Kingdom Protista (Haeckel, 1866) - protists Division Chrysophyta see Phylum Chrysophyta Pascher (1914) Class Coccolithophyceae Rothm. (1951) Genus †Discoaster Tan, 1927 †Discoaster araneus †Discoaster asymmetricus †Discoaster berggrenii †Discoaster lodoensis †Discoaster loeblichi †Discoaster nobilis †Discoaster siapanensis †Discoaster sublodoensis