Miyerkules, Oktubre 21, 2020

MYSTERY SOLVED: ODD, GIRAFFE-NECKED REPTILE LIVED IN WATER

 Paleontologists have finally refixed the mystery of Tanystropheus, a bizarre giraffe-necked reptile that lived 242 million years back.


It resided in sprinkle and was remarkably versatile, inning accordance with a brand-new study.


For over 150 years, paleontologists have puzzled over the reptile that had a neck 3 times as lengthy as its upper body, but just had thirteen incredibly lengthened vertebrae, and whether it survived on land or in sprinkle.

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Scientists have currently rebuilded the reptile's head in unmatched information using synchrotron radiation micro-computed tomography (SRμCT), an incredibly effective form of CT scanning. Along with exposing crucial aspects of its lifestyle, the checks also show that Tanystropheus had evolved right into 2 various species.


The scientists had the ability to reconstruct a practically complete 3D head from a seriously crushed fossil. The restoration reveals that the head of Tanystropheus has several very clear adjustments forever in sprinkle. The nostrils lie on the top of the snout, similar to in modern crocodilians, and the teeth are lengthy and curved, perfectly adjusted for capturing unsafe victim such as fish and squid.


"WE EXPECTED THE BIZARRE NECK OF TANYSTROPHEUS TO BE SPECIALIZED FOR A SINGLE TASK, LIKE THE NECK OF A GIRAFFE. BUT ACTUALLY, IT ALLOWED FOR SEVERAL LIFESTYLES."


However, the lack of noticeable adjustments for swimming in the arm or legs and tail also means that Tanystropheus wasn't an especially efficient swimmer.


"It most likely hunted by stealthily coming close to its victim in murky sprinkle using its small

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and long neck to remain hidden," says Stephan Spiekman, a paleontologist at the College of Zurich, and lead writer of the paper in Present Biology.


Researchers have mainly found Tanystropheus remains at Monte San Giorgio on the boundary in between Switzerland and Italy, a place so unique for its Triassic fossils that it was stated a UNESCO Globe Heritage Website.


2 kinds of Tanystropheus fossils were found at this place, one small and one large. Previously, these were thought to be the juveniles and grownups of the same species. However, the new study disproves this presumption.

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