Martin, W.A., 1977, Arizona's oldest fossils (1.2 b.y.+) [abs.]: Arizona Academy of Science, Journal, v. 12, 1977 Proceedings Supplement, p. 57-58. Authors Martin, W.A. Publication Date 1977 Citation Arizona Academy of Science, Journal, v. 12, 1977 Proceedings Supplement, p. 57-58. State AZ Province TR BR County MA GI Placenames Mazatzal Mts. Cave Creek area Keywords Paleontology Invertebrate Proterozoic More Keywords Paleontology, Invertebrate, Proterozoic, AzGeoBib RefNum 6458