Ephemerella spinosa Mayo, 1951 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Ephemeroptera family Ephemerellidae genus Caudatella species Caudatella hystrix Name Homonyms Ephemerella spinosa Mayo, 1951 Ephemerella spinosa Ikonomov, 1961