Stentor coeruleus (Pallas, 1766) Ehr, 1830 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Protozoa phylum Ciliophora class Heterotrichea order Heterotrichida family Stentoridae genus Stentor species Stentor coeruleus Name Homonyms Stentor coeruleus (Pallas, 1766) Ehr, 1830