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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 (18668395)

Children (6 direct children, 238 direct and indirect children):

Scutellidea (tree size 212)
Scutelloidea

Taiwanasteridae (tree size 2)

Protoscutellidae (tree size 12)

Eoscutellidae (tree size 2)

Scutelloidea

Placatenellidae (tree size 4)