Mitra retractilis Claparède & Lachmann, 1858 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ciliophora class Hypotrichea order Urostylida family Rigidothrichidae genus Uroleptus species Uroleptus retractilis Name Homonyms Mitra retractilis Claparède & Lachmann, 1858