Hydroclathrus sinuosus (Roth) Zanardini Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Scytosiphonales family Scytosiphonaceae genus Colpomenia species Colpomenia sinuosa Name Homonyms Hydroclathrus sinuosus (Roth) Zanardini Hydroclathrus sinuosus (Mertens)