Various bone studies, the velociraptor and human skull were sculpted in Zbrush, while the racoon skull began as a 3D scan and was cleaned up/sculpted in blender.
Velociraptor skeleton study
A skull study made in Zbrush, the snake and shader were made in Blender.
A racoon skull scanned with a Revopoint pop 3. The initial Revoscan cleanup is shown in blue while the final cleanup was done with sculpting in Blender.