aquatic reptiles

Mosasaurus is a genus of extinct aquatic reptiles that existed in the late Cretaceous Period, between 70 and 66 million years ago. The name means 'Meuse lizard', as the first specimen of this prehistoric animal was found near the Meuse River in the Netherlands.

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Sarcosuchus is one of the largest crocodile-like reptiles ever. It grew up to 12 m in length - twice as long as the modern saltwater crocodile - and weighed up to 8 tons. Its entire body was covered with armored plates. The prehistoric 'super-croc' had a 1.8 m long head, with huge conical teeth that could easily crush bone with a little help of its fearsome jaws. It also had four short legs and a long, powerful tail, perfectly designed to swim through water at fast speeds.

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Plesiosaurus is actualy not a see dinosaur! Plesiosaurus is a huge sea reptile!

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The name of this prehistoric animal refers to Besano, a small town in the Vareze province of northern Italy where it was first discovered.

Besanosaurus is a primitive ichtyosaur that lived in the middle Triassic period, around 235 million years ago. Its outward appearance was somewhat similar to the dolphin of today. It was 6 m long, and weighed approximately one ton. It had a long and thin snout, adjusted to its aquatic environment, but its skull was thick and broad, extending into a bulky body with no dorsal fin. Its long eel-like tail made Besanosaurus a fairly efficient swimmer, albeit at a moderate speed, with rapid acceleration and good maneuvering. Instead of fore and hind limbs, this aquatic reptile had two pairs of fins to propel it in sea water.

Besanosaurus inhabited a prehistoric sea then located in the basin of today's Adriatic, at the time when the north of what is now the region of Lombardy in northern Italy was at the bottom of today's Mediterranean Sea.