Ophryoglena atra Lieb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ciliophora class Oligohymenophorea order Hymenostomatida family Ophryoglenidae genus Ophryoglena species Ophryoglena atra Name Homonyms Ophryoglena atra Lieb. Ophryoglena atra Ehrenberg, 1834