The evolution of giant flightless birds and novel phylogenetic relationships for extinct fowl (Aves, Galloanseres)

@article{Worthy2017TheEO,
  title={The evolution of giant flightless birds and novel phylogenetic relationships for extinct fowl (Aves, Galloanseres)},
  author={Trevor H. Worthy and Federico Javier Degrange and Warren D. Handley and Michael S. Y. Lee},
  journal={Royal Society Open Science},
  year={2017},
  volume={4}
}
The extinct dromornithids, gastornithids and phorusrhacids are among the most spectacular birds to have ever lived, with some giants exceeding 500 kg. The affinities and evolution of these and other related extinct birds remain contentious, with previous phylogenetic analyses being affected by widespread convergence and limited taxon sampling. We address these problems using both parsimony and tip-dated Bayesian approaches on an expansive taxon set that includes all key extinct flightless and… 

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References

SHOWING 1-10 OF 154 REFERENCES

The Extinct Flightless Mihirungs (Aves, Dromornithidae): Cranial Anatomy, a New Species, and Assessment of Oligo-Miocene Lineage Diversity

TLDR
A well-preserved cranium from the middle Miocene Bullock Creek Local Fauna is described and morphological similarity of this cranial material suggests that the emusized B. tedfordi is a smaller precursor to and differs little from species of Ilbandornis.

Osteology Supports a Stem-Galliform Affinity for the Giant Extinct Flightless Bird Sylviornis neocaledoniae (Sylviornithidae, Galloanseres)

TLDR
Sylviornis neocaledoniae is found to be a stem galliform, distant from megapodiids, and the sister taxon to the extinct flightless Megavitiornis altirostris from Fiji, which is transferred to the family Sylviornithidae.

MORPHOLOGY, PHYLOGENETIC TAXONOMY, AND SYSTEMATICS OF ICHTHYORNIS AND APATORNIS (AVIALAE: ORNITHURAE)

TLDR
This analysis provided a case study in the application of phylogenetic nomenclature at the species level and evaluated the relationships among Mesozoic ornithurines including Ichthyornis dispar and the newly identified taxa.

A new Transantarctic relationship: morphological evidence for a Rheidae–Dromaiidae–Casuariidae clade (Aves, Palaeognathae, Ratitae)

TLDR
A novel pattern of diversification of ratites is presented, which indicates that Australia and South America remained in contact across Antarctica until the earliest Tertiary, and repeated patterns of area relationships agree with current knowledge on Gondwana break-up.

Systematic relationships of the palaeogene family Presbyornithidae (Aves: Anseriformes)

TLDR
The often suggested close relationship of anseriform and galliform birds is not confirmed by osteology, and the Anseriformes and the Phoenicopteridae form a monophyletic clade that is the sister to the remaining ciconiiform birds.

The unexpected survival of an ancient lineage of anseriform birds into the Neogene of Australia: the youngest record of Presbyornithidae

TLDR
The morphological similarity between species of Wilaru and the Eocene South American presbyornithid Telmabates antiquus supports the hypothesis of a Gondwanan radiation during the evolutionary history of the PresbyORNithidae and underscores the temporal continuance of Australia’s vertebrates.

Phylogenomics and Morphology of Extinct Paleognaths Reveal the Origin and Evolution of the Ratites

Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution

TLDR
It is suggested that convergence toward gigantism and flightlessness was facilitated by early Tertiary expansion into the diurnal herbivory niche after the extinction of the dinosaurs.

Morphology of the quadrate in the Eocene anseriform Presbyornis and extant galloanserine birds

TLDR
The quadrate's morphology is inconsistent with the currently accepted anseriform phylogeny that nests Presbyornis within the crown‐group as a close relative of the Anatidae and shares ancestral galloanserine characters with the Megapodiidae, the earliest branch of extant galliforms.

Phylogenetic interrelationships of living and extinct Tinamidae, volant palaeognathous birds from the New World

TLDR
Temporal calibration of the resultant phylogeny indicates that such a basal divergence had already taken place in the early Miocene, some 17 million years ago, and the placement of the fossil species within the open-area and the forest-dwelling tinamous is consistent with the palaeoenvironmental conditions inferred from the associated fauna.
...