Ulnaria F.T.Kutzing, 1844 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Fragilariales family Fragilariaceae genus Ulnaria Name Homonyms Ulnaria (Kützing) P.Compère, 2001 Ulnaria Ulnaria F.T.Kutzing, 1844