Thiococcus pfennigii Dataset NCBI Taxonomy Rank SPECIES Classification phylum Pseudomonadota class Gammaproteobacteria order Chromatiales family Chromatiaceae genus Thiococcus species Thiococcus pfennigii Name Synonyms "Thiococcus sp." Eimhjellen et al. 1967 Thiocapsa pfennigii Thiocapsa pfennigii Eimhjellen 1970 (Approved Lists 1980) Thiococcus pfennigii (Eimhjellen 1970) Imhoff et al. 1998 Homonyms Thiococcus pfennigii Thiococcus pfennigii (Eimhjellen 1970) Imhoff et al. 1998