Tukeit Hill frog
Austin, J. D.; Lougheed, S. C.; Tanner, K; Chek, A. A.; Bogart, J. P. & Boag, P. T. (2002): A molecular perspective on the evolutionary affinities of an enigmatic neotropical frog, Allophryne ruthveni. Zool. J. Linn. Soc. 134(3): 335–346. PDF fulltext