Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Coelenterata
Cnidaria (Cnidarians)
Anthozoa
Hexacorallia
Rugosa (Tetracorallia)
Cystiphyllida

Digonophyllidae (33134522)

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

Zonophyllinae

Digonophyllinae