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)
Branchioscorpionina
Holosternina

Eoctonoidea (20018711)

Children (5 direct children, 9 direct and indirect children):

Allobuthiscorpiidae

Anthracoscorpionidae (tree size 1)

Garnettiidae

Buthiscorpiidae (tree size 1)

Eoctonidae (tree size 2)