Diopatra californica Treadwell, 1937 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Annelida class Polychaeta order Eunicida family Onuphidae genus Diopatra species Diopatra splendidissima Name Homonyms Diopatra californica Moore, 1904 Diopatra californica Treadwell, 1937