Elliott, D.K., and Martin, D.L., 1987, A new trace fossil from the Cambrian Bright Angel Shale, Grand Canyon, Arizona: Journal of Paleontology, v. 61, p. 641-648. Authors Elliott, D.K., and Martin, D.L. Publication Date 1987 Citation Journal of Paleontology, v. 61, p. 641-648. State AZ Province CP County CN Keywords Trace Fossil More Keywords Trace Fossil, Bright Angel Shale - Tonto Group - Cambrian, AzGeoBib RefNum 2991