Related how?

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

Nemastomatales (3023297)

Children (2 direct children, 148 direct and indirect children):

Schizymeniaceae (tree size 71)

Nemastomataceae (tree size 75)