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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
Platyhelminthes (Flatworms)
Trematoda (Fluke)
Digenea (Parasitic flatworms)
Opisthorchiida
Opisthorchiata
Cryptogonimidae

Retrovarium (61484745)

Children (13 direct children, 13 direct and indirect children):

Retrovarium gardneri

Retrovarium brooksi

Retrovarium sablae

Retrovarium mariae

Retrovarium planum

Retrovarium amplorificium

Retrovarium snyderi

Retrovarium formosum

Retrovarium exiguiformosum

Retrovarium valdeparvum

Retrovarium manteri

Retrovarium saccatum

Retrovarium sphericum