Rhachis L.Pfeiffer, 1856 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Cerastidae genus Rachis Name Homonyms Rhachis Cook, 1896 Rhachis Pfeiffer, 1856 Rhachis De Saussure, 1859 Rhachis Connolly, 1925