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
Gnathostomata (Gnathostomata (echinoid))
Clypeasteroida (Sand dollars)
Clypeasterina

Scutellinoididae (22575437)

Children (4 direct children, 7 direct and indirect children):

Philipaster

Prowillungaster (tree size 2)

Scutellinoides

Willungaster (tree size 1)