Methanocaldococcus indicus L'Haridon et al. 2003 L'Haridon S. Reysenbach A.L. Banta A. Messner P. Schumann P. Stackebrandt E. Jeanthon C. Methanocaldococcus indicus sp. nov., a novel hyperthermophilic methanogen isolated from the Central Indian Ridge. 2003 53 6 1931 1935 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02700-0 14657125