Isocrinus californicus Clark & Twitchell, 1915 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Echinodermata class Crinoidea order Isocrinida family Isocrinidae genus Isocrinus species Isocrinus californicus Name Homonyms Isocrinus californicus Clark & Twitchell, 1915