the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Nematoda (phylum)
Chromadorea (class)
Rhabditida (order)
Rhabditidae (family)
[hide inferior taxa]
Caenorhabditis (genus)
Oscheius myriophila (species)
Prodontorhabditis wirthi (species)
Rhabditella axei (species)