? trochleare L.Pfeiffer, 1852 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Annulariidae genus Gouldipoma species Gouldipoma trochleare Name Homonyms ? trochleare Hisinger, 1831 ? trochleare L.Pfeiffer, 1852