plural noun Cy·prin·o·don·ti·dae \-ˈdäntəˌdē\

Definition of Cyprinodontidae

  1. :  a large family (order Microcyprini) of small scaly-headed soft-finned fishes that feed on water plants and insects and include the typical killifishes of the northern hemisphere

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Origin and Etymology of cyprinodontidae

New Latin, from Cyprinodont- Cyprinodon, type genus + -idae

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