This image is of the cranium and mandible of a Homotherium crenatidens saber-tooth tiger fossil. The animal existed in the Pleistocene Epoch. Fossil was discovered in 1870 near Sammerzzano, Upper Valdarno, Italy.
Picture taken at Museo di Geologia e Paleontologia Florence Italy (Università degli Studi di Firenze) in August 2024.