cryptomonads see Order Cryptomonadales Pascher (1913)
   heterotrophic cryptomonads
     Genus Goniomonas F. Stein (1878)
       1 Goniomonas truncata (G. Fresenius, 1858) F.R. von Stein (1878)
       2 Goniomonas amphinema Larsen & Patterson (1990)
       3 Goniomonas pacifica Larsen & Patterson (1990)