Sapeornis chaoyangensis Zhou & Zhang, 2002 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Aves family Omnivoropterygidae genus Sapeornis species Sapeornis chaoyangensis Name Synonyms Didactylornis jii Yuan, 2008 Sapeornis angustis Zhou & Zhang, 2009 Shenshiornis primita Hu et al., 2010 Homonyms Sapeornis chaoyangensis Zhou & Zhang, 2002