Chaoyangsaurus youngi Zhao et al., 1999 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata genus Chaoyangsaurus species Chaoyangsaurus youngi Name Synonyms Chaoyangosaurus liaosiensis Zhao & Cheng, 1983 Chaoyangosaurus youngi Zhao et al., 1999 Chaoyoungosaurus liaosiensis Zhao & Cheng, 1983 Homonyms Chaoyangsaurus youngi Zhao et al., 1999