Trochita trochiformis (Gmelin, 1791) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Calyptraeidae genus Sigapatella species Sigapatella aperta Name Homonyms Trochita trochiformis (Gmelin, 1791) Trochita trochiformis (Born, 1778)