Allogona townsendiana frustrationis Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Polygyridae genus Allogona species Allogona townsendiana Name Homonyms Allogona townsendiana frustrationis Allogona townsendiana f. frustrationis Pilsbry, 1940