Tethya cranium infrequens Carter, 1876 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Porifera class Demospongiae order Tetractinellida family Tetillidae genus Craniella species Craniella cranium Name Homonyms Tethya cranium infrequens Carter, 1876 Tethya cranium var. infrequens Carter, 1876