Petrosia cretacea (Schmidt, 1870) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Porifera class Demospongiae order Haplosclerida family Petrosiidae genus Petrosia species Petrosia cretacea Name Synonyms Cribrochalina cretacea Schmidt, 1870 Xestospongia cretacea (Schmidt, 1870) Homonyms Petrosia cretacea (Schmidt, 1870)