A stem falconid bird from the Lower Eocene of Antarctica and the early southern radiation of the falcons

@article{Cenizo2015ASF,
  title={A stem falconid bird from the Lower Eocene of Antarctica and the early southern radiation of the falcons},
  author={Marcos Cenizo and Jorge Ignacio Noriega and Mar Reguero},
  journal={Journal of Ornithology},
  year={2015},
  volume={157},
  pages={885-894}
}
Antarctoboenus carlinii nov. gen. nov. sp. is a large-sized falconiform bird from the La Meseta Formation (Lower Eocene) at Seymour (Marambio) Island, West Antarctica. The holotypical tarsometatarsus was originally assigned to Falconidae and its affinities to Polyborinae were pointed out. Detailed osteological and comparative analyses of the Antarctic specimen allowed recognition of the new taxon as a member of stem group Falconidae, i.e. it is supposed to belong to the early radiation of the… 
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