Brown M. W., Spiegel F. W., Silberman J. D. (2007) Amoeba at attention: phylogenetic affinity of Sappinia pedata. J. Eukaryot. Microbiol. 54: 511–519 Cook W. R. I. (1939) Some observations on Sappinia pedata Dang. Trans. Brit. Mycol. Soc. 22: 302–306 Dangeard P. A. (1896) Contribution à l’étude des Acrasiées. Botaniste 5: 1–20 Gelman B. B., Rauf S. J., Nader R., Popov V., Borkowski J., Chaljub G., Nauta H. W., Visvesvara G. S. (2001) Amoebic encephalitis due to Sappinia diploidea. J. Am. Med. Assoc. 285: 2450–2451 Gelman B. B., Popov V., Chaljub G., Nader R., Rauf S. J., Nauta H. W., Visvesvara G. S. (2003) Neuropathological and ultrastructural features of amoebic encephalitis caused by Sappinia diploidea. J. Neuropathol. Exp. Neurol. 62: 990–998 Goodfellow L. P., Belcher J. H., Page F. C. (1974) A light- and electron-microscopical study of Sappinia diploidea, a sexual amoeba. Protistologica 2: 207–216 Guindon S., Lethiec F., Duroux P., Gascuel O. (2005) PHYML Online – a web server for fast maximum likelihood-based phylogenetic inference. Nucleic Acids Res. 33: W557–559 Hall T. A. (1999) BioEdit: a user-friendly biological sequence alignment editor and analysis program for Windows 95/98/NT. Nucleic Acids Res. Symp. Ser. 41: 95–98 Hartmann M., Nägler K. (1908) Copulation bei Amoeba diploidea n. sp. mit Selbständigbleiben der Gametenkerne während des ganzen Lebenszyklus. Sitzungsber. d. Ges. Naturforsch. Fr. Berlin 5: 112–125 Huelsenbeck J. P., Ronquist F., Nielsen R., Bollback J. P. (2001) Bayesian inference of phylogeny and its impact on evolutionary biology. Science 294: 2310–2314 Levine N. D. (1961) Protozoan Parasites of Domestic Animals and of Man. Burgess Publishing Company Minneapolis, Minnesota Michel R., Wylezich C., Hauröder B., Smirnov A. V. (2006) Phylogenetic position and notes on the ultrastructure of Sappinia diploidea (Thecamoebidae). Protistology 4: 319–325 Noble G. A. (1958) Coprozoic protozoa from Wyoming animals. J. Protozool. 5: 9–74 Olive E. W. (1902) Monograph of the Acrasieae. Proc. Boston Soc. Nat. Hist. 30: 451–510 Page F. C. (1988) A New Key to Freshwater and Soil Gymnamoebia. Freshwater Biological Association, Ambleside Page F. C., Siemensma F. J. (1991) Nackte Rhizopoda und Heliozoa. Gustav Fischer Verlag, Stuttgart, New York Raper K. B. (1940) The communal nature of the fruiting process in the Acrasieae. Am. J. Bot. 27: 436–448 Raper K. B. (1960) Levels of cellular interaction in amoeboid populations. Proc. Am. Philos. Soc. 104: 579–604 Qvarnstrom Y., da Silva A. J., Schuster F. L., Gelman B. B., Visvesvara G. S. (2009) Molecular confirmation of Sappinia pedata as a causative agent of amoebic encephalitis. J. Infect. Dis. 199: 1139–1142 Schuster F. L. (2002) Cultivation of pathogenic and opportunistic free-living amebas. Clin. Microbiol. Rev. 15: 342–354 Schuster F. L., Visvesvara G. S. (2004) Free-living amoebae as opportunistic and non-opportunistic pathogens of humans and animals. Int. J. Parasitol. 34: 1001–1027 Smirnov A. V., Nassonova E. S., Chao E., Cavalier-Smith T. (2007) Phylogeny, evolution and taxonomy of vannellid amoebae. Protist 158: 295–325 Smirnov A. V., Chao E., Nassonova E. S., Cavalier-Smith T. (2011) A revised classification of naked lobose amoebae (Amoebozoa: Lobosa). Protist 162: 545–570 Thompson J. D., Gibson T. J., Plewniak F., Jeanmougin F., Higgins D. G. (1997) The ClustalX windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools. Nucleic Acids Res. 24: 4876–4882 Trabelsi H., Dendana F., Sellami A., Sellami H., Cheikhrouhou F., Neji S., Makni F., Ayadi A. (2012) Pathogenic free-living amoebae: epidemiology and clinical review. Pathol. Biol. 60: 399–405 Visvesvara G. S., Moura H., Schuster F. L. (2007) Pathogenic and opportunistic free-living amoebae: Acanthamoeba spp., Balamuthia mandrillaris, Naegleria fowleri, and Sappinia diploidea. FEMS Immunol. Med. Microbiol. 50: 1–26 Walochnik J., Wylezich C., Michel R. (2010) Sappinia sp.: History, phylogeny and medical relevance. Exp. Parasitol. 126: 4–13 Wylezich C., Walochnik J., Michel R. (2009) High genetic diversity of Sappinia-like strains (Amoebozoa, Thecamoebidae) revealed by SSU rRNA investigations. Parasitol. Res. 105: 869–873