The newly discovered species are:
• Kaprosuchus saharicus, nicknamed "BoarCroc," found in Niger. BoarCroc was a 20-foot-long meat-eater with an armored snout for ramming and three sets of dagger-shaped fangs for slicing. The tusks stuck out above and below the jaw like a modern warthog, said Larsson. "This has never been seen before on any crocodile."
• Araripesuchus rattoides, which the researchers call "RatCroc," found in Morocco. This 3-foot-long croc was a plant- and grub-eater with a pair of buckteeth in the lower jaw it used to dig for food.
• Laganosuchus thaumastos, or "PancakeCroc," found in Niger and Morocco. Also 20 feet long, it was a squat fish-eater with a 3-foot pancake-flat head and spike-shaped teeth on slender jaws. Sereno said it probably remained motionless for hours, its jaws open and waiting for prey.
In addition the researchers found new fossils of two previously named species:
• Anatosuchus minor, "DuckCroc," found in Niger, a 3-foot-long fish-, frog- and grub-eater with a broad snout and Pinocchio-like nose. Special sensory areas on the snout end allowed it to root around on the shore and in shallow water for prey. Its closest relative is in Madagascar.
• Araripesuchus wegeneri, or "DogCroc," found in Niger, a 3-foot-long plant- and grub-eater with a soft, doglike nose pointing forward.
Sereno has focused since 2000 on fossils in the Sahara Desert, his first find being Sarcosuchus imperator, a 40-foot-long creature that would have weighed 8 tons and which he called "SuperCroc."
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