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Helicoprionidae

Les Helicoprionidae (ou Agassizodontididae) sont une famille éteinte d'Holocéphales appartenant à l'ordre des Eugeneodontida ayant vécu du Carbonifère au Trias.

Description

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Ils sont connus pour leur mâchoire inférieure en forme de scie circulaire. Une autre famille appartenant au même ordre des Eugeneodontida possède également des mâchoires de forme étrange : les Edestidae.

Les Genres sont :

Notes et références

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Références taxinomiques

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Helicoprionidae
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