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
Irregularia
Atelostomata
Spatangoida
Paleopneustina
Periasteridae

Periaster (22998307)

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

Periaster ciryi

Periaster inconstans

Periaster kuhni

Periaster maugerii

Periaster subsexangulatus

Periaster zinai