Impressions are gained in a fluid, global, diffused way. Credit: Jorge Blanco and Journal of Vertebrate Paleontology
Late Cretaceous, Lulukalkan aleocranianus can be as long as an elephant, has extremely powerful bites, very sharp teeth and huge claws in the legs.
Research published today (March 30, 2021) in peer-review Journal of Vertebrate Paleontology Describes a newly discovered species of dinosaur – called ’cause of fear’, or Lluclakan aliocranianus.
About 800 million years ago, when the tyrannical hemisphere was ruled in the Northern Hemisphere, this locale was one of the 10 existing species that thrived in the southern hemisphere.
A horrible killer, Llukkalkan Patagonia was now “probably among the top hunters”, now in Argentina, during the heavenly size (five meters long), extremely powerful bites, very sharp teeth, huge claws in their feet and their eager sense of smell.
He had a strange short skull with rough bones, so in life he had bulges and celebrities like a wet monster or some current reptile like iguana in his head. His hearing was also different from other Abelis ur Reeds. The design of his skull suggests that it was better than other abelis ur reeds and like modern crocodiles.
Its full name comes from the original Mapuche for ‘sorry causes fear’ – Llukakkan, And Latin for ‘various skulls’ – Aliocranius.
They lived in the same small area and in the same period as the other species of Fulliasurian (hard-backed lizard) Abelissaurid – Viawater exoni – a few years before the end of the dinosaur age.
Discovery site of Llukakkan Aliocranians. Credits: Journal of Vertebrate Paleontology
Fossil remains Llukkalkan And the Viovenator was found in the Bajo de la Carpa formation, about 700 meters away, near the same famous fossil site at La Invernada, Argentina.
“This is a particularly important discovery because it suggests that the diversity and abundance of Abelis ur Reeds was significant not only in Patagonia, but also in more endemic areas during the dinosaur twilight period,” said lead author Dr. Says Federico Giannacini, National University of San Luis, Argentina.
Abelissauridae was a fascinating family of five- to nine-meter-long average-throated dinosaurs, mainly wrapped in Patagonia and other areas of the ancient southern subcontinent of Gondwana – known today as Africa, India, Antarctica, Australia, Australia, and South America. To date, about 10 species of this terrifying predator have been found in Patagonia. While the Abelissaurids looked like T-Rex in general appearance with small stubby arms, they had unusually short, deep skulls that often carried crests, lumps and horns and were unique.
Moving straight over their hind limbs with huge claws as they wield their prey with a knife, Llukkalkan There were extremely powerful bites and very sharp teeth with which to control their prey while moving faster thanks to their powerful hind legs.
The skull of the Lulculcan aliocranians. Credit: Journal of Vertebrate Paleontology
Remains Remains Llukkalkan Include a nicely preserved and uncrisked braincase. This new species is similar in many respects to the ventilator, except that it is smaller, the pores of the skull through which the veins pass, differing from the supra occipital crest (one of the bones that make up the brain), other differences. But the most distinctive feature of the new dinosaur is a small posterior air-filled sinus in the middle ear area that has not been found in any other abalisoride found to date.
That means that Llukkalkan Probably heard differently for other other abelissaurids – mostly better and similar to modern crocodiles, co-author of the Patagonian Institute of Argentina and paleontology Dr. Ariel explains Mendez.
“This discovery leads to different hearing adaptations from other abelisids, and possibly hearing curiosity,” says Dr. Mendez.
Although he is alive, there is fossil evidence LlukkalkanThe adaptation of no suggests that abelissaurids flourished before the dinosaurs became extinct.
“These dinosaurs were still trying new evolutionary ways and rapidly diversifying before they died out completely,” Mendez added.
Despite their remarkable discoveries, much remains to be discovered. “This discovery also suggests that there is more abelissaurid potential that we have not yet discovered, so we will explore other new species and gain a better understanding of the relationship between furious auras,” says Giannini.
Ref: March 30, 2021, Journal of Vertebrate Paleontology.
DOI: 10.1080 / 02724634.2020.1877151
