Gomphogramma rupestris (Kützing) Braun Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Tabellariales family Tabellariaceae genus Tetracyclus species Tetracyclus rupestris Name Homonyms Gomphogramma rupestris (Kützing) Braun ex Rabenhorst, 1853 Gomphogramma rupestris (Kützing) Braun