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American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of various large extinct cats of the Oligocene to Pleistocene Epochs having very long upper canine teeth.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||saber-toothed tiger - any of many extinct cats of the Old and New Worlds having long swordlike upper canine teeth; from the Oligocene through the Pleistocene|
Smiledon californicus - North American sabertooth; culmination of sabertooth development
false saber-toothed tiger - North American cat of the Miocene and Pliocene; much earlier and less specialized than members of the genus Smiledon
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