Sphaerococcus pinnatifidus (Hudson) Stackh., 1797 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Rhodomelaceae genus Laurencia species Osmundea pinnatifida Name Homonyms Sphaerococcus pinnatifidus (Hudson) Stackh., 1797