? fusca Ridley, 1884 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Porifera class Demospongiae order Dictyoceratida family Thorectidae genus Hyrtios species Hyrtios erecta Name Homonyms ? fusca Blyth, 1851 ? fusca Sowerby, 1832 ? fusca Petrunkevitch, 1942 ? fusca Oustalet, 1870 ? fusca Peck