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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)
Secernentea
Spiruria (Spiuria)
Spirurida
Gnathostomatidae

Echinocephalus (18520446)

Children (15 direct children, 15 direct and indirect children):

Echinocephalus pseudouncinatus

Echinocephalus crassostreai

Echinocephalus overstreeti

Echinocephalus spinosissimus

Echinocephalus uncinatus

Echinocephalus sinensis

Echinocephalus daileyi

Echinocephalus janzeni

Echinocephalus multidentatus

Echinocephalus pteroplatea

Echinocephalus scoliodonti

Echinocephalus southwelli

Echinocephalus unispiculus

Echinocephalus mobulae

Echinocephalus striatus