Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Biliphyta
Rhodophyta (Red algae)
Rhodophytina
Compsopogonophyceae
Erythropeltidales (Erythropeltales (spelling variation?))

Erythrotrichiaceae (5396520)

Children (9 direct children, 86 direct and indirect children):

Erythrotrichia (tree size 39)

Porphyrostromium (tree size 6)

Sahlingia (tree size 10)

Chlidophyllon (tree size 1)

Erythrocladia (tree size 11)

Erythropeltis (tree size 3)

Smithora (tree size 1)

Porphyropsis (tree size 4)

Pyrophyllon (tree size 2)