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

Euretidae (4143396)

Children (4 direct children, 111 direct and indirect children):

Chonelasmatinae (tree size 42)

Euretinae (tree size 65)

Polythyridinae

Pseudobecksiinae