Ancient Crocodile With Needle Teeth Found in Morocco

A crocodile ancestor with teeth like fine needles has been unearthed in Morocco's Atlas Mountains, showing that ancient reptiles were far stranger than we thought.

Scientists from the University of Portsmouth and Hassan II University of Casablanca found fossils of the creature, which lived 170 million years ago during the age of dinosaurs. They named it ctenosuchus tenuidens, combining Ancient Greek words for "comb," "crocodile," and "thin teeth."

Unlike its powerful, fish-crunching relatives, this ancient croc had a long, narrow snout packed with delicate teeth that would snap if it caught anything too large. The researchers believe it survived by dining on soft prey like shrimp, worms, and tiny fish.

"If it caught a big fish, and the fish wriggled, those delicate teeth would get smashed," said Hamzah Imran, the lead researcher from the University of Portsmouth. The teeth were so fragile that the animal had to be selective about what it ate, making it completely unique among long-snouted crocodiles.

The fossils came from rocks formed in ancient rivers and lakes in what is now southeastern Morocco. Back then, this area was part of Gondwana, a massive supercontinent that included modern-day Africa.

Why This Inspires

This discovery proves that ancient crocodiles were wildly diverse, not just the fierce predators we imagine. Some evolved to fill gentle niches in their ecosystems, using delicate features to survive rather than brute strength.

The find also reveals a fascinating pattern: the ctenosuchus's teeth look remarkably similar to those of Jurassic pterosaurs, flying reptiles that lived millions of years later. These separate groups of animals evolved the same feeding strategy independently, showing how nature finds similar solutions across different species and time periods.

Morocco continues to surprise paleontologists with its fossil riches. "It just shows there is much more out there that needs to be explored," Imran said. "Morocco has an incredibly rich fossil history, but there is still so much waiting to be discovered."

Every new fossil changes how we understand life on ancient Earth, reminding us that the past was far more varied and wonderful than textbooks suggest.