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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)
Panarthropoda
Tactopoda
Arthropoda (Arthropod)
Chelicerata (Chelicerates)
Euchelicerata
Prosomapoda
Merostomata (Horseshoe crabs)
Xiphosura
Xiphosurida
Planaterga
Dekatriata
Sclerophorata
Arachnida (Arachnids)
Dromopoda
Scorpion (Scorpions)
Neoscorpiones
Orthosterni
Iurida

Chactoidea (18328029)

Children (6 direct children, 706 direct and indirect children):

Euscorpiidae (tree size 192)

Chactidae (tree size 227)

Vaejovidae (tree size 251)

Superstitioniidae (tree size 26)

Protoischnuridae (tree size 4)

Superstitionidae