the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Annelida (phylum)
Oligochaeta (class)
Haplotaxida (order)
Lumbricina (suborder)
Megascolecidae (family)
[hide inferior taxa]
Metaphire posthuma (species)
Pheretima sieboldi (species)
Pheretima tschiliensis (species)
Pheretima vittata (species)
Polypheretima elongata (species)