Stem group galliform and stem group psittaciform birds (Aves, Galliformes, Paraortygidae, and Psittaciformes, family incertae sedis) from the Middle Eocene of Namibia

@article{MourerChauvir2014StemGG,
  title={Stem group galliform and stem group psittaciform birds (Aves, Galliformes, Paraortygidae, and Psittaciformes, family incertae sedis) from the Middle Eocene of Namibia},
  author={C{\'e}cile Mourer-Chauvir{\'e} and Martin Pickford and Brigitte Senut},
  journal={Journal of Ornithology},
  year={2014},
  volume={156},
  pages={275-286}
}
AbstractThe Middle Eocene locality of Eocliff, Namibia, has yielded a rich vertebrate fauna, including mainly mammals, but also a few bird remains. A coracoid and a scapula are ascribed to a new genus and a new species of galliform in the extinct family Paraortygidae. This family was so far known only from the Late Eocene and Early Oligocene of the northern hemisphere. A distal part of tarsometatarsus is ascribed to a new genus and a new species of psittaciform. This tarsometatarsus shows a… 

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Tufamyidae, a new family of hystricognath rodents from the Palaeogene and Neogene of the Sperrgebiet, Namibia

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New remains of the very small cuckoo,Chambicuculus pusillus (Aves, Cuculiformes, Cuculidae) from the late Early or early Middle Eocene of Djebel Chambi, Tunisia

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References

SHOWING 1-10 OF 39 REFERENCES

The first Palaeogene galliform from Africa

An almost complete tarsometatarsus from the middle Eocene locality of Silica South, Sperrgebiet, Namibia, is attributed to the order Galliformes, the earliest record of the order in Africa, and it is clear that it represents a new genus and species of galliform bird, which is named Namaortyx sperragbietensis.

New specimens of the early Eocene stem group galliform Paraortygoides (Gallinuloididae), with comments on the evolution of a crop in the stem lineage of Galliformes

  • G. Mayr
  • Biology
    Journal of Ornithology
  • 2005
Two new specimens of the fossil stem group galliform Paraortygoides messelensis Mayr 2000 (Gallinuloididae) are described from the Middle Eocene of Messel in Germany, including a complete skeleton in

A new basal galliform bird from the Middle Eocene of Messel (Hessen, Germany)

The cup-like cotyla scapularis ofParaortygoides messelensis shows that the Gallinuloididae branched off very early in the evolution of the Galliformes.

Stem Parrots (Aves, Halcyornithidae) from the Green River Formation and a Combined Phylogeny of Pan-Psittaciformes

Fossil evidence is consistent with a more recent origin of crown clade Psittaciformes than predicted from divergence dating analyses, and supports environmental shifts and dispersal as key drivers in parrot biogeography.

Galliformes, Upupiformes, Trogoniformes, and other avian remains (?Phaethontiformes and ?Threskiornithidae) from the Rupelian stratotype in Belgium, with comments on the identity of “Anas” benedeni Sharpe, 1899

Among the fossils is a partial sternum, which shows that Paraortyx lacks a spina interna, thus indicating that ParAortygidae were not yet adapted to the regular processing of coarse and dry food.

Quercypsitta-Like Birds from the Early Eocene of India (Aves, ?Psittaciformes)

It is concluded that, at least concerning the arboreal taxa, the early Eocene avifauna of India shows some concordances with the much better known one from the late Eocene of Europe, and is assigned to a new family, Vastanavidae.

A small galliform and a small cuculiform from the Eocene of Tunisia

A distal tarsometatarsus and a fragment of carpometacarpus of a small galliform, the size of a recent quail, have been found in the late Early or early Middle Eocene of Chambi, in Tunisia, and is described as a new genus and species.

On the osteology and phylogenetic affinities of the Pseudasturidae–Lower Eocene stem-group representatives of parrots (Aves, Psittaciformes)

Derived osteological characters which are visible in newly recognized specimens from the Lower Eocene London Clay of England most convincingly support classification of the Pseudasturidae into the Psittaciformes (parrots).

The Fossil Galliform Bird Paraortygoides from the Lower Eocene of the United Kingdom

The results of a preliminary phylogenetic analysis suggest that Paraortygoides is basal within Galliformes (as already proposed by Mayr [2000]); monophyly of the order is supported with Megapodiidae as the basal sister taxon with respect to the Cracidae and Phasianidae.

A new family of Eocene zygodactyl birds

The Pseudasturidae, a new family of small Lower to Middle Eocene zygodactyl birds is described in the Middle Eolithic of Grube Messel, near Darmstadt (Hessen, Germany), and the presence of large processus supraorbitales, which closely resemble the corresponding structures found in falconiform birds is characteristic.