A New Stem Parrot from the Green River Formation and the Complex Evolution of the Grasping Foot in Pan-Psittaciformes

D. T. Ksepka, and J. A. Clarke

2012

Article

Journal of Vertebrate Paleontology 32(2):395-406

Find it at:

http://dx.doi.org/10.1080/02724634.2012.641704

Taxa discussed in this work:

• Avolatavis
• Avolatavis tenens
• Panpsittaciformes

Taxonomy:

• Avolatavis belongs to Panpsittaciformes - Ksepka and Clarke (2012)
• Avolatavis tenens belongs to Avolatavis - Ksepka and Clarke (2012)