Cleiothyridina ciriacksi Cooper & Grant, 1976 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Brachiopoda class Rhynchonellata family Athyrididae genus Cleiothyridina species Cleiothyridina ciriacksi Name Homonyms Cleiothyridina ciriacksi Cooper & Grant, 1976