Nautiloid Cephalopods of the Pennsylvanian System in Mid-Continent Region (GSB-9)

Miller, A. K., Dunbar, C. O., Condra, G. E., 1933. Nautiloid Cephalopods of the Pennsylvanian System in Mid-Continent Region (GSB-9): 293 pp., size 6" x 9". Description: This report is the third in a series of monographs on the various groups of fossil invertebrates occurring in the Pennsylvanian system of Nebraska and adjacent areas. The first examined the fusulinids, the second the brachiopods, and others present the bryozoa, ammonoids, gastropods, and other classes of invertebrates. In these volumes the treatment is mainly morphologic and taxonomic; its aim being to establish the biologic units of the faunas. A final volume presents in detail the faunal distribution, both geographic and stratigraphic.