Crepidula acuta Say, 1822 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Calyptraeidae genus Crepidula species Crepidula acuta Name Homonyms Crepidula acuta Say, 1822 Crepidula acuta H.C.Lea, 1842