Sphaerococcus cristatus C.Agardh, 1817 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gigartinales family Kallymeniaceae genus Euthora species Euthora cristata Name Homonyms Sphaerococcus cristatus C.Agardh, 1817