The following generic and subgeneric names with usage indicated are valid: Ancylodon Illiger - cetacean; Macrodon Schinz - sciaenid fish; Hoplias Gill - characid fish; Macrodus Gray - carnivore; Grammatodon (Grammatodon) Meek & Hayden, Parallelodon (Parallelodon) Meek & Worthen, P. (Cosmetodon) - Jurassic lamellibranchs; and Maillieuxia Cossmann - Devonian lamellibranch. The name Beushausenia is preoccupied and unavailable for lamellibranchs.

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