Classification of Hahn 1971
Superfm. †Plagiaulacoidea Ameghino 1889
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Fm. †Paulchoffatiidae Hahn 1969
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Subfm. †Kuehneodontinae Hahn 1971
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Subfm. †Paulchoffatiinae Hahn 1971
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Fm. †Plagiaulacidae Gill 1872
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G. †Plagiaulax Falconer 1857
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†Plagiaulax becklesii Falconer 1857
†Plagiaulax dawsoni Woodward 1891