Cystiscus nigrocrocea (Barnard, 1969) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Neogastropoda family Cystiscidae genus Plesiocystiscus species Plesiocystiscus aphanospira Name Homonyms Cystiscus nigrocrocea (Barnard, 1969)