Wikipedia:Today's featured article/November 2, 2011



Deinosuchus is an extinct relative of the alligator that lived 80 to 73 million years ago, during the Late Cretaceous period. The name is derived from the Greek δεινός/deinos ("terrible") and σουχος/soukhos ("crocodile"). Although Deinosuchus was far larger than any modern crocodile or alligator—measuring up to 12 m and weighing up to 8.5 MT—its overall appearance was fairly similar to its smaller relatives. It had large, robust teeth that were built for crushing, and its back was covered with thick semispherical osteoderms. One study indicates that Deinosuchus may have lived for up to 50 years, growing at a similar rate to that of modern crocodilians, but maintaining this growth over a much longer period of time. Deinosuchus fossils have been found in ten U.S. states, as well as northern Mexico. It lived on both sides of the Western Interior Seaway, and was an opportunistic apex predator in the coastal regions of eastern North America. Deinosuchus reached its largest size in its western habitat, but the eastern populations were far more abundant. Deinosuchus was probably capable of killing and eating large dinosaurs. It may have also fed upon sea turtles, fish, and other aquatic and terrestrial prey. (more...)

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