Prorodon ovum (Ehrenberg, 1831) Kahl, 1931 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ciliophora class Prostomatea order Prostomatida family Prorodontidae genus Prorodon species Prorodon ovum Name Synonyms Holophrya discolor Ehrenberg, 1834 Urotricha hexatricha Savi, 1913 Homonyms Prorodon ovum Prorodon ovum (Ehrenberg, 1831) Kahl, 1931