Methanoflexus curvatus Dataset NCBI Taxonomy Classification kingdom Methanobacteriati phylum Methanobacteriota class Methanobacteria order Methanobacteriales family Methanobacteriaceae genus Methanobrevibacter species Methanobrevibacter curvatus Name Homonyms Methanoflexus curvatus "Methanoflexus curvatus" (Leadbetter and Breznak 1997) Protasov and Brune 2023