1. Hartmannella astronyxis: a new species of free-living ameba.;Ray;J. Morphol.,1954
2. Pelomyxa carolinensis (Wilson) or Chaos chaos (Linneaus)? Biol.;Rice;Bull.,1945
3. Der kleine Proteus.;Rosel von Rosenhof;Monatlichherausgegebenen Insecten-Belustigung.,1755
4. Notes on the specific and other characters of Amoeba proteus Pallas (Leidy), A. discoides spec, nov., and A. diibia spec.;Schaeffer;Nov. Arch. Protistenk.,1916
5. Taxonomy of the amebas.;Schaeffer;Papers Dept. Marine Biol. Carnegie Inst. Washington.,1926