Lots More Information
Author's Note: Were iguanodon's thumbs murder weapons?
As the dinosaur action sequence illustrates (a HowStuffWorks first, I think), I still long to believe in a genus of thumb-stabbing dinosaurs. But we'll likely never know for sure, at least until time-traveling paleontologists go back and suffer a good shanking firsthand.
More Great Links
- Dixon, Dougal et al. "The MacMillan Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals." MacMillan Publishing Company. 1988.
- Gander, Kashmira. "Laquintasaura: New dinosaur species discovered in Venezuela." The Independent. Aug. 6, 2014. (June 19, 2015) http://www.independent.co.uk/news/science/archaeology/laquintasaura-new-dinosaur-species-discovered-in-venezuela-9652812.html
- "Iguanodons." BBC Nature. 2015. (June 19, 2015) http://www.bbc.co.uk/nature/life/Iguanodon
- Switek, Brain. "A Mysterious Thumb." Smithsonian.com. Dec. 27, 2011. (June 19, 2015) http://www.smithsonianmag.com/science-nature/a-mysterious-thumb-12453139/