Pinnularia ludloviana (Schmidt) Pantocsek, 1913 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Naviculaceae genus Navicula species Navicula ludloviana Name Homonyms Pinnularia ludloviana (Schmidt) Pantocsek, 1913