Classification of the family Prosogyrotrigoniidae

Fm. †Prosogyrotrigoniidae Kobayashi 1954
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Subfm. †Praegoniinae Fleming 1962
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G. †Agonisca Fleming 1963
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†Agonisca corbiensis Fleming 1963
G. †Praegonia Fleming 1962
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†Praegonia coombsi Fleming 1962
Subfm. †Prosogyrotrigoniinae Kobayashi 1954
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G. †Prosogyrotrigonia Krumbeck 1924
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†Prosogyrotrigonia tenuis Pérez et al. 2008