These tetherings between desmosomes and mitochondria are pretty plentiful. Here is another example of one such from a hepatocyte from a stub tail monkey. This one shows some very distinct banding…. a little more demarcated than liver, I wonder if this is just opportune sectioning or some molecular difference in the components.  Enlargement of the desmosome below top image.

I looks in this image like the plasmalemma of each cell has a very rigid separation of the two leafelets.