A groundbreaking study led by Chinese scientists has unveiled new insights into the early evolution of Jurassic mammals, shedding light on their morphological and functional transformations. The research, conducted by the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) under the Chinese Academy of Sciences, highlights two pivotal changes in the transition from reptiles to mammals.
The first significant transformation identified is in dental evolution. Mammalian teeth evolved from simple to complex structures, enhancing their feeding capacity. This adaptation allowed early mammals to diversify their diets and exploit new ecological niches during the Jurassic period.
The second critical change involves the evolution of the jaw and ear bones. The mandibular skull joint in reptiles transformed into the middle ear ossicular chain in mammals. This modification improved auditory effectiveness, granting early mammals a heightened sense of hearing essential for survival in their environments.
These findings provide valuable contributions to the understanding of mammalian ancestry and the evolutionary processes that shaped modern mammals. The study underscores the intricate developments that occurred during the Jurassic era, offering a deeper appreciation of the complexity of life’s history on Earth.
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New study reveals insights into early evolution of Jurassic mammals
cgtn.com
