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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 (1071960)

English name: sand dollars

Children (10 direct children, 968 direct and indirect children):

Arachnoididae (tree size 6)

Scutellina (tree size 590)

Clypeasterina (tree size 196)

Faujasiidae (tree size 87)

Rotulina (tree size 12)

Laganina (tree size 1)

Conoclypeidae (tree size 14)
Conoclypidae

Oligopygidae (tree size 42)

Plesiolampadidae (tree size 8)

Iheringiellidae (tree size 2)