the root (no rank)
Bacteria (domain)
Firmicutes (phylum)
Clostridia (class)
Clostridiales (order)
Selenomonadaceae (family)
Selenomonas (genus)
Selenomonas ruminantium (species)
[hide inferior taxa]
Selenomonas ruminantium lactilytica (subspecies)
Selenomonas ruminantium ruminantium (subspecies)