2 million years ago, Babaylan Cloth Kissed Huge Hyena is a native of Europe? Latest research says “no”

China News Service, Beijing, January 25 (Reporter Sun Zifa) A major environmental and biological innovation incident that occurred in the European continent about 2 million years ago – the “Short Kiss Hyena Incident” and related research have attracted much attention from the academic community.

As the largest bone-breaking hyena in the history of the earth, the now extinct but once dominated the animal kingdom of Babaylan, the short-kissing hyena has long been regarded as an indigenous group of Europe. However, the discovery of a huge hyena specimen of a very large individual in Dalian, China, and the latest research on the sample by Chinese and foreign scientists has completely overturned the above tradition and inherent understanding. On this basis, researchers Komiks 1960 witch cloth draw also proposed the “Northeast Asian Origin Theory” of short-smelted hyena for the first time.

Why do you need to study short-kissed hyenas?

The Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences (Institute of Vertebrate Paleontology of the Chinese Academy of Sciences) led the research, Liu Babaylan 1990 cloth draw Researcher of Jin Yi, Komiks 1960 witch cloth draw, said that the size of the short-kissed hyenas is much larger than the close species in life, such as the spotted hyenas and paleoans, and its weight is comparable to that of the current lioness. Its influence is completely comparable to that of the sabooth tigers and other saber-toothed tigers of the contemporary era, and it is even more than that of the saber-toothed tigers. After all, its number of individuals is much larger than the latter. In the animal kingdom at that time, it once dominated the country and was the best in the world. Although the short-kiss hyenas have long been extinct, they were very prosperous and widely distributed in Eurasia during the early and mid-Pleistocene periods. They were a common and typical animal species in mammals at that time. They were also a focus species that attracted much attention in the succession and innovation of Pleistocene fauna. Their appearance and extinction usually have a landmark connotation. For example, the “short-kiss hyenas incident” refers to a major environmental and biological innovation event that occurred on the European continent about 2 million years ago.

The short-skinned hyena has a series of unique anatomical morphological characteristics and is eye-catching: the strong skull and mandible, the developed sagittal crest and zygomatic arch, the extremely thick premolar teeth and thick enamel, etc., are all mechanical adaptive manifestations of their unique diet. Many early and middle school Cinema 1950 witch cloth drawThe gathering and burial of animal bones in Pleistocene fossil sites is largely due to the specific foraging behavior of short-kissed hyenas – transporting and hiding animal corpses.

Short kiss of the Solid LilyCinema 1950 witch cloth drawWhat are the controversies about the research of dogs? Liu Jinyi pointed out that the short-kiss hyenas that frequently appear in Eurasia were classified into different species due to their origins or ages, such as the mulberry hyenas, the Chinese hyenas or (narrow) short-kiss hyenas, etc., for the realities between these hyenasKomiks 1960 witch cloth The academic community currently lacks a unified and clear understanding of the system, and there are quite a lot of differences and controversies: some people argue that hyenas in different regions or ages should represent several different effective independent species; some people believe that all hyenas in Eurasia should be the same type, perhaps including different subspecies (groups); and even more, even the differentiation of subspecies (groups) is completely denied.

Cinema 1950 witch cloth drawThe controversial academic hot topics that have attracted much attention in the field of origin and evolutionary research of the Cinema 1950 witch cloth drawThe controversial academic hot topics that have attracted much attention in the field of origin and evolutionary research. Liu Jinyi, together with the University of Bristol, the Czech Republic, the Czech Republic, and other relevant experts and scholars, formed a cooperative team to collect the newly collected gold from the Camel Mountain in Dalian.A large individual hyena specimen V26310 in the far cave was focused on research, and extensive and systematic morphological and data measurements were compared with other related specimens in Eurasia. At the same time, in-depth discussion and analysis of the systematic classification, origin and intercontinental migration of hyena Babaylan 1990 cloth draw Cinema 1950 witch cloth draw and paleoecology and other related academic issues.

The latest achievement paper completed by the cooperative team that completely subverts the traditional cognition of the evolution of the hyenas, recently Komiks 1960 witch cloth draw was published online by the well-known international professional academic journal “The Quaternary of the International”. Liu Jinyi said that the research results of the cooperative team showed that among all comparable specimens, whether in size or morphology, the Chinese V26310 specimen is closest to the Sainzelles short-skinned hyena pattern specimen produced in France. In addition, V26310 is different from the common Chinese Sang Horoscope and Chinese Horoscope in terms of morphological characteristics such as the upper and lower fissures and premolars. Therefore, the V26310 specimen can be clearly identified as short-skinned Horoscopes, which is the first report in China and even East Asia.

He said that the short-kiss hyenas were created based on specimens from France’s Sainzelles, and the existing fossil records are mainly limited to the European continent, so they have long been regarded as an indigenous group of Europe. The discovery of the short-kiss hyenas V26310 specimen in Jinyuan Cave in Dalian completely overturned this tradition and the inherent understanding of Babaylan 1990 cloth draw.

What is the basis for the “Northeast Asia Origin Theory”?

In comparative study of short-kissed hyena from different regions or agesAt that time, the joint Komiks 1960 witch cloth draw team found that these hyenas do have several subtle differences and differences in size and shape, and they may have a relatively close relationship with each other. Based on this analysis, researchers believe that the short-kissed hyenas in Eurasia should be classified as the same species, but they need to be further divided into different subspecies Cinema 1950 witch cloth draw(group). These subspecies (groups) almost form a branch with ancestral evolutionary relationships to each other, but they are not caused by geographical isolation and differentiation, but are actually manifestations of the branch of the hyena hyena at different evolutionary stages.

Liu Jinyi pointed out that the first appearance of the short-kissed hyenas in the European continent has attracted great attention and interest. It is generally believed that the short-kissed hyenas should have migrated from other regions outside Europe, and it is believed that the first appearance of the hyenas in many places in Europe about 2 million years ago in many European places such as Italy, Greece and Spain. It deeply reflects the “short-kissed hyenas incident” experienced by the European continent. However, people have vaguely described the exact origin of the European continent’s short kiss, and always lacks reliable and convincing fossil evidence.

“Babaylan 1990 cloth drawThe discovery of short-kissed hyenas in Jinyuan Cave in Dalian brought dawn to the solution of this puzzle and provided credible empirical information for the first time.”

Liu Jinyi said that although the geological age of the V26310 specimen is estimated to be only 1.86 million years ago, there is evidence that the emergence of short-kissed hyenas in Jinyuan Cave in Dalian can be traced back to 2 million years or even earlier. Therefore, it is very likely that the short-kissed hyenas were first born in Northeast Asia, and then spread to other parts of Asia, and finally arrived in Europe. On this basis, the cooperative team proposed the “Northeast Asian Origin Theory” of the short-kissed hyenas for the first time.

What is the significance of the study on the discovery of V26310 specimen?

As the largest hyena in the history of the earth, the weight and size of the hyena with short kisses have always been a topic of concern in the academic community, and almost every article involvesAnd research papers on short-skinned hyena will repeatedly mention the eye-catching feature of excessive body size. Previously, the largest body size record of the short-sniff hyena is from a pattern specimen from the French Sainzelles, whose cranial base is 322 mm long, which is very close to the largest individual of the current African lion.

Liu Jinyi said that the newly discovered short-skinned hyena V26310 specimen found in Dalian, China, is larger than the French model specimen, both in the length of the teeth and the thickness of the jaw bone. It is estimated that its cranial base length reaches 332 mm, which not only surpasses the largest lion in Africa today, but also can even compare with the largest American lion in history.

He believes that the V26310 specimen produced in Jinyuan Cave in Dalian is most likely to represent the largest individual specimen of a short-smelled hyena discovered so far. Today’s research shows that mammals, especially carnivorous animals, have a body shape or weight, or their body weight, which directly affects the ecological behavior of individual animals, energy and physiological needs, as well as predation strategies.

“So, as the largest individual discovered so far, the emergence of the V26310 specimen will surely help people better understand and correctly evaluate the biological characteristics of the short-sex hyenas, such as ecological habits, foraging behaviors and predation strategies,” Liu Jinyi concluded. (End)