Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Psilophytopsida

Psilophytales (35134940)

Children (2 direct children, 6 direct and indirect children):

Psilophytaceae (tree size 1)

Trimerophytaceae (tree size 3)