Anatomy of the basal ornithuromorph bird Archaeorhynchus spathula from the Early Cretaceous of Liaoning, China

S. -A. Zhou, Z. -H. Zhou, and J. K. O'Connor

2013

Article

Journal of Vertebrate Paleontology 33(1):141-152

Find it at:

http://dx.doi.org/10.1080/02724634.2012.714431