Godfrey S. Nowlan

• Four billion years and counting
• Conodonts from Ordovician-Silurian boundary strata, Whittaker Formation, Mackenzie Mountains, Northwest Territories
• Late Ordovician conodonts from the Vauréal formation, Anticosti Island, Quebec
• Some Ordovician conodont faunules from the Miramichi Anticlinorium, New Brunswick
• Thermal maturation of Paleozoic strata in eastern Canada from conodont colour alteration index (CAI) data with implications for burial history, tectonic evolution, hotspot tracks, and mineral and hydrocarbon exploration