Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Parazoa
Porifera (Sponges)
Heteractinida

Octactinellida (19318156)

Children (4 direct children, 6 direct and indirect children):

Eiffelidae (tree size 2)
Eiffeliidae

Astraeospongiidae

Wewokellidae

Nuchidae