Reference: L.M. Chiappe, 1996. In G. Arratia (ed.), Contributions of Southern South America to Vertebrate Paleontology. Münchner Geowiss. Abh. (A) 30

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Chiappe, L.M. 1996. Late Cretaceous Birds of Southern South America: Anatomy and Systematics of Enantiornithes and Patagopteryx deferrariisi. In G. Arratia (ed.), Contributions of Southern South America to Vertebrate Paleontology. Münchner Geowiss. Abh. (A) 30, Apr 1996: 203-244, 57 figs., 2 tabs..