the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Brachiopoda (phylum)
Inarticulata (class)
Lingulida (order)
Lingulidae (family)
Lingula (genus)
[hide inferior taxa]
Lingula anatina (species)
Lingula reevii (species)
Lingula unguis (species)