Fossilized bones unearthed on a ranch in Chubut Province, Argentina belong to Patagotitan mayorum, the largest land animal scientists have identified to date, a titanosaur estimated at roughly 37 meters long and over 50 tonnes. Paleontologists formally described the species in 2017 from remains of at least six individuals.
Record no. MRB-2026-005733
Largest Dinosaur Ever Discovered
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.