Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Parazoa
Porifera (Sponges)
Cellularia
Demospongiae (Demosponge)
Heteroscleromorpha
Tetractinellida
Spirophorina

Spirasigmidae (5383742)

Children (2 direct children, 4 direct and indirect children):

Spirasigma (tree size 1)

Tentorina (tree size 1)