After McKenna & Bell, 1997

Trogontherium Fischer de Waldheim, 1809
        Trongotherium Pigeon, 1827 (lapsus calami)
        Diabronticus Pomel, 1848 (non Diabrotca Chavrolat, 1834, a beetle)
        Diabroticus Lydekker, 1891 (lapsus calami)
      including:
        Conodontes Laugel, 1862
        Euroxenomys Samson & Radulesco, 1973

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