Biota (Life)
Eukaryote (Eukarya)
Chromista
Hacrobia
Cryptophyta (Cryptomonad)
Cryptophyceae (The cryptomonad class)
Pyrenomonadales
Pyrenomonadaceae
Children (2 direct children, 2 direct and indirect children):
Pyrenomonas ovalis
Pyrenomonas helgolandii