This allowed them to study the detailed structure of the jaw and skull in Riograndia guaibensis and Brasilodon quadrangularis ...

1, the evolution of stronger, more effective jaw mechanisms, is the subject of this lecture and one topic in last week’s lab. The other changes will be discussed in later lectures. Evolution of the ...

In Ethiopia, they found hominid skull, jaw, and arm bones plus a few teeth that dated back to 4.4 million years ago. That would make these the oldest hominid ancestors yet identified, and the most ...