? cinerea Vieillot, 1819 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Chordata class Aves order Gruiformes family Rallidae genus Porzana species Porzana cinerea Name Homonyms ? cinerea Raffles, 1822 ? cinerea Bourns & Worcester, 1894 ? cinerea Hudleston, 1882 ? cinerea Brundin, 1896 ? cinerea Chaix