- Anacondas became massive 12 million years ago — and it worked so well, they haven’t changed size since Live Science
- Fossils reveal anacondas have been giants for over 12 million years Phys.org
- Anacondas Are the Rare Prehistoric Giants That Never Shrank, Ssssstudy Reveals Gizmodo
- What Did Anacondas Look Like 12 Million Years Ago? Turns Out They’ve Been Giants For A Long Time IFLScience
- Rare Anaconda Fossils Prove They Have Always Been Enormous and Outlived Other Prehistoric Giants Discover Magazine