Thompson, Thomas Luther, 1938- Conodont zonation of lower Osagean rocks (Lower Mississippian) of southwestern Missouri, by Thomas L. Thompson. - Rolla, Mo., 1967. - 88 p. illus., map. 23 cm. Bibliography: p. 58-59. LCCN: gs 67000297 Subjects--Topical Terms: Conodonts.Paleontology--Missouri.Paleontology--Mississippian. LC Class. No.: QE131 / A25 no. 39 Dewey Class. No.: 562