Research highlighted in Scientific Reports says the Patagonian fossil offers stronger anatomical evidence despite not being among the largest titanosaurs.
Scientists say more complete specimens matter more than sheer size because precise limb and vertebra measurements can reshape evolutionary links among sauropod species.
The finding adds to Patagonia's importance in dinosaur research, where discoveries including Patagotitan and Dreadnoughtus have helped compare giant sauropods from the same region.
Why is a complete two-pound dinosaur fossil more valuable than a partial 50-ton giant?
What new technologies are revealing hidden secrets within these remarkably complete dinosaur skeletons?
How are Patagonian fossils rewriting what we know about the global dinosaur family tree?