Mais informações

• Como funcionam os dinossauros
• Como funcionam os fósseis
• Como funciona a evolução

Fontes (em inglês)

• BBC - "Sabre-tooth cat" (1/11/2008)
  
• Cressey, Daniel - "Sabre-toothed cats were weak in the jaw" - Nature News - 10/1/2007 (1/11/2008)
  
• Gordon, Cynthia L. and Nicholas J. Czaplewski - "Second Record of the Pleistocene Saber-toothed Cat, Smilodon Fatalis, in Oklahoma" - Proceedings of the Oklahoma Academy of Science - Vol. 78, 1988 (1/11/2008)
  
• Hecht, Jeff. "Broken Teeth Tell a Tale of Competing Carnivores" - New Scientist. 8/7/1993 (1/11/2008)
  
• Hecht, Jeff. "Sabre-tooth cat had a surprisingly delicate bite" - New Scientist. 10/1/2007 (1/11/2008)
  
• Henry, Colin R. et al. "Supermodeled sabercat, predatory behavior in Smilodon Fatalis revealed by high-resolution 3-D computer simulation" - Proceedings of the National Academy of Sciences of North America - Vol. 10 - 10/2/2007 (2/11/2008)
  
• Illinois State Museum - "Saber-toothed cats" - (2/11/2008)
  
• La Brea Tar Pits - "Sabertoothed Cat" - (2/11/2008)
  
• McDonald, Dr. Greg - "Taking a Stab at Understanding Hangerman's Sabertooth Cats" - National Park Service - 3/1999 (2/11/2007)
  
• Mestel, Rosie - "Saber-Toothed Tales" - Discover - 4/1/1993 (1/11/2008)
  
• Natural History Museum - "Cats! Wild to Mild: Saber-toothed Cat" - 2/11/2008)
  
• New Scientist - "Sabre-tooth's growl was worse than its bite" - 10/6/2007 (1/11/2008)
  
• Smillie, Shaun - "Killer Cats Hunted Human Ancestors" - National Geographic - 5/20/2002 (1/11/2008)
  
• Smithsonian Magazine - "Wild Things" - 12/2007 (1/11/2008)
  
• UCMP Berkley - "What is a Sabertooth?" (2/11/2008)