>A new study has shed light on the evolutionary journey of Old World monkeys, who originated in Africa before dispersing to Asia. By analyzing the fossilized tooth of a 25-million-year-old monkey found in Egypt's Western Desert, researchers have gained valuable insights into the timing of this dispersal event.

The study, published in the journal "Scientific Reports," provides the first evidence of anthropoids, a subgroup of primates that includes monkeys, apes, and humans, inhabiting northern Africa during this period. The fossilized tooth belongs to a species called "Qatrania wingi," an extinct monkey that was similar in size to a modern-day vervet monkey.

This discovery suggests that anthropoids may have colonized northern Africa as early as the Oligocene epoch, which occurred between 34 and 23 million years ago. This is significantly earlier than previously believed and pushes the timeline for anthropoid dispersal back by several million years.

Researchers from Egypt's Mansoura University, the University of Michigan, and the Egyptian Geological Museum collaborated on the study, highlighting the importance of international cooperation in advancing our understanding of primate evolution.

Dr. Erik Seiffert, a professor at Stony Brook University and a co-author of the study, emphasized that the discovery has implications for understanding the geographic origins and evolutionary relationships of anthropoids. It challenges previous assumptions and opens up new avenues for exploration.

The study highlights the significance of the Western Desert of Egypt as a treasure trove of fossils, offering a window into the ancient biodiversity of Africa and the complex evolutionary processes that have shaped the natural world.

As scientists delve deeper into the fossil record, they continue to uncover captivating details about the history of life on Earth, including the migrations of our ancient primate ancestors.