Oklahomacystis tribrachiatus (Bassler, 1943) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Echinodermata family Amygdalocystitidae genus Oklahomacystis species Amygdalocystites tribrachiatus Name Homonyms Oklahomacystis tribrachiatus (Bassler, 1943)