Opisthobursa mexicana Benazzi, 1972 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Platyhelminthes order Tricladida family Dimarcusidae genus Opisthobursa species Opisthobursa mexicana Name Synonyms Dimarcus villalobosi Mitchell & Kawakatsu, 1972 Homonyms Opisthobursa mexicana Benazzi, 1972