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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)
Spiralia (Spiralians)
Lophotrochozoa
Platyzoa
Acanthocephala (Acanthocephalans)
Palaeacanthocephala
Echinorhynchida
Fessisentidae

Fessisentis (18194762)

Children (5 direct children, 5 direct and indirect children):

Fessisentis vancleavei

Fessisentis friedi

Fessisentis necturorum

Fessisentis fessus

Fessisentis tichiganensis