Kingdom Protista (Haeckel, 1866) - protists Division Chrysophyta see Phylum Chrysophyta Pascher (1914) Class Coccolithophyceae Rothm. (1951) Genus †Chiasmolithus W.W. Hay, H. Mohler & M. Wade (1966) †Chiasmolithus danicus †Chiasmolithus gigas †Chiasmolithus oamaruensis