Chilean scientists have discovered the first remains of a winged lizard of the Jurassic period, a pterosaur, in the Southern Hemisphere.
Researcher Jonathan Alarcon of the UniversityChile noted that these creatures had a wingspan of up to two meters, a long tail, and a pointed beak. “We show that the distribution of animals in this group was wider than it is believed,” he added. The find is also "the oldest known pterosaur found in Chile," scientists reported in the journal Acta Paleontologica Polonic.
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The scientists also added that they foundrepresentative of the squad of extinct flying archosaurs. According to recent studies, they lived from the Late Triassic to the end of the Cretaceous period of the Mesozoic era. They are the earliest vertebrates to adapt and evolutionarily learn to fly with their wingspan.
Basal pterosaurs were smaller animals with serrated jaws and long tails.On the ground, they walked with a sprawling gait, but the anatomy of their joints and strong claws allowed them to climb trees.
Later pterosaurs (pterodactyloids) differed in size, shape, and lifestyle.Pterodactyloids had narrower wings with loose hind limbs, greatly reduced tails, and long necks with large heads.They could take off from the ground, and fossil footprints show that at least some species could run, wade, or swim.
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