, 1982. Biostratigraphy of the Cambrian-Ordovician Transition in the Bear River Range, Utah and Idaho, Western United States, in: Bassett, M., Dean, W. (Eds.), The CambrianOrdovician Boundary: Sections, Correlations, Fossil Distributions, and CorrelationsNational Museum of Wales. pp. 131-139.
, 1981. The Cambrian-Ordovician Transition in the Bear River Range, Utah and Idaho: A Preliminary Evaluation, in: Taylor, M. (Ed.), Short Papers for the Second International Symposium on the Cambrian System, 1981U.S. Geological Survey. pp. 222-227.
, 1988. Trace Fossils, Small Shelly Fossils, and the PrecambrianCambrian Boundary—A Pre-meeting Viewpoint, in: Landing, E., Narbonne, G., Myrow, P. (Eds.), Trace Fossils, Small Shelly Fossils, and the Precambrian-Cambrian BoundaryThe University of the State of New York, Albany, North Carolina. pp. 1-3.
, 1995. MOROCCO ’95-The Lower-Middle Cambrian Standard of Western Gondwana, in: Geyer, G., Landing, E. (Eds.), MOROCCO ’95-The Lower-Middle Cambrian Standard of Western GondwanaBeringeria. pp. 5, 6.
, 1995. MOROCCO ’95-The Lower-Middle Cambrian Standard of Western Gondwana, in: Geyer, G., Landing, E. (Eds.), MOROCCO ’95-The Lower-Middle Cambrian Standard of Western GondwanaBeringeria. pp. 5, 6.
, 1995. First African Lapworthellid: Lapworthella vandali n. sp. From the Lower Middle Cambrian Boundary Interval of Morocco, in: Geyer, G., Landing, E. (Eds.), MOROCCO ’95-The Lower-Middle Cambrian Cambrian Standard of Western GondwanaBeringeria. pp. 243-253.
, 1995. First African Lapworthellid: Lapworthella vandali n. sp. From the Lower Middle Cambrian Boundary Interval of Morocco, in: Geyer, G., Landing, E. (Eds.), MOROCCO ’95-The Lower-Middle Cambrian Cambrian Standard of Western GondwanaBeringeria. pp. 243-253.
, 1995. Faunas and Depositional Environments of the Cambrian of the Moroccan Atlas Regions, in: Geyer, G., Landing, E. (Eds.), Morocco ’95-The Lower-Middle Cambrian Standard of Western GondwanaBeringeria. pp. 47-120.
, 1995. The Cambrian of the Moroccan Atlas Regions, in: Geyer, G., Landing, E. (Eds.), Morocco ’95-The Lower-Middle Cambrian Standard of Western GondwanaBeringia. pp. 7-46.
, 1995. Arthropod Traces in the Middle Cambrian of Morocco, in: Geyer, G., Landing, E. (Eds.), Morocco ’95-The Lower-Middle Cambrian Standard of Western GondwanaBeringeria. pp. 254.
