Search results
Results From The WOW.Com Content Network
However, viruses are still poorly understood and may have arisen before "life" itself, or may be a more recent phenomenon. Major extinctions in terrestrial vertebrates and large amphibians. Earliest examples of armoured dinosaurs. 195 Ma First pterosaurs with specialized feeding (Dorygnathus). First sauropod dinosaurs.
The findings on Gaiasia jennyae were published Wednesday in the journal Nature. The creature existed some 40 million years before dinosaurs evolved. The creature existed some 40 million years ...
The creature existed some 40 million years before dinosaurs evolved. Researchers have long examined such ancient predators to uncover the origins of tetrapods: four-legged animals that clambered onto land with fingers instead of fins and evolved to amphibians, birds and mammals including humans.
A Brazilian scientist has identified fossils of a small crocodile-like reptile that lived during the Triassic Period several million years before the first dinosaurs. The fossils of the predator ...
A massive, fanged creature with a head shaped like a toilet seat lurked in swamps near the edge of the world 280 million years ago, long before the first dinosaurs appeared, new research has found.
List of Asian dinosaurs; List of Australian and Antarctic dinosaurs; List of dinosaurs and other Mesozoic reptiles of New Zealand; List of European dinosaurs; List of Indian and Madagascan dinosaurs; List of North American dinosaurs. List of Appalachian dinosaurs; List of archosaurs of the Chinle Formation; List of dinosaurs of the Morrison ...
While the dinosaurs' modern-day surviving avian lineage (birds) are generally small due to the constraints of flight, many prehistoric dinosaurs (non-avian and avian) were large-bodied—the largest sauropod dinosaurs are estimated to have reached lengths of 39.7 meters (130 feet) and heights of 18 m (59 ft) and were the largest land animals of ...
The footprints, found at several sites in southern Africa, were recently identified as the oldest birdlike tracks ever found, preceding the earliest known skeletal fossils of avians by about 60 ...