Gastrioceras jacksoni (Etheridge, 1907) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda order Goniatitida family Metalegoceratidae genus Juresanites species Juresanites jacksoni Name Homonyms Gastrioceras jacksoni (Etheridge, 1907)