Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Parazoa
Porifera (Sponges)
Hexactinellid (Hexactinellida)
Hexasterophora
Hexactinosida (Hexactinosa)
Sceptrulophora
Tretodictyidae

Tretocalyx (18228685)

Children (1 direct children, 1 direct and indirect children):

Tretocalyx polae