Petalocrinus bifidus Fearnhead & Donovan, 2006 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Echinodermata class Crinoidea family Petalocrinidae genus Petalocrinus species Petalocrinus bifidus Name Homonyms Petalocrinus bifidus Fearnhead & Donovan, 2006