Frontonia macrostoma Srámek-Husek, 1957 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ciliophora class Oligohymenophorea order Hymenostomatida family Frontoniidae genus Frontonia species Frontonia macrostoma Name Homonyms Frontonia macrostoma Srámek-Husek, 1957 Frontonia macrostoma Dragesco, 1960