V článku citovaná literatura:

Han T. M. a Runnegar B. (1992): Megascopic eukaryotic algae from the 2.1-billion-year-old negaunee iron-formation, Michigan. Science 257 (5067): 232–235
La Scola B. et al. (2008): The virophage as a unique parasite of the giant mimivirus. Nature 455 (7205): 100–104