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Dinosaurs are a diverse group of reptiles [note 1] of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is a subject of active research.
The footprints, which date back to 166 million years ago during the Middle Jurassic Period, form multiple massive trackways that researchers call a "dinosaur highway." In June, researchers and ...
The UK's biggest ever dinosaur trackway site has been discovered in a quarry in Oxfordshire. About 200 huge footprints, which were made 166 million years ago, criss-cross the limestone floor.
Triceratops (/ t r aɪ ˈ s ɛr ə t ɒ p s / try-SERR-ə-tops; [1] lit. ' three-horned face ') is a genus of chasmosaurine ceratopsian dinosaur that lived during the late Maastrichtian age of the Late Cretaceous period, about 68 to 66 million years ago in what is now western North America.
Megalosaurus was the first dinosaur to be scientifically named and described in 1824, kick-starting the last 200 years of dinosaur science and public interest. Emma Nicholls, vertebrate ...
Pentaceratops lived around 76–73 million years ago, its remains having been mostly found in the Kirtland Formation [1] in the San Juan Basin in New Mexico. Other dinosaurs that shared its habitat include Parasaurolophus cyrtocristatus, the pachycephalosaur Sphaerotholus, the armored dinosaur Nodocephalosaurus and the tyrannosauroid ...
Known from three partial skeletons. The specific name, justinhofmanni, honors a six-year-old schoolboy who won a contest to have a dinosaur named after him Nevadadromeus: 2022 Willow Tank Formation (Late Cretaceous, Cenomanian) United States ( Nevada) The first non-avian dinosaur described from Nevada Niobrarasaurus: 1995
The small dinosaur eggs, discovered in 2021, ... The eggs date back more than 80 million years ago, making it a part of the Late Cretaceous period (66 to 100.5 million years ago).