plural noun Mi·ac·i·dae \mīˈasəˌdē\

Definition of Miacidae

  1. :  a family of primitive generalized carnivorous mammals widely distributed from the Palaeocene through the lower Oligocene, sometimes classed with the creodonts, but probably being early ancestral types of the Fissipeda

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Origin and Etymology of miacidae

New Latin, from Miacis, type genus + -idae

Seen and Heard

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a brief usually trivial fact

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