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

Definition of Cyprinodontidae

: 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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History and Etymology for Cyprinodontidae

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

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