Barrandicellopsis extenuata (Perner, 1903) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda family Archinacellidae genus Barrandicellopsis species Barrandicellopsis extenuata Name Homonyms Barrandicellopsis extenuata (Barrande, 1903) Barrandicellopsis extenuata (Perner, 1903)