Phacus pyrum (Ehrenberg) W.Archer, 1871 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Protozoa phylum Euglenozoa class Euglenoidea order Euglenida family Euglenaceae genus Monomorphina species Monomorphina pyrum Name Homonyms Phacus pyrum (Ehrenb.) F.Stein Phacus pyrum (Ehrenberg) W.Archer, 1871