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)
Pycnogonida (Sea spiders)
Pantopoda

Eupantopodida (20011934)

Children (5 direct children, 1308 direct and indirect children):

Colossendeidoidea (tree size 161)

Nymphonoidea (tree size 774)

Phoxichilidoidea (tree size 255)

Pycnogonoidea (tree size 91)

Rhynchothoracoidea (tree size 22)