? tridens Calvet, 1909 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Bryozoa class Gymnolaemata order Cheilostomatida family Exochellidae genus Escharoides species Escharoides tridens Name Homonyms ? tridens Kner, 1848 ? tridens Sandberger & Sandberger, 1850 ? tridens Rothpletz, 1892