Cygnus melancoryphus, Taxa Only, Exact Match: 2 Treatments

Cygnus melancoryphus			Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L., 2021, An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile, Zootaxa 5077 (1), pp. 1-151 : 117	117
Cygnus melancoryphus			Coria, Oscar R., Quiroga, Oscar B., Navarro, José L., Heredia, Javier, Torres, Ricardo & Lima, Javier, 2021, Lista actualizada de las aves de Santiago del Estero, Argentina, Acta Zoológica Lilloana 65 (1), pp. 42-143 : 52	52