Cronopio is a dryolestoid mammal of Cretaceous Argentina.
Cronopio had a long snout and long teeth, much like sabers. They lived about 100 million years ago.
- ↑ Guillermo W. Rougier, Sebastián Apesteguía and Leandro C. Gaetano (2011). "Highly specialized mammalian skulls from the Late Cretaceous of South America". Nature 479: 98–102. doi:10.1038/nature10591. http://www.nature.com/nature/journal/v479/n7371/full/nature10591.html#/supplementary-information. Supplementary information
- ↑ "Sabre-toothed squirrel scurried at dinosaurs' feet - life - 02 November 2011 - New Scientist". http://www.newscientist.com/article/dn21114-sabretoothed-squirrel-scurried-at-dinosaurs-feet.html. Retrieved 2011-11-04.
- ↑ http://www.dailymail.co.uk/sciencetech/article-2056715/Fossil-sabre-toothed-squirrel-fills-60million-year-void-knowledge-South-American-mammals.html
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