the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Deltaproteobacteria (class)
Desulfuromonadales (order)
Geobacteraceae (family)
Geobacter (genus)
[hide inferior taxa]
Geobacter bemidjiensis (species)
Geobacter metallireducens (species)
Geobacter sulfurreducens (species)