Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Parazoa
Porifera (Sponges)
Calcarea (Calcareous sponge)
Calcaronea
Lithonida (Minchinellidae)
Minchinellidae

Petrostroma (18520279)

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

Petrostroma schulzei