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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, [145] the fact that the loch is too small and ...
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.
Megalodon teeth can measure over 180 millimeters (7.1 in) in slant height (diagonal length) and are the largest of any known shark species, [29]: 33 implying it was the largest of all macropredatory sharks. [35] In 1989, a nearly complete set of megalodon teeth was discovered in Saitama, Japan.
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.
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 ...
This is the largest known dinosaur nesting site in the world, where many nests of eggs are preserved over a stretch of several kilometres. Attenborough struggles to walk without stepping on dinosaur eggs, and discusses the site with one of its discoverers, Dr Luis Chiappe. Dinosaur eggs occur in four separate layers, indicating the dinosaurs ...
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.
Nothosaurus ('false lizard', from the Ancient Greek νόθος, nothos, 'illegitimate' and σαῦρος, sauros, 'lizard') is an extinct genus of sauropterygian reptile from the Triassic period, approximately 240–210 million years ago, with fossils being distributed throughout the former Tethys Ocean, from North Africa and Europe to China.