Didemnum vexillum Romanov, 1989 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Ascidiacea order Aplousobranchia family Didemnidae genus Didemnum species Didemnum vexillum Name Homonyms Didemnum vexillum Romanov, 1989 Didemnum vexillum Kott, 2002