Search results
Results from the WOW.Com Content Network
Download as PDF; Printable version; In other projects ... Media in category "Approved dinosaur images" ... out of 4 total.
Dinosaur classification began in 1842 when Sir Richard Owen placed Iguanodon, Megalosaurus, and Hylaeosaurus in "a distinct tribe or suborder of Saurian Reptiles, for which I would propose the name of Dinosauria." [1] In 1887 and 1888 Harry Seeley divided dinosaurs into the two orders Saurischia and Ornithischia, based on their hip structure. [2]
Download as PDF; Printable version; ... out of 16 total. This list may not reflect recent changes. Dinosaur * Dinosaur classification; Portal:Dinosaurs ...
List of dinosaur specimens with documented taphonomic histories; List of pathological dinosaur specimens; List of dinosaur specimens preserved with agonistic and feeding traces; List of dinosaur specimens with preserved soft tissue
Download as PDF; Printable version; In other projects ... Monogeneric dinosaur families (1 C, 20 P) A. ... out of 77 total. This list may not reflect recent changes. A.
The first edition of The Princeton Field Guide to Dinosaurs included entries on over 700 dinosaur species and over 600 illustrations, [5] out of which around 400 were skeletal reconstructions. [ 1 ] [ 2 ] The entry of each dinosaur species includes information on its size, age, distribution and anatomical characteristics. [ 1 ]
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.
Chicxulub Crater is an ancient impact crater buried underneath the Yucatán Peninsula, with its center located near the town of Chicxulub, Yucatán, Mexico.The crater is over 180 kilometers (110 mi) in diameter, making the feature one of the largest confirmed impact structures in the world; the asteroid or comet whose impact formed the crater was at least 10 km (6 mi) in diameter.