Did crocodiles descend from dinosaurs?

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What's the difference: alligator or crocodile?

What's the difference: alligator or crocodile?

Crocodiles and alligators are both green, scaly and toothy — but there's more to them than that. Prove you can spot the differences at HowStuffWorks.


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Sources

  • Animal Diversity Web. "Crocodilia." 2002. (Feb. 27, 2009)http://animaldiversity.ummz.umich.edu/site/accounts/information/Crocodilia.html.
  • Burton, Maurice and Burton, Robert. "International Wildlife Encyclopedia." Marshall Cavendish. 2002. (Feb. 25, 2009)http://books.google.com/books?id=g2_St32S_5wC
  • Florida Museum of Natural History. "Crocodile Talk." (Feb. 27, 2009)http://www.flmnh.ufl.edu/cnhc/cbd-faq-q6.htm
  • Florida Museum of Natural History. "Do crocodiles cry 'crocodile tears'?" (Feb. 27, 2009)http://www.flmnh.ufl.edu/cnhc/cbd-faq-q6.htm
  • NOVA. "Outlasting the Dinosaurs." Public Broadcasting Systems. December 2003. (Feb. 27, 2009)http://www.pbs.org/wgbh/nova/crocs/whos/
  • University of California Museum of Paleontology. "Archosauria: Systematics." (Feb. 27, 2009)http://www.ucmp.berkeley.edu/diapsids/archosy.html
  • University of California Museum of Paleontology. "The Great Archosaur Lineage." (Feb. 27, 2009)http://www.ucmp.berkeley.edu/diapsids/archosy.html