Vertebrae of Chilesaurus diegosuarezi 3D Model almost 4 years 64 Mammuthus primigenius 3D Model almost 4 years 234 Tyrannosaurus rex skull 3D Model almost 4 years 384 Ctenomys fulvus 3D Model almost 4 years 63 Lycalopex griseus 3D Model almost 4 years 66 Lagenorhynchus australis 3D Model almost 4 years 65 Octodon degu 3D Model almost 4 years 42 Ctenomys fulvus 3D Model almost 4 years 48