? hexagonalis Bittner, 1890 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Brachiopoda class Rhynchonellata family Athyrididae Name Homonyms ? hexagonalis Canu & Bassler, 1930 ? hexagonalis Viereck, 1925 ? hexagonalis Zakharov, 1968 ? hexagonalis Leriche, 1905 ? hexagonalis Bittner, 1890