Polypodiisporites speciosus Khan & Martin, 1971 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales genus Polypodiisporites species Polypodiisporites speciosus Name Homonyms Polypodiisporites speciosus Sah & Dutta, 1968