Massartia asymmetrica Schiller, 1933 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Myzozoa class Dinophyceae order Gymnodiniales family Tovelliaceae genus Katodinium species Katodinium asymmetricum Name Homonyms Massartia asymmetrica N.Carter, 1937 Massartia asymmetrica Schiller, 1933