On the left is a pictograph from Judaculla Rock. On the right is an actual photograph of a microscopic form that it might represent. This is only a small selection of examples. There are many more.
A chondromyces crocatus
A trypanosoma brucei worm
A form of bacteria
For a more complete listing of traditional microscopic life forms, click HERE. You will be surprised upon comparing each type of structure to the pictographs found on Judaculla Rock.