Harrison, C. J. O., and Walker, C. A., 1975, The Bradycnemidae, a new family of owls from the Upper Cretaceous of Romania: Palaeontology, v. 18, p. 563- 570.

Kesler, E., 1984, Lower Cretaceous Birds from Cornet (Roumania), in Reif, W. E., and Westphal, F., eds., Third Symposium on Terrestrial Mesozoic Ecosystems: Tbingen, ATTEMPTO-Verlag, p. 119-121.

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