Related how?

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

Calcarea (209924)

Children (6 direct children, 1162 direct and indirect children):

Calcinea (tree size 374)

Calcaronea (tree size 766)

Pharetronida (tree size 14)

Gaspespongia

Cystothalamiidae

Consobrinomiidae (tree size 2)