McFeeters, B., Ryan, M. J., & Cullen, T. M. (2018). Positional Variation in Pedal Ungulas of North American Ornithomimids (Dinosauria, Theropoda): A Response to Brownstein (2017). Vertebrate Anatomy Morphology Palaeontology, 5. https://doi.org/10.18435/vamp29283