Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Biliphyta
Rhodophyta (Red algae)
Eurhodophytina
Florideophyceae (Florideae)
Rhodymeniophycidae

Halymeniales (3126286)

Children (2 direct children, 578 direct and indirect children):

Halymeniaceae (tree size 565)

Tsengiaceae (tree size 11)