I was pointed in the direction of this site earlier today:
It allows you to create "average" faces by compiling several different photos of faces together. Ananke suggested someone do this for specific sociotypes, so I thought I'd try it out. It takes a lot of work to do, so I only did two averages (male and female) for two different types.
Without looking at the filenames, see if any specific types are discernible from these: