Africa: Embryo Fossil Found in South Africa Is World’s Oldest Proof That Mammal Ancestors Laid Eggs
Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including humans: the therapsids. They were first described more than 150 years ago, based on fossils from South Africa. Since then, many more fossils have been discovered. James Kitching, one of the most talented South African…