![]() ![]() CT imaging reveals instead that the pathological distortions characterize chronic remodeling that began at birth and led to degeneration of the joint over the animal’s life. The pelvis exhibits massive destruction of the right hip socket that was interpreted, for nearly a century, to have developed from trauma and infection. Here, we assess hypothesized etiologies of pathology in a pelvis and associated right femur of a Smilodon fatalis saber-toothed cat, one of the best-studied species from the Pleistocene-age Rancho La Brea asphalt seeps, California, USA, using visualization by computed tomography (CT). However, damage preserved as paleopathologies on bone can record how an animal moved in life, potentially reflecting behavioral patterns. ![]() Reconstructing the behavior of extinct species is challenging, particularly for those with no living analogues.
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