Distoma varicum (Müller, 1784) Zeder, 1803 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Platyhelminthes class Trematoda order Plagiorchiida family Derogenidae genus Derogenes species Derogenes varicus Name Homonyms Distoma varicum (Muller, 1784) Zeder, 1803