Drepanella halli melvillensis Teichert, 1937 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Arthropoda class Ostracoda order Palaeocopida family Drepanellidae genus Drepanella species Drepanella halli Name Homonyms Drepanella halli melvillensis Teichert, 1937