November 17, 1991 (, Xinwei October 12), the United States largest skull fossils found on Earth. November

1991, (L $ dj��.c��m) U.S. scientists found along the coast of the South American Amazon blunt alligator skull fossil. Such carnivores living 800 million years ago is even larger than the dinosaurs 60 million years ago. This blunt alligator is the largest animals to walk on earth.
According to the British newspaper "Independent" reported Professor Carl - Fula Lai, Overland Park, Kan., this blunt alligators height of 2-4 m, length 12 m. Its skull length of 1-3 m, the estimated weight of about 12 tons. Prey as an ox rodents it with a 12 cm long teeth, but also prey birds and turtles animals.