Gigantspinosaurus sichuanensis Ouyang, 1992 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Stegosauridae genus Gigantspinosaurus species Gigantspinosaurus sichuanensis Name Synonyms Gigantospinosaurus sichuanensis Ouyang, 1992 Gigantospinus sichuanensis Ouyang, 1992 Homonyms Gigantspinosaurus sichuanensis Ouyang, 1992