Fossil that fills a critical gap in avian evolution

M. A. Norell, and J. A. Clarke

2001

Article

Nature 409:181-184

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Taxa discussed in this work:

• Apsaravis
• Apsaravis ukhaana
• Chauna torquata
• Crax pauxi
• Crypturellus undulatus
• Gallus gallus

Taxonomy:

• Gallus gallus belongs to Gallus - Linnaeus (1758)
• Crax pauxi belongs to Crax - Temminck (1813)
• Crypturellus undulatus belongs to Crypturellus - Temminck (1815)
• Chauna torquata belongs to Chauna - Oken (1816)
• Crax belongs to Aves - Norell and Clarke (2001)