the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Nematoda (phylum)
Enoplea (class)
Trichocephalida (order)
Trichinellidae (family)
Trichinella (genus)
[hide inferior taxa]
Trichinella britovi (species)
Trichinella nativa (species)
Trichinella papuae (species)
Trichinella spiralis (species)