Evolution of hind limb morphology of Titanosauriformes (Dinosauria, Sauropoda) analyzed via 3D geometric morphometrics reveals wide-gauge posture as an exaptation for gigantism.
Páramo A; Mocho P; Escaso F; Ortega F
The study looks at how the back legs of big dinosaurs called sauropods changed over time. These changes helped them stand and move better as they got bigger. The wide-gauge pose of their legs wasn't just because of their size, even though some became the biggest animals ever.