the root (no rank)
Eukaryota (domain)
Cryptophyta (class)
Cryptomonadaceae (family)
[hide inferior taxa]
Chilomonas paramecium (species)
Chroomonas (genus)
Cryptomonas (genus)
Guillardia theta (species)
Proteomonas sulcata (species)
Pyrenomonas (genus)
Rhodomonas (genus)