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
Pseudoscorpion (Pseudoscorpions)
Epiocheirata
Chthonioidea
Chthoniidae
Pseudotyrannochthoniinae
Allochthonius
Allochthonius opticus (10405810)
Children (3 direct children, 3 direct and indirect children):
Allochthonius opticus coreanus
Allochthonius opticus opticus
Allochthonius opticus troglophilus