Cymaprimadontidae: a new family of insectivores / Clark, John, 1909-1967. text [Chicago] : Field Museum of Natural History, 1968. eng p. 241-254 : 24 cm. "March 22, 1968." Includes bibliographical references (p. 254). Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Museum (1945-1966) and Field Museum of Natural History (1966-). Cymaprimadontidae. Paleontology -- Oligocene. Paleontology -- South Dakota.