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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)
Enoplea
Dorylaimia
Trichocephalida
Cystoopsidae

Cystoopsis (18520946)

Children (4 direct children, 4 direct and indirect children):

Cystoopsis acipenseri

Cystoopsis acipenseris

Cystoopsis atractostei

Cystoopsis scomber