the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Annelida (phylum)
Oligochaeta (class)
Haplotaxida (order)
Lumbricina (suborder)
Lumbricidae (family)
Lumbricus (genus)
[hide inferior taxa]
Lumbricus bimastus (species)
Lumbricus rubellus (species)
Lumbricus terrestris (species)