Megastomia simplex (Angas, 1871) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda family Pyramidellidae genus Megastomia species Megastomia simplex Name Synonyms Acteon simplex (Lea, 1843) Agatha simplex (Angas, 1871) Odostomia simplex Angas, 1871 Homonyms Megastomia simplex (Angas, 1871)