Parabolina argentina (Barrande, 1868) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Ptychopariida family Olenidae genus Parabolina species Olenus argentinus Name Homonyms Parabolina argentina (Kayser, 1876) Parabolina argentina (Barrande, 1868)