P

Padian, Kevin 1981. Komodo dragons fit Triassic trackways. Zoonooz, San Diego, vol. 54, no. 12.

Padina, Kevin & Olsen, Paul E. 1984. Footprints of the Komodo monitor and the trackways of fossil reptiles. Copeia, 3: 662 - 671.

Padian, Kevin & Olsen, P. E. 1984. The fossil trackway Pteraichnus: Not pterosaurian, but crocodilian. Journal of Paleontology, 58: 178 - 184.

Peabody, Frank E. 1955. Taxonomy and the footprints of tetrapods. Journal of Paleontology, 29(5): 915-918.

Peabody, Frank E. 1956. Gilmore's split-toed footprint from the Grand Canyon Hermit Shale Formation. Plateau, Museum of Northern Arizona, Oct., 1956, 29(2).

Pemberton, S. George, Sarjeant, W.A.S. & Torrens, Hugh S. 1996. Footsteps before the flood: the first scientific reports of vertebrate footprints. Ichnos, 4: 321 - 324.

Perkins, Bob F. & Langston, Wann, JR. 1979. Lower Cretaceous shallow marine environments In the Glen Rose Formation: dinosaur tracks and plants.

Perkins, B. F. & Stewart, C. L. 1971. Dinosaur Valley State Park. In Perkins, B. F., (ed.), Trace Fossils: Soc. Eco. Paleontologist Mineralogists, Field trip guide.  Louisiana State Univ. Misc. Pub., 71-1: 56 - 59.

Peterson, W. 1924. Dinosaur tracks in the roofs of coal mines. Nat. Hist., 24: 388 - 391.

Pittman, J. G. 1989. Stratigraphy, lithology, depositional environment, and track type of dinosaur track-bearing beds of the Gulf Coastal Plain, pp. 135-153. In D. D. Gillette & M. G. Lockley, (Eds.) Dinosaur Tracks and Traces. Cambridge University Press. Cambridge, England; New York.

Pittman, J. G. & D. D. Gillette 1989. The Briar Site, a new sauropod dinasaur tracksite in Lower Cretaceous beds of Arkansas, USA, pp. 313-332. In D. D. Gillette & M. G. Lockley, (Eds.) Dinosaur Tracks and Traces. Cambridge University Press. Cambridge, England; New York.

Pittman, J. G. 1992. Stratigraphy and Vertebrate Ichnology of the Glen Rose Formation, Western Gulf Basin, USA. Ph. D. Thesis. University of Texas at Austin. 726pp.

Prince, Nancy K. 1983. Late Jurassic dinosaur trackways from SE Colorado. Univ. of Colo. At Denver, Geol. Dept. Mag. #2, Fall, 1983.