Eukaryota  >  Centroplasthelida  >  Pterocystida

Genus	Species
Cernunnos	1
Chlamydaster	2
Choanocystis	7
Clypifer	1
Heterophrys	3
Khitsovia	1
Oxnerella	3
Polyplacocystis	1
Pseudoraphidiophrys	1
Pterocystis	14
Quendis	6
Raineriophrys	3
Raphidiophrys	4
Sphaerastrum	1
Tellocystis	2
Triangulopteris	1