Classification of the subfamily Eogastrophinae
Subfm. †Eogastrophinae Jerzmanska 1968
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G. †Hipposyngnathus Danil'chenko 1960
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†Hipposyngnathus convexus Danil'chenko 1960
†Hipposyngnathus imporcitor Fritzsche 1980
†Hipposyngnathus neriticus Jerzmanska 1968