Acrosphaera cyrtodon (Haeckel) Strelkov & Reshetnyak, 1971 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista class Polycystina order Nassellaria family Collozoidae genus Acrosphaera species Acrosphaera cyrtodon Name Homonyms Acrosphaera cyrtodon (Haeckel) Strelkov & Reshetnyak, 1971