Pansporella perplexa. Réflexions sur la biologie et la phylogénie des protozoaires.

Chatton was the first to characterize the distinction between the eukaryotic and prokaryotic systems of cellular organization. See Jan Sapp, "The prokaryote-Eukaryote dichtomy: meanings and mythology," Microbiol. Mol. Biol. Rev., 69 (2005) 292-305.