Alcyonium Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Animalia phylum Porifera class Demospongiae order Tethyida family Tethyidae genus Tethya Name Homonyms Alcyonium Linnaeus, 1758 Alcyonium W.Hisinger, 1823 Alcyonium Alcyonium Pallas, 1766