Choroterpes major (Ulmer, 1939) Ulmer, 1939 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Ephemeroptera family Leptophlebiidae genus Choroterpides species Choroterpides major Name Homonyms Choroterpes major (Ulmer, 1939) Ulmer, 1939