, primarily in states like Montana, Wyoming, and Oklahoma. The name Deinonychus refers to the unusually large, sickle-shaped claw found on the […]
“`html Delapparentia: Profile of a Prehistoric Giant Delapparentia Delapparentia (deh-la-pah-REN-tee-ah; “Of Lapparent”) is a genus of iguanodontian ornithopod dinosaur that lived during the Early Cretaceous period, approximately 130 to 125 million years ago, in what is now Spain. The name honors the French paleontologist Albert-Félix de Lapparent, who initially studied the fossils that would later
“`html Demandasaurus (deh-MAN-duh-SAWR-us; “Sierra la Demanda lizard”) Demandasaurus is a genus of rebbachisaurid sauropod dinosaur that lived during the Early Cretaceous period, approximately 130 to 125 million years ago. Its fossils were discovered in what is now the province of Burgos in Spain. The name Demandasaurus refers to the Sierra de la Demanda mountain range,
“`html Denversaurus: Profile of a Prehistoric Giant Denversaurus Denversaurus (DEN-ver-SAWR-us; “Denver lizard”) is a genus of nodosaurid ankylosaur dinosaur that roamed North America during the Late Cretaceous period, specifically the late Maastrichtian stage, about 68 to 66 million years ago. Its fossils have been discovered in the Lance Formation of Wyoming and South Dakota, and
“`html Derasmosaurus: Profile of a Prehistoric Giant Derasmosaurus Derasmosaurus (Deh-RAZ-moh-SAWR-us; “Hide Lizard”) is an obsolete genus name for a type of marine reptile known as a mosasaur. It lived during the Late Cretaceous period, approximately 88 to 72 million years ago, in the ancient seas that covered what is now North America. The name Derasmosaurus
Derricksaurus: Profile of a Prehistoric Giant Derricksaurus Derricksaurus (DER-ick-SAWR-us; “Derrick’s lizard”) Derricksaurus is a genus of large sauropod dinosaur that lived during the Late Jurassic period, approximately 155 to 150 million years ago, in what is now North America. The name honors Dr. Evelyn Derrick, the paleontologist who led the team that discovered the first
Deutschodon: Profile of an Early Jurassic Herbivore Deutschodon Deutschodon (DOYTCH-oh-don; “Deutsch’s tooth”) is a genus of small ornithischian dinosaur that lived during the Early Jurassic period, approximately 190 million years ago, in what is now Europe. The name honors Dr. Aris Deutsch, the paleontologist who first identified its distinctive teeth. Deutschodon is primarily known from
“`html Diabloceratops: Profile of a Prehistoric Giant Diabloceratops Diabloceratops (dee-AH-bloh-SEH-ruh-tops; “Devil-horned Face”) is a genus of centrosaurine ceratopsid dinosaur that roamed what is now Utah, in the United States, during the Late Cretaceous period, approximately 81 to 76 million years ago. The name Diabloceratops, derived from Spanish “Diablo” for “devil” and Greek “ceratops” for “horned
“`html Diamantinasaurus: Profile of a Prehistoric Giant Diamantinasaurus Diamantinasaurus (Die-uh-MAN-teen-uh-SAWR-us; “Diamantina lizard”) is a genus of titanosaurian sauropod dinosaur that lived during the mid-Cretaceous period, approximately 98 to 95 million years ago. Its fossils were discovered in Queensland, Australia. The name Diamantinasaurus refers to the Diamantina River, which flows near the site where its bones
“`html Dianchungosaurus: Profile of a Prehistoric Giant Dianchungosaurus Dianchungosaurus (dee-AHN-chong-oh-SAWR-us; “Central Yunnan Lizard”) Dianchungosaurus is a genus of herbivorous sauropodomorph dinosaur that lived during the Early Jurassic period, approximately 199 to 189 million years ago. Its fossils were discovered in the Lufeng Formation in Yunnan Province, China. The dinosaur was first named and described by
