Cystispongia monostoma Schrammen, 1912 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Porifera class Hexactinellida order Sceptrulophora family Cystispongiidae genus Cystispongia species Cystispongia monostoma Name Homonyms Cystispongia monostoma Schrammen, 1912