Phialidium hemisphaericum (Gronovius, 1760) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Cnidaria class Hydrozoa order Leptothecata family Campanulariidae genus Clytia species Clytia hemisphaerica Name Homonyms Phialidium hemisphaericum (Linnaeus, 1767) Phialidium hemisphaericum (Gronovius, 1760)