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The fact that the osteology of the plesiosaur's neck makes it absolutely safe to say that the plesiosaur could not lift its head like a swan out of water as the Loch Ness monster does, the assumption that air-breathing animals would be easy to see whenever they appear at the surface to breathe, [146] the fact that the loch is too small and ...
The largest prehistoric horse was Equus giganteus of North America. It was estimated to grow to more than 1,250 kg (1.38 short tons) and 2 m (6 ft 7 in) at the shoulders. [138] The largest anchitherine equid was Hypohippus at 403 to 600 kg (888 to 1,323 lb), comparable to large modern domestic horses.
The skull of a pliosaur, a prehistoric sea monster, was discovered on a beach in Dorset, England, and it could reveal secrets about these awe-inspiring creatures. The skull of a pliosaur, a ...
Pterosaurs included the largest flying animals ever to have lived. They are a clade of prehistoric archosaurian reptiles closely related to dinosaurs. Species among pterosaurs occupied several types of environments, which ranged from aquatic to forested. Below are the lists that comprise the smallest and the largest pterosaurs known as of 2022.
The dinosaur lived 150 million years ago in the late Jurassic period, making it millions of years older than the terrifying Tyrannosaurus rex that roamed the Earth some 66 million to 68 million ...
Since 1959, a second enigmatic group of ancient sea reptiles is known, the Hupehsuchia. Like the Ichthyopterygia, the Hupehsuchia have pointed snouts and show polydactyly, the possession of more than five fingers or toes. Their limbs more resemble those of land animals, making them appear as a transitional form between these and ichthyosaurs.
The skeleton of an extinct prehistoric reptile predator, known as a sea dragon, is the largest and most complete ever discovered in the U.K., researchers said Monday.
Mosasaurus hoffmannii, the largest known species reached up to 17 m (56 ft), [3] but it has been considered to be probably overestimated by Cleary et al. (2018). [4] Currently, the largest publicly exhibited mosasaur skeleton in the world is on display at the Canadian Fossil Discovery Centre in Morden, Manitoba.