Ptilocaulis arbora (Sim, Kim & Byeon, 1990) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Porifera class Demospongiae order Bubarida family Dictyonellidae genus Phakettia species Phakettia arbora Name Homonyms Ptilocaulis arbora (Sim, Kim & Byeon, 1990)