Rissoina scalariformis C.B.Adams, 1852 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Rissoinidae genus Rissoina species Rissoina scalariformis Name Homonyms Rissoina scalariformis R.B.Watson, 1886 Rissoina scalariformis C.B.Adams, 1852 Rissoina scalariformis R.B.Watson, 1886