Trilobite zone
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- Re-Evaluation of the Stratigraphically Important Olenellid Trilobite Holmia Cf
- Rushton, AWA, Brück, PM, Molyneux, SG
- The Diverse Radiodont Fauna from the Marjum Formation of Utah, USA (Cambrian: Drumian)
- A Revised Correlation of the Cambrian Rocks in the British Isles
- Biogeographic and Biological Comparisons Between the Emu Bay Shale (Kangaroo Island, South Australia) and Other Cambrian Burgess Shale-Type Biotas
- Nature and Significance of Intraspecific Variation in the Early
- United States Department of the Interior Geological Survey Short Papers For
- Upper Cambrian-Lower Ordovician Notch Peak Formation in Western Utah
- SMALL SHELLY FOSSILS and CARBON ISOTOPES from the EARLY CAMBRIAN (STAGES 3–4) MURAL FORMATION of WESTERN LAURENTIA by CHRISTIAN B