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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)
Scutellina
Scutelliformes
Scutellidea (Scutelloidea)

Astriclypeidae (2868525)

Children (7 direct children, 52 direct and indirect children):

Echinodiscus (tree size 20)

Astriclypeus (tree size 9)

Amphiope (tree size 11)

Paraamphiope (tree size 2)

Sculpsitechinus (tree size 3)

Kieria

Tretodiscus