HuiyarSur Jegenus Dinosor Fusal re -wrote the story about how Soropads got long necks.

A team of high, pylavostologists in Argentina Andes have received a small dinosaur fossil that has the first indicators of the expanded neck that are as distinguished as Soropod Dinosaur. Diplodoxes.

Designated Huiyarisor JegenisGwyshm is a partial skeleton of a dinosaur that lived in the trash period about 23230 million years ago. It was about 2 meters long, weighing about 18kg.

Later, like Soropods Bronchosis And Patgutton The largest and longest animals will become the largest and longest animals, with more than 35 meters and over 70 tonnes.

Until recently, it was thought that the predecessor of these long -neck herbal dinosaur, called Soropodomorphs, was small, short neck and potentially pro.

Other soropodomorphs live at the same time H. JAGUENSIS There were very small around a meter in length, and there were no signs of length to the neck bones visible in the newly found species. It was not several million years later when Soropodomorphs began to increase their body mass and extend their necks.

Discovery of H. JAGUENSIS In the Sanato Domingo Creek in northwestern Argentina, created by Martin Hachinelitner in the National Scientific and Technical Research Council of Argentina and his colleagues, changes the story of how these dinosaurs got their long neck.

“Huayracursor Gradually, the idea of ​​a gradual transfer breaks to a certain extent, as it lives with its small, lower -neck relatives, “says Hechinelitner.

The dinosaur had a small skull, compared to his contemporary, strong Indian organs, thin hips and small arms with large, strong hands.

Hechiniliter says it shows that the increase in body size and neck length was already clear from the beginning of the evolutionary date of its lineage.

“Huayracursor The fossil record drags long neck and large size of the body toward the first appearance of the dinosaur. Argentinosis And PatguttonPart of a lineage that began 100 million years ago, with only one meter tall and just 10 to 15kg of two. [in weight].

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