Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Hacrobia
Cryptophyta (Cryptomonad)
Cryptophyceae (The cryptomonad class)

Cryptomonadales (5190992)

Children (6 direct children, 161 direct and indirect children):

Zooxanthellaceae

Hemiselmidaceae (tree size 22)

Cryptomonadaceae (tree size 105)

Campylomonadaceae (tree size 8)

Hilleaceae (tree size 11)

Cyathomonadaceae (tree size 9)