Pyxidicula Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Coscinodiscales family Coscinodiscaceae genus Pyxidicula Name Homonyms Pyxidicula N.I.Strelnikova & V.A.Nikolaev, 1986 Pyxidicula Pyxidicula C.G.Ehrenberg, 1834