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)
Cycloneuralia
Nematoida (Nematoidea)
Nematoda (Roundworm)
Adenophorea (Aphasmidia)
Chromadoria
Rhabditida
Strongylida
Diaphanocephaloidea
Diaphanocephalidae
Children (3 direct children, 3 direct and indirect children):
Kalicephalus colubri
Kalicephalus vallei
Kalicephalus viperae