Arctocyonidae

plural noun
Arc·​to·​cy·​on·​i·​dae

Definition of Arctocyonidae

: a family of primitive generalized early Tertiary mammals that may belong to the direct ancestral line of the Carnivora

History and Etymology for Arctocyonidae

New Latin, from Arctocyon, type genus (from arct- + Greek kyōn dog) + -idae

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