Brazilian fossils reveal jaw-dropping discovery in mammal evolution
These fossils, belonging to the mammal-precursor species Brasilodon quadrangularis and Riograndia guaibensis, offer critical insights into the development of the mammalian jaw and middle ear, revealing evolutionary experiments that occurred millions of years earlier than previously thought. Mammals stand out among vertebrates for their distinct jaw structure and the presence of three middle ear bones. … Read more
