Ptychoceratodus virapa (Oldham, 1859) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Dipneusti order Ceratodontiformes family Ptychoceratodontidae genus Ptychoceratodus species Ceratodus virapa Name Homonyms Ptychoceratodus virapa (Oldham, 1859)