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A new enantiornithine bird from the Late Cretaceous of the Gobi Desert

Record type: Article

We report on a new species of enantiornithine bird from the Late Cretaceous of the Mongolian Gobi Desert, which adds to the meager record of birds from the latest part of the Mesozoic in this region. The exceptional, three-dimensional bones of the new fossil increase the known anatomical diversity of enantiornithine birds, providing information about previously unreported morphologies such as a pneumatised furcula. Several synapomorphies nest the new bird within an enantiornithine clade of proficient fliers, but the anatomy and proportions of its flight apparatus imply significant aerodynamic restrictions. The combination of phylogeny and our functional interpretation suggests that this new fossil bird is a representative of a flightless lineage. This discovery thus provides the first evidence of a trend towards more limited flying capabilities among Enantiornithes, a group of Cretaceous birds otherwise believed to be represented by competent fliers

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Citation

Chiappe, Luis M., Suzuki, Shigeru, Dyke, Gareth J., Watabe, Mahito, Tsogtbaatar, K. and Barsbold, Rinchen (2007) A new enantiornithine bird from the Late Cretaceous of the Gobi Desert Journal of Systematic Palaeontology, 5, (2), pp. 193-2008. (doi:10.1017/S1477201906001969).

More information

e-pub ahead of print date: 7 December 2006
Published date: 2007
Keywords: mongolia, avian, mesozoic, evolution, flightless, anatomy
Organisations: Ocean Biochemistry & Ecosystems

Identifiers

Local EPrints ID: 205217
URI: http://eprints.soton.ac.uk/id/eprint/205217
ISSN: 1477-2019
PURE UUID: 1d8a68f6-1949-4ac7-aad9-11f1a30d9777

Catalogue record

Date deposited: 07 Dec 2011 12:38
Last modified: 18 Jul 2017 11:05

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Contributors

Author: Luis M. Chiappe
Author: Shigeru Suzuki
Author: Gareth J. Dyke
Author: Mahito Watabe
Author: K. Tsogtbaatar
Author: Rinchen Barsbold

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