Nonnullidens hsui (Peters & Tsui, 1972) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Ephemeroptera family Leptophlebiidae genus Nonnullidens species Nonnullidens hsui Name Homonyms Nonnullidens hsui (Peters & Tsui, 1972)