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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Ecdysozoa (Ecdysozoan)
Cycloneuralia
Nematoida (Nematoidea)
Nematoda (Roundworm)
Adenophorea (Aphasmidia)
Chromadoria
Rhabditida

Spirurina (19966808)

Children (8 direct children, 252 direct and indirect children):

Acuarioidea

Ascaridomorpha (tree size 54)

Aproctoidea (tree size 22)

Gnathostomatoidea

Physalopteroidea

Oxyuridomorpha

Rhigonematomorpha (tree size 13)

Spiruromorpha (tree size 155)