Caecum ryssotitum var. caerulea de Folin, 1867 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Caecidae genus Caecum species Caecum ryssotitum Name Homonyms Caecum ryssotitum var. caerulea de Folin, 1867