Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Xenacoelomorpha
Subphylum: Acoelomorpha
Classis: Acoela
Familia: Antigonariidae
Genera: Antigonaria
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