Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Negibacteria (Rjheekñndd)
Proteobacteria (Purple bacteria & relatives)
Deltaproteobacteria
Desulfobacterales
Desulfobacteraceae
Children (2 direct children, 2 direct and indirect children):
Desulfofrigus fragile
Desulfofrigus oceanense