Order Rheiformes (bird)
PaleoDB taxon number: 39279
Parent taxon: Palaeognathae according to J. F. Clements et al. 2017
Sister taxa: Ambiortiformes, Crypturi, Eremopezidae, Lithornidae, Medioolithidae, Palaeocursornithiformes, Palaeotididae, Patagopterygiformes, Ratitae, Remiornithiformes
Subtaxa: Rheidae
Ecology: ground dwelling carnivore