cryptomonads whose IPC is non-plated and whose periplast appears sheet-like under the SEM
   02 Genus Campylomonas D.R.A. Hill (1991)
   03 Genus Cryptochloris J. Schiller (1925)
   04 Genus Cryptomonas Ehrenb. (1831)
   05 Genus Geminigera (Taylor & Lee) D.R.A. Hill (1991)
   06 Genus Hanusia J.A. Deane et al. (1998)
   07 ?Genus Hillea J. Schiller (1925)
   08 Genus Proteomonas D.R.A. Hill & R. Wetherbee (1986)
   09 Genus Storeatula D.R.A. Hill (1991)
   10 Genus Teleaulax D.R.A. Hill (1991)