? mammillata Nicholson, 1873 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Porifera family Stictostromatidae Name Homonyms ? mammillata Bretnall, 1926 ? mammillata Nicholson, 1873 ? mammillata Walcott, 1920 ? mammillata Guembel, 1861 ? mammillata Linnaeus, 1758