kingdom: Animalia >
phylum: Chordata >
subphylum: Vertebrata >
infraphylum: Gnathostomata >
parvphylum: Osteichthyes >
megaclass: Tetrapoda >
class: Aves >
order: Passeriformes >
family: Acanthizidae Bonaparte, 1854 >
genus: Smicrornis Gould, 1843 >
species: Smicrornis brevirostris (Gould, 1838) >