Brontornis
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Brontornis is an extinct genus of giant bird that inhabited Argentina during the Early to Middle Miocene. Its taxonomic position is highly controversial, with authors alternatively considering it to b
Brontornis burmeisteri femore sinistro
Brontornis burmeisteri tarsometatarso sinistro
Brontornis (red) compared to a human
Brontornis burmeisteri DB24
Gastornis
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Gastornis is an extinct genus of large, flightless birds that lived during the mid-Paleocene to mid-Eocene epochs of the Paleogene period. Most fossils have been found in Europe, and some species typi
Brontornis
…conclusions are valid, this would mean that there are three groups of giant basal anseriformes, in chronological order of divergence: the gastornithids (Gastornis and kin), Brontornis, and finally the mihirungs of Australia. However, other analyses have also argued that Brontornis exhibits thoracic vertebrae…
Gastornis, a large flightless bird from the Eocene of Wyoming
Lemoine's incorrect 1881 illustration of G. edwardsii (now G. parisiensis)
Life restoration of G. steini (now G. giganteus) with outdated, ratite-like plumage, 1917
Reconstructed G. geiselensis skeleton