Alvania herwigia (Castellanos & D.E.Fernández, 1974) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Rissoidae genus Alvania species Alvania herwigia Name Synonyms Rissoa herwigia Castellanos & D.E.Fernández, 1974 Homonyms Alvania herwigia (Castellanos & D.E.Fernández, 1974)