Combined phylogenetic analysis of a new North American fossil species confirms widespread Eocene distribution for stem rollers (Aves, Coracii)

@article{Clarke2014CombinedPA,
  title={Combined phylogenetic analysis of a new North American fossil species confirms widespread Eocene distribution for stem rollers (Aves, Coracii)},
  author={Julia A. Clarke and Daniel T. Ksepka and N Adam Smith and Mark A. Norell},
  journal={Zoological Journal of the Linnean Society},
  year={2014},
  volume={172},
  pages={226-229}
}
We report a nearly complete skeleton of a new species of stem roller (Aves, Coracii) from the early Eocene Green River Formation of North America. The new species is most closely related to two species-depauperate lineages, Coraciidae (rollers) and Brachypteraciidae (ground rollers), that form a monophyletic crown clade (Coracioidea) with an exclusively Old World extant distribution. Phylogenetic analysis utilizing a matrix of 133 morphological characters and sequence data from three genes (RAG… Expand

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