Dinosaur-Era Crocodiles Found in Sahara

Prehistoric Crocodile
In a newly published paper, scientists have described five crocodile species who once lived in present-day Niger and Morocco. The scientists gave their discoveries names that evoke each species' unique physical attributes. The meat-eating "BoarCroc," above, measured 20 feet, with an armored snout and three sets of dagger-shaped fangs.

• National Geographic: When Crocs Ruled the World