Patagopterygiformes is a group of extinct large Cretaceous terrestrial birds from South America. It contains at most three genera: Patagopteryx, Alamitornis[1] and Kuszholia.[2]

Temporal range: Late Cretaceous
~85–70 Ma
Skeleton restoration of Patagopteryx deferrariisi
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Clade: Euornithes
Clade: Patagopterygiformes
Alvarenga & Bonaparte 1992


  1. Federico L. Agnolin and Agustín G. Martinelli (2009). "Fossil birds from the Late Cretaceous Los Alamitos Formation, Río Negro Province, Argentina". Journal of South American Earth Sciences. Elsevier. 27 (1): 42–49. doi:10.1016/j.jsames.2008.09.003. ISSN 0895-9811. OCLC 263598913.
  2. Michael J. Benton; Mikhail A. Shishkin; David M. Unwin; Evgenii N. Kurochkin, eds. (2000). The Age of Dinosaurs in Russia and Mongolia. Cambridge University Press. p. 552. ISBN 0-521-55476-4.

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