Sphacelaria filicina (Grateloup) C.Agardh Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Sphacelariales family Stypocaulaceae genus Halopteris species Halopteris filicina Name Homonyms Sphacelaria filicina (Grateloup) C.Agardh