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)
Secernentea
Spiruria (Spiuria)
Spirurida
Spirocercidae
Streptopharagus (21221415)
Children (2 direct children, 2 direct and indirect children):
Streptopharagus pigmentatus
Streptopharagus kutassi