Related how?

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 (3356801)

Children (8 direct children, 2892 direct and indirect children):

Buthida (tree size 1372)

Iurida (tree size 1437)

Palaeopisthacanthidae (tree size 3)

Archaeobuthidae (tree size 2)

Pseudochactida (tree size 16)

Chaerilida (tree size 54)

Vaejovoidea

Belisariidae