| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Craspedophyceae | 0 | 0 | 3 |
| Crucigenia quadrata | 0 | 0 | 2 |
| Lemmermannia tetrapedia | 0 | 0 | 2 |
| Crucigeniella apiculata | 0 | 0 | 2 |
| Willea rectangularis | 0 | 0 | 2 |
| Cryothecomonas Thomsen Buck, Bolt & Garrison 1991 | 0 | 0 | 2 |
| Cryothecomonas scybalophora | 0 | 0 | 2 |
| Cryptaulax Skuja 1948 | 0 | 0 | 2 |
| Cryptaulax marina | 0 | 0 | 2 |
| Cryptomonadales | 0 | 0 | 2 |
| Cryptomonas Ehrenberg 1831 | 0 | 0 | 3 |
| Cryptomonas curvata | 0 | 0 | 2 |
| Cryptomonas erosa | 0 | 0 | 2 |
| Cryptomonas marssonii | 0 | 0 | 2 |
| Cryptomonas obovata | 0 | 0 | 2 |
