This Pappocetus jaw captures a turning point in evolution. Ten strong teeth line the massive jawbone, built for catching prey in shallow seas. These early whales had left the land behind but hadn't yet mastered ocean life. They hunted using sight and smell, not the echolocation that modern whales use today.

Forty million years ago, Morocco's ancient coastline was home to animals in transition. Pappocetus swam with paddle-shaped front limbs and shrunken hind legs. They spent time in water and on shore. The thick tooth roots and worn edges show a top predator adapting to hunt underwater. The jaw represents the first steps in an incredible journey from land mammal to ocean giant.