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