Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Sea urchin (Echinoidea)
Euechinoidea
Carinacea
Hemicidaridae

Pseudocidarinae (16671499)

Children (3 direct children, 32 direct and indirect children):

Pseudocidaris (tree size 26)

Cherreauma (tree size 1)

Cidaropsis (tree size 2)