Chelychelynechen quassus Olson & James, 1991 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Aves order Anseriformes family Anatidae genus Chelychelynechen species Chelychelynechen quassus Name Homonyms Chelychelynechen quassus Olson & James, 1991