kingdom: Animalia >
phylum: Chordata >
subphylum: Vertebrata >
infraphylum: Gnathostomata >
parvphylum: Osteichthyes >
megaclass: Tetrapoda >
class: Aves >
order: Passeriformes >
family: Furnariidae >
genus: Aphrastura Oberholser, 1899 >
species: Aphrastura spinicauda (Gmelin, 1789) >