The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs

D. C. Evans, R. K. Schott, D. W. Larson, C. M. Brown, and M. J. Ryan

2013

Article

Nature Communications 4:1828

Find it at:

http://dx.doi.org/10.1038/ncomms2749

Taxa discussed in this work:

• Acrotholus
• Acrotholus audeti

Taxonomy:

• Acrotholus audeti belongs to Acrotholus - Evans et al. (2013)
• Acrotholus belongs to Pachycephalosauridae - Evans et al. (2013)