Animalia | Chordata | Aves | Pelecaniformes | Threskiornithidae | Plegadis
Biota | Animalia | Chordata | Vertebrata | Gnathostomata | Tetrapoda | Reptilia | Aves | Ciconiiformes | Threskiornithidae | Plegadis | Plegadis chihi
|  | Haeckel, 1874 |  | von Zittel, 1879 |  | Laurenti, 1768 |  |  | Richmond, 1917 | Kaup, 1829 | (Vieillot, 1817)