Thermogymnomonas acidicola Itoh et al. 2007 Itoh T. Yoshikawa N. Takashina T. Thermogymnomonas acidicola gen. nov., sp. nov., a novel thermoacidophilic, cell wall-less archaeon in the order Thermoplasmatales, isolated from a solfataric soil in Hakone, Japan. 2007 57 11 2557 2561 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65203-0 17978217