Patagopterygiformes Explained

Patagopterygiformes is an extinct group of large terrestrial ornithuromorph dinosaurs from the Late Cretaceous of South America. It contains at most three genera: Patagopteryx, Alamitornis^[1] and possibly Kuszholia.^[2]

Notes and References

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. 10.1016/j.jsames.2008.09.003. 2009JSAES..27...42A . 0895-9811. 263598913.
2. Book: The Age of Dinosaurs in Russia and Mongolia. Michael J. Benton. Mikhail A. Shishkin. David M. Unwin. Evgenii N. Kurochkin. Cambridge University Press. 2000. 0-521-55476-4. 552.