Ancient shark graveyard in Egypt reveals 5 extinct species from dinosaur era

Beneath the sands of Egypt's Western Desert, where dunes now stretch to the horizon, paleontologists have uncovered the fossilized remains of five shark species extinct for roughly 100 million years — a quiet testament to how radically the Earth remakes itself over deep time. The discovery, dating to the Cretaceous period, reveals that what is now arid desert was once a shallow, teeming sea, rich enough to sustain diverse predatory life alongside the age of dinosaurs. In reading these bones, scientists are offered not merely a catalog of lost creatures, but a mirror held up to the long, patien