Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Streptophyta (Streptophytina)
Embryophyte (Land plants)
Pteridophyta (Pteridophyte)
Lycopodiophyta (Lycophyte)
Lycopodiophytina
Isoetopsida

Lepidodendrales (144837)

Children (5 direct children, 86 direct and indirect children):

Sigillariaceae (tree size 1)
Sigillaria

Diaphorodendraceae

Lepidodendraceae (tree size 79)

Stigmaria

Leptophloeum (tree size 1)