Search for family Ptychoceratodontidae returned 15 results.
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genus: Ptychoceratodus
Kingdom: Animalia
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species: Ptychoceratodus gracilis
Kingdom: Animalia
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species: Ceratodus serratus
Kingdom: Animalia
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species: Ceratodus virapa
Kingdom: Animalia
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species: Ptychoceratodus roemeri
Kingdom: Animalia
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species: Ptychoceratodus wichmanni
Kingdom: Animalia
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species: Ceratodus donensis
Kingdom: Animalia
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species: Ceratodus acutus
Kingdom: Animalia
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species: Ceratodus rectangulus
Kingdom: Animalia
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species: Ceratodus ornatus
Kingdom: Animalia