Tetradella grewingkii (Bock, 1867) Oepik, 1935 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Ostracoda order Palaeocopida family Ctenonotellidae genus Piretopsis species Piretopsis grewingkii Name Homonyms Tetradella grewingkii (Bock, 1867) Oepik, 1935