? glabrum Clarke & Swartz, 1913 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Gastropoda family Palaeozygopleuridae Name Homonyms ? glabrum Whiteaves, 1889 ? glabrum Y.V.Roll ? glabrum Barber, 1957 ? glabrum Clarke & Swartz, 1913 ? glabrum Sobolew, 1914 ? glabrum Nábelek ? glabrum Yu et al., 2014 ? glabrum C.Presl