Thecadinium kofoidii (Herdman) Schiller, 1931 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Myzozoa class Dinophyceae order Peridiniales family Oxytoxaceae genus Thecadinium species Thecadinium kofoidii Name Synonyms Amphidinium kofoidii var. petasarum Herdman, 1922 Amphidinium sulcatum Herdman Phalacroma kofoidii Herdman, 1922 Thecadinium kofoidii (Herdman) J.Larsen, 1985 Homonyms Thecadinium kofoidii (Herdman) Schiller, 1931 Thecadinium kofoidii (Herdman) J.Larsen, 1985