Rissoa Auctt Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Rissoidae genus Pusillina Name Homonyms Rissoa Desmarest, 1814 Rissoa Arn. Rissoa Michaelis & Scherk, 1847 Rissoa Fréminville, 1814