Spongia plana Hyatt, 1877 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Porifera class Demospongiae order Dictyoceratida family Spongiidae genus Spongia species Spongia obscura Name Homonyms Spongia plana Hyatt, 1877 Spongia plana Mueller, 1776