Geobacillus icigianus Bryanskaya et al. 2015 Bryanskaya A.V. Rozanov A.S. Slynko N.M. Shekhovtsov S.V. Peltek S.E. Geobacillus icigianus sp. nov., a thermophilic bacterium isolated from a hot spring 2015 65 3 864 869 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.000029 25514918