organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain eukaryotes see Domain Eukaryota Chatton, 1925 flagellated protists Order Cryptomonadida Senn, 1900 - cryptomonads see Order Cryptomonadales Pascher (1913) Genus Guillardia D.R.A. Hill & R. Wetherbee (1990)