Derasmosaurus pietrarojae Barbera & Macuglia, 1988 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Sphenodontia family Sphenodontidae genus Derasmosaurus species Derasmosaurus pietrarojae Name Homonyms Derasmosaurus pietrarojae Barbera & Macuglia, 1988