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Animalia
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Nematoda
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Secernentea
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Spirurida
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Physalopteridae
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Abbreviata
Bulbocephalus
Heliconema
Paraleptus
Physaloptera
Physalopteroides
Proleptus
Pseudabbreviata
Pseudophysaloptera
Skrjabinoptera
Thubunaea
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Abbreviata