Thermococcus coalescens Kuwabara et al. 2005 Dataset NCBI Taxonomy Classification kingdom Methanobacteriati phylum Methanobacteriota class Thermococci order Thermococcales family Thermococcaceae genus Thermococcus species Thermococcus coalescens Name Homonyms Thermococcus coalescens Thermococcus coalescens Kuwabara et al. 2005