Project 2101: R. V. Hill, M. D. D'Emic, G. S. Bever, M. A. Norell. 2015. A complex hyobranchial apparatus in a Cretaceous dinosaur and the antiquity of avian paraglossalia. Zoological Journal of the Linnean Society. 175 (4):892-909.
This project has 2 specimens.