Cylichna sulcata R.B.Watson, 1883 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Cephalaspidea family Retusidae genus Retusa species Retusa sulcata Name Homonyms Cylichna sulcata R.B.Watson, 1883 Cylichna sulcata R.B.Watson, 1883