Brazil Finds 65-Foot Dinosaur That Walked From Europe

A road construction project in Brazil just solved a 120-million-year-old mystery about how dinosaurs traveled between continents that no longer touch.

Workers cutting into an eight-meter slope in Maranhão state uncovered bones so massive they first seemed like Ice Age mammal remains. Instead, archaeologist Daniel Ribeiro da Silva had stumbled upon Dasosaurus tocantinensis, a 65-foot-long sauropod that would become Brazil's biggest dinosaur discovery in the region.

The giant long-necked plant-eater lived when South America, Africa, and Europe still shared land connections. Professor Elver Luiz Mayer from the Federal University of the São Francisco Valley realized the bones were far older than anyone expected based on their depth alone.

"Given its depth of about eight meters, I realized that it was much older," Mayer explained. The geological formation dated back 120 million years to the transition between the Lower and Upper Cretaceous periods.

The specimen includes a 1.5-meter femur, tail vertebrae, ribs, and foot bones. It's remarkably complete by sauropod standards, and researchers believe more of the skeleton may still be underground.

Why This Inspires

Here's where the story gets really exciting. When scientists at the University of São Paulo analyzed the dinosaur's place in the family tree, they found its closest relative in Spain.

Garumbatitan morellensis, discovered in Spanish rock formations, turned out to be Dasosaurus's sister species. That connection across today's Atlantic Ocean revealed an ancient migration route from Europe through Africa into South America.

The finding shows dinosaurs moved more freely between continents than modern geography would suggest. Between 140 and 120 million years ago, these giants could walk routes that are now separated by thousands of miles of ocean.

Northeastern Brazil suddenly has a much richer dinosaur past than the fossil record previously showed. Dasosaurus dwarfs the region's other known species, including the 30-foot Amazonsaurus maranhensis.

The discovery pushes scientists to look more carefully at older Early Cretaceous rocks in northern Brazil. What other giants might be waiting eight meters underground?

The fossils now rest in São Luís at the State Center for Natural History and Archaeology Research, where they'll help researchers piece together how ancient animals navigated a very different Earth. Sometimes the most amazing discoveries happen when someone simply decides to dig a road.