Search results
Results From The WOW.Com Content Network
Dinosaurs of the Cretaceous Period, existing/appearing during the latter Mesozoic Era ... Cretaceous dinosaurs of South America (3 C, 1 P) 0–9.
During the Early Cretaceous, new dinosaurs evolved to replace the old ones. Sauropods were still present, but they were not as diverse as they were in the Jurassic Period. Theropods from the Early Cretaceous of North America include dromaeosaurids such as Deinonychus and Utahraptor, the carnosaur Acrocanthosaurus, and the coelurosaur Microvenator.
The Early Cretaceous was an important time for the dinosaurs of Africa because it was when Africa finally separated from South America, forming the South Atlantic Ocean. This was an important event because now the dinosaurs of Africa started developing endemism because of isolation. The Late Cretaceous of Africa is known mainly from North Africa.
Early Cretaceous dinosaurs of South America (30 P) B. Early Cretaceous birds (1 C) E. Early Cretaceous ornithischians (3 C, 2 P) S. Early Cretaceous sauropods (20 P)
Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.
The largest dinosaur known from Brazil Austroraptor: 2008 Allen Formation (Late Cretaceous, Campanian to Maastrichtian) Argentina: Possessed an elongated snout paralleling that of spinosaurids Baalsaurus: 2018 Portezuelo Formation (Late Cretaceous, Turonian to Coniacian) Argentina: Had a squared-off dentary with its teeth crowded to the front ...
Stegosauria is a group of herbivorous ornithischian dinosaurs that lived during the Jurassic and early Cretaceous periods.Stegosaurian fossils have been found mostly in the Northern Hemisphere (North America, Europe and Asia), Africa and possibly South America.
Ceratopsia or Ceratopia (/ ˌ s ɛr ə ˈ t ɒ p s i ə / or / ˌ s ɛr ə ˈ t oʊ p i ə /; Greek: "horned faces") is a group of herbivorous, beaked dinosaurs that thrived in what are now North America, Europe, and Asia, during the Cretaceous Period, although ancestral forms lived earlier, in the Jurassic.