Seirospora sphaerospora Feldmann, 1935 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Callithamniaceae genus Seirospora species Seirospora sphaerospora Name Homonyms Seirospora sphaerospora Feldmann, 1935