Every now and again I need to remind myself of the SharePoint Content Type hierarchy and I have to go and search for it so I figured I should probably add it here for reference.
This is very useful information and critical to understand when working with Content Types in SharePoint.
Having a good understanding how the Content Type GUIDs are constructed is also extremely useful because from the GUID you can quickly work out the line of descent.
The list below comes from:
This is also worth reading for further information regarding Content Type IDs:
|East Asia Contact||0x0116|