Egypt's 80-Million-Year-Old Crocodile Ancestor Rewrites Evolutionary History

Scientists have uncovered the oldest known crocodile ancestor in Egypt, named Wadisuchus kassabi. The 80-million-year-old fossils reveal a species that reshapes the timeline of crocodile evolution in Africa. This discovery pushes back the origins of its family by millions of years. The newly identified species, Wadisuchus kassabi, belongs to the dyrosaurid group, a family of ancient crocodile-like reptiles. Until now, researchers believed these creatures appeared much later in Africa. The fossils prove dyrosaurids were already diverse at least 11 million years earlier than previously recorded.

*Wadisuchus kassabi* measured between 11.5 and 13 feet (3.5 to 4 metres) in length. Its skull featured unusual traits, including nostrils positioned high on its snout, allowing it to breathe while mostly submerged. A deep notch at the tip of its jaws and only four front teeth—rather than the usual five—set it apart from other dyrosaurids. The find comes from Egypt’s Bahariya Oasis, an area rich in prehistoric remains. Researchers now suggest that dyrosaurids began diversifying earlier than once assumed, spreading across Africa long before the end of the dinosaur era.

The discovery of Wadisuchus kassabi rewrites the history of dyrosaurids in Africa. Its age and unique features confirm that these crocodile ancestors thrived in the region far sooner than scientists thought. The fossils provide solid evidence of their early evolution and ecological success.