Ceratodictyon spongiosum Zanardini Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Rhodymeniales family Lomentariaceae genus Ceratodictyon species Ceratodictyon spongiosum Name Synonyms Ceratodictyon sponiosum Zanardini Marchesettia spongioides Hauck, 1882 Homonyms Ceratodictyon spongiosum Zanardini