= Larus serranus Tschudi, 1844
kingdom: Animalia >
phylum: Chordata >
subphylum: Vertebrata >
infraphylum: Gnathostomata >
parvphylum: Osteichthyes >
megaclass: Tetrapoda >
class: Aves >
order: Charadriiformes >
family: Laridae >
genus: Chroicocephalus Eyton, 1836 >
South America