"chrysophytes" see [unranked] core chrysophytes
   Class Chrysophyceae Fritsch (1927)
     Order Chromulinales Pascher, 1910b
       Family Chromulinaceae Engl. (1897), nom. cons.
         Genus Mucosphaera A.J. Dop & A.P. van Beem, in A.J. Dop (1980)