Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Coelenterata
Cnidaria (Cnidarians)
Anthozoa
Hexacorallia
Scleractinia (Stony corals)
Poritidae

Calathiscus (21227982)

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

Calathiscus tantillus

Calathiscus puiggarii