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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
Echinacea (Echinacea (animal))

Salenioida (3469707)

Children (6 direct children, 182 direct and indirect children):

Saleniidae (tree size 114)

Acrosaleniidae (tree size 44)

Pseudosaleniidae

Hyposaleniidae (tree size 15)

Goniophoridae (tree size 3)

Wrightechinus