Saturday , July 2 2022

Lisowicia bojani: The giant mammal & # 39; cousin & # 39; discovered



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In the Triassic period (252-201 million years ago), torapsites, called mammal-like reptiles, existed together with their ancestors to dinosaurs, crocodiles, mammals, pterosaurs, turtles, frogs and lizards. A group of therapsid, dicynodonts. Researchers at Uppsala University in Sweden have discovered fossils from a new type of devicikodinodont, together with their colleagues in Poland. New species called Lisowicia bojani are told in the journal Science.

The world is about 4.5 billion years old and has undergone many geological periods and dramatic changes. Around 252-201 million years ago during the Triassic period, all the lands on Earth came together and formed a colossal continent called Pangaea. During this time, the first dinosaurs, as well as crocodiles, mammals, pterosaurs, turtles, frogs and lizard's ancestors also emerged. Recently, scientists have begun to be interested in another animal species, therapsids. Therapsids were "mammal-like" reptiles and were ancestors for mammals, including humans today. A group called therapsid 'dicynodonts. All types of dicynodonts ranged from small cavities to herbivores and herbivores. Most of them were toothless. They were freed from the Permian mass extinction and became dominant terrestrial herbivores in Middle and Late Triassic. They died before the dinosaurs became the dominant form of tetrapod on land.

For the first time in collaboration with researchers from the Polish Academy of Sciences (Warsaw), researchers in the Evolution and Development research program at Uppsala University discovered a new type of dicenodont in the village of Lisowice, Poland. The village is named after the German comparative anatomist Ludwig Heinrich Bojanus, who works in Lisowicia bojani and Vilnius and is known for several important anatomical discoveries. The findings show that Lisowicia was approximately 4.5 meters long and 2.6 meters high, with a size of about 9 tons, and 40% larger than any of the previously detected dicenodonts. Analysis of the extremity bones showed a rapid growth, such as a mammal or a dinosaur. During the late Triassic period, about 210-205 million years ago, he lived about 10 million years ago from the earlier findings of dicynodonts.

From the Polish Academy of Sciences Tomasz Sulej, cel We are changing our thinking about the dicynodonts, the deadline of mammalian Triassic relatives in the discovery of Lisowicia. There are also many more questions about what makes them and dinosaurs so great. Ayrıca

"Dicynodonts were incredibly successful animals in Middle and Late Triassic. Lisowicia is the smallest dicynodont from Triassic and the largest non-dinojen terrestrial tetrapod. It is natural to know how Dicynodonts are so great. Dr. Grzegorz Niedzwiedzki from Uasssala University, in most of the classic ideas of & Triasic U mammal-like reptiles.

The first findings of the fossils from Lisowice in Poland were made by Robert Borzecki and Piotr Menducki in 2005. Since then more than 1,000 bone and bone fragments have been collected from the area, including fossils from Lisowicia. The region is thought to be a riverbed during the Late Triassic period.

The discovery of Lisowicia presents the first evidence that dicynodonts, the size of a mammal-like elephant, coexist with the better known long-necked sauropodomorph dinosaurs, in contrast to the previous belief. Includes species such as Sauropodomorphs, Diplodocus or Brachiosaurus. It fills the void in the fossil record of Dicynodonts and shows that some anatomical features of limbs that are thought to characterize large mammals or dinosaurs also develop in non-mammalian synapside. Finally, these findings from Poland are the first important finds of Late Triassic dicenoderms in Europe.

"The discovery of such an important new species is once in its lifetime discovery," says Tomasz Sulej.

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