Crassitoniella erratica (May, 1913) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Eatoniellidae genus Crassitoniella species Crassitoniella erratica Name Synonyms Amphithalamus aurantiocinctus May, 1915 Amphithalamus erratica May, 1913 Amphithalimus erratica May, 1913 Homonyms Crassitoniella erratica (May, 1913)