Diadema Reichenbach, 1863 Dataset GBIF Backbone Taxonomy Rank GENUS Published in Vollständ. Naturgesch. Affen, 107 (as Diademia; also as Diadema). Classification kingdom Animalia phylum Chordata class Aves genus Diadema Name Homonyms Diadema Gray, 1825 Diadema Schumacher, 1817 Diadema Pease, 1868 Diadema Boisduval, 1832 Diadema K.-D.Kemp & T.B.B.Paddock, 1989 Diadema Diadema Doubleday, 1848