, 2011. Linguliform Brachiopods from the Terminal Cambrian and Lowest Ordovician of the Oaxaquia Microcontinent (Southern Mexico). Journal of Paleontology 85, 122-155. doi:10.1666/10-074.1
, 2011. The Cambrian (Sunwaptan, Furongian) Agnostoid Arthropod Lotagnostus Whitehouse, 1936, in Laurentian and Avalonian North America: Systematics and Biostratigraphic Significance. Bulletin of Geosciences 86, 569-594.
, 2011. Lower Cambrian (Branchian) Eodiscoid Trilobites from the Lower Brigus Formation, Avalon Peninsula, Newfoundland, Canada. Memoirs of the Association of Australasian Palaeontologists 42, 209-262.
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, 2010. First Evidence for Cambrian Glaciation Provided by Sections in Avalonian New Brunswick and Ireland—Additional Data for Avalon-Gondwana Separation by the Earliest Palaeozoic. Palaeogeography, Palaeoclimatology, Palaeoecology 285, 174-185. doi:10.1016/j.palaeo.2009.11.009
, 2011. The Lawsonian Stage - the Eoconodontus Notchpeakensis FAD and HERB Carbon Isotope Excursion Define a Globally Correlatable Terminal Cambrian Stage. Bulletin of Geosciences 86, 621-640. doi:10.3140/bull.geosci.1251
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, 2011. No Late Cambrian Shoreline Ice in Laurentia. GSA Today 21, e19. doi:10.1130/G113C.1
, 2011. Tremadocian (Lower Ordovician) Biotas and Sea-level Changes on the Avalon Microcontinent. Journal of Paleontology 85, 680-696. doi:10.1666/10-076.1