Atelopus lynchi, also known as Lynch's stubfoot toad or Lynch's harlequin frog, is a species of toad in the family Bufonidae. It occurs in northern Ecuador (Carchi) and in southern Colombia (Nariño, Cauca, and possibly Valle del Cauca Department, the last one is in doubt). It occurs on the Pacific slope of the Cordillera Occidental, as the westernmost ranges of the Andes are known in both Colombia and in Ecuador. Prior to its description, it was confused with Atelopus longirostris.

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