Stephanopyxis turris var. turris Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Melosirales family Stephanopyxidaceae genus Stephanopyxis species Stephanopyxis turris Name Homonyms Stephanopyxis turris var. turris Stephanopyxis turris f. turris