Trinacria Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Biddulphiales family Biddulphiaceae genus Trinacria Name Homonyms Trinacria Mayer, 1868 Trinacria T.L.Casey, 1922 Trinacria O.Boettger, 1877 Trinacria P.A.C.Heiberg, 1863