Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Chlorophyta (Chlorophytes)
Prasinophytina
Mamiellophyceae
Mamiellales

Bathycoccaceae (20947132)

Children (2 direct children, 5 direct and indirect children):

Ostreococcus (tree size 2)

Bathycoccus (tree size 1)