? oblongata Worsley, 1971 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Chromista phylum Haptophyta class Prymnesiophyceae order Eiffellithales family Rhagodiscaceae Name Homonyms ? oblongata Cooper & Grant, 1969 ? oblongata Worsley, 1971 ? oblongata Haw.