Palaeozygopleura welleri Thein & Nitecki, 1974 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda family Palaeozygopleuridae genus Palaeozygopleura species Palaeozygopleura welleri Name Homonyms Palaeozygopleura welleri Thein & Nitecki, 1974