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
Phoxichilidoidea (20012991)
Children (2 direct children, 255 direct and indirect children):
Phoxichilidiidae
(tree size 218)
Endeidae
(tree size 35)