Hemigellius calyx (Ridley & Dendy, 1886) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Porifera class Demospongiae order Haplosclerida family Niphatidae genus Hemigellius species Hemigellius calyx Name Synonyms Calyxadocia calyx (Ridley & Dendy, 1886) Gellius calyx Ridley & Dendy, 1886 Haliclona calyx (Ridley & Dendy, 1886) Homonyms Hemigellius calyx (Ridley & Dendy, 1886)