Antithamnion preissii (Sonder) De Toni, 1903 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Ceramiaceae genus Acrothamnion species Acrothamnion preissii Name Homonyms Antithamnion preissii (Sonder) De Toni, 1903