Phylum Chordata | Rank Order | |
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Similar Anatalavis, Cypselomorphae, Aepypodius, Mirandornithes, Talegalla | ||
Patagopterygiformes is a group of large Mesozoic ground birds from South America. It contains at most two species: Patagopteryx deferrariisi, and Alamitornis minutus.
References
Patagopterygiformes Wikipedia(Text) CC BY-SA