R

Rainforth, E.C. & Lockley, M.G. 1996. Tracks of diminutive dinosaurs and hopping mammals from the Jurassic of North and South America, pp. 265 - 269. In: Continental Jurassic Symposium Volume. Museum of Northern Arizona.

Rainforth, E.C. & Lockley, M.G. 1996. Tracking life in a Lower Jurassic desert: vertebrate tracks and other traces from the Navajo Sandstone, pp. 285 - 289. In: Continental Jurassic Symposium Volume. Museum of Northern Arizona.

Renaut, Robin W. & W.A.S. Sarjeant, 1991. Salt tracks - evidence for animal activities in saline mudflats and their paleolimnological implications. In Sedimentary and Paleolimnological Records of Saline Lakes. Conference Program and Abstracts. August 13-16, 1991, University of Saskatchewan, Saskatoon, Canada and National Hydrology Research Institute, Environment Canada. p. (37).

Reynolds, R. E. 1983. Dinosaur tracks in the Mescal Range, San Bernadino County, California. Utah Geol. and Min. Surv. Special Studies, 60: 46-48.

Riggs, E.S. 1904. Dinosaur Footprints from Arizona. The American Journal of Science, Fourth Series, Vol. CLXVII, pp. 423 - 424.

Rowley, R. & Parker, L. 1989. Dinosaur footprints from a coal mine in east-central Utah, pp. 353-359. In D. D. Gillette & M. G. Lockley, (Eds.) Dinosaur Tracks and Traces. Cambridge University Press. Cambridge, England; New York.

Russell, D. 1981. Estimated Speed of a giant bipedal dinosaur: reply.  Nature, 191: 274.

Russell, D.A. and Beland, P. 1976. Running Dinosaurs. Nature, 264(5585): 486.