O'Gorman, E. & Hone, D. W. E. 2012. Body size distribution of the dinosaurs. PLOS ONE, 7: e51925.
55
Zheng, X. T., You, H. L., Xu, X. & Dong, Z. M. 2009. An Early Cretaceous heterodontosaurid dinosaur with filamentous integumentary structures. Nature, 458: 333–336.
