Eukaryota  >  Centroplasthelida  >  Pterocystida

Genus	Species
Cernunnos	1
Chlamydaster	2
Choanocystis	8
Clypifer	1
Heterophrys	3
Khitsovia	1
Oxnerella	2
Polyplacocystis	1
Pterocystis	14
Raineriophrys	3
Raphidiophrys	4
Sphaerastrum	1
Triangulopteris	1