kingdom: Animalia >
phylum: Chordata >
subphylum: Vertebrata >
infraphylum: Gnathostomata >
parvphylum: Osteichthyes >
megaclass: Tetrapoda >
class: Aves >
order: Passeriformes >
family: Tyrannidae >
genus: Knipolegus F. Boie, 1826 >
species: Knipolegus nigerrimus (Vieillot, 1818) >
South America