Theropleura grandis (Case, 1907) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Sphenacodontidae genus Dimetrodon species Theropleura grandis Name Synonyms Dimetrodon grandis (Case, 1907) Dimetrodon maximus Romer, 1936 Homonyms Theropleura grandis (Case, 1907)