Callicephalus Agassiz, 1846 Dataset GBIF Backbone Taxonomy Rank GENUS Published in Nom. Zool. Index Univ., 58 Classification kingdom Animalia phylum Chordata class Aves order Psittaciformes family Psittacidae genus Callocephalon Name Homonyms Callicephalus C.A.Mey. Callicephalus Agassiz, 1846