Sertularia gracilis Hassall, 1848 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Cnidaria class Hydrozoa order Leptothecata family Sertulariidae genus Sertularia species Sertularia gracilis Name Homonyms Sertularia gracilis Hincks, 1861 Sertularia gracilis Allman, 1888 Sertularia gracilis Hassal, 1848