Caecum crebricinctum barkleyense Bartsch, 1920 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Caecidae genus Caecum species Caecum crebricinctum Name Homonyms Caecum crebricinctum barkleyense Bartsch, 1920