Thiothrix/Francisella group Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Thiotrichales Name Homonyms Thiothrix Thiothrix I Thiothrix Winogradsky 1888 (Approved Lists 1980) Thiothrix/Francisella group Thiothrix Winogradsky 1888 (Approved Lists 1980) emend. Howarth et al. 1999